Merge branch 'main' into copilot/fix-messageindex-cache-properties

This commit is contained in:
Chris
2026-03-17 13:56:32 -07:00
committed by GitHub
Unverified
140 changed files with 13156 additions and 696 deletions
@@ -2,46 +2,30 @@
using System.Collections.Concurrent;
using System.Diagnostics;
using System.Reflection;
using System.Text;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
namespace Microsoft.Agents.AI.DurableTask.IntegrationTests;
/// <summary>
/// Integration tests for validating the durable agent console app samples
/// located in samples/Durable/Agents/ConsoleApps.
/// </summary>
[Collection("Samples")]
[Trait("Category", "SampleValidation")]
public sealed class ConsoleAppSamplesValidation(ITestOutputHelper outputHelper) : IAsyncLifetime
public sealed class ConsoleAppSamplesValidation(ITestOutputHelper outputHelper) : SamplesValidationBase(outputHelper)
{
private const string DtsPort = "8080";
private const string RedisPort = "6379";
private static readonly string s_dotnetTargetFramework = GetTargetFramework();
private static readonly IConfiguration s_configuration =
new ConfigurationBuilder()
.AddUserSecrets(Assembly.GetExecutingAssembly())
.AddEnvironmentVariables()
.Build();
private static bool s_infrastructureStarted;
private static readonly string s_samplesPath = Path.GetFullPath(
Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "..", "..", "..", "..", "..", "samples", "04-hosting", "DurableAgents", "ConsoleApps"));
private readonly ITestOutputHelper _outputHelper = outputHelper;
/// <inheritdoc />
protected override string SamplesPath => s_samplesPath;
async ValueTask IAsyncLifetime.InitializeAsync()
{
if (!s_infrastructureStarted)
{
await this.StartSharedInfrastructureAsync();
s_infrastructureStarted = true;
}
}
/// <inheritdoc />
protected override bool RequiresRedis => true;
async ValueTask IAsyncDisposable.DisposeAsync()
/// <inheritdoc />
protected override void ConfigureAdditionalEnvironmentVariables(ProcessStartInfo startInfo, Action<string, string> setEnvVar)
{
// Nothing to clean up
await Task.CompletedTask;
setEnvVar("REDIS_CONNECTION_STRING", $"localhost:{RedisPort}");
}
[Fact]
@@ -474,7 +458,7 @@ public sealed class ConsoleAppSamplesValidation(ITestOutputHelper outputHelper)
// (streams can complete very quickly, so we need to interrupt early)
if (foundConversationStart && !interrupted && contentLinesBeforeInterrupt >= 2)
{
this._outputHelper.WriteLine($"Interrupting stream after {contentLinesBeforeInterrupt} content lines");
this.OutputHelper.WriteLine($"Interrupting stream after {contentLinesBeforeInterrupt} content lines");
interrupted = true;
interruptTime = DateTime.Now;
@@ -492,7 +476,7 @@ public sealed class ConsoleAppSamplesValidation(ITestOutputHelper outputHelper)
foundLastCursor = true;
// Send Enter again to resume
this._outputHelper.WriteLine("Resuming stream from last cursor");
this.OutputHelper.WriteLine("Resuming stream from last cursor");
await this.WriteInputAsync(process, string.Empty, testTimeoutCts.Token);
resumed = true;
}
@@ -520,7 +504,7 @@ public sealed class ConsoleAppSamplesValidation(ITestOutputHelper outputHelper)
if (timeSinceInterrupt < TimeSpan.FromSeconds(2))
{
// Continue reading for a bit more to catch the cancellation message
this._outputHelper.WriteLine("Stream completed naturally, but waiting for Last cursor message after interrupt...");
this.OutputHelper.WriteLine("Stream completed naturally, but waiting for Last cursor message after interrupt...");
continue;
}
}
@@ -535,7 +519,7 @@ public sealed class ConsoleAppSamplesValidation(ITestOutputHelper outputHelper)
// Stop once we've verified the interrupt/resume flow works
if (resumed && foundResumeMessage && contentLinesAfterResume >= 5)
{
this._outputHelper.WriteLine($"Successfully verified interrupt/resume: {contentLinesBeforeInterrupt} lines before, {contentLinesAfterResume} lines after");
this.OutputHelper.WriteLine($"Successfully verified interrupt/resume: {contentLinesBeforeInterrupt} lines before, {contentLinesAfterResume} lines after");
break;
}
}
@@ -546,7 +530,7 @@ public sealed class ConsoleAppSamplesValidation(ITestOutputHelper outputHelper)
TimeSpan timeSinceInterrupt = DateTime.Now - interruptTime.Value;
if (timeSinceInterrupt < TimeSpan.FromSeconds(3))
{
this._outputHelper.WriteLine("Waiting for Last cursor message after interrupt...");
this.OutputHelper.WriteLine("Waiting for Last cursor message after interrupt...");
using CancellationTokenSource waitCts = new(TimeSpan.FromSeconds(2));
try
{
@@ -557,7 +541,7 @@ public sealed class ConsoleAppSamplesValidation(ITestOutputHelper outputHelper)
foundLastCursor = true;
if (!resumed)
{
this._outputHelper.WriteLine("Resuming stream from last cursor");
this.OutputHelper.WriteLine("Resuming stream from last cursor");
await this.WriteInputAsync(process, string.Empty, testTimeoutCts.Token);
resumed = true;
}
@@ -575,7 +559,7 @@ public sealed class ConsoleAppSamplesValidation(ITestOutputHelper outputHelper)
catch (OperationCanceledException)
{
// Timeout - check if we got enough to verify the flow
this._outputHelper.WriteLine($"Read timeout reached. Interrupted: {interrupted}, Resumed: {resumed}, Content before: {contentLinesBeforeInterrupt}, Content after: {contentLinesAfterResume}");
this.OutputHelper.WriteLine($"Read timeout reached. Interrupted: {interrupted}, Resumed: {resumed}, Content before: {contentLinesBeforeInterrupt}, Content after: {contentLinesAfterResume}");
}
Assert.True(foundConversationStart, "Conversation start message not found.");
@@ -585,7 +569,7 @@ public sealed class ConsoleAppSamplesValidation(ITestOutputHelper outputHelper)
// but we should still verify we got the conversation started
if (!interrupted)
{
this._outputHelper.WriteLine("WARNING: Stream completed before interrupt could be sent. This may indicate the stream is too fast.");
this.OutputHelper.WriteLine("WARNING: Stream completed before interrupt could be sent. This may indicate the stream is too fast.");
}
Assert.True(interrupted, "Stream was not interrupted (may have completed too quickly).");
@@ -595,400 +579,4 @@ public sealed class ConsoleAppSamplesValidation(ITestOutputHelper outputHelper)
Assert.True(contentLinesAfterResume > 0, "No content received after resume (expected to continue from cursor, not restart).");
});
}
private static string GetTargetFramework()
{
string filePath = new Uri(typeof(ConsoleAppSamplesValidation).Assembly.Location).LocalPath;
string directory = Path.GetDirectoryName(filePath)!;
string tfm = Path.GetFileName(directory);
if (tfm.StartsWith("net", StringComparison.OrdinalIgnoreCase))
{
return tfm;
}
throw new InvalidOperationException($"Unable to find target framework in path: {filePath}");
}
private async Task StartSharedInfrastructureAsync()
{
this._outputHelper.WriteLine("Starting shared infrastructure for console app samples...");
// Start DTS emulator
await this.StartDtsEmulatorAsync();
// Start Redis
await this.StartRedisAsync();
// Wait for infrastructure to be ready
await Task.Delay(TimeSpan.FromSeconds(5));
}
private async Task StartDtsEmulatorAsync()
{
// Start DTS emulator if it's not already running
if (!await this.IsDtsEmulatorRunningAsync())
{
this._outputHelper.WriteLine("Starting DTS emulator...");
await this.RunCommandAsync("docker", [
"run", "-d",
"--name", "dts-emulator",
"-p", $"{DtsPort}:8080",
"-e", "DTS_USE_DYNAMIC_TASK_HUBS=true",
"mcr.microsoft.com/dts/dts-emulator:latest"
]);
}
}
private async Task StartRedisAsync()
{
if (!await this.IsRedisRunningAsync())
{
this._outputHelper.WriteLine("Starting Redis...");
await this.RunCommandAsync("docker", [
"run", "-d",
"--name", "redis",
"-p", $"{RedisPort}:6379",
"redis:latest"
]);
}
}
private async Task<bool> IsDtsEmulatorRunningAsync()
{
this._outputHelper.WriteLine($"Checking if DTS emulator is running at http://localhost:{DtsPort}/healthz...");
// DTS emulator doesn't support HTTP/1.1, so we need to use HTTP/2.0
using HttpClient http2Client = new()
{
DefaultRequestVersion = new Version(2, 0),
DefaultVersionPolicy = HttpVersionPolicy.RequestVersionExact
};
try
{
using CancellationTokenSource timeoutCts = new(TimeSpan.FromSeconds(30));
using HttpResponseMessage response = await http2Client.GetAsync(new Uri($"http://localhost:{DtsPort}/healthz"), timeoutCts.Token);
if (response.Content.Headers.ContentLength > 0)
{
string content = await response.Content.ReadAsStringAsync(timeoutCts.Token);
this._outputHelper.WriteLine($"DTS emulator health check response: {content}");
}
if (response.IsSuccessStatusCode)
{
this._outputHelper.WriteLine("DTS emulator is running");
return true;
}
this._outputHelper.WriteLine($"DTS emulator is not running. Status code: {response.StatusCode}");
return false;
}
catch (HttpRequestException ex)
{
this._outputHelper.WriteLine($"DTS emulator is not running: {ex.Message}");
return false;
}
}
private async Task<bool> IsRedisRunningAsync()
{
this._outputHelper.WriteLine($"Checking if Redis is running at localhost:{RedisPort}...");
try
{
using CancellationTokenSource timeoutCts = new(TimeSpan.FromSeconds(30));
ProcessStartInfo startInfo = new()
{
FileName = "docker",
Arguments = "exec redis redis-cli ping",
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true
};
using Process process = new() { StartInfo = startInfo };
if (!process.Start())
{
this._outputHelper.WriteLine("Failed to start docker exec command");
return false;
}
string output = await process.StandardOutput.ReadToEndAsync(timeoutCts.Token);
await process.WaitForExitAsync(timeoutCts.Token);
if (process.ExitCode == 0 && output.Contains("PONG", StringComparison.OrdinalIgnoreCase))
{
this._outputHelper.WriteLine("Redis is running");
return true;
}
this._outputHelper.WriteLine($"Redis is not running. Exit code: {process.ExitCode}, Output: {output}");
return false;
}
catch (Exception ex)
{
this._outputHelper.WriteLine($"Redis is not running: {ex.Message}");
return false;
}
}
private async Task RunSampleTestAsync(string samplePath, Func<Process, BlockingCollection<OutputLog>, Task> testAction)
{
// Build the sample project first (it may not have been built as part of the solution)
await this.BuildSampleAsync(samplePath);
// Generate a unique TaskHub name for this sample test to prevent cross-test interference
// when multiple tests run together and share the same DTS emulator.
string uniqueTaskHubName = $"sample-{Guid.NewGuid().ToString("N").Substring(0, 6)}";
// Start the console app
// Use BlockingCollection to safely read logs asynchronously captured from the process
using BlockingCollection<OutputLog> logsContainer = [];
using Process appProcess = this.StartConsoleApp(samplePath, logsContainer, uniqueTaskHubName);
try
{
// Run the test
await testAction(appProcess, logsContainer);
}
catch (OperationCanceledException e)
{
throw new TimeoutException("Core test logic timed out!", e);
}
finally
{
logsContainer.CompleteAdding();
await this.StopProcessAsync(appProcess);
}
}
private sealed record OutputLog(DateTime Timestamp, LogLevel Level, string Message);
/// <summary>
/// Writes a line to the process's stdin and flushes it.
/// Logs the input being sent for debugging purposes.
/// </summary>
private async Task WriteInputAsync(Process process, string input, CancellationToken cancellationToken)
{
this._outputHelper.WriteLine($"{DateTime.Now:HH:mm:ss.fff} [{process.ProcessName}(in)]: {input}");
await process.StandardInput.WriteLineAsync(input);
await process.StandardInput.FlushAsync(cancellationToken);
}
/// <summary>
/// Reads a line from the logs queue, filtering for Information level logs (stdout).
/// Returns null if the collection is completed and empty, or if cancellation is requested.
/// </summary>
private string? ReadLogLine(BlockingCollection<OutputLog> logs, CancellationToken cancellationToken)
{
try
{
while (!cancellationToken.IsCancellationRequested)
{
// Block until a log entry is available or cancellation is requested
// Take will throw OperationCanceledException if cancelled, or InvalidOperationException if collection is completed
OutputLog log = logs.Take(cancellationToken);
// Check for unhandled exceptions in the logs, which are never expected (but can happen)
if (log.Message.Contains("Unhandled exception"))
{
Assert.Fail("Console app encountered an unhandled exception.");
}
// Only return Information level logs (stdout), skip Error logs (stderr)
if (log.Level == LogLevel.Information)
{
return log.Message;
}
}
}
catch (OperationCanceledException)
{
// Cancellation requested
return null;
}
catch (InvalidOperationException)
{
// Collection is completed and empty
return null;
}
return null;
}
private async Task BuildSampleAsync(string samplePath)
{
this._outputHelper.WriteLine($"Building sample at {samplePath}...");
ProcessStartInfo buildInfo = new()
{
FileName = "dotnet",
Arguments = $"build --framework {s_dotnetTargetFramework}",
WorkingDirectory = samplePath,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
};
using Process buildProcess = new() { StartInfo = buildInfo };
buildProcess.Start();
// Read both streams asynchronously to avoid deadlocks from filled pipe buffers
Task<string> stdoutTask = buildProcess.StandardOutput.ReadToEndAsync();
Task<string> stderrTask = buildProcess.StandardError.ReadToEndAsync();
await buildProcess.WaitForExitAsync();
string stderr = await stderrTask;
if (buildProcess.ExitCode != 0)
{
string stdout = await stdoutTask;
throw new InvalidOperationException($"Failed to build sample at {samplePath}:\n{stdout}\n{stderr}");
}
this._outputHelper.WriteLine($"Build completed for {samplePath}.");
}
private Process StartConsoleApp(string samplePath, BlockingCollection<OutputLog> logs, string taskHubName)
{
ProcessStartInfo startInfo = new()
{
FileName = "dotnet",
Arguments = $"run --no-build --framework {s_dotnetTargetFramework}",
WorkingDirectory = samplePath,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
RedirectStandardInput = true,
};
string openAiEndpoint = s_configuration["AZURE_OPENAI_ENDPOINT"] ??
throw new InvalidOperationException("The required AZURE_OPENAI_ENDPOINT env variable is not set.");
string openAiDeployment = s_configuration["AZURE_OPENAI_DEPLOYMENT_NAME"] ??
throw new InvalidOperationException("The required AZURE_OPENAI_DEPLOYMENT_NAME env variable is not set.");
void SetAndLogEnvironmentVariable(string key, string value)
{
this._outputHelper.WriteLine($"Setting environment variable for {startInfo.FileName} sub-process: {key}={value}");
startInfo.EnvironmentVariables[key] = value;
}
// Set required environment variables for the app
SetAndLogEnvironmentVariable("AZURE_OPENAI_ENDPOINT", openAiEndpoint);
SetAndLogEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME", openAiDeployment);
SetAndLogEnvironmentVariable("DURABLE_TASK_SCHEDULER_CONNECTION_STRING",
$"Endpoint=http://localhost:{DtsPort};TaskHub={taskHubName};Authentication=None");
SetAndLogEnvironmentVariable("REDIS_CONNECTION_STRING", $"localhost:{RedisPort}");
Process process = new() { StartInfo = startInfo };
// Capture the output and error streams asynchronously
// These events fire asynchronously, so we add to the blocking collection which is thread-safe
process.ErrorDataReceived += (sender, e) =>
{
if (e.Data != null)
{
string logMessage = $"{DateTime.Now:HH:mm:ss.fff} [{startInfo.FileName}(err)]: {e.Data}";
this._outputHelper.WriteLine(logMessage);
Debug.WriteLine(logMessage);
try
{
logs.Add(new OutputLog(DateTime.Now, LogLevel.Error, e.Data));
}
catch (InvalidOperationException)
{
// Collection is completed, ignore
}
}
};
process.OutputDataReceived += (sender, e) =>
{
if (e.Data != null)
{
string logMessage = $"{DateTime.Now:HH:mm:ss.fff} [{startInfo.FileName}(out)]: {e.Data}";
this._outputHelper.WriteLine(logMessage);
Debug.WriteLine(logMessage);
try
{
logs.Add(new OutputLog(DateTime.Now, LogLevel.Information, e.Data));
}
catch (InvalidOperationException)
{
// Collection is completed, ignore
}
}
};
if (!process.Start())
{
throw new InvalidOperationException("Failed to start the console app");
}
process.BeginErrorReadLine();
process.BeginOutputReadLine();
return process;
}
private async Task RunCommandAsync(string command, string[] args)
{
await this.RunCommandAsync(command, workingDirectory: null, args: args);
}
private async Task RunCommandAsync(string command, string? workingDirectory, string[] args)
{
ProcessStartInfo startInfo = new()
{
FileName = command,
Arguments = string.Join(" ", args),
WorkingDirectory = workingDirectory,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true
};
this._outputHelper.WriteLine($"Running command: {command} {string.Join(" ", args)}");
using Process process = new() { StartInfo = startInfo };
process.ErrorDataReceived += (sender, e) => this._outputHelper.WriteLine($"[{command}(err)]: {e.Data}");
process.OutputDataReceived += (sender, e) => this._outputHelper.WriteLine($"[{command}(out)]: {e.Data}");
if (!process.Start())
{
throw new InvalidOperationException("Failed to start the command");
}
process.BeginErrorReadLine();
process.BeginOutputReadLine();
using CancellationTokenSource cancellationTokenSource = new(TimeSpan.FromMinutes(1));
await process.WaitForExitAsync(cancellationTokenSource.Token);
this._outputHelper.WriteLine($"Command completed with exit code: {process.ExitCode}");
}
private async Task StopProcessAsync(Process process)
{
try
{
if (!process.HasExited)
{
this._outputHelper.WriteLine($"{DateTime.Now:HH:mm:ss.fff} Killing process {process.ProcessName}#{process.Id}");
process.Kill(entireProcessTree: true);
using CancellationTokenSource timeoutCts = new(TimeSpan.FromSeconds(10));
await process.WaitForExitAsync(timeoutCts.Token);
this._outputHelper.WriteLine($"{DateTime.Now:HH:mm:ss.fff} Process exited: {process.Id}");
}
}
catch (Exception ex)
{
this._outputHelper.WriteLine($"{DateTime.Now:HH:mm:ss.fff} Failed to stop process: {ex.Message}");
}
}
private CancellationTokenSource CreateTestTimeoutCts(TimeSpan? timeout = null)
{
TimeSpan testTimeout = Debugger.IsAttached ? TimeSpan.FromMinutes(5) : timeout ?? TimeSpan.FromSeconds(60);
return new CancellationTokenSource(testTimeout);
}
}
@@ -0,0 +1,451 @@
// Copyright (c) Microsoft. All rights reserved.
using System.Collections.Concurrent;
using System.Diagnostics;
using System.Reflection;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
namespace Microsoft.Agents.AI.DurableTask.IntegrationTests;
/// <summary>
/// Base class for sample validation integration tests providing shared infrastructure
/// setup and utility methods for running console app samples.
/// </summary>
public abstract class SamplesValidationBase : IAsyncLifetime
{
protected const string DtsPort = "8080";
protected const string RedisPort = "6379";
protected static readonly string DotnetTargetFramework = GetTargetFramework();
protected static readonly IConfiguration Configuration =
new ConfigurationBuilder()
.AddUserSecrets(Assembly.GetExecutingAssembly())
.AddEnvironmentVariables()
.Build();
// Semaphores for thread-safe initialization of shared infrastructure.
// xUnit may run tests in parallel, so we need to ensure that DTS emulator and Redis
// are started only once across all test instances. Using SemaphoreSlim allows async-safe
// locking, and the double-check pattern (check flag, acquire lock, check flag again)
// minimizes lock contention after initialization is complete.
private static readonly SemaphoreSlim s_dtsInitLock = new(1, 1);
private static readonly SemaphoreSlim s_redisInitLock = new(1, 1);
private static bool s_dtsInfrastructureStarted;
private static bool s_redisInfrastructureStarted;
protected SamplesValidationBase(ITestOutputHelper outputHelper)
{
this.OutputHelper = outputHelper;
}
/// <summary>
/// Gets the test output helper for logging.
/// </summary>
protected ITestOutputHelper OutputHelper { get; }
/// <summary>
/// Gets the base path to the samples directory for this test class.
/// </summary>
protected abstract string SamplesPath { get; }
/// <summary>
/// Gets whether this test class requires Redis infrastructure.
/// </summary>
protected virtual bool RequiresRedis => false;
/// <summary>
/// Gets the task hub name prefix for this test class.
/// </summary>
protected virtual string TaskHubPrefix => "sample";
/// <inheritdoc />
public async ValueTask InitializeAsync()
{
await EnsureDtsInfrastructureStartedAsync(this.OutputHelper, this.StartDtsEmulatorAsync);
if (this.RequiresRedis)
{
await EnsureRedisInfrastructureStartedAsync(this.OutputHelper, this.StartRedisAsync);
}
await Task.Delay(TimeSpan.FromSeconds(5));
}
/// <summary>
/// Ensures DTS infrastructure is started exactly once across all test instances.
/// Static method writes to static field to avoid the code smell of instance methods modifying shared state.
/// </summary>
private static async Task EnsureDtsInfrastructureStartedAsync(ITestOutputHelper outputHelper, Func<Task> startAction)
{
if (s_dtsInfrastructureStarted)
{
return;
}
await s_dtsInitLock.WaitAsync();
try
{
if (!s_dtsInfrastructureStarted)
{
outputHelper.WriteLine("Starting shared DTS infrastructure...");
await startAction();
s_dtsInfrastructureStarted = true;
}
}
finally
{
s_dtsInitLock.Release();
}
}
/// <summary>
/// Ensures Redis infrastructure is started exactly once across all test instances.
/// Static method writes to static field to avoid the code smell of instance methods modifying shared state.
/// </summary>
private static async Task EnsureRedisInfrastructureStartedAsync(ITestOutputHelper outputHelper, Func<Task> startAction)
{
if (s_redisInfrastructureStarted)
{
return;
}
await s_redisInitLock.WaitAsync();
try
{
if (!s_redisInfrastructureStarted)
{
outputHelper.WriteLine("Starting shared Redis infrastructure...");
await startAction();
s_redisInfrastructureStarted = true;
}
}
finally
{
s_redisInitLock.Release();
}
}
/// <inheritdoc />
public ValueTask DisposeAsync()
{
GC.SuppressFinalize(this);
return default;
}
protected sealed record OutputLog(DateTime Timestamp, LogLevel Level, string Message);
/// <summary>
/// Runs a sample test by starting the console app and executing the provided test action.
/// </summary>
protected async Task RunSampleTestAsync(string samplePath, Func<Process, BlockingCollection<OutputLog>, Task> testAction)
{
string uniqueTaskHubName = $"{this.TaskHubPrefix}-{Guid.NewGuid():N}"[..^26];
using BlockingCollection<OutputLog> logsContainer = [];
using Process appProcess = this.StartConsoleApp(samplePath, logsContainer, uniqueTaskHubName);
try
{
await testAction(appProcess, logsContainer);
}
catch (OperationCanceledException e)
{
throw new TimeoutException("Core test logic timed out!", e);
}
finally
{
logsContainer.CompleteAdding();
await this.StopProcessAsync(appProcess);
}
}
/// <summary>
/// Writes a line to the process's stdin and flushes it.
/// </summary>
protected async Task WriteInputAsync(Process process, string input, CancellationToken cancellationToken)
{
this.OutputHelper.WriteLine($"{DateTime.Now:HH:mm:ss.fff} [{process.ProcessName}(in)]: {input}");
await process.StandardInput.WriteLineAsync(input);
await process.StandardInput.FlushAsync(cancellationToken);
}
/// <summary>
/// Reads the next Information-level log line from the queue.
/// Returns null if cancelled or collection is completed.
/// </summary>
protected string? ReadLogLine(BlockingCollection<OutputLog> logs, CancellationToken cancellationToken)
{
try
{
while (!cancellationToken.IsCancellationRequested)
{
OutputLog log = logs.Take(cancellationToken);
if (log.Message.Contains("Unhandled exception"))
{
Assert.Fail("Console app encountered an unhandled exception.");
}
if (log.Level == LogLevel.Information)
{
return log.Message;
}
}
}
catch (OperationCanceledException)
{
return null;
}
catch (InvalidOperationException)
{
return null;
}
return null;
}
/// <summary>
/// Creates a cancellation token source with the specified timeout for test operations.
/// </summary>
protected CancellationTokenSource CreateTestTimeoutCts(TimeSpan? timeout = null)
{
TimeSpan testTimeout = Debugger.IsAttached ? TimeSpan.FromMinutes(5) : timeout ?? TimeSpan.FromSeconds(60);
return new CancellationTokenSource(testTimeout);
}
/// <summary>
/// Allows derived classes to set additional environment variables for the console app process.
/// </summary>
protected virtual void ConfigureAdditionalEnvironmentVariables(ProcessStartInfo startInfo, Action<string, string> setEnvVar)
{
}
private static string GetTargetFramework()
{
string filePath = new Uri(typeof(SamplesValidationBase).Assembly.Location).LocalPath;
string directory = Path.GetDirectoryName(filePath)!;
string tfm = Path.GetFileName(directory);
if (tfm.StartsWith("net", StringComparison.OrdinalIgnoreCase))
{
return tfm;
}
throw new InvalidOperationException($"Unable to find target framework in path: {filePath}");
}
private async Task StartDtsEmulatorAsync()
{
if (!await this.IsDtsEmulatorRunningAsync())
{
this.OutputHelper.WriteLine("Starting DTS emulator...");
await this.RunCommandAsync("docker", "run", "-d",
"--name", "dts-emulator",
"-p", $"{DtsPort}:8080",
"-e", "DTS_USE_DYNAMIC_TASK_HUBS=true",
"mcr.microsoft.com/dts/dts-emulator:latest");
}
}
private async Task StartRedisAsync()
{
if (!await this.IsRedisRunningAsync())
{
this.OutputHelper.WriteLine("Starting Redis...");
await this.RunCommandAsync("docker", "run", "-d",
"--name", "redis",
"-p", $"{RedisPort}:6379",
"redis:latest");
}
}
private async Task<bool> IsDtsEmulatorRunningAsync()
{
this.OutputHelper.WriteLine($"Checking if DTS emulator is running at http://localhost:{DtsPort}/healthz...");
using HttpClient http2Client = new()
{
DefaultRequestVersion = new Version(2, 0),
DefaultVersionPolicy = HttpVersionPolicy.RequestVersionExact
};
try
{
using CancellationTokenSource timeoutCts = new(TimeSpan.FromSeconds(30));
using HttpResponseMessage response = await http2Client.GetAsync(
new Uri($"http://localhost:{DtsPort}/healthz"), timeoutCts.Token);
if (response.Content.Headers.ContentLength > 0)
{
string content = await response.Content.ReadAsStringAsync(timeoutCts.Token);
this.OutputHelper.WriteLine($"DTS emulator health check response: {content}");
}
bool isRunning = response.IsSuccessStatusCode;
this.OutputHelper.WriteLine(isRunning ? "DTS emulator is running" : $"DTS emulator not running. Status: {response.StatusCode}");
return isRunning;
}
catch (HttpRequestException ex)
{
this.OutputHelper.WriteLine($"DTS emulator is not running: {ex.Message}");
return false;
}
}
private async Task<bool> IsRedisRunningAsync()
{
this.OutputHelper.WriteLine($"Checking if Redis is running at localhost:{RedisPort}...");
try
{
using CancellationTokenSource timeoutCts = new(TimeSpan.FromSeconds(30));
ProcessStartInfo startInfo = new()
{
FileName = "docker",
Arguments = "exec redis redis-cli ping",
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true
};
using Process process = new() { StartInfo = startInfo };
if (!process.Start())
{
this.OutputHelper.WriteLine("Failed to start docker exec command");
return false;
}
string output = await process.StandardOutput.ReadToEndAsync(timeoutCts.Token);
await process.WaitForExitAsync(timeoutCts.Token);
bool isRunning = process.ExitCode == 0 && output.Contains("PONG", StringComparison.OrdinalIgnoreCase);
this.OutputHelper.WriteLine(isRunning ? "Redis is running" : $"Redis not running. Exit: {process.ExitCode}, Output: {output}");
return isRunning;
}
catch (Exception ex)
{
this.OutputHelper.WriteLine($"Redis is not running: {ex.Message}");
return false;
}
}
private Process StartConsoleApp(string samplePath, BlockingCollection<OutputLog> logs, string taskHubName)
{
ProcessStartInfo startInfo = new()
{
FileName = "dotnet",
Arguments = $"run --framework {DotnetTargetFramework}",
WorkingDirectory = samplePath,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
RedirectStandardInput = true,
};
string openAiEndpoint = Configuration["AZURE_OPENAI_ENDPOINT"] ??
throw new InvalidOperationException("The required AZURE_OPENAI_ENDPOINT env variable is not set.");
string openAiDeployment = Configuration["AZURE_OPENAI_CHAT_DEPLOYMENT_NAME"] ??
throw new InvalidOperationException("The required AZURE_OPENAI_CHAT_DEPLOYMENT_NAME env variable is not set.");
void SetAndLogEnvironmentVariable(string key, string value)
{
this.OutputHelper.WriteLine($"Setting environment variable for {startInfo.FileName} sub-process: {key}={value}");
startInfo.EnvironmentVariables[key] = value;
}
SetAndLogEnvironmentVariable("AZURE_OPENAI_ENDPOINT", openAiEndpoint);
SetAndLogEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT", openAiDeployment);
SetAndLogEnvironmentVariable("DURABLE_TASK_SCHEDULER_CONNECTION_STRING",
$"Endpoint=http://localhost:{DtsPort};TaskHub={taskHubName};Authentication=None");
this.ConfigureAdditionalEnvironmentVariables(startInfo, SetAndLogEnvironmentVariable);
Process process = new() { StartInfo = startInfo };
process.ErrorDataReceived += (sender, e) => this.HandleProcessOutput(e.Data, startInfo.FileName, "err", LogLevel.Error, logs);
process.OutputDataReceived += (sender, e) => this.HandleProcessOutput(e.Data, startInfo.FileName, "out", LogLevel.Information, logs);
if (!process.Start())
{
throw new InvalidOperationException("Failed to start the console app");
}
process.BeginErrorReadLine();
process.BeginOutputReadLine();
return process;
}
private void HandleProcessOutput(string? data, string processName, string stream, LogLevel level, BlockingCollection<OutputLog> logs)
{
if (data is null)
{
return;
}
string logMessage = $"{DateTime.Now:HH:mm:ss.fff} [{processName}({stream})]: {data}";
this.OutputHelper.WriteLine(logMessage);
Debug.WriteLine(logMessage);
try
{
logs.Add(new OutputLog(DateTime.Now, level, data));
}
catch (InvalidOperationException)
{
// Collection completed
}
}
private async Task RunCommandAsync(string command, params string[] args)
{
ProcessStartInfo startInfo = new()
{
FileName = command,
Arguments = string.Join(" ", args),
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true
};
this.OutputHelper.WriteLine($"Running command: {command} {string.Join(" ", args)}");
using Process process = new() { StartInfo = startInfo };
process.ErrorDataReceived += (sender, e) => this.OutputHelper.WriteLine($"[{command}(err)]: {e.Data}");
process.OutputDataReceived += (sender, e) => this.OutputHelper.WriteLine($"[{command}(out)]: {e.Data}");
if (!process.Start())
{
throw new InvalidOperationException("Failed to start the command");
}
process.BeginErrorReadLine();
process.BeginOutputReadLine();
using CancellationTokenSource cts = new(TimeSpan.FromMinutes(1));
await process.WaitForExitAsync(cts.Token);
this.OutputHelper.WriteLine($"Command completed with exit code: {process.ExitCode}");
}
private async Task StopProcessAsync(Process process)
{
try
{
if (!process.HasExited)
{
this.OutputHelper.WriteLine($"{DateTime.Now:HH:mm:ss.fff} Killing process {process.ProcessName}#{process.Id}");
process.Kill(entireProcessTree: true);
using CancellationTokenSource cts = new(TimeSpan.FromSeconds(10));
await process.WaitForExitAsync(cts.Token);
this.OutputHelper.WriteLine($"{DateTime.Now:HH:mm:ss.fff} Process exited: {process.Id}");
}
}
catch (Exception ex)
{
this.OutputHelper.WriteLine($"{DateTime.Now:HH:mm:ss.fff} Failed to stop process: {ex.Message}");
}
}
}
@@ -0,0 +1,566 @@
// Copyright (c) Microsoft. All rights reserved.
namespace Microsoft.Agents.AI.DurableTask.IntegrationTests;
/// <summary>
/// Integration tests for validating the durable workflow console app samples
/// located in samples/04-hosting/DurableWorkflows/ConsoleApps.
/// </summary>
[Collection("Samples")]
[Trait("Category", "SampleValidation")]
public sealed class WorkflowConsoleAppSamplesValidation(ITestOutputHelper outputHelper) : SamplesValidationBase(outputHelper)
{
// In CI, `dotnet run` builds samples from scratch and LLM calls add latency, so 60s is not enough.
private static readonly TimeSpan s_testTimeout = TimeSpan.FromSeconds(180);
private static readonly string s_samplesPath = Path.GetFullPath(
Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "..", "..", "..", "..", "..", "samples", "04-hosting", "DurableWorkflows", "ConsoleApps"));
/// <inheritdoc />
protected override string SamplesPath => s_samplesPath;
/// <inheritdoc />
protected override string TaskHubPrefix => "workflow";
[Fact]
public async Task SequentialWorkflowSampleValidationAsync()
{
using CancellationTokenSource testTimeoutCts = this.CreateTestTimeoutCts(s_testTimeout);
string samplePath = Path.Combine(s_samplesPath, "01_SequentialWorkflow");
await this.RunSampleTestAsync(samplePath, async (process, logs) =>
{
bool inputSent = false;
bool workflowCompleted = false;
bool foundOrderLookup = false;
bool foundOrderCancel = false;
bool foundSendEmail = false;
string? line;
while ((line = this.ReadLogLine(logs, testTimeoutCts.Token)) != null)
{
if (!inputSent && line.Contains("Enter an order ID", StringComparison.OrdinalIgnoreCase))
{
await this.WriteInputAsync(process, "12345", testTimeoutCts.Token);
inputSent = true;
}
if (inputSent)
{
foundOrderLookup |= line.Contains("[Activity] OrderLookup:", StringComparison.Ordinal);
foundOrderCancel |= line.Contains("[Activity] OrderCancel:", StringComparison.Ordinal);
foundSendEmail |= line.Contains("[Activity] SendEmail:", StringComparison.Ordinal);
if (line.Contains("Workflow completed. Cancellation email sent for order 12345", StringComparison.OrdinalIgnoreCase))
{
workflowCompleted = true;
break;
}
}
this.AssertNoError(line);
}
Assert.True(inputSent, "Input was not sent to the workflow.");
Assert.True(foundOrderLookup, "OrderLookup executor log entry not found.");
Assert.True(foundOrderCancel, "OrderCancel executor log entry not found.");
Assert.True(foundSendEmail, "SendEmail executor log entry not found.");
Assert.True(workflowCompleted, "Workflow did not complete successfully.");
await this.WriteInputAsync(process, "exit", testTimeoutCts.Token);
});
}
[Fact]
public async Task ConcurrentWorkflowSampleValidationAsync()
{
using CancellationTokenSource testTimeoutCts = this.CreateTestTimeoutCts(s_testTimeout);
string samplePath = Path.Combine(s_samplesPath, "02_ConcurrentWorkflow");
await this.RunSampleTestAsync(samplePath, async (process, logs) =>
{
bool inputSent = false;
bool workflowCompleted = false;
bool foundParseQuestion = false;
bool foundAggregator = false;
bool foundAggregatorReceived2Responses = false;
string? line;
while ((line = this.ReadLogLine(logs, testTimeoutCts.Token)) != null)
{
if (!inputSent && line.Contains("Enter a science question", StringComparison.OrdinalIgnoreCase))
{
await this.WriteInputAsync(process, "What is gravity?", testTimeoutCts.Token);
inputSent = true;
}
if (inputSent)
{
foundParseQuestion |= line.Contains("[ParseQuestion]", StringComparison.Ordinal);
foundAggregator |= line.Contains("[Aggregator]", StringComparison.Ordinal);
foundAggregatorReceived2Responses |= line.Contains("Received 2 AI agent responses", StringComparison.Ordinal);
if (line.Contains("Aggregation complete", StringComparison.OrdinalIgnoreCase))
{
workflowCompleted = true;
break;
}
}
this.AssertNoError(line);
}
Assert.True(inputSent, "Input was not sent to the workflow.");
Assert.True(foundParseQuestion, "ParseQuestion executor log entry not found.");
Assert.True(foundAggregator, "Aggregator executor log entry not found.");
Assert.True(foundAggregatorReceived2Responses, "Aggregator did not receive 2 AI agent responses.");
Assert.True(workflowCompleted, "Workflow did not complete successfully.");
await this.WriteInputAsync(process, "exit", testTimeoutCts.Token);
});
}
[Fact]
public async Task ConditionalEdgesWorkflowSampleValidationAsync()
{
using CancellationTokenSource testTimeoutCts = this.CreateTestTimeoutCts(s_testTimeout);
string samplePath = Path.Combine(s_samplesPath, "03_ConditionalEdges");
await this.RunSampleTestAsync(samplePath, async (process, logs) =>
{
bool validOrderSent = false;
bool blockedOrderSent = false;
bool validOrderCompleted = false;
bool blockedOrderCompleted = false;
string? line;
while ((line = this.ReadLogLine(logs, testTimeoutCts.Token)) != null)
{
// Send a valid order first (no 'B' in ID)
if (!validOrderSent && line.Contains("Enter an order ID", StringComparison.OrdinalIgnoreCase))
{
await this.WriteInputAsync(process, "12345", testTimeoutCts.Token);
validOrderSent = true;
}
// Check valid order completed (routed to PaymentProcessor)
if (validOrderSent && !validOrderCompleted &&
line.Contains("PaymentReferenceNumber", StringComparison.OrdinalIgnoreCase))
{
validOrderCompleted = true;
// Send a blocked order (contains 'B')
await this.WriteInputAsync(process, "ORDER-B-999", testTimeoutCts.Token);
blockedOrderSent = true;
}
// Check blocked order completed (routed to NotifyFraud)
if (blockedOrderSent && line.Contains("flagged as fraudulent", StringComparison.OrdinalIgnoreCase))
{
blockedOrderCompleted = true;
break;
}
this.AssertNoError(line);
}
Assert.True(validOrderSent, "Valid order input was not sent.");
Assert.True(validOrderCompleted, "Valid order did not complete (PaymentProcessor path).");
Assert.True(blockedOrderSent, "Blocked order input was not sent.");
Assert.True(blockedOrderCompleted, "Blocked order did not complete (NotifyFraud path).");
await this.WriteInputAsync(process, "exit", testTimeoutCts.Token);
});
}
private void AssertNoError(string line)
{
if (line.Contains("Failed:", StringComparison.OrdinalIgnoreCase) ||
line.Contains("Error:", StringComparison.OrdinalIgnoreCase))
{
Assert.Fail($"Workflow failed: {line}");
}
}
[Fact]
public async Task WorkflowEventsSampleValidationAsync()
{
using CancellationTokenSource testTimeoutCts = this.CreateTestTimeoutCts(s_testTimeout);
string samplePath = Path.Combine(s_samplesPath, "05_WorkflowEvents");
await this.RunSampleTestAsync(samplePath, async (process, logs) =>
{
bool inputSent = false;
bool foundStartedRun = false;
bool foundExecutorInvoked = false;
bool foundExecutorCompleted = false;
bool foundLookupStarted = false;
bool foundOrderFound = false;
bool foundCancelProgress = false;
bool foundOrderCancelled = false;
bool foundEmailSent = false;
bool foundYieldedOutput = false;
bool foundWorkflowCompleted = false;
bool foundCompletionResult = false;
List<string> eventLines = [];
string? line;
while ((line = this.ReadLogLine(logs, testTimeoutCts.Token)) != null)
{
if (!inputSent && line.Contains("Enter order ID", StringComparison.OrdinalIgnoreCase))
{
await this.WriteInputAsync(process, "12345", testTimeoutCts.Token);
inputSent = true;
}
if (inputSent)
{
foundStartedRun |= line.Contains("Started run:", StringComparison.Ordinal);
foundExecutorInvoked |= line.Contains("ExecutorInvokedEvent", StringComparison.Ordinal);
foundExecutorCompleted |= line.Contains("ExecutorCompletedEvent", StringComparison.Ordinal);
foundLookupStarted |= line.Contains("[Lookup] Looking up order", StringComparison.Ordinal);
foundOrderFound |= line.Contains("[Lookup] Found:", StringComparison.Ordinal);
foundCancelProgress |= line.Contains("[Cancel]", StringComparison.Ordinal) && line.Contains('%');
foundOrderCancelled |= line.Contains("[Cancel] Done", StringComparison.Ordinal);
foundEmailSent |= line.Contains("[Email] Sent to", StringComparison.Ordinal);
foundYieldedOutput |= line.Contains("[Output]", StringComparison.Ordinal);
foundWorkflowCompleted |= line.Contains("DurableWorkflowCompletedEvent", StringComparison.Ordinal);
if (line.Contains("Completed:", StringComparison.Ordinal))
{
foundCompletionResult = line.Contains("12345", StringComparison.Ordinal);
break;
}
// Collect event lines for ordering verification
if (line.Contains("[Lookup]", StringComparison.Ordinal)
|| line.Contains("[Cancel]", StringComparison.Ordinal)
|| line.Contains("[Email]", StringComparison.Ordinal)
|| line.Contains("[Output]", StringComparison.Ordinal))
{
eventLines.Add(line);
}
}
this.AssertNoError(line);
}
Assert.True(inputSent, "Input was not sent to the workflow.");
Assert.True(foundStartedRun, "Streaming run was not started.");
Assert.True(foundExecutorInvoked, "ExecutorInvokedEvent not found in stream.");
Assert.True(foundExecutorCompleted, "ExecutorCompletedEvent not found in stream.");
Assert.True(foundLookupStarted, "OrderLookupStartedEvent not found in stream.");
Assert.True(foundOrderFound, "OrderFoundEvent not found in stream.");
Assert.True(foundCancelProgress, "CancellationProgressEvent not found in stream.");
Assert.True(foundOrderCancelled, "OrderCancelledEvent not found in stream.");
Assert.True(foundEmailSent, "EmailSentEvent not found in stream.");
Assert.True(foundYieldedOutput, "WorkflowOutputEvent not found in stream.");
Assert.True(foundWorkflowCompleted, "DurableWorkflowCompletedEvent not found in stream.");
Assert.True(foundCompletionResult, "Completion result does not contain the order ID.");
// Verify event ordering: lookup events appear before cancel events, which appear before email events
int lastLookupIndex = eventLines.FindLastIndex(l => l.Contains("[Lookup]", StringComparison.Ordinal));
int firstCancelIndex = eventLines.FindIndex(l => l.Contains("[Cancel]", StringComparison.Ordinal));
int lastCancelIndex = eventLines.FindLastIndex(l => l.Contains("[Cancel]", StringComparison.Ordinal));
int firstEmailIndex = eventLines.FindIndex(l => l.Contains("[Email]", StringComparison.Ordinal));
if (lastLookupIndex >= 0 && firstCancelIndex >= 0)
{
Assert.True(lastLookupIndex < firstCancelIndex, "Lookup events should appear before cancel events.");
}
if (lastCancelIndex >= 0 && firstEmailIndex >= 0)
{
Assert.True(lastCancelIndex < firstEmailIndex, "Cancel events should appear before email events.");
}
await this.WriteInputAsync(process, "exit", testTimeoutCts.Token);
});
}
[Fact]
public async Task WorkflowSharedStateSampleValidationAsync()
{
using CancellationTokenSource testTimeoutCts = this.CreateTestTimeoutCts(s_testTimeout);
string samplePath = Path.Combine(s_samplesPath, "06_WorkflowSharedState");
await this.RunSampleTestAsync(samplePath, async (process, logs) =>
{
bool inputSent = false;
bool foundStartedRun = false;
bool foundValidateOutput = false;
bool foundEnrichOutput = false;
bool foundPaymentOutput = false;
bool foundInvoiceOutput = false;
bool foundTaxCalculation = false;
bool foundAuditTrail = false;
bool foundWorkflowCompleted = false;
List<string> outputLines = [];
string? line;
while ((line = this.ReadLogLine(logs, testTimeoutCts.Token)) != null)
{
if (!inputSent && line.Contains("Enter an order ID", StringComparison.OrdinalIgnoreCase))
{
await this.WriteInputAsync(process, "ORD-001", testTimeoutCts.Token);
inputSent = true;
}
if (inputSent)
{
foundStartedRun |= line.Contains("Started run:", StringComparison.Ordinal);
if (line.Contains("[Output]", StringComparison.Ordinal))
{
foundValidateOutput |= line.Contains("ValidateOrder:", StringComparison.Ordinal) && line.Contains("validated", StringComparison.OrdinalIgnoreCase);
foundEnrichOutput |= line.Contains("EnrichOrder:", StringComparison.Ordinal) && line.Contains("enriched", StringComparison.OrdinalIgnoreCase);
foundPaymentOutput |= line.Contains("ProcessPayment:", StringComparison.Ordinal) && line.Contains("Payment processed", StringComparison.OrdinalIgnoreCase);
foundInvoiceOutput |= line.Contains("GenerateInvoice:", StringComparison.Ordinal) && line.Contains("Invoice complete", StringComparison.OrdinalIgnoreCase);
// Verify shared state: tax rate was read by ProcessPayment
foundTaxCalculation |= line.Contains("tax:", StringComparison.OrdinalIgnoreCase);
// Verify shared state: audit trail was accumulated across executors
foundAuditTrail |= line.Contains("Audit trail:", StringComparison.Ordinal)
&& line.Contains("ValidateOrder", StringComparison.Ordinal)
&& line.Contains("EnrichOrder", StringComparison.Ordinal)
&& line.Contains("ProcessPayment", StringComparison.Ordinal);
outputLines.Add(line);
}
foundWorkflowCompleted |= line.Contains("DurableWorkflowCompletedEvent", StringComparison.Ordinal)
|| line.Contains("Completed:", StringComparison.Ordinal);
if (line.Contains("Completed:", StringComparison.Ordinal))
{
break;
}
}
this.AssertNoError(line);
}
Assert.True(inputSent, "Input was not sent to the workflow.");
Assert.True(foundStartedRun, "Streaming run was not started.");
Assert.True(foundValidateOutput, "ValidateOrder output not found in stream.");
Assert.True(foundEnrichOutput, "EnrichOrder output not found in stream.");
Assert.True(foundPaymentOutput, "ProcessPayment output not found in stream.");
Assert.True(foundInvoiceOutput, "GenerateInvoice output not found in stream.");
Assert.True(foundTaxCalculation, "Tax calculation (shared state read) not found.");
Assert.True(foundAuditTrail, "Audit trail (shared state accumulation) not found.");
Assert.True(foundWorkflowCompleted, "Workflow completion not found in stream.");
// Verify output ordering: ValidateOrder -> EnrichOrder -> ProcessPayment -> GenerateInvoice
int validateIndex = outputLines.FindIndex(l => l.Contains("ValidateOrder:", StringComparison.Ordinal) && l.Contains("validated", StringComparison.OrdinalIgnoreCase));
int enrichIndex = outputLines.FindIndex(l => l.Contains("EnrichOrder:", StringComparison.Ordinal));
int paymentIndex = outputLines.FindIndex(l => l.Contains("ProcessPayment:", StringComparison.Ordinal));
int invoiceIndex = outputLines.FindIndex(l => l.Contains("GenerateInvoice:", StringComparison.Ordinal));
if (validateIndex >= 0 && enrichIndex >= 0)
{
Assert.True(validateIndex < enrichIndex, "ValidateOrder output should appear before EnrichOrder.");
}
if (enrichIndex >= 0 && paymentIndex >= 0)
{
Assert.True(enrichIndex < paymentIndex, "EnrichOrder output should appear before ProcessPayment.");
}
if (paymentIndex >= 0 && invoiceIndex >= 0)
{
Assert.True(paymentIndex < invoiceIndex, "ProcessPayment output should appear before GenerateInvoice.");
}
await this.WriteInputAsync(process, "exit", testTimeoutCts.Token);
});
}
[Fact]
public async Task SubWorkflowsSampleValidationAsync()
{
using CancellationTokenSource testTimeoutCts = this.CreateTestTimeoutCts(s_testTimeout);
string samplePath = Path.Combine(s_samplesPath, "07_SubWorkflows");
await this.RunSampleTestAsync(samplePath, async (process, logs) =>
{
bool inputSent = false;
bool foundOrderReceived = false;
bool foundValidatePayment = false;
bool foundAnalyzePatterns = false;
bool foundCalculateRiskScore = false;
bool foundChargePayment = false;
bool foundSelectCarrier = false;
bool foundCreateShipment = false;
bool foundOrderCompleted = false;
bool foundFraudRiskEvent = false;
bool workflowCompleted = false;
string? line;
while ((line = this.ReadLogLine(logs, testTimeoutCts.Token)) != null)
{
if (!inputSent && line.Contains("Enter an order ID", StringComparison.OrdinalIgnoreCase))
{
await this.WriteInputAsync(process, "ORD-001", testTimeoutCts.Token);
inputSent = true;
}
if (inputSent)
{
// Main workflow executors
foundOrderReceived |= line.Contains("[OrderReceived]", StringComparison.Ordinal);
foundOrderCompleted |= line.Contains("[OrderCompleted]", StringComparison.Ordinal);
// Payment sub-workflow executors
foundValidatePayment |= line.Contains("[Payment/ValidatePayment]", StringComparison.Ordinal);
foundChargePayment |= line.Contains("[Payment/ChargePayment]", StringComparison.Ordinal);
// FraudCheck sub-sub-workflow executors (nested inside Payment)
foundAnalyzePatterns |= line.Contains("[Payment/FraudCheck/AnalyzePatterns]", StringComparison.Ordinal);
foundCalculateRiskScore |= line.Contains("[Payment/FraudCheck/CalculateRiskScore]", StringComparison.Ordinal);
// Shipping sub-workflow executors
foundSelectCarrier |= line.Contains("[Shipping/SelectCarrier]", StringComparison.Ordinal);
foundCreateShipment |= line.Contains("[Shipping/CreateShipment]", StringComparison.Ordinal);
// Custom event from nested sub-workflow (streamed to client)
foundFraudRiskEvent |= line.Contains("[Event from sub-workflow] FraudRiskAssessedEvent", StringComparison.Ordinal);
if (line.Contains("Order completed", StringComparison.OrdinalIgnoreCase))
{
workflowCompleted = true;
break;
}
}
this.AssertNoError(line);
}
Assert.True(inputSent, "Input was not sent to the workflow.");
Assert.True(foundOrderReceived, "OrderReceived executor log not found.");
Assert.True(foundValidatePayment, "Payment/ValidatePayment executor log not found.");
Assert.True(foundAnalyzePatterns, "Payment/FraudCheck/AnalyzePatterns executor log not found.");
Assert.True(foundCalculateRiskScore, "Payment/FraudCheck/CalculateRiskScore executor log not found.");
Assert.True(foundChargePayment, "Payment/ChargePayment executor log not found.");
Assert.True(foundSelectCarrier, "Shipping/SelectCarrier executor log not found.");
Assert.True(foundCreateShipment, "Shipping/CreateShipment executor log not found.");
Assert.True(foundOrderCompleted, "OrderCompleted executor log not found.");
Assert.True(foundFraudRiskEvent, "FraudRiskAssessedEvent from nested sub-workflow not found.");
Assert.True(workflowCompleted, "Workflow did not complete successfully.");
await this.WriteInputAsync(process, "exit", testTimeoutCts.Token);
});
}
[Fact]
public async Task WorkflowHITLSampleValidationAsync()
{
using CancellationTokenSource testTimeoutCts = this.CreateTestTimeoutCts(s_testTimeout);
string samplePath = Path.Combine(s_samplesPath, "08_WorkflowHITL");
await this.RunSampleTestAsync(samplePath, (process, logs) =>
{
bool foundStarted = false;
bool foundManagerApprovalPause = false;
bool foundManagerApprovalInput = false;
bool foundManagerResponseSent = false;
bool foundBudgetApprovalPause = false;
bool foundBudgetResponseSent = false;
bool foundComplianceApprovalPause = false;
bool foundComplianceResponseSent = false;
bool foundWorkflowCompleted = false;
string? line;
while ((line = this.ReadLogLine(logs, testTimeoutCts.Token)) != null)
{
foundStarted |= line.Contains("Starting expense reimbursement workflow", StringComparison.Ordinal);
foundManagerApprovalPause |= line.Contains("Workflow paused at RequestPort: ManagerApproval", StringComparison.Ordinal);
foundManagerApprovalInput |= line.Contains("Approval for: Jerry", StringComparison.Ordinal);
foundManagerResponseSent |= line.Contains("Response sent: Approved=True", StringComparison.Ordinal) && foundManagerApprovalPause && !foundBudgetApprovalPause && !foundComplianceApprovalPause;
foundBudgetApprovalPause |= line.Contains("Workflow paused at RequestPort: BudgetApproval", StringComparison.Ordinal);
foundBudgetResponseSent |= line.Contains("Response sent: Approved=True", StringComparison.Ordinal) && foundBudgetApprovalPause;
foundComplianceApprovalPause |= line.Contains("Workflow paused at RequestPort: ComplianceApproval", StringComparison.Ordinal);
foundComplianceResponseSent |= line.Contains("Response sent: Approved=True", StringComparison.Ordinal) && foundComplianceApprovalPause;
if (line.Contains("Workflow completed: Expense reimbursed at", StringComparison.Ordinal))
{
foundWorkflowCompleted = true;
break;
}
this.AssertNoError(line);
}
Assert.True(foundStarted, "Workflow start message not found.");
Assert.True(foundManagerApprovalPause, "Manager approval pause not found.");
Assert.True(foundManagerApprovalInput, "Manager approval input (Jerry) not found.");
Assert.True(foundManagerResponseSent, "Manager approval response not sent.");
Assert.True(foundBudgetApprovalPause, "Budget approval pause not found.");
Assert.True(foundBudgetResponseSent, "Budget approval response not sent.");
Assert.True(foundComplianceApprovalPause, "Compliance approval pause not found.");
Assert.True(foundComplianceResponseSent, "Compliance approval response not sent.");
Assert.True(foundWorkflowCompleted, "Workflow did not complete successfully.");
return Task.CompletedTask;
});
}
[Fact]
public async Task WorkflowAndAgentsSampleValidationAsync()
{
using CancellationTokenSource testTimeoutCts = this.CreateTestTimeoutCts(s_testTimeout);
string samplePath = Path.Combine(s_samplesPath, "04_WorkflowAndAgents");
await this.RunSampleTestAsync(samplePath, (process, logs) =>
{
// Arrange
bool foundDemo1 = false;
bool foundBiologistResponse = false;
bool foundChemistResponse = false;
bool foundDemo2 = false;
bool foundPhysicsWorkflow = false;
bool foundDemo3 = false;
bool foundExpertTeamWorkflow = false;
bool foundDemo4 = false;
bool foundChemistryWorkflow = false;
bool allDemosCompleted = false;
// Act
string? line;
while ((line = this.ReadLogLine(logs, testTimeoutCts.Token)) != null)
{
foundDemo1 |= line.Contains("DEMO 1:", StringComparison.Ordinal);
foundBiologistResponse |= line.Contains("Biologist:", StringComparison.Ordinal);
foundChemistResponse |= line.Contains("Chemist:", StringComparison.Ordinal);
foundDemo2 |= line.Contains("DEMO 2:", StringComparison.Ordinal);
foundPhysicsWorkflow |= line.Contains("PhysicsExpertReview", StringComparison.Ordinal);
foundDemo3 |= line.Contains("DEMO 3:", StringComparison.Ordinal);
foundExpertTeamWorkflow |= line.Contains("ExpertTeamReview", StringComparison.Ordinal);
foundDemo4 |= line.Contains("DEMO 4:", StringComparison.Ordinal);
foundChemistryWorkflow |= line.Contains("ChemistryExpertReview", StringComparison.Ordinal);
if (line.Contains("All demos completed", StringComparison.OrdinalIgnoreCase))
{
allDemosCompleted = true;
break;
}
this.AssertNoError(line);
}
// Assert
Assert.True(foundDemo1, "DEMO 1 (Direct Agent Conversation) not found.");
Assert.True(foundBiologistResponse, "Biologist agent response not found.");
Assert.True(foundChemistResponse, "Chemist agent response not found.");
Assert.True(foundDemo2, "DEMO 2 (Single-Agent Workflow) not found.");
Assert.True(foundPhysicsWorkflow, "PhysicsExpertReview workflow not found.");
Assert.True(foundDemo3, "DEMO 3 (Multi-Agent Workflow) not found.");
Assert.True(foundExpertTeamWorkflow, "ExpertTeamReview workflow not found.");
Assert.True(foundDemo4, "DEMO 4 (Chemistry Workflow) not found.");
Assert.True(foundChemistryWorkflow, "ChemistryExpertReview workflow not found.");
Assert.True(allDemosCompleted, "Sample did not complete all demos successfully.");
return Task.CompletedTask;
});
}
}
@@ -7,6 +7,7 @@
<ItemGroup>
<ProjectReference Include="..\..\src\Microsoft.Agents.AI.DurableTask\Microsoft.Agents.AI.DurableTask.csproj" />
<ProjectReference Include="..\..\src\Microsoft.Agents.AI.Workflows\Microsoft.Agents.AI.Workflows.csproj" />
</ItemGroup>
</Project>
@@ -0,0 +1,235 @@
// Copyright (c) Microsoft. All rights reserved.
using System.Text.Json;
using Microsoft.Agents.AI.DurableTask.Workflows;
namespace Microsoft.Agents.AI.DurableTask.UnitTests.Workflows;
public sealed class DurableActivityExecutorTests
{
private static readonly JsonSerializerOptions s_camelCaseOptions = new()
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
PropertyNameCaseInsensitive = true
};
#region DeserializeInput
[Fact]
public void DeserializeInput_StringType_ReturnsInputAsIs()
{
// Arrange
const string Input = "hello world";
// Act
object result = DurableActivityExecutor.DeserializeInput(Input, typeof(string));
// Assert
Assert.Equal("hello world", result);
}
[Fact]
public void DeserializeInput_SimpleObject_DeserializesCorrectly()
{
// Arrange
string input = JsonSerializer.Serialize(new TestRecord("EXP-001", 100.50m), s_camelCaseOptions);
// Act
object result = DurableActivityExecutor.DeserializeInput(input, typeof(TestRecord));
// Assert
TestRecord record = Assert.IsType<TestRecord>(result);
Assert.Equal("EXP-001", record.Id);
Assert.Equal(100.50m, record.Amount);
}
[Fact]
public void DeserializeInput_StringArray_DeserializesDirectly()
{
// Arrange
string input = JsonSerializer.Serialize((string[])["a", "b", "c"]);
// Act
object result = DurableActivityExecutor.DeserializeInput(input, typeof(string[]));
// Assert
string[] array = Assert.IsType<string[]>(result);
Assert.Equal(["a", "b", "c"], array);
}
[Fact]
public void DeserializeInput_TypedArrayFromFanIn_DeserializesEachElement()
{
// Arrange — fan-in produces a JSON array of serialized strings
TestRecord r1 = new("EXP-001", 100m);
TestRecord r2 = new("EXP-002", 200m);
string[] serializedElements =
[
JsonSerializer.Serialize(r1, s_camelCaseOptions),
JsonSerializer.Serialize(r2, s_camelCaseOptions)
];
string input = JsonSerializer.Serialize(serializedElements);
// Act
object result = DurableActivityExecutor.DeserializeInput(input, typeof(TestRecord[]));
// Assert
TestRecord[] records = Assert.IsType<TestRecord[]>(result);
Assert.Equal(2, records.Length);
Assert.Equal("EXP-001", records[0].Id);
Assert.Equal(100m, records[0].Amount);
Assert.Equal("EXP-002", records[1].Id);
Assert.Equal(200m, records[1].Amount);
}
[Fact]
public void DeserializeInput_TypedArrayWithSingleElement_DeserializesCorrectly()
{
// Arrange
TestRecord r1 = new("EXP-001", 50m);
string[] serializedElements = [JsonSerializer.Serialize(r1, s_camelCaseOptions)];
string input = JsonSerializer.Serialize(serializedElements);
// Act
object result = DurableActivityExecutor.DeserializeInput(input, typeof(TestRecord[]));
// Assert
TestRecord[] records = Assert.IsType<TestRecord[]>(result);
Assert.Single(records);
Assert.Equal("EXP-001", records[0].Id);
}
[Fact]
public void DeserializeInput_TypedArrayWithNullElement_ThrowsInvalidOperationException()
{
// Arrange — one element is "null"
string input = JsonSerializer.Serialize((string[])["null"]);
// Act & Assert
Assert.Throws<InvalidOperationException>(
() => DurableActivityExecutor.DeserializeInput(input, typeof(TestRecord[])));
}
[Fact]
public void DeserializeInput_InvalidJson_ThrowsJsonException()
{
// Arrange
const string Input = "not valid json";
// Act & Assert
Assert.ThrowsAny<JsonException>(
() => DurableActivityExecutor.DeserializeInput(Input, typeof(TestRecord)));
}
#endregion
#region ResolveInputType
[Fact]
public void ResolveInputType_NullTypeName_ReturnsFirstSupportedType()
{
// Arrange
HashSet<Type> supportedTypes = [typeof(TestRecord), typeof(string)];
// Act
Type result = DurableActivityExecutor.ResolveInputType(null, supportedTypes);
// Assert
Assert.Equal(typeof(TestRecord), result);
}
[Fact]
public void ResolveInputType_EmptyTypeName_ReturnsFirstSupportedType()
{
// Arrange
HashSet<Type> supportedTypes = [typeof(TestRecord)];
// Act
Type result = DurableActivityExecutor.ResolveInputType(string.Empty, supportedTypes);
// Assert
Assert.Equal(typeof(TestRecord), result);
}
[Fact]
public void ResolveInputType_EmptySupportedTypes_DefaultsToString()
{
// Arrange
HashSet<Type> supportedTypes = [];
// Act
Type result = DurableActivityExecutor.ResolveInputType(null, supportedTypes);
// Assert
Assert.Equal(typeof(string), result);
}
[Fact]
public void ResolveInputType_MatchesByFullName()
{
// Arrange
HashSet<Type> supportedTypes = [typeof(TestRecord)];
// Act
Type result = DurableActivityExecutor.ResolveInputType(typeof(TestRecord).FullName, supportedTypes);
// Assert
Assert.Equal(typeof(TestRecord), result);
}
[Fact]
public void ResolveInputType_MatchesByName()
{
// Arrange
HashSet<Type> supportedTypes = [typeof(TestRecord)];
// Act
Type result = DurableActivityExecutor.ResolveInputType("TestRecord", supportedTypes);
// Assert
Assert.Equal(typeof(TestRecord), result);
}
[Fact]
public void ResolveInputType_StringArrayFallsBackToSupportedType()
{
// Arrange — fan-in sends string[] but executor expects TestRecord[]
HashSet<Type> supportedTypes = [typeof(TestRecord[])];
// Act
Type result = DurableActivityExecutor.ResolveInputType(typeof(string[]).FullName, supportedTypes);
// Assert
Assert.Equal(typeof(TestRecord[]), result);
}
[Fact]
public void ResolveInputType_StringFallsBackToSupportedType()
{
// Arrange — executor doesn't support string
HashSet<Type> supportedTypes = [typeof(TestRecord)];
// Act
Type result = DurableActivityExecutor.ResolveInputType(typeof(string).FullName, supportedTypes);
// Assert
Assert.Equal(typeof(TestRecord), result);
}
[Fact]
public void ResolveInputType_StringArrayRetainedWhenSupported()
{
// Arrange — executor explicitly supports string[]
HashSet<Type> supportedTypes = [typeof(string[])];
// Act
Type result = DurableActivityExecutor.ResolveInputType(typeof(string[]).FullName, supportedTypes);
// Assert
Assert.Equal(typeof(string[]), result);
}
#endregion
private sealed record TestRecord(string Id, decimal Amount);
}
@@ -0,0 +1,765 @@
// Copyright (c) Microsoft. All rights reserved.
using System.Text.Json;
using Microsoft.Agents.AI.DurableTask.Workflows;
using Microsoft.Agents.AI.Workflows;
using Microsoft.DurableTask;
using Microsoft.DurableTask.Client;
using Moq;
namespace Microsoft.Agents.AI.DurableTask.UnitTests.Workflows;
public sealed class DurableStreamingWorkflowRunTests
{
private const string InstanceId = "test-instance-123";
private const string WorkflowTestName = "TestWorkflow";
private static Workflow CreateTestWorkflow() =>
new WorkflowBuilder(new FunctionExecutor<string>("start", (_, _, _) => default))
.WithName(WorkflowTestName)
.Build();
private static OrchestrationMetadata CreateMetadata(
OrchestrationRuntimeStatus status,
string? serializedCustomStatus = null,
string? serializedOutput = null,
TaskFailureDetails? failureDetails = null)
{
return new OrchestrationMetadata(WorkflowTestName, InstanceId)
{
RuntimeStatus = status,
SerializedCustomStatus = serializedCustomStatus,
SerializedOutput = serializedOutput,
FailureDetails = failureDetails,
};
}
private static string SerializeCustomStatus(List<string> events)
{
DurableWorkflowLiveStatus status = new() { Events = events };
return JsonSerializer.Serialize(status, DurableSerialization.Options);
}
private static string SerializeCustomStatusWithPendingEvents(
List<string> events,
List<PendingRequestPortStatus> pendingEvents)
{
DurableWorkflowLiveStatus status = new() { Events = events, PendingEvents = pendingEvents };
return JsonSerializer.Serialize(status, DurableSerialization.Options);
}
private static Workflow CreateTestWorkflowWithRequestPort(string requestPortId)
{
FunctionExecutor<string> start = new("start", (_, _, _) => default);
RequestPort<string, string> requestPort = RequestPort.Create<string, string>(requestPortId);
FunctionExecutor<string> end = new("end", (_, _, _) => default);
return new WorkflowBuilder(start)
.WithName(WorkflowTestName)
.AddEdge(start, requestPort)
.AddEdge(requestPort, end)
.Build();
}
private static string SerializeWorkflowResult(string? result, List<string> events)
{
DurableWorkflowResult workflowResult = new() { Result = result, Events = events };
return JsonSerializer.Serialize(workflowResult, DurableWorkflowJsonContext.Default.DurableWorkflowResult);
}
private static string SerializeEvent(WorkflowEvent evt)
{
Type eventType = evt.GetType();
TypedPayload wrapper = new()
{
TypeName = eventType.AssemblyQualifiedName,
Data = JsonSerializer.Serialize(evt, eventType, DurableSerialization.Options)
};
return JsonSerializer.Serialize(wrapper, DurableWorkflowJsonContext.Default.TypedPayload);
}
#region Constructor and Properties
[Fact]
public void Constructor_SetsRunIdAndWorkflowName()
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
// Act
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Assert
Assert.Equal(InstanceId, run.RunId);
Assert.Equal(WorkflowTestName, run.WorkflowName);
}
[Fact]
public void Constructor_NoWorkflowName_SetsEmptyString()
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
Workflow workflow = new WorkflowBuilder(new FunctionExecutor<string>("start", (_, _, _) => default)).Build();
// Act
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, workflow);
// Assert
Assert.Equal(string.Empty, run.WorkflowName);
}
#endregion
#region GetStatusAsync
[Theory]
[InlineData(OrchestrationRuntimeStatus.Pending, DurableRunStatus.Pending)]
[InlineData(OrchestrationRuntimeStatus.Running, DurableRunStatus.Running)]
[InlineData(OrchestrationRuntimeStatus.Completed, DurableRunStatus.Completed)]
[InlineData(OrchestrationRuntimeStatus.Failed, DurableRunStatus.Failed)]
[InlineData(OrchestrationRuntimeStatus.Terminated, DurableRunStatus.Terminated)]
[InlineData(OrchestrationRuntimeStatus.Suspended, DurableRunStatus.Suspended)]
public async Task GetStatusAsync_MapsRuntimeStatusCorrectlyAsync(
OrchestrationRuntimeStatus runtimeStatus,
DurableRunStatus expectedStatus)
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, false, It.IsAny<CancellationToken>()))
.ReturnsAsync(CreateMetadata(runtimeStatus));
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
DurableRunStatus status = await run.GetStatusAsync();
// Assert
Assert.Equal(expectedStatus, status);
}
[Fact]
public async Task GetStatusAsync_InstanceNotFound_ReturnsNotFoundAsync()
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, false, It.IsAny<CancellationToken>()))
.ReturnsAsync((OrchestrationMetadata?)null);
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
DurableRunStatus status = await run.GetStatusAsync();
// Assert
Assert.Equal(DurableRunStatus.NotFound, status);
}
#endregion
#region WatchStreamAsync
[Fact]
public async Task WatchStreamAsync_InstanceNotFound_YieldsNoEventsAsync()
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync((OrchestrationMetadata?)null);
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert
Assert.Empty(events);
}
[Fact]
public async Task WatchStreamAsync_CompletedWithResult_YieldsCompletedEventAsync()
{
// Arrange
string serializedOutput = SerializeWorkflowResult("done", []);
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(CreateMetadata(OrchestrationRuntimeStatus.Completed, serializedOutput: serializedOutput));
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert
Assert.Single(events);
DurableWorkflowCompletedEvent completedEvent = Assert.IsType<DurableWorkflowCompletedEvent>(events[0]);
Assert.Equal("done", completedEvent.Data);
}
[Fact]
public async Task WatchStreamAsync_CompletedWithEventsInOutput_YieldsEventsAndCompletionAsync()
{
// Arrange
DurableHaltRequestedEvent haltEvent = new("executor-1");
string serializedEvent = SerializeEvent(haltEvent);
string serializedOutput = SerializeWorkflowResult("result", [serializedEvent]);
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(CreateMetadata(OrchestrationRuntimeStatus.Completed, serializedOutput: serializedOutput));
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert
Assert.Equal(2, events.Count);
DurableHaltRequestedEvent haltResult = Assert.IsType<DurableHaltRequestedEvent>(events[0]);
Assert.Equal("executor-1", haltResult.ExecutorId);
DurableWorkflowCompletedEvent completedResult = Assert.IsType<DurableWorkflowCompletedEvent>(events[1]);
Assert.Equal("result", completedResult.Result);
}
[Fact]
public async Task WatchStreamAsync_CompletedWithoutWrapper_YieldsFailedEventAsync()
{
// Arrange — output not wrapped in DurableWorkflowResult (indicates a bug)
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(CreateMetadata(OrchestrationRuntimeStatus.Completed, serializedOutput: "\"raw output\""));
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert — yields a failed event with diagnostic message instead of crashing
Assert.Single(events);
DurableWorkflowFailedEvent failedEvent = Assert.IsType<DurableWorkflowFailedEvent>(events[0]);
Assert.Contains("could not be parsed", failedEvent.ErrorMessage);
}
[Fact]
public async Task WatchStreamAsync_Failed_YieldsFailedEventAsync()
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
TaskFailureDetails failureDetails = new("ErrorType", "Something went wrong", null, null, null);
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(CreateMetadata(
OrchestrationRuntimeStatus.Failed,
failureDetails: failureDetails));
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert
Assert.Single(events);
DurableWorkflowFailedEvent failedEvent = Assert.IsType<DurableWorkflowFailedEvent>(events[0]);
Assert.Equal("Something went wrong", failedEvent.ErrorMessage);
Assert.NotNull(failedEvent.FailureDetails);
Assert.Equal("ErrorType", failedEvent.FailureDetails.ErrorType);
Assert.Equal("Something went wrong", failedEvent.FailureDetails.ErrorMessage);
}
[Fact]
public async Task WatchStreamAsync_FailedWithNoDetails_YieldsDefaultMessageAsync()
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(CreateMetadata(OrchestrationRuntimeStatus.Failed));
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert
Assert.Single(events);
DurableWorkflowFailedEvent failedEvent = Assert.IsType<DurableWorkflowFailedEvent>(events[0]);
Assert.Equal("Workflow execution failed.", failedEvent.ErrorMessage);
Assert.Null(failedEvent.FailureDetails);
}
[Fact]
public async Task WatchStreamAsync_Terminated_YieldsFailedEventAsync()
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(CreateMetadata(OrchestrationRuntimeStatus.Terminated));
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert
Assert.Single(events);
DurableWorkflowFailedEvent failedEvent = Assert.IsType<DurableWorkflowFailedEvent>(events[0]);
Assert.Equal("Workflow was terminated.", failedEvent.ErrorMessage);
Assert.Null(failedEvent.FailureDetails);
}
[Fact]
public async Task WatchStreamAsync_EventsInCustomStatus_YieldsEventsBeforeCompletionAsync()
{
// Arrange
DurableHaltRequestedEvent haltEvent = new("exec-1");
string serializedEvent = SerializeEvent(haltEvent);
string customStatus = SerializeCustomStatus([serializedEvent]);
string serializedOutput = SerializeWorkflowResult("final", []);
int callCount = 0;
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(() =>
{
callCount++;
if (callCount == 1)
{
return CreateMetadata(OrchestrationRuntimeStatus.Running, serializedCustomStatus: customStatus);
}
return CreateMetadata(OrchestrationRuntimeStatus.Completed, serializedOutput: serializedOutput);
});
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert
Assert.Equal(2, events.Count);
DurableHaltRequestedEvent haltResult = Assert.IsType<DurableHaltRequestedEvent>(events[0]);
Assert.Equal("exec-1", haltResult.ExecutorId);
DurableWorkflowCompletedEvent completedResult = Assert.IsType<DurableWorkflowCompletedEvent>(events[1]);
Assert.Equal("final", completedResult.Result);
}
[Fact]
public async Task WatchStreamAsync_IncrementalEvents_YieldsOnlyNewEventsPerPollAsync()
{
// Arrange — simulate 3 poll cycles where events accumulate in custom status,
// then a final completion poll. This validates:
// 1. Events arriving across multiple poll cycles are yielded incrementally
// 2. Already-seen events are not re-yielded (lastReadEventIndex dedup)
// 3. Completion event follows all streamed events
DurableHaltRequestedEvent event1 = new("executor-1");
DurableHaltRequestedEvent event2 = new("executor-2");
DurableHaltRequestedEvent event3 = new("executor-3");
string serializedEvent1 = SerializeEvent(event1);
string serializedEvent2 = SerializeEvent(event2);
string serializedEvent3 = SerializeEvent(event3);
// Poll 1: 1 event in custom status
string customStatus1 = SerializeCustomStatus([serializedEvent1]);
// Poll 2: same event + 1 new event (accumulating list)
string customStatus2 = SerializeCustomStatus([serializedEvent1, serializedEvent2]);
// Poll 3: all 3 events accumulated
string customStatus3 = SerializeCustomStatus([serializedEvent1, serializedEvent2, serializedEvent3]);
// Poll 4: completed, all events also in output
string serializedOutput = SerializeWorkflowResult("done", [serializedEvent1, serializedEvent2, serializedEvent3]);
int callCount = 0;
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(() =>
{
callCount++;
return callCount switch
{
1 => CreateMetadata(OrchestrationRuntimeStatus.Running, serializedCustomStatus: customStatus1),
2 => CreateMetadata(OrchestrationRuntimeStatus.Running, serializedCustomStatus: customStatus2),
3 => CreateMetadata(OrchestrationRuntimeStatus.Running, serializedCustomStatus: customStatus3),
_ => CreateMetadata(OrchestrationRuntimeStatus.Completed, serializedOutput: serializedOutput),
};
});
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert — exactly 4 events: 3 incremental halt events + 1 completion
Assert.Equal(4, events.Count);
DurableHaltRequestedEvent halt1 = Assert.IsType<DurableHaltRequestedEvent>(events[0]);
DurableHaltRequestedEvent halt2 = Assert.IsType<DurableHaltRequestedEvent>(events[1]);
DurableHaltRequestedEvent halt3 = Assert.IsType<DurableHaltRequestedEvent>(events[2]);
Assert.Equal("executor-1", halt1.ExecutorId);
Assert.Equal("executor-2", halt2.ExecutorId);
Assert.Equal("executor-3", halt3.ExecutorId);
DurableWorkflowCompletedEvent completed = Assert.IsType<DurableWorkflowCompletedEvent>(events[3]);
Assert.Equal("done", completed.Data);
}
[Fact]
public async Task WatchStreamAsync_NoNewEventsOnRepoll_DoesNotDuplicateAsync()
{
// Arrange — simulate polling where custom status doesn't change between polls,
// validating that events are not duplicated when the list is unchanged.
DurableHaltRequestedEvent event1 = new("executor-1");
string serializedEvent1 = SerializeEvent(event1);
string customStatus = SerializeCustomStatus([serializedEvent1]);
string serializedOutput = SerializeWorkflowResult("result", [serializedEvent1]);
int callCount = 0;
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(() =>
{
callCount++;
return callCount switch
{
// First 3 polls return the same custom status (no new events after first)
<= 3 => CreateMetadata(OrchestrationRuntimeStatus.Running, serializedCustomStatus: customStatus),
_ => CreateMetadata(OrchestrationRuntimeStatus.Completed, serializedOutput: serializedOutput),
};
});
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert — event1 appears exactly once despite 3 polls with the same status
Assert.Equal(2, events.Count);
DurableHaltRequestedEvent haltResult = Assert.IsType<DurableHaltRequestedEvent>(events[0]);
Assert.Equal("executor-1", haltResult.ExecutorId);
DurableWorkflowCompletedEvent completedResult = Assert.IsType<DurableWorkflowCompletedEvent>(events[1]);
Assert.Equal("result", completedResult.Result);
}
[Fact]
public async Task WatchStreamAsync_Cancellation_EndsGracefullyAsync()
{
// Arrange
using CancellationTokenSource cts = new();
int pollCount = 0;
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(() =>
{
if (++pollCount >= 2)
{
cts.Cancel();
}
return CreateMetadata(OrchestrationRuntimeStatus.Running);
});
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync(cts.Token))
{
events.Add(evt);
}
// Assert — no exception thrown, stream ends cleanly
Assert.Empty(events);
}
[Fact]
public async Task WatchStreamAsync_PendingRequestPort_YieldsWaitingForInputEventAsync()
{
// Arrange
string customStatus = SerializeCustomStatusWithPendingEvents(
[],
[new PendingRequestPortStatus("ApprovalPort", """{"amount":100}""")]);
string serializedOutput = SerializeWorkflowResult("approved", []);
int callCount = 0;
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(() =>
{
callCount++;
return callCount == 1
? CreateMetadata(OrchestrationRuntimeStatus.Running, serializedCustomStatus: customStatus)
: CreateMetadata(OrchestrationRuntimeStatus.Completed, serializedOutput: serializedOutput);
});
Workflow workflow = CreateTestWorkflowWithRequestPort("ApprovalPort");
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, workflow);
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert
Assert.Equal(2, events.Count);
DurableWorkflowWaitingForInputEvent waitingEvent = Assert.IsType<DurableWorkflowWaitingForInputEvent>(events[0]);
Assert.Equal("ApprovalPort", waitingEvent.RequestPort.Id);
Assert.Contains("amount", waitingEvent.Input);
DurableWorkflowCompletedEvent completedEvent = Assert.IsType<DurableWorkflowCompletedEvent>(events[1]);
Assert.Equal("approved", completedEvent.Result);
}
[Fact]
public async Task WatchStreamAsync_PendingRequestPort_DoesNotDuplicateOnSubsequentPollsAsync()
{
// Arrange — same pending event across 2 polls, then completion
string customStatus = SerializeCustomStatusWithPendingEvents(
[],
[new PendingRequestPortStatus("ApprovalPort", """{"amount":100}""")]);
string serializedOutput = SerializeWorkflowResult("done", []);
int callCount = 0;
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.GetInstanceAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(() =>
{
callCount++;
return callCount switch
{
<= 2 => CreateMetadata(OrchestrationRuntimeStatus.Running, serializedCustomStatus: customStatus),
_ => CreateMetadata(OrchestrationRuntimeStatus.Completed, serializedOutput: serializedOutput),
};
});
Workflow workflow = CreateTestWorkflowWithRequestPort("ApprovalPort");
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, workflow);
// Act
List<WorkflowEvent> events = [];
await foreach (WorkflowEvent evt in run.WatchStreamAsync())
{
events.Add(evt);
}
// Assert — WaitingForInputEvent yielded only once despite 2 polls
Assert.Equal(2, events.Count);
Assert.IsType<DurableWorkflowWaitingForInputEvent>(events[0]);
Assert.IsType<DurableWorkflowCompletedEvent>(events[1]);
}
#endregion
#region SendResponseAsync
[Fact]
public async Task SendResponseAsync_SerializesAndRaisesEventAsync()
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.RaiseEventAsync(
InstanceId,
"ApprovalPort",
It.IsAny<string>(),
It.IsAny<CancellationToken>()))
.Returns(Task.CompletedTask);
RequestPort approvalPort = RequestPort.Create<string, string>("ApprovalPort");
DurableWorkflowWaitingForInputEvent requestEvent = new("""{"amount":100}""", approvalPort);
Workflow workflow = CreateTestWorkflowWithRequestPort("ApprovalPort");
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, workflow);
// Act
await run.SendResponseAsync(requestEvent, new { approved = true, comments = "Looks good" });
// Assert
mockClient.Verify(c => c.RaiseEventAsync(
InstanceId,
"ApprovalPort",
It.Is<string>(s => s.Contains("approved") && s.Contains("true")),
It.IsAny<CancellationToken>()), Times.Once);
}
[Fact]
public async Task SendResponseAsync_NullRequestEvent_ThrowsAsync()
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act & Assert
await Assert.ThrowsAsync<ArgumentNullException>(() =>
run.SendResponseAsync(null!, "response").AsTask());
}
#endregion
#region WaitForCompletionAsync
[Fact]
public async Task WaitForCompletionAsync_Completed_ReturnsResultAsync()
{
// Arrange
string serializedOutput = SerializeWorkflowResult("hello world", []);
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.WaitForInstanceCompletionAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(CreateMetadata(OrchestrationRuntimeStatus.Completed, serializedOutput: serializedOutput));
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act
string? result = await run.WaitForCompletionAsync<string>();
// Assert
Assert.Equal("hello world", result);
}
[Fact]
public async Task WaitForCompletionAsync_Failed_ThrowsTaskFailedExceptionAsync()
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.WaitForInstanceCompletionAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(CreateMetadata(
OrchestrationRuntimeStatus.Failed,
failureDetails: new TaskFailureDetails("Error", "kaboom", null, null, null)));
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act & Assert
TaskFailedException ex = await Assert.ThrowsAsync<TaskFailedException>(
() => run.WaitForCompletionAsync<string>().AsTask());
Assert.Equal("kaboom", ex.FailureDetails.ErrorMessage);
}
[Fact]
public async Task WaitForCompletionAsync_UnexpectedStatus_ThrowsAsync()
{
// Arrange
Mock<DurableTaskClient> mockClient = new("test");
mockClient.Setup(c => c.WaitForInstanceCompletionAsync(InstanceId, true, It.IsAny<CancellationToken>()))
.ReturnsAsync(CreateMetadata(OrchestrationRuntimeStatus.Terminated));
DurableStreamingWorkflowRun run = new(mockClient.Object, InstanceId, CreateTestWorkflow());
// Act & Assert
await Assert.ThrowsAsync<InvalidOperationException>(
() => run.WaitForCompletionAsync<string>().AsTask());
}
#endregion
#region ExtractResult
[Fact]
public void ExtractResult_NullOutput_ReturnsDefault()
{
// Act
string? result = DurableStreamingWorkflowRun.ExtractResult<string>(null);
// Assert
Assert.Null(result);
}
[Fact]
public void ExtractResult_WrappedStringResult_ReturnsUnwrappedString()
{
// Arrange
string serializedOutput = SerializeWorkflowResult("hello", []);
// Act
string? result = DurableStreamingWorkflowRun.ExtractResult<string>(serializedOutput);
// Assert
Assert.Equal("hello", result);
}
[Fact]
public void ExtractResult_UnwrappedOutput_ThrowsInvalidOperationException()
{
// Arrange — raw output not wrapped in DurableWorkflowResult
string serializedOutput = JsonSerializer.Serialize("raw value");
// Act & Assert
Assert.Throws<InvalidOperationException>(
() => DurableStreamingWorkflowRun.ExtractResult<string>(serializedOutput));
}
[Fact]
public void ExtractResult_WrappedObjectResult_DeserializesCorrectly()
{
// Arrange
TestPayload original = new() { Name = "test", Value = 42 };
string resultJson = JsonSerializer.Serialize(original);
string serializedOutput = SerializeWorkflowResult(resultJson, []);
// Act
TestPayload? result = DurableStreamingWorkflowRun.ExtractResult<TestPayload>(serializedOutput);
// Assert
Assert.NotNull(result);
Assert.Equal("test", result.Name);
Assert.Equal(42, result.Value);
}
[Fact]
public void ExtractResult_CamelCaseSerializedObject_DeserializesToPascalCaseMembers()
{
// Arrange — executor outputs are serialized with DurableSerialization.Options (camelCase)
TestPayload original = new() { Name = "camel", Value = 99 };
string resultJson = JsonSerializer.Serialize(original, DurableSerialization.Options);
string serializedOutput = SerializeWorkflowResult(resultJson, []);
// Act
TestPayload? result = DurableStreamingWorkflowRun.ExtractResult<TestPayload>(serializedOutput);
// Assert
Assert.NotNull(result);
Assert.Equal("camel", result.Name);
Assert.Equal(99, result.Value);
}
#endregion
private sealed class TestPayload
{
public string? Name { get; set; }
public int Value { get; set; }
}
}
@@ -0,0 +1,504 @@
// Copyright (c) Microsoft. All rights reserved.
using Microsoft.Agents.AI.DurableTask.Workflows;
using Microsoft.Agents.AI.Workflows;
namespace Microsoft.Agents.AI.DurableTask.UnitTests.Workflows;
public sealed class DurableWorkflowContextTests
{
private static FunctionExecutor<string> CreateTestExecutor(string id = "test-executor")
=> new(id, (_, _, _) => default, outputTypes: [typeof(string)]);
#region ReadStateAsync
[Fact]
public async Task ReadStateAsync_KeyExistsInInitialState_ReturnsValueAsync()
{
// Arrange
Dictionary<string, string> state = new() { ["__default__:counter"] = "42" };
DurableWorkflowContext context = new(state, CreateTestExecutor());
// Act
int? result = await context.ReadStateAsync<int>("counter");
// Assert
Assert.Equal(42, result);
}
[Fact]
public async Task ReadStateAsync_KeyDoesNotExist_ReturnsNullAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act
string? result = await context.ReadStateAsync<string>("missing");
// Assert
Assert.Null(result);
}
[Fact]
public async Task ReadStateAsync_LocalUpdateTakesPriorityOverInitialStateAsync()
{
// Arrange
Dictionary<string, string> state = new() { ["__default__:key"] = "\"old\"" };
DurableWorkflowContext context = new(state, CreateTestExecutor());
await context.QueueStateUpdateAsync("key", "new");
// Act
string? result = await context.ReadStateAsync<string>("key");
// Assert
Assert.Equal("new", result);
}
[Fact]
public async Task ReadStateAsync_ScopeCleared_IgnoresInitialStateAsync()
{
// Arrange
Dictionary<string, string> state = new() { ["__default__:key"] = "\"value\"" };
DurableWorkflowContext context = new(state, CreateTestExecutor());
await context.QueueClearScopeAsync();
// Act
string? result = await context.ReadStateAsync<string>("key");
// Assert
Assert.Null(result);
}
[Fact]
public async Task ReadStateAsync_WithNamedScope_ReadsFromCorrectScopeAsync()
{
// Arrange
Dictionary<string, string> state = new()
{
["scopeA:key"] = "\"fromA\"",
["scopeB:key"] = "\"fromB\""
};
DurableWorkflowContext context = new(state, CreateTestExecutor());
// Act
string? resultA = await context.ReadStateAsync<string>("key", "scopeA");
string? resultB = await context.ReadStateAsync<string>("key", "scopeB");
// Assert
Assert.Equal("fromA", resultA);
Assert.Equal("fromB", resultB);
}
[Theory]
[InlineData(null)]
[InlineData("")]
public async Task ReadStateAsync_NullOrEmptyKey_ThrowsArgumentExceptionAsync(string? key)
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act & Assert
await Assert.ThrowsAnyAsync<ArgumentException>(() => context.ReadStateAsync<string>(key!).AsTask());
}
#endregion
#region ReadOrInitStateAsync
[Fact]
public async Task ReadOrInitStateAsync_KeyDoesNotExist_CallsFactoryAndQueuesUpdateAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act
string result = await context.ReadOrInitStateAsync("key", () => "initialized");
// Assert
Assert.Equal("initialized", result);
Assert.True(context.StateUpdates.ContainsKey("__default__:key"));
}
[Fact]
public async Task ReadOrInitStateAsync_KeyExists_ReturnsExistingValueAsync()
{
// Arrange
Dictionary<string, string> state = new() { ["__default__:key"] = "\"existing\"" };
DurableWorkflowContext context = new(state, CreateTestExecutor());
bool factoryCalled = false;
// Act
string result = await context.ReadOrInitStateAsync("key", () =>
{
factoryCalled = true;
return "should-not-be-used";
});
// Assert
Assert.Equal("existing", result);
Assert.False(factoryCalled);
}
[Theory]
[InlineData(null)]
[InlineData("")]
public async Task ReadOrInitStateAsync_NullOrEmptyKey_ThrowsArgumentExceptionAsync(string? key)
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act & Assert
await Assert.ThrowsAnyAsync<ArgumentException>(
() => context.ReadOrInitStateAsync(key!, () => "value").AsTask());
}
[Fact]
public async Task ReadOrInitStateAsync_ValueType_MissingKey_CallsFactoryAsync()
{
// Arrange
// Validates that ReadStateAsync<int> returns null (not 0) for missing keys,
// because the return type is int? (Nullable<int>). This ensures the factory
// is correctly invoked for value types when the key does not exist.
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act
int result = await context.ReadOrInitStateAsync("counter", () => 42);
// Assert
Assert.Equal(42, result);
Assert.True(context.StateUpdates.ContainsKey("__default__:counter"));
}
[Fact]
public async Task ReadOrInitStateAsync_NullFactory_ThrowsArgumentNullExceptionAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act & Assert
await Assert.ThrowsAsync<ArgumentNullException>(
() => context.ReadOrInitStateAsync<string>("key", null!).AsTask());
}
#endregion
#region QueueStateUpdateAsync
[Fact]
public async Task QueueStateUpdateAsync_SetsValue_VisibleToSubsequentReadAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act
await context.QueueStateUpdateAsync("key", "hello");
string? result = await context.ReadStateAsync<string>("key");
// Assert
Assert.Equal("hello", result);
}
[Fact]
public async Task QueueStateUpdateAsync_NullValue_RecordsDeletionAsync()
{
// Arrange
Dictionary<string, string> state = new() { ["__default__:key"] = "\"value\"" };
DurableWorkflowContext context = new(state, CreateTestExecutor());
// Act
await context.QueueStateUpdateAsync<string>("key", null);
// Assert
Assert.True(context.StateUpdates.ContainsKey("__default__:key"));
Assert.Null(context.StateUpdates["__default__:key"]);
}
[Theory]
[InlineData(null)]
[InlineData("")]
public async Task QueueStateUpdateAsync_NullOrEmptyKey_ThrowsArgumentExceptionAsync(string? key)
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act & Assert
await Assert.ThrowsAnyAsync<ArgumentException>(
() => context.QueueStateUpdateAsync(key!, "value").AsTask());
}
#endregion
#region QueueClearScopeAsync
[Fact]
public async Task QueueClearScopeAsync_DefaultScope_ClearsStateAndPendingUpdatesAsync()
{
// Arrange
Dictionary<string, string> state = new() { ["__default__:key"] = "\"value\"" };
DurableWorkflowContext context = new(state, CreateTestExecutor());
await context.QueueStateUpdateAsync("pending", "data");
// Act
await context.QueueClearScopeAsync();
// Assert
Assert.Contains("__default__", context.ClearedScopes);
Assert.Empty(context.StateUpdates);
}
[Fact]
public async Task QueueClearScopeAsync_NamedScope_OnlyClearsThatScopeAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
await context.QueueStateUpdateAsync("keyA", "valueA", scopeName: "scopeA");
await context.QueueStateUpdateAsync("keyB", "valueB", scopeName: "scopeB");
// Act
await context.QueueClearScopeAsync("scopeA");
// Assert
Assert.DoesNotContain("scopeA:keyA", context.StateUpdates.Keys);
Assert.Contains("scopeB:keyB", context.StateUpdates.Keys);
}
#endregion
#region ReadStateKeysAsync
[Fact]
public async Task ReadStateKeysAsync_ReturnsKeysFromInitialStateAsync()
{
// Arrange
Dictionary<string, string> state = new()
{
["__default__:alpha"] = "\"a\"",
["__default__:beta"] = "\"b\""
};
DurableWorkflowContext context = new(state, CreateTestExecutor());
// Act
HashSet<string> keys = await context.ReadStateKeysAsync();
// Assert
Assert.Equal(2, keys.Count);
Assert.Contains("alpha", keys);
Assert.Contains("beta", keys);
}
[Fact]
public async Task ReadStateKeysAsync_MergesLocalUpdatesAndDeletionsAsync()
{
// Arrange
Dictionary<string, string> state = new()
{
["__default__:existing"] = "\"val\"",
["__default__:toDelete"] = "\"val\""
};
DurableWorkflowContext context = new(state, CreateTestExecutor());
await context.QueueStateUpdateAsync("newKey", "value");
await context.QueueStateUpdateAsync<string>("toDelete", null);
// Act
HashSet<string> keys = await context.ReadStateKeysAsync();
// Assert
Assert.Contains("existing", keys);
Assert.Contains("newKey", keys);
Assert.DoesNotContain("toDelete", keys);
}
[Fact]
public async Task ReadStateKeysAsync_AfterClearScope_ExcludesInitialStateAsync()
{
// Arrange
Dictionary<string, string> state = new() { ["__default__:old"] = "\"val\"" };
DurableWorkflowContext context = new(state, CreateTestExecutor());
await context.QueueClearScopeAsync();
await context.QueueStateUpdateAsync("new", "value");
// Act
HashSet<string> keys = await context.ReadStateKeysAsync();
// Assert
Assert.DoesNotContain("old", keys);
Assert.Contains("new", keys);
}
[Fact]
public async Task ReadStateKeysAsync_WithNamedScope_OnlyReturnsKeysFromThatScopeAsync()
{
// Arrange
Dictionary<string, string> state = new()
{
["scopeA:key1"] = "\"val\"",
["scopeB:key2"] = "\"val\""
};
DurableWorkflowContext context = new(state, CreateTestExecutor());
// Act
HashSet<string> keysA = await context.ReadStateKeysAsync("scopeA");
// Assert
Assert.Single(keysA);
Assert.Contains("key1", keysA);
}
#endregion
#region AddEventAsync
[Fact]
public async Task AddEventAsync_AddsEventToCollectionAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
WorkflowEvent evt = new ExecutorInvokedEvent("test", "test-data");
// Act
await context.AddEventAsync(evt);
// Assert
Assert.Single(context.OutboundEvents);
Assert.Same(evt, context.OutboundEvents[0]);
}
[Fact]
public async Task AddEventAsync_NullEvent_DoesNotAddAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act
#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
await context.AddEventAsync(null);
#pragma warning restore CS8625
// Assert
Assert.Empty(context.OutboundEvents);
}
#endregion
#region SendMessageAsync
[Fact]
public async Task SendMessageAsync_SerializesMessageWithTypeNameAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act
await context.SendMessageAsync("hello");
// Assert
Assert.Single(context.SentMessages);
Assert.Equal(typeof(string).AssemblyQualifiedName, context.SentMessages[0].TypeName);
Assert.NotNull(context.SentMessages[0].Data);
}
[Fact]
public async Task SendMessageAsync_NullMessage_DoesNotAddAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act
#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
await context.SendMessageAsync(null);
#pragma warning restore CS8625
// Assert
Assert.Empty(context.SentMessages);
}
#endregion
#region YieldOutputAsync
[Fact]
public async Task YieldOutputAsync_AddsWorkflowOutputEventAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act
await context.YieldOutputAsync("result");
// Assert
Assert.Single(context.OutboundEvents);
WorkflowOutputEvent outputEvent = Assert.IsType<WorkflowOutputEvent>(context.OutboundEvents[0]);
Assert.Equal("result", outputEvent.Data);
}
[Fact]
public async Task YieldOutputAsync_NullOutput_DoesNotAddAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act
#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
await context.YieldOutputAsync(null);
#pragma warning restore CS8625
// Assert
Assert.Empty(context.OutboundEvents);
}
#endregion
#region RequestHaltAsync
[Fact]
public async Task RequestHaltAsync_SetsHaltRequestedAndAddsEventAsync()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Act
await context.RequestHaltAsync();
// Assert
Assert.True(context.HaltRequested);
Assert.Single(context.OutboundEvents);
Assert.IsType<DurableHaltRequestedEvent>(context.OutboundEvents[0]);
}
#endregion
#region Properties
[Fact]
public void TraceContext_ReturnsNull()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Assert
Assert.Null(context.TraceContext);
}
[Fact]
public void ConcurrentRunsEnabled_ReturnsFalse()
{
// Arrange
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Assert
Assert.False(context.ConcurrentRunsEnabled);
}
[Fact]
public async Task Constructor_NullInitialState_CreatesEmptyStateAsync()
{
// Arrange & Act
DurableWorkflowContext context = new(null, CreateTestExecutor());
// Assert
string? result = await context.ReadStateAsync<string>("anything");
Assert.Null(result);
}
#endregion
}
@@ -0,0 +1,90 @@
// Copyright (c) Microsoft. All rights reserved.
using Microsoft.Agents.AI.DurableTask.Workflows;
namespace Microsoft.Agents.AI.DurableTask.UnitTests.Workflows;
public sealed class WorkflowNamingHelperTests
{
[Fact]
public void ToOrchestrationFunctionName_ValidWorkflowName_ReturnsPrefixedName()
{
string result = WorkflowNamingHelper.ToOrchestrationFunctionName("MyWorkflow");
Assert.Equal("dafx-MyWorkflow", result);
}
[Theory]
[InlineData(null)]
[InlineData("")]
public void ToOrchestrationFunctionName_NullOrEmpty_ThrowsArgumentException(string? workflowName)
{
Assert.ThrowsAny<ArgumentException>(() => WorkflowNamingHelper.ToOrchestrationFunctionName(workflowName!));
}
[Fact]
public void ToWorkflowName_ValidOrchestrationFunctionName_ReturnsWorkflowName()
{
string result = WorkflowNamingHelper.ToWorkflowName("dafx-MyWorkflow");
Assert.Equal("MyWorkflow", result);
}
[Theory]
[InlineData(null)]
[InlineData("")]
public void ToWorkflowName_NullOrEmpty_ThrowsArgumentException(string? orchestrationFunctionName)
{
Assert.ThrowsAny<ArgumentException>(() => WorkflowNamingHelper.ToWorkflowName(orchestrationFunctionName!));
}
[Theory]
[InlineData("MyWorkflow")]
[InlineData("invalid-prefix-MyWorkflow")]
[InlineData("dafx")]
[InlineData("dafx-")]
public void ToWorkflowName_InvalidOrMissingPrefix_ThrowsArgumentException(string orchestrationFunctionName)
{
Assert.Throws<ArgumentException>(() => WorkflowNamingHelper.ToWorkflowName(orchestrationFunctionName));
}
[Fact]
public void GetExecutorName_SimpleExecutorId_ReturnsSameName()
{
string result = WorkflowNamingHelper.GetExecutorName("OrderParser");
Assert.Equal("OrderParser", result);
}
[Fact]
public void GetExecutorName_ExecutorIdWithGuidSuffix_ReturnsNameWithoutSuffix()
{
string result = WorkflowNamingHelper.GetExecutorName("Physicist_8884e71021334ce49517fa2b17b1695b");
Assert.Equal("Physicist", result);
}
[Fact]
public void GetExecutorName_NameWithUnderscoresAndGuidSuffix_ReturnsFullName()
{
string result = WorkflowNamingHelper.GetExecutorName("my_agent_8884e71021334ce49517fa2b17b1695b");
Assert.Equal("my_agent", result);
}
[Fact]
public void GetExecutorName_NameWithUnderscoreButNoGuidSuffix_ReturnsSameName()
{
string result = WorkflowNamingHelper.GetExecutorName("my_custom_executor");
Assert.Equal("my_custom_executor", result);
}
[Theory]
[InlineData(null)]
[InlineData("")]
public void GetExecutorName_NullOrEmpty_ThrowsArgumentException(string? executorId)
{
Assert.ThrowsAny<ArgumentException>(() => WorkflowNamingHelper.GetExecutorName(executorId!));
}
}
@@ -21,6 +21,12 @@ public sealed class SamplesValidation(ITestOutputHelper outputHelper) : IAsyncLi
private const string RedisPort = "6379";
private static readonly string s_dotnetTargetFramework = GetTargetFramework();
#if DEBUG
private const string BuildConfiguration = "Debug";
#else
private const string BuildConfiguration = "Release";
#endif
private static readonly HttpClient s_sharedHttpClient = new();
private static readonly IConfiguration s_configuration =
new ConfigurationBuilder()
@@ -30,6 +36,10 @@ public sealed class SamplesValidation(ITestOutputHelper outputHelper) : IAsyncLi
private static bool s_infrastructureStarted;
private static readonly TimeSpan s_orchestrationTimeout = TimeSpan.FromMinutes(1);
// In CI, `dotnet run` builds the Functions project from scratch before the host starts, so 60s is not enough.
private static readonly TimeSpan s_functionsReadyTimeout = TimeSpan.FromSeconds(180);
private static readonly string s_samplesPath = Path.GetFullPath(
Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "..", "..", "..", "..", "..", "samples", "04-hosting", "DurableAgents", "AzureFunctions"));
@@ -821,7 +831,7 @@ public sealed class SamplesValidation(ITestOutputHelper outputHelper) : IAsyncLi
ProcessStartInfo buildInfo = new()
{
FileName = "dotnet",
Arguments = $"build -f {s_dotnetTargetFramework}",
Arguments = $"build -f {s_dotnetTargetFramework} -c {BuildConfiguration}",
WorkingDirectory = samplePath,
UseShellExecute = false,
RedirectStandardOutput = true,
@@ -851,7 +861,7 @@ public sealed class SamplesValidation(ITestOutputHelper outputHelper) : IAsyncLi
ProcessStartInfo startInfo = new()
{
FileName = "dotnet",
Arguments = $"run --no-build -f {s_dotnetTargetFramework} --port {AzureFunctionsPort}",
Arguments = $"run --no-build -f {s_dotnetTargetFramework} -c {BuildConfiguration} --port {AzureFunctionsPort}",
WorkingDirectory = samplePath,
UseShellExecute = false,
RedirectStandardOutput = true,
@@ -930,7 +940,7 @@ public sealed class SamplesValidation(ITestOutputHelper outputHelper) : IAsyncLi
}
},
message: "Azure Functions Core Tools is ready",
timeout: TimeSpan.FromSeconds(60));
timeout: s_functionsReadyTimeout);
}
private async Task WaitForOrchestrationCompletionAsync(Uri statusUri)
@@ -0,0 +1,593 @@
// Copyright (c) Microsoft. All rights reserved.
using System.Diagnostics;
using System.Reflection;
using System.Text;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
namespace Microsoft.Agents.AI.Hosting.AzureFunctions.IntegrationTests;
/// <summary>
/// Integration tests for validating the durable workflow Azure Functions samples
/// located in samples/04-hosting/DurableWorkflows/AzureFunctions.
/// </summary>
[Collection("Samples")]
[Trait("Category", "SampleValidation")]
public sealed class WorkflowSamplesValidation(ITestOutputHelper outputHelper) : IAsyncLifetime
{
private const string AzureFunctionsPort = "7071";
private const string AzuritePort = "10000";
private const string DtsPort = "8080";
private static readonly string s_dotnetTargetFramework = GetTargetFramework();
#if DEBUG
private const string BuildConfiguration = "Debug";
#else
private const string BuildConfiguration = "Release";
#endif
private static readonly HttpClient s_sharedHttpClient = new();
private static readonly IConfiguration s_configuration =
new ConfigurationBuilder()
.AddUserSecrets(Assembly.GetExecutingAssembly())
.AddEnvironmentVariables()
.Build();
private static bool s_infrastructureStarted;
private static readonly TimeSpan s_orchestrationTimeout = TimeSpan.FromMinutes(1);
// In CI, `dotnet run` builds the Functions project from scratch before the host starts, so 60s is not enough.
private static readonly TimeSpan s_functionsReadyTimeout = TimeSpan.FromSeconds(180);
private static readonly string s_samplesPath = Path.GetFullPath(
Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "..", "..", "..", "..", "..", "samples", "04-hosting", "DurableWorkflows", "AzureFunctions"));
private readonly ITestOutputHelper _outputHelper = outputHelper;
public async ValueTask InitializeAsync()
{
if (!s_infrastructureStarted)
{
await this.StartSharedInfrastructureAsync();
s_infrastructureStarted = true;
}
}
public ValueTask DisposeAsync()
{
GC.SuppressFinalize(this);
return default;
}
[Fact]
public async Task SequentialWorkflowSampleValidationAsync()
{
string samplePath = Path.Combine(s_samplesPath, "01_SequentialWorkflow");
await this.RunSampleTestAsync(samplePath, requiresOpenAI: false, async (logs) =>
{
// Test the CancelOrder workflow
Uri cancelOrderUri = new($"http://localhost:{AzureFunctionsPort}/api/workflows/CancelOrder/run");
this._outputHelper.WriteLine($"Starting CancelOrder workflow via POST request to {cancelOrderUri}...");
using HttpContent cancelContent = new StringContent("12345", Encoding.UTF8, "text/plain");
using HttpResponseMessage cancelResponse = await s_sharedHttpClient.PostAsync(cancelOrderUri, cancelContent);
Assert.True(cancelResponse.IsSuccessStatusCode, $"CancelOrder request failed with status: {cancelResponse.StatusCode}");
string cancelResponseText = await cancelResponse.Content.ReadAsStringAsync();
Assert.Contains("CancelOrder", cancelResponseText);
this._outputHelper.WriteLine($"CancelOrder response: {cancelResponseText}");
// Wait for the CancelOrder workflow to complete by checking logs
await this.WaitForConditionAsync(
condition: () =>
{
lock (logs)
{
bool exists = logs.Any(log => log.Message.Contains("Workflow completed"));
return Task.FromResult(exists);
}
},
message: "CancelOrder workflow completed",
timeout: s_orchestrationTimeout);
// Verify the executor activities ran in sequence
lock (logs)
{
Assert.True(logs.Any(log => log.Message.Contains("[Activity] OrderLookup:")), "OrderLookup activity not found in logs.");
Assert.True(logs.Any(log => log.Message.Contains("[Activity] OrderCancel:")), "OrderCancel activity not found in logs.");
Assert.True(logs.Any(log => log.Message.Contains("[Activity] SendEmail:")), "SendEmail activity not found in logs.");
}
// Test the OrderStatus workflow (shares OrderLookup executor with CancelOrder)
Uri orderStatusUri = new($"http://localhost:{AzureFunctionsPort}/api/workflows/OrderStatus/run");
this._outputHelper.WriteLine($"Starting OrderStatus workflow via POST request to {orderStatusUri}...");
using HttpContent statusContent = new StringContent("67890", Encoding.UTF8, "text/plain");
using HttpResponseMessage statusResponse = await s_sharedHttpClient.PostAsync(orderStatusUri, statusContent);
Assert.True(statusResponse.IsSuccessStatusCode, $"OrderStatus request failed with status: {statusResponse.StatusCode}");
string statusResponseText = await statusResponse.Content.ReadAsStringAsync();
Assert.Contains("OrderStatus", statusResponseText);
this._outputHelper.WriteLine($"OrderStatus response: {statusResponseText}");
// Wait for the OrderStatus workflow to complete
await this.WaitForConditionAsync(
condition: () =>
{
lock (logs)
{
// Look for StatusReport activity which is unique to OrderStatus workflow
bool exists = logs.Any(log => log.Message.Contains("[Activity] StatusReport:"));
return Task.FromResult(exists);
}
},
message: "OrderStatus workflow completed",
timeout: s_orchestrationTimeout);
});
}
[Fact]
public async Task HITLWorkflowSampleValidationAsync()
{
string samplePath = Path.Combine(s_samplesPath, "03_WorkflowHITL");
await this.RunSampleTestAsync(samplePath, requiresOpenAI: false, async (logs) =>
{
// Use a unique run ID to avoid conflicts with previous test runs
string runId = $"hitl-test-{Guid.NewGuid():N}";
// Step 1: Start the expense reimbursement workflow
Uri runUri = new($"http://localhost:{AzureFunctionsPort}/api/workflows/ExpenseReimbursement/run?runId={runId}");
this._outputHelper.WriteLine($"Starting ExpenseReimbursement workflow via POST request to {runUri}...");
using HttpContent runContent = new StringContent("EXP-2025-001", Encoding.UTF8, "text/plain");
using HttpResponseMessage runResponse = await s_sharedHttpClient.PostAsync(runUri, runContent);
Assert.True(runResponse.IsSuccessStatusCode, $"Run request failed with status: {runResponse.StatusCode}");
string runResponseText = await runResponse.Content.ReadAsStringAsync();
Assert.Contains("ExpenseReimbursement", runResponseText);
this._outputHelper.WriteLine($"Run response: {runResponseText}");
// Step 2: Wait for the workflow to pause at the ManagerApproval RequestPort
await this.WaitForConditionAsync(
condition: () =>
{
lock (logs)
{
bool exists = logs.Any(log => log.Message.Contains("Workflow waiting for external input at RequestPort 'ManagerApproval'"));
return Task.FromResult(exists);
}
},
message: "Workflow paused at ManagerApproval RequestPort",
timeout: s_orchestrationTimeout);
// Step 3: Send approval response to resume the workflow
Uri respondUri = new($"http://localhost:{AzureFunctionsPort}/api/workflows/ExpenseReimbursement/respond/{runId}");
this._outputHelper.WriteLine($"Sending approval response via POST request to {respondUri}...");
using HttpContent respondContent = new StringContent(
"""{"eventName": "ManagerApproval", "response": {"Approved": true, "Comments": "Approved by test."}}""",
Encoding.UTF8, "application/json");
using HttpResponseMessage respondResponse = await s_sharedHttpClient.PostAsync(respondUri, respondContent);
Assert.True(respondResponse.IsSuccessStatusCode, $"Respond request failed with status: {respondResponse.StatusCode}");
string respondResponseText = await respondResponse.Content.ReadAsStringAsync();
Assert.Contains("Response sent to workflow", respondResponseText);
this._outputHelper.WriteLine($"Respond response: {respondResponseText}");
// Step 4: Wait for the workflow to pause at the parallel BudgetApproval and ComplianceApproval RequestPorts
await this.WaitForConditionAsync(
condition: () =>
{
lock (logs)
{
bool exists = logs.Any(log => log.Message.Contains("Workflow waiting for external input at RequestPort 'BudgetApproval'"));
return Task.FromResult(exists);
}
},
message: "Workflow paused at BudgetApproval RequestPort",
timeout: s_orchestrationTimeout);
// Step 5a: Send budget approval response
this._outputHelper.WriteLine("Sending BudgetApproval response...");
using HttpContent budgetContent = new StringContent(
"""{"eventName": "BudgetApproval", "response": {"Approved": true, "Comments": "Budget approved by test."}}""",
Encoding.UTF8, "application/json");
using HttpResponseMessage budgetResponse = await s_sharedHttpClient.PostAsync(respondUri, budgetContent);
Assert.True(budgetResponse.IsSuccessStatusCode, $"BudgetApproval request failed with status: {budgetResponse.StatusCode}");
this._outputHelper.WriteLine($"BudgetApproval response: {await budgetResponse.Content.ReadAsStringAsync()}");
// Step 5b: Send compliance approval response
this._outputHelper.WriteLine("Sending ComplianceApproval response...");
using HttpContent complianceContent = new StringContent(
"""{"eventName": "ComplianceApproval", "response": {"Approved": true, "Comments": "Compliance approved by test."}}""",
Encoding.UTF8, "application/json");
using HttpResponseMessage complianceResponse = await s_sharedHttpClient.PostAsync(respondUri, complianceContent);
Assert.True(complianceResponse.IsSuccessStatusCode, $"ComplianceApproval request failed with status: {complianceResponse.StatusCode}");
this._outputHelper.WriteLine($"ComplianceApproval response: {await complianceResponse.Content.ReadAsStringAsync()}");
// Step 6: Wait for the workflow to complete
await this.WaitForConditionAsync(
condition: () =>
{
lock (logs)
{
bool exists = logs.Any(log => log.Message.Contains("Workflow completed"));
return Task.FromResult(exists);
}
},
message: "HITL workflow completed",
timeout: s_orchestrationTimeout);
// Verify executor activities ran
lock (logs)
{
Assert.True(logs.Any(log => log.Message.Contains("Received external event for RequestPort 'ManagerApproval'")),
"ManagerApproval external event receipt not found in logs.");
Assert.True(logs.Any(log => log.Message.Contains("Received external event for RequestPort 'BudgetApproval'")),
"BudgetApproval external event receipt not found in logs.");
Assert.True(logs.Any(log => log.Message.Contains("Received external event for RequestPort 'ComplianceApproval'")),
"ComplianceApproval external event receipt not found in logs.");
}
});
}
[Fact]
public async Task ConcurrentWorkflowSampleValidationAsync()
{
string samplePath = Path.Combine(s_samplesPath, "02_ConcurrentWorkflow");
await this.RunSampleTestAsync(samplePath, requiresOpenAI: true, async (logs) =>
{
// Start the ExpertReview workflow with a science question
const string RequestBody = "What is temperature?";
using HttpContent content = new StringContent(RequestBody, Encoding.UTF8, "text/plain");
Uri startUri = new($"http://localhost:{AzureFunctionsPort}/api/workflows/ExpertReview/run");
this._outputHelper.WriteLine($"Starting ExpertReview workflow via POST request to {startUri}...");
using HttpResponseMessage startResponse = await s_sharedHttpClient.PostAsync(startUri, content);
Assert.True(startResponse.IsSuccessStatusCode, $"ExpertReview request failed with status: {startResponse.StatusCode}");
string startResponseText = await startResponse.Content.ReadAsStringAsync();
Assert.Contains("ExpertReview", startResponseText);
this._outputHelper.WriteLine($"ExpertReview response: {startResponseText}");
// Wait for the ParseQuestion executor to run
await this.WaitForConditionAsync(
condition: () =>
{
lock (logs)
{
bool exists = logs.Any(log => log.Message.Contains("[ParseQuestion]"));
return Task.FromResult(exists);
}
},
message: "ParseQuestion executor ran",
timeout: s_orchestrationTimeout);
// Wait for the Aggregator to complete (indicates fan-in from parallel agents)
await this.WaitForConditionAsync(
condition: () =>
{
lock (logs)
{
bool exists = logs.Any(log => log.Message.Contains("Aggregation complete"));
return Task.FromResult(exists);
}
},
message: "Aggregator completed with parallel agent responses",
timeout: s_orchestrationTimeout);
// Verify the aggregator received responses from both AI agents
lock (logs)
{
Assert.True(
logs.Any(log => log.Message.Contains("AI agent responses")),
"Aggregator did not log receiving AI agent responses.");
}
});
}
private async Task StartSharedInfrastructureAsync()
{
// Start Azurite if it's not already running
if (!await this.IsAzuriteRunningAsync())
{
await this.StartDockerContainerAsync(
containerName: "azurite",
image: "mcr.microsoft.com/azure-storage/azurite",
ports: ["-p", "10000:10000", "-p", "10001:10001", "-p", "10002:10002"]);
await this.WaitForConditionAsync(this.IsAzuriteRunningAsync, "Azurite is running", TimeSpan.FromSeconds(30));
}
// Start DTS emulator if it's not already running
if (!await this.IsDtsEmulatorRunningAsync())
{
await this.StartDockerContainerAsync(
containerName: "dts-emulator",
image: "mcr.microsoft.com/dts/dts-emulator:latest",
ports: ["-p", "8080:8080", "-p", "8082:8082"]);
await this.WaitForConditionAsync(
condition: this.IsDtsEmulatorRunningAsync,
message: "DTS emulator is running",
timeout: TimeSpan.FromSeconds(30));
}
}
private async Task<bool> IsAzuriteRunningAsync()
{
this._outputHelper.WriteLine(
$"Checking if Azurite is running at http://localhost:{AzuritePort}/devstoreaccount1...");
try
{
using CancellationTokenSource timeoutCts = new(TimeSpan.FromSeconds(30));
using HttpResponseMessage response = await s_sharedHttpClient.GetAsync(
requestUri: new Uri($"http://localhost:{AzuritePort}/devstoreaccount1?comp=list"),
cancellationToken: timeoutCts.Token);
if (response.Headers.TryGetValues(
"Server",
out IEnumerable<string>? serverValues) && serverValues.Any(s => s.StartsWith("Azurite", StringComparison.OrdinalIgnoreCase)))
{
this._outputHelper.WriteLine($"Azurite is running, server: {string.Join(", ", serverValues)}");
return true;
}
this._outputHelper.WriteLine($"Azurite is not running. Status code: {response.StatusCode}");
return false;
}
catch (HttpRequestException ex)
{
this._outputHelper.WriteLine($"Azurite is not running: {ex.Message}");
return false;
}
}
private async Task<bool> IsDtsEmulatorRunningAsync()
{
this._outputHelper.WriteLine($"Checking if DTS emulator is running at http://localhost:{DtsPort}/healthz...");
using HttpClient http2Client = new()
{
DefaultRequestVersion = new Version(2, 0),
DefaultVersionPolicy = HttpVersionPolicy.RequestVersionExact
};
try
{
using CancellationTokenSource timeoutCts = new(TimeSpan.FromSeconds(30));
using HttpResponseMessage response = await http2Client.GetAsync(new Uri($"http://localhost:{DtsPort}/healthz"), timeoutCts.Token);
if (response.Content.Headers.ContentLength > 0)
{
string content = await response.Content.ReadAsStringAsync(timeoutCts.Token);
this._outputHelper.WriteLine($"DTS emulator health check response: {content}");
}
if (response.IsSuccessStatusCode)
{
this._outputHelper.WriteLine("DTS emulator is running");
return true;
}
this._outputHelper.WriteLine($"DTS emulator is not running. Status code: {response.StatusCode}");
return false;
}
catch (HttpRequestException ex)
{
this._outputHelper.WriteLine($"DTS emulator is not running: {ex.Message}");
return false;
}
}
private async Task StartDockerContainerAsync(string containerName, string image, string[] ports)
{
await this.RunCommandAsync("docker", ["stop", containerName]);
await this.RunCommandAsync("docker", ["rm", containerName]);
List<string> args = ["run", "-d", "--name", containerName];
args.AddRange(ports);
args.Add(image);
this._outputHelper.WriteLine(
$"Starting new container: {containerName} with image: {image} and ports: {string.Join(", ", ports)}");
await this.RunCommandAsync("docker", args.ToArray());
this._outputHelper.WriteLine($"Container started: {containerName}");
}
private async Task WaitForConditionAsync(Func<Task<bool>> condition, string message, TimeSpan timeout)
{
this._outputHelper.WriteLine($"Waiting for '{message}'...");
using CancellationTokenSource cancellationTokenSource = new(timeout);
while (true)
{
if (await condition())
{
return;
}
try
{
await Task.Delay(TimeSpan.FromSeconds(1), cancellationTokenSource.Token);
}
catch (OperationCanceledException) when (cancellationTokenSource.IsCancellationRequested)
{
throw new TimeoutException($"Timeout waiting for '{message}'");
}
}
}
private sealed record OutputLog(DateTime Timestamp, LogLevel Level, string Message);
private async Task RunSampleTestAsync(string samplePath, bool requiresOpenAI, Func<IReadOnlyList<OutputLog>, Task> testAction)
{
List<OutputLog> logsContainer = [];
using Process funcProcess = this.StartFunctionApp(samplePath, logsContainer, requiresOpenAI);
try
{
await this.WaitForAzureFunctionsAsync();
await testAction(logsContainer);
}
finally
{
await this.StopProcessAsync(funcProcess);
}
}
private Process StartFunctionApp(string samplePath, List<OutputLog> logs, bool requiresOpenAI)
{
ProcessStartInfo startInfo = new()
{
FileName = "dotnet",
Arguments = $"run -f {s_dotnetTargetFramework} -c {BuildConfiguration} --port {AzureFunctionsPort}",
WorkingDirectory = samplePath,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
};
if (requiresOpenAI)
{
string openAiEndpoint = s_configuration["AZURE_OPENAI_ENDPOINT"] ??
throw new InvalidOperationException("The required AZURE_OPENAI_ENDPOINT env variable is not set.");
string openAiDeployment = s_configuration["AZURE_OPENAI_CHAT_DEPLOYMENT_NAME"] ??
throw new InvalidOperationException("The required AZURE_OPENAI_CHAT_DEPLOYMENT_NAME env variable is not set.");
this._outputHelper.WriteLine($"Using Azure OpenAI endpoint: {openAiEndpoint}, deployment: {openAiDeployment}");
startInfo.EnvironmentVariables["AZURE_OPENAI_ENDPOINT"] = openAiEndpoint;
startInfo.EnvironmentVariables["AZURE_OPENAI_DEPLOYMENT"] = openAiDeployment;
}
startInfo.EnvironmentVariables["DURABLE_TASK_SCHEDULER_CONNECTION_STRING"] =
$"Endpoint=http://localhost:{DtsPort};TaskHub=default;Authentication=None";
startInfo.EnvironmentVariables["AzureWebJobsStorage"] = "UseDevelopmentStorage=true";
Process process = new() { StartInfo = startInfo };
process.ErrorDataReceived += (sender, e) =>
{
if (e.Data != null)
{
this._outputHelper.WriteLine($"[{startInfo.FileName}(err)]: {e.Data}");
lock (logs)
{
logs.Add(new OutputLog(DateTime.Now, LogLevel.Error, e.Data));
}
}
};
process.OutputDataReceived += (sender, e) =>
{
if (e.Data != null)
{
this._outputHelper.WriteLine($"[{startInfo.FileName}(out)]: {e.Data}");
lock (logs)
{
logs.Add(new OutputLog(DateTime.Now, LogLevel.Information, e.Data));
}
}
};
if (!process.Start())
{
throw new InvalidOperationException("Failed to start the function app");
}
process.BeginErrorReadLine();
process.BeginOutputReadLine();
return process;
}
private async Task WaitForAzureFunctionsAsync()
{
this._outputHelper.WriteLine(
$"Waiting for Azure Functions Core Tools to be ready at http://localhost:{AzureFunctionsPort}/...");
await this.WaitForConditionAsync(
condition: async () =>
{
try
{
using HttpRequestMessage request = new(HttpMethod.Head, $"http://localhost:{AzureFunctionsPort}/");
using HttpResponseMessage response = await s_sharedHttpClient.SendAsync(request);
this._outputHelper.WriteLine($"Azure Functions Core Tools response: {response.StatusCode}");
return response.IsSuccessStatusCode;
}
catch (HttpRequestException)
{
return false;
}
},
message: "Azure Functions Core Tools is ready",
timeout: s_functionsReadyTimeout);
}
private async Task RunCommandAsync(string command, string[] args)
{
ProcessStartInfo startInfo = new()
{
FileName = command,
Arguments = string.Join(" ", args),
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true
};
this._outputHelper.WriteLine($"Running command: {command} {string.Join(" ", args)}");
using Process process = new() { StartInfo = startInfo };
process.ErrorDataReceived += (sender, e) => this._outputHelper.WriteLine($"[{command}(err)]: {e.Data}");
process.OutputDataReceived += (sender, e) => this._outputHelper.WriteLine($"[{command}(out)]: {e.Data}");
if (!process.Start())
{
throw new InvalidOperationException("Failed to start the command");
}
process.BeginErrorReadLine();
process.BeginOutputReadLine();
using CancellationTokenSource cancellationTokenSource = new(TimeSpan.FromMinutes(1));
await process.WaitForExitAsync(cancellationTokenSource.Token);
this._outputHelper.WriteLine($"Command completed with exit code: {process.ExitCode}");
}
private async Task StopProcessAsync(Process process)
{
try
{
if (!process.HasExited)
{
this._outputHelper.WriteLine($"Killing process {process.ProcessName}#{process.Id}");
process.Kill(entireProcessTree: true);
using CancellationTokenSource timeoutCts = new(TimeSpan.FromSeconds(10));
await process.WaitForExitAsync(timeoutCts.Token);
this._outputHelper.WriteLine($"Process exited: {process.Id}");
}
}
catch (Exception ex)
{
this._outputHelper.WriteLine($"Failed to stop process: {ex.Message}");
}
}
private static string GetTargetFramework()
{
string filePath = new Uri(typeof(WorkflowSamplesValidation).Assembly.Location).LocalPath;
string directory = Path.GetDirectoryName(filePath)!;
string tfm = Path.GetFileName(directory);
if (tfm.StartsWith("net", StringComparison.OrdinalIgnoreCase))
{
return tfm;
}
throw new InvalidOperationException($"Unable to find target framework in path: {filePath}");
}
}