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.NET: Update Workflow Input/Output Redesign (#881)

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* feat: Make Executor id field mandatory

When checkpointing is involved, it is critical to keep executor ids consistent between runs, even when recreating a new object tree for the workflow.

The default id-setting mechanism generated a guid for part of the id, making it not work when restoring from a checkpoint.

This change prevents this situation from arising.

* feat: Enable running untyped Workflows

With the change to enable delay-instantiation of executors and support for async Executor factory methods, we must instantiate the starting executor to know what are the valid input types for the workflow.

To avoid forcing instantiation every time, and to better support workflows with multiple input types, we enable support for build and interacting with the base Workflow type without type annotations, and remove the requirement to know a valid input type when initiating a run.

* feat: Support Output from any executor and multiple outputs.
This commit is contained in:
Jacob Alber
2025-09-25 02:03:22 +00:00
committed by GitHub
parent 03ef7f054f
commit 39e071c430
89 changed files with 1413 additions and 998 deletions
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dotnet/tests/Microsoft.Agents.Workflows.UnitTests/JsonSerializationTests.cs
+17 -12
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@@ -8,6 +8,7 @@ using System.Linq.Expressions;
using System.Text.Json;
using System.Text.Json.Serialization.Metadata;
using System.Threading;
using System.Threading.Tasks;
using FluentAssertions;
using Microsoft.Agents.Workflows.Checkpointing;
using Microsoft.Agents.Workflows.Execution;
@@ -154,7 +155,7 @@ public class JsonSerializationTests
private static InputPortInfo IntToString => InputPort.Create<int, string>(IntToStringId).ToPortInfo();
private static InputPortInfo StringToInt => InputPort.Create<string, int>(StringToIntId).ToPortInfo();
private static Workflow<string, int> CreateTestWorkflow()
private static ValueTask<Workflow<string>> CreateTestWorkflowAsync()
{
ForwardMessageExecutor<string> forwardString = new(ForwardStringId);
ForwardMessageExecutor<int> forwardInt = new(ForwardIntId);
@@ -165,14 +166,17 @@ public class JsonSerializationTests
WorkflowBuilder builder = new(forwardString);
builder.AddEdge(forwardString, stringToInt)
.AddEdge(stringToInt, forwardInt)
.AddEdge(forwardInt, intToString);
.AddEdge(forwardInt, intToString)
.AddEdge(intToString, StreamingAggregators.Last<int>().AsExecutor("Aggregate"));
return builder.BuildWithOutput<string, int, int>(
intToString,
StreamingAggregators.Last<int>(), (_, __) => true);
return builder.BuildAsync<string>();
}
private static WorkflowInfo TestWorkflowInfo => CreateTestWorkflow().ToWorkflowInfo();
private static async ValueTask<WorkflowInfo> CreateTestWorkflowInfoAsync()
{
Workflow<string> testWorkflow = await CreateTestWorkflowAsync().ConfigureAwait(false);
return testWorkflow.ToWorkflowInfo();
}
private static void ValidateWorkflowInfo(WorkflowInfo actual, WorkflowInfo prototype)
{
@@ -182,8 +186,8 @@ public class JsonSerializationTests
actual.InputType.Should().Match(prototype.InputType.CreateValidator());
actual.StartExecutorId.Should().Be(prototype.StartExecutorId);
actual.OutputType.Should().NotBeNull().And.Match(prototype.OutputType!.CreateValidator());
actual.OutputCollectorId.Should().NotBeNull().And.Be(prototype.OutputCollectorId);
actual.OutputExecutorIds.Should().HaveCount(prototype.OutputExecutorIds.Count)
.And.AllSatisfy(id => prototype.OutputExecutorIds.Contains(id));
void ValidateExecutorDictionary(Dictionary<string, ExecutorInfo> expected,
Dictionary<string, List<EdgeInfo>> expectedEdges,
@@ -226,9 +230,9 @@ public class JsonSerializationTests
}
[Fact]
public void Test_WorkflowInfo_JsonRoundtrip()
public async Task Test_WorkflowInfo_JsonRoundtripAsync()
{
WorkflowInfo prototype = TestWorkflowInfo;
WorkflowInfo prototype = await CreateTestWorkflowInfoAsync();
JsonMarshaller marshaller = new();
@@ -634,9 +638,10 @@ public class JsonSerializationTests
private static CheckpointInfo TestParentCheckpointInfo => new(s_runId, s_parentCheckpointId);
[Fact]
public void Test_Checkpoint_JsonRoundTrip()
public async Task Test_Checkpoint_JsonRoundTripAsync()
{
Checkpoint prototype = new(12, TestWorkflowInfo, TestRunnerStateData, TestStateData, TestEdgeState, TestParentCheckpointInfo);
WorkflowInfo testWorkflowInfo = await CreateTestWorkflowInfoAsync();
Checkpoint prototype = new(12, testWorkflowInfo, TestRunnerStateData, TestStateData, TestEdgeState, TestParentCheckpointInfo);
Checkpoint result = RunJsonRoundtrip(prototype, TestCustomSerializedJsonOptions);
result.Should().Match((Checkpoint checkpoint) => checkpoint.StepNumber == prototype.StepNumber);