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test: Add unit tests

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This commit is contained in:
Jacob Alber
2026-04-16 13:28:35 -04:00
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parent c672627aaf
commit 14c8683d94
1 changed files with 48 additions and 0 deletions
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dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/AgentWorkflowBuilderTests.cs
+48
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@@ -3,6 +3,7 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Text;
using System.Text.Json;
@@ -11,7 +12,9 @@ using System.Threading;
using System.Threading.Tasks;
using FluentAssertions;
using Microsoft.Agents.AI.Workflows.InProc;
using Microsoft.Agents.AI.Workflows.Specialized;
using Microsoft.Extensions.AI;
using Microsoft.Extensions.Logging;
#pragma warning disable SYSLIB1045 // Use GeneratedRegex
#pragma warning disable RCS1186 // Use Regex instance instead of static method
@@ -52,6 +55,51 @@ public class AgentWorkflowBuilderTests
var noDescriptionAgent = new ChatClientAgent(new MockChatClient(delegate { return new(); }));
Assert.Throws<ArgumentException>("to", () => handoffs.WithHandoff(agent, noDescriptionAgent));
var emptyDescriptionAgent = new MockChatClient(delegate { return new(); }).AsAIAgent(description: "");
Assert.Throws<ArgumentException>("to", () => handoffs.WithHandoff(agent, emptyDescriptionAgent));
var emptyNameAgent = new MockChatClient(delegate { return new(); }).AsAIAgent(name: "");
Assert.Throws<ArgumentException>("to", () => handoffs.WithHandoff(agent, emptyNameAgent));
}
private sealed class NullLogger : ILogger
{
public IDisposable? BeginScope<TState>(TState state) where TState : notnull
{
return null;
}
public bool IsEnabled(LogLevel logLevel)
{
return false;
}
public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception? exception, Func<TState, Exception?, string> formatter)
{
}
}
[Fact]
public void BuildHandoffs_DelegatingAIAgent_DoesNotThrow()
{
DoubleEchoAgent agent = new("agent");
HandoffWorkflowBuilder handoffs = AgentWorkflowBuilder.CreateHandoffBuilderWith(agent);
Assert.NotNull(handoffs);
ChatClientAgent instructionsOnlyAgent = new MockChatClient(delegate { return new(); }).AsAIAgent(instructions: "instructions");
LoggingAgent delegatingAgent = new(instructionsOnlyAgent, new NullLogger());
handoffs.WithHandoff(agent, delegatingAgent);
// get the _targets field from the HandoffWorkflowBuilder (need to use the base type)
FieldInfo field = typeof(HandoffWorkflowBuilder).BaseType!.GetField("_targets", BindingFlags.Instance | BindingFlags.NonPublic)!;
Dictionary<AIAgent, HashSet<HandoffTarget>>? targets = field.GetValue(handoffs) as Dictionary<AIAgent, HashSet<HandoffTarget>>;
targets.Should().NotBeNull();
HandoffTarget target = targets[agent].Single();
target.Reason.Should().Be("instructions");
}
[Fact]