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Add MessageMerger regression test skeleton

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Agent-Logs-Url: https://github.com/microsoft/agent-framework/sessions/43f2a9ba-4aac-4491-89ba-8de379eefc2b

Co-authored-by: lokitoth <6936551+lokitoth@users.noreply.github.com>
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copilot-swe-agent[bot]
2026-05-13 18:55:40 +00:00
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parent bd0d6070f1
commit 175a9c3558
1 changed files with 41 additions and 0 deletions
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dotnet/tests/Microsoft.Agents.AI.Workflows.UnitTests/MessageMergerTests.cs
+41
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@@ -42,6 +42,47 @@ public class MessageMergerTests
response.FinishReason.Should().BeNull();
}
[Fact]
public void Test_MessageMerger_PreservesFunctionCallOrderingWhenToolResultHasCreatedAt()
{
// Arrange
string responseId = Guid.NewGuid().ToString("N");
string functionCallMessageId = Guid.NewGuid().ToString("N");
string functionResultMessageId = Guid.NewGuid().ToString("N");
string callId = Guid.NewGuid().ToString("N");
DateTimeOffset toolResultCreatedAt = DateTimeOffset.UtcNow;
MessageMerger merger = new();
merger.AddUpdate(new AgentResponseUpdate
{
ResponseId = responseId,
MessageId = functionCallMessageId,
AgentId = TestAgentId1,
Role = ChatRole.Assistant,
Contents = [new FunctionCallContent(callId, "handoff_to_TestAgent2")],
});
merger.AddUpdate(new AgentResponseUpdate
{
ResponseId = responseId,
MessageId = functionResultMessageId,
AgentId = TestAgentId1,
CreatedAt = toolResultCreatedAt,
Role = ChatRole.Tool,
Contents = [new FunctionResultContent(callId, "Transferred.")],
});
// Act
AgentResponse response = merger.ComputeMerged(responseId);
// Assert
response.Messages.Should().HaveCount(2);
response.Messages[0].Role.Should().Be(ChatRole.Assistant);
response.Messages[0].Contents.Should().ContainSingle().Which.Should().BeOfType<FunctionCallContent>();
response.Messages[1].Role.Should().Be(ChatRole.Tool);
response.Messages[1].Contents.Should().ContainSingle().Which.Should().BeOfType<FunctionResultContent>();
}
[Fact]
public void Test_MessageMerger_PropagatesFinishReasonFromUpdates()
{