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Add WriteResponseHeadersAsync test #2452

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merged 2 commits into from
Jun 6, 2024
Merged

Add WriteResponseHeadersAsync test #2452

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a74a629
Add WriteResponseHeadersAsync test
JamesNK Jun 5, 2024
49022ef
Update test/FunctionalTests/Client/UnaryTests.cs
JamesNK Jun 6, 2024
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31 changes: 30 additions & 1 deletion test/FunctionalTests/Client/UnaryTests.cs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
#region Copyright notice and license
#region Copyright notice and license

// Copyright 2019 The gRPC Authors
//
Expand Down Expand Up @@ -68,6 +68,35 @@ Task<HelloReply> UnaryThrowError(HelloRequest request, ServerCallContext context
StringAssert.StartsWith("Failed to deserialize response message.", call.GetStatus().Detail);
}

[Test]
public async Task WriteResponseHeadersAsync_HeadersSentEarly()
{
var tcs = new TaskCompletionSource<HelloReply>(TaskCreationOptions.RunContinuationsAsynchronously);

async Task<HelloReply> UnaryThrowError(HelloRequest request, ServerCallContext context)
{
await context.WriteResponseHeadersAsync(new Metadata
{
new Metadata.Entry("key", "value")
});

return await tcs.Task;
}

// Arrange
var method = Fixture.DynamicGrpc.AddUnaryMethod<HelloRequest, HelloReply>(UnaryThrowError);
var channel = CreateChannel();
var client = TestClientFactory.Create(channel, method);

// Act
var call = client.UnaryCall(new HelloRequest());

// Assert
var headers = await call.ResponseHeadersAsync.DefaultTimeout();
Assert.AreEqual("value", headers.GetValue("key"));
Assert.IsFalse(call.ResponseAsync.IsCompleted);
}
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[TestCase("fr", "fr")]
[TestCase(null, "en-US")]
public async Task Unary_SetAcceptLanguage_ServerCultureChanged(string clientAcceptLanguage, string expectedServerCulture)
Expand Down