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Add AspNetCoreSseServer sample (#81)

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* Add AspNetCoreSseMcpTransport sample

* Fix build errors after rebase

* React to McpServerFactory changes

* Make Utf8JsonWriter non thread static

* Fix test errors caused by not rebasing the HttpLister changes on factory overhaul commit
This commit is contained in:
Stephen Halter 2025-03-18 03:56:44 -07:00 • committed by GitHub
commit 90dfc35fbd
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1 changed files with 635 additions and 332 deletions
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64
tests/mcpdotnet.Tests/SseServerIntegrationTests.cs
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@ -12,13 +12,21 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
_fixture = fixture;
}
private Task<IMcpClient> GetClientAsync(McpClientOptions? options = null)
{
return McpClientFactory.CreateAsync(
_fixture.DefaultConfig,
options ?? _fixture.DefaultOptions,
loggerFactory: _fixture.LoggerFactory);
}
[Fact]
public async Task ConnectAndPing_Sse_TestServer()
{
// Arrange
// Act
var client = await _fixture.Factory.GetClientAsync("test_server");
var client = await GetClientAsync();
await client.PingAsync(CancellationToken.None);
// Assert
@ -31,7 +39,7 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
// Arrange
// Act
var client = await _fixture.Factory.GetClientAsync("test_server");
var client = await GetClientAsync();
// Assert
Assert.NotNull(client.ServerCapabilities);
@ -44,7 +52,7 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
// arrange
// act
var client = await _fixture.Factory.GetClientAsync("test_server");
var client = await GetClientAsync();
var tools = await client.ListToolsAsync().ToListAsync();
// assert
@ -57,7 +65,7 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
// arrange
// act
var client = await _fixture.Factory.GetClientAsync("test_server");
var client = await GetClientAsync();
var result = await client.CallToolAsync(
"echo",
new Dictionary<string, object>
@ -80,7 +88,7 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
// arrange
// act
var client = await _fixture.Factory.GetClientAsync("test_server");
var client = await GetClientAsync();
List<Resource> allResources = [];
string? cursor = null;
@ -102,7 +110,7 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
// arrange
// act
var client = await _fixture.Factory.GetClientAsync("test_server");
var client = await GetClientAsync();
// Odd numbered resources are text in the everything server (despite the docs saying otherwise)
// 1 is index 0, which is "even" in the 0-based index
// We copied this oddity to the test server
@ -119,7 +127,7 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
// arrange
// act
var client = await _fixture.Factory.GetClientAsync("test_server");
var client = await GetClientAsync();
// Even numbered resources are binary in the everything server (despite the docs saying otherwise)
// 2 is index 1, which is "odd" in the 0-based index
// We copied this oddity to the test server
@ -136,7 +144,7 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
// arrange
// act
var client = await _fixture.Factory.GetClientAsync("test_server");
var client = await GetClientAsync();
var prompts = await client.ListPromptsAsync().ToListAsync();
// assert
@ -153,7 +161,7 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
// arrange
// act
var client = await _fixture.Factory.GetClientAsync("test_server");
var client = await GetClientAsync();
var result = await client.GetPromptAsync("simple_prompt", null, CancellationToken.None);
// assert
@ -167,7 +175,7 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
// arrange
// act
var client = await _fixture.Factory.GetClientAsync("test_server");
var client = await GetClientAsync();
var arguments = new Dictionary<string, object>
{
{ "temperature", "0.7" },
@ -186,7 +194,7 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
// arrange
// act
var client = await _fixture.Factory.GetClientAsync("test_server");
var client = await GetClientAsync();
await Assert.ThrowsAsync<McpClientException>(() =>
client.GetPromptAsync("non_existent_prompt", null, CancellationToken.None));
}
@ -194,26 +202,34 @@ public class SseServerIntegrationTests : IClassFixture<SseServerIntegrationTestF
[Fact]
public async Task Sampling_Sse_TestServer()
{
// arrange
var client = await _fixture.Factory.GetClientAsync("test_server");
// arrange
// Set up the sampling handler
int samplingHandlerCalls = 0;
#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously
client.SetSamplingHandler(async (_, _) =>
var options = _fixture.DefaultOptions with
{
samplingHandlerCalls++;
return new CreateMessageResult
Capabilities = new()
{
Model = "test-model",
Role = "assistant",
Content = new Content
Sampling = new()
{
Type = "text",
Text = "Test response"
SamplingHandler = async (_, _) =>
{
samplingHandlerCalls++;
return new CreateMessageResult
{
Model = "test-model",
Role = "assistant",
Content = new Content
{
Type = "text",
Text = "Test response"
}
};
}
}
};
});
}
};
var client = await GetClientAsync(options);
#pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
// Call the server's sampleLLM tool which should trigger our sampling handler