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Add McpClient/Session methods using .Protocol types (#1063)

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Stephen Toub 2025-12-05 13:45:12 -05:00 • committed by GitHub
commit 4a84412331
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1 changed files with 1116 additions and 639 deletions
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82
tests/ModelContextProtocol.Tests/Client/McpClientTests.cs
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@ -407,7 +407,7 @@ public class McpClientTests : ClientServerTestBase
Assert.False(logger.IsEnabled(LogLevel.Error));
Assert.False(logger.IsEnabled(LogLevel.Critical));
await client.SetLoggingLevel(LoggingLevel.Info, options: null, TestContext.Current.CancellationToken);
await client.SetLoggingLevelAsync(LoggingLevel.Info, options: null, TestContext.Current.CancellationToken);
DateTime start = DateTime.UtcNow;
while (Server.LoggingLevel is null)
@ -610,4 +610,84 @@ public class McpClientTests : ClientServerTestBase
object? IChatClient.GetService(Type serviceType, object? serviceKey) => null;
void IDisposable.Dispose() { }
}
[Fact]
public async Task ListToolsAsync_WithRequestParams_ReturnsTools()
{
await using McpClient client = await CreateMcpClientForServer();
var result = await client.ListToolsAsync(new ListToolsRequestParams(), TestContext.Current.CancellationToken);
Assert.NotNull(result);
Assert.Equal(12, result.Tools.Count);
Assert.Contains(result.Tools, t => t.Name == "Method4");
}
[Fact]
public async Task ListToolsAsync_WithRequestParams_NullThrows()
{
await using McpClient client = await CreateMcpClientForServer();
await Assert.ThrowsAsync<ArgumentNullException>("requestParams",
() => client.ListToolsAsync((ListToolsRequestParams)null!, TestContext.Current.CancellationToken).AsTask());
}
[Fact]
public async Task CallToolAsync_WithRequestParams_ExecutesTool()
{
await using McpClient client = await CreateMcpClientForServer();
var result = await client.CallToolAsync(
new CallToolRequestParams
{
Name = "Method4",
Arguments = new Dictionary<string, JsonElement>
{
["i"] = JsonSerializer.SerializeToElement(42, McpJsonUtilities.DefaultOptions)
}
},
TestContext.Current.CancellationToken);
Assert.NotNull(result);
Assert.Contains("Method4 Result 42", result.Content.OfType<TextContentBlock>().FirstOrDefault()?.Text);
}
[Fact]
public async Task CallToolAsync_WithRequestParams_NullThrows()
{
await using McpClient client = await CreateMcpClientForServer();
await Assert.ThrowsAsync<ArgumentNullException>("requestParams",
() => client.CallToolAsync((CallToolRequestParams)null!, TestContext.Current.CancellationToken).AsTask());
}
[Fact]
public async Task SetLoggingLevelAsync_WithRequestParams_SetsLevel()
{
await using McpClient client = await CreateMcpClientForServer();
// Should not throw
await client.SetLoggingLevelAsync(
new SetLevelRequestParams { Level = LoggingLevel.Warning },
TestContext.Current.CancellationToken);
// Wait a bit for the server to process
DateTime start = DateTime.UtcNow;
while (Server.LoggingLevel is null)
{
await Task.Delay(1, TestContext.Current.CancellationToken);
Assert.True(DateTime.UtcNow - start < TimeSpan.FromSeconds(10), "Timed out waiting for logging level to be set");
}
Assert.Equal(LoggingLevel.Warning, Server.LoggingLevel);
}
[Fact]
public async Task SetLoggingLevelAsync_WithRequestParams_NullThrows()
{
await using McpClient client = await CreateMcpClientForServer();
await Assert.ThrowsAsync<ArgumentNullException>("requestParams",
() => client.SetLoggingLevelAsync((SetLevelRequestParams)null!, TestContext.Current.CancellationToken));
}
}