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Fix process crash when testing Stderr (#1449)

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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
Eric StJohn 2026-04-06 11:29:00 -07:00 • committed by GitHub
commit 2e7209c35a
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1 changed files with 254 additions and 148 deletions
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149
tests/ModelContextProtocol.ConformanceClient/Program.cs
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@ -105,85 +105,96 @@ var clientTransport = new HttpClientTransport(new()
OAuth = oauthOptions,
}, loggerFactory: consoleLoggerFactory);
await using var mcpClient = await McpClient.CreateAsync(clientTransport, options, loggerFactory: consoleLoggerFactory);
bool success = true;
switch (scenario)
try
{
case "tools_call":
{
var tools = await mcpClient.ListToolsAsync();
Console.WriteLine($"Available tools: {string.Join(", ", tools.Select(t => t.Name))}");
await using var mcpClient = await McpClient.CreateAsync(clientTransport, options, loggerFactory: consoleLoggerFactory);
// Call the "add_numbers" tool
var toolName = "add_numbers";
Console.WriteLine($"Calling tool: {toolName}");
var result = await mcpClient.CallToolAsync(toolName: toolName, arguments: new Dictionary<string, object?>
{
{ "a", 5 },
{ "b", 10 }
});
success &= !(result.IsError == true);
break;
}
case "elicitation-sep1034-client-defaults":
{
var tools = await mcpClient.ListToolsAsync();
Console.WriteLine($"Available tools: {string.Join(", ", tools.Select(t => t.Name))}");
var toolName = "test_client_elicitation_defaults";
Console.WriteLine($"Calling tool: {toolName}");
var result = await mcpClient.CallToolAsync(toolName: toolName, arguments: new Dictionary<string, object?>());
success &= !(result.IsError == true);
break;
}
case "sse-retry":
{
var tools = await mcpClient.ListToolsAsync();
Console.WriteLine($"Available tools: {string.Join(", ", tools.Select(t => t.Name))}");
var toolName = "test_reconnection";
Console.WriteLine($"Calling tool: {toolName}");
var result = await mcpClient.CallToolAsync(toolName: toolName, arguments: new Dictionary<string, object?>());
success &= !(result.IsError == true);
break;
}
case "auth/scope-step-up":
{
// Just testing that we can authenticate and list tools
var tools = await mcpClient.ListToolsAsync();
Console.WriteLine($"Available tools: {string.Join(", ", tools.Select(t => t.Name))}");
bool success = true;
// Call the "test_tool" tool
var toolName = "test-tool";
Console.WriteLine($"Calling tool: {toolName}");
var result = await mcpClient.CallToolAsync(toolName: toolName, arguments: new Dictionary<string, object?>
{
{ "foo", "bar" },
});
success &= !(result.IsError == true);
break;
}
case "auth/scope-retry-limit":
switch (scenario)
{
// Try to list tools - this triggers the auth flow that always fails with 403.
// The test validates the client doesn't retry indefinitely.
try
case "tools_call":
{
await mcpClient.ListToolsAsync();
var tools = await mcpClient.ListToolsAsync();
Console.WriteLine($"Available tools: {string.Join(", ", tools.Select(t => t.Name))}");
// Call the "add_numbers" tool
var toolName = "add_numbers";
Console.WriteLine($"Calling tool: {toolName}");
var result = await mcpClient.CallToolAsync(toolName: toolName, arguments: new Dictionary<string, object?>
{
{ "a", 5 },
{ "b", 10 }
});
success &= !(result.IsError == true);
break;
}
catch (Exception ex)
case "elicitation-sep1034-client-defaults":
{
Console.WriteLine($"Expected auth failure: {ex.Message}");
var tools = await mcpClient.ListToolsAsync();
Console.WriteLine($"Available tools: {string.Join(", ", tools.Select(t => t.Name))}");
var toolName = "test_client_elicitation_defaults";
Console.WriteLine($"Calling tool: {toolName}");
var result = await mcpClient.CallToolAsync(toolName: toolName, arguments: new Dictionary<string, object?>());
success &= !(result.IsError == true);
break;
}
break;
case "sse-retry":
{
var tools = await mcpClient.ListToolsAsync();
Console.WriteLine($"Available tools: {string.Join(", ", tools.Select(t => t.Name))}");
var toolName = "test_reconnection";
Console.WriteLine($"Calling tool: {toolName}");
var result = await mcpClient.CallToolAsync(toolName: toolName, arguments: new Dictionary<string, object?>());
success &= !(result.IsError == true);
break;
}
case "auth/scope-step-up":
{
// Just testing that we can authenticate and list tools
var tools = await mcpClient.ListToolsAsync();
Console.WriteLine($"Available tools: {string.Join(", ", tools.Select(t => t.Name))}");
// Call the "test_tool" tool
var toolName = "test-tool";
Console.WriteLine($"Calling tool: {toolName}");
var result = await mcpClient.CallToolAsync(toolName: toolName, arguments: new Dictionary<string, object?>
{
{ "foo", "bar" },
});
success &= !(result.IsError == true);
break;
}
case "auth/scope-retry-limit":
{
// Try to list tools - this triggers the auth flow that always fails with 403.
// The test validates the client doesn't retry indefinitely.
try
{
await mcpClient.ListToolsAsync();
}
catch (Exception ex)
{
Console.WriteLine($"Expected auth failure: {ex.Message}");
}
break;
}
default:
// No extra processing for other scenarios
break;
}
default:
// No extra processing for other scenarios
break;
// Exit code 0 on success, 1 on failure
return success ? 0 : 1;
}
catch (Exception ex)
{
// Report the error to stderr and exit with a non-zero code rather than
// crashing the process with an unhandled exception. An unhandled exception
// generates a crash dump which can abort the parent test host.
Console.Error.WriteLine($"Conformance client failed: {ex}");
return 1;
}
// Exit code 0 on success, 1 on failure
return success ? 0 : 1;
// Copied from ProtectedMcpClient sample
// Simulate a user opening the browser and logging in