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Update tests for @modelcontextprotocol/server-everything 2026.1.26 (#1273)

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: stephentoub <2642209+stephentoub@users.noreply.github.com>
This commit is contained in:
Copilot 2026-02-17 16:49:12 -08:00 • committed by GitHub
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6 changed files with 107 additions and 78 deletions
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15
package-lock.json generated
View file

@ -1,12 +1,12 @@
{
"name": "mcp",
"name": "csharp-sdk",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"dependencies": {
"@modelcontextprotocol/conformance": "0.1.13",
"@modelcontextprotocol/server-everything": "2025.12.18",
"@modelcontextprotocol/server-everything": "2026.1.26",
"@modelcontextprotocol/server-memory": "2026.1.26"
}
},
@ -82,12 +82,12 @@
}
},
"node_modules/@modelcontextprotocol/server-everything": {
"version": "2025.12.18",
"resolved": "https://registry.npmjs.org/@modelcontextprotocol/server-everything/-/server-everything-2025.12.18.tgz",
"integrity": "sha512-S+MYITzTp02eLSxT+abAMDXf2vjubVKUbdjVj5HW9aEepa/lkcdcSZHeI8PpxpnZOQOW28FKGyFEG/QdawyAeA==",
"version": "2026.1.26",
"resolved": "https://registry.npmjs.org/@modelcontextprotocol/server-everything/-/server-everything-2026.1.26.tgz",
"integrity": "sha512-RIEXAQuKZeXZqFzJMqLDlzmMmG5sjq2uhS/VqzF4HIZ3w1V73YcWf+UXkxJueJuHMBO3Z8ceBrQ5wI6o/plZ+Q==",
"license": "MIT",
"dependencies": {
"@modelcontextprotocol/sdk": "^1.24.0",
"@modelcontextprotocol/sdk": "^1.25.2",
"cors": "^2.8.5",
"express": "^5.2.1",
"jszip": "^3.10.1",
@ -430,6 +430,7 @@
"resolved": "https://registry.npmjs.org/express/-/express-5.2.1.tgz",
"integrity": "sha512-hIS4idWWai69NezIdRt2xFVofaF4j+6INOpJlVOLDO8zXGpUVEVzIYk12UUi2JzjEzWL3IOAxcTubgz9Po0yXw==",
"license": "MIT",
"peer": true,
"dependencies": {
"accepts": "^2.0.0",
"body-parser": "^2.2.1",
@ -634,6 +635,7 @@
"resolved": "https://registry.npmjs.org/hono/-/hono-4.11.7.tgz",
"integrity": "sha512-l7qMiNee7t82bH3SeyUCt9UF15EVmaBvsppY2zQtrbIhl/yzBTny+YUxsVjSjQ6gaqaeVtZmGocom8TzBlA4Yw==",
"license": "MIT",
"peer": true,
"engines": {
"node": ">=16.9.0"
}
@ -1294,6 +1296,7 @@
"resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
"integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
"license": "MIT",
"peer": true,
"funding": {
"url": "https://github.com/sponsors/colinhacks"
}

2
package.json
View file

@ -3,7 +3,7 @@
"description": "Pinned npm dependencies for MCP C# SDK integration and conformance tests",
"dependencies": {
"@modelcontextprotocol/conformance": "0.1.13",
"@modelcontextprotocol/server-everything": "2025.12.18",
"@modelcontextprotocol/server-everything": "2026.1.26",
"@modelcontextprotocol/server-memory": "2026.1.26"
}
}

71
tests/ModelContextProtocol.TestServer/Program.cs
View file

@ -142,8 +142,8 @@ internal static class Program
},
new Tool
{
Name = "sampleLLM",
Description = "Samples from an LLM using MCP's sampling feature.",
Name = "trigger-sampling-request",
Description = "Trigger a Request from the Server for LLM Sampling",
InputSchema = JsonElement.Parse("""
{
"type": "object",
@ -205,7 +205,7 @@ internal static class Program
Content = [new TextContentBlock { Text = request.Server.SessionId ?? string.Empty }]
};
}
else if (request.Params?.Name == "sampleLLM")
else if (request.Params?.Name == "trigger-sampling-request")
{
if (request.Params?.Arguments is null ||
!request.Params.Arguments.TryGetValue("prompt", out var prompt) ||
@ -213,7 +213,7 @@ internal static class Program
{
throw new McpProtocolException("Missing required arguments 'prompt' and 'maxTokens'", McpErrorCode.InvalidParams);
}
var sampleResult = await request.Server.SampleAsync(CreateRequestSamplingParams(prompt.ToString(), "sampleLLM", Convert.ToInt32(maxTokens.GetRawText())),
var sampleResult = await request.Server.SampleAsync(CreateRequestSamplingParams(prompt.ToString(), "trigger-sampling-request", Convert.ToInt32(maxTokens.GetRawText())),
cancellationToken: cancellationToken);
return new CallToolResult
@ -257,28 +257,48 @@ internal static class Program
Prompts = [
new Prompt
{
Name = "simple_prompt",
Name = "simple-prompt",
Description = "A prompt without arguments"
},
new Prompt
{
Name = "complex_prompt",
Name = "args-prompt",
Description = "A prompt with arguments",
Arguments =
[
new PromptArgument
{
Name = "temperature",
Description = "Temperature setting",
Name = "city",
Description = "Name of the city",
Required = true
},
new PromptArgument
{
Name = "style",
Description = "Output style",
Name = "state",
Description = "Name of the state",
Required = false
}
]
},
new Prompt
{
Name = "completable-prompt",
Description = "A prompt with completable arguments",
Arguments =
[
new PromptArgument
{
Name = "department",
Description = "Choose the department",
Required = true
},
new PromptArgument
{
Name = "name",
Description = "Choose a team member",
Required = true
}
]
}
]
};
@ -287,7 +307,7 @@ internal static class Program
options.Handlers.GetPromptHandler = async (request, cancellationToken) =>
{
List<PromptMessage> messages = [];
if (request.Params?.Name == "simple_prompt")
if (request.Params?.Name == "simple-prompt")
{
messages.Add(new PromptMessage
{
@ -295,28 +315,25 @@ internal static class Program
Content = new TextContentBlock { Text = "This is a simple prompt without arguments." },
});
}
else if (request.Params?.Name == "complex_prompt")
else if (request.Params?.Name == "args-prompt")
{
string temperature = request.Params.Arguments?["temperature"].ToString() ?? "unknown";
string style = request.Params.Arguments?["style"].ToString() ?? "unknown";
string city = request.Params.Arguments?["city"].ToString() ?? "unknown";
string state = request.Params.Arguments?["state"].ToString() ?? "";
string location = !string.IsNullOrEmpty(state) ? $"{city}, {state}" : city;
messages.Add(new PromptMessage
{
Role = Role.User,
Content = new TextContentBlock { Text = $"This is a complex prompt with arguments: temperature={temperature}, style={style}" },
});
messages.Add(new PromptMessage
{
Role = Role.Assistant,
Content = new TextContentBlock { Text = "I understand. You've provided a complex prompt with temperature and style arguments. How would you like me to proceed?" },
Content = new TextContentBlock { Text = $"What's weather in {location}?" },
});
}
else if (request.Params?.Name == "completable-prompt")
{
string department = request.Params.Arguments?["department"].ToString() ?? "unknown";
string name = request.Params.Arguments?["name"].ToString() ?? "unknown";
messages.Add(new PromptMessage
{
Role = Role.User,
Content = new ImageContentBlock
{
Data = MCP_TINY_IMAGE,
MimeType = "image/png"
}
Content = new TextContentBlock { Text = $"Please promote {name} to the head of the {department} team." },
});
}
else
@ -516,8 +533,8 @@ internal static class Program
List<string> sampleResourceIds = ["1", "2", "3", "4", "5"];
Dictionary<string, List<string>> exampleCompletions = new()
{
{"style", ["casual", "formal", "technical", "friendly"]},
{"temperature", ["0", "0.5", "0.7", "1.0"]},
{"department", ["Engineering", "Sales", "Marketing", "Support"]},
{"name", ["Alice", "Bob", "Charlie"]},
};
options.Handlers.CompleteHandler = async (request, cancellationToken) =>

2
tests/ModelContextProtocol.Tests/ClientIntegrationTestFixture.cs
View file

@ -15,7 +15,7 @@ public class ClientIntegrationTestFixture
public ClientIntegrationTestFixture()
{
const string ServerEverythingVersion = "2025.12.18";
const string ServerEverythingVersion = "2026.1.26";
EverythingServerTransportOptions = new()
{

91
tests/ModelContextProtocol.Tests/ClientIntegrationTests.cs
View file

@ -53,11 +53,7 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
Assert.NotNull(client.ServerCapabilities);
Assert.NotNull(client.ServerInfo);
Assert.NotNull(client.NegotiatedProtocolVersion);
if (clientId != "everything") // Note: Comment the below assertion back when the everything server is updated to provide instructions
{
Assert.NotNull(client.ServerInstructions);
}
Assert.NotNull(client.ServerInstructions);
Assert.Null(client.SessionId);
}
@ -146,8 +142,8 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
// assert
Assert.NotEmpty(prompts);
// We could add specific assertions for the known prompts
Assert.Contains(prompts, p => p.Name == "simple_prompt");
Assert.Contains(prompts, p => p.Name == "complex_prompt");
Assert.Contains(prompts, p => p.Name == "simple-prompt");
Assert.Contains(prompts, p => p.Name == "args-prompt");
}
[Theory]
@ -158,7 +154,7 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
// act
await using var client = await _fixture.CreateClientAsync(clientId);
var result = await client.GetPromptAsync("simple_prompt", null, cancellationToken: TestContext.Current.CancellationToken);
var result = await client.GetPromptAsync("simple-prompt", null, cancellationToken: TestContext.Current.CancellationToken);
// assert
Assert.NotNull(result);
@ -175,10 +171,10 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
await using var client = await _fixture.CreateClientAsync(clientId);
var arguments = new Dictionary<string, object?>
{
{ "temperature", "0.7" },
{ "style", "formal" }
{ "city", "Seattle" },
{ "state", "WA" }
};
var result = await client.GetPromptAsync("complex_prompt", arguments, cancellationToken: TestContext.Current.CancellationToken);
var result = await client.GetPromptAsync("args-prompt", arguments, cancellationToken: TestContext.Current.CancellationToken);
// assert
Assert.NotNull(result);
@ -208,8 +204,8 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
IList<McpClientResourceTemplate> allResourceTemplates = await client.ListResourceTemplatesAsync(cancellationToken: TestContext.Current.CancellationToken);
// The server provides a single test resource template
Assert.Single(allResourceTemplates);
// The server provides test resource templates
Assert.NotEmpty(allResourceTemplates);
}
[Theory]
@ -223,8 +219,8 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
IList<McpClientResource> allResources = await client.ListResourcesAsync(cancellationToken: TestContext.Current.CancellationToken);
// The server provides 100 test resources
Assert.Equal(100, allResources.Count);
// The server provides test resources
Assert.NotEmpty(allResources);
}
[Theory]
@ -235,27 +231,29 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
// act
await using var client = await _fixture.CreateClientAsync(clientId);
// 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
var result = await client.ReadResourceAsync("test://static/resource/1", null, TestContext.Current.CancellationToken);
// Get available resources and read one that is text
var resources = await client.ListResourcesAsync(cancellationToken: TestContext.Current.CancellationToken);
var textResource = resources.First(r => r.MimeType?.StartsWith("text/", StringComparison.Ordinal) is true);
var result = await client.ReadResourceAsync(textResource.Uri, null, TestContext.Current.CancellationToken);
Assert.NotNull(result);
Assert.Single(result.Contents);
TextResourceContents textResource = Assert.IsType<TextResourceContents>(result.Contents[0]);
Assert.NotNull(textResource.Text);
TextResourceContents textContent = Assert.IsType<TextResourceContents>(result.Contents[0]);
Assert.NotNull(textContent.Text);
}
[Theory]
[MemberData(nameof(GetClients))]
public async Task ReadResource_Stdio_BinaryResource(string clientId)
// The latest "everything" server only exposes text-based file resources in its resource list;
// binary resources are available via resource templates but not in the listed resources.
[Fact]
public async Task ReadResource_Stdio_BinaryResource()
{
// arrange
var clientId = "test_server";
// act
await using var client = await _fixture.CreateClientAsync(clientId);
// 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
// Read a binary resource from the test server
var result = await client.ReadResourceAsync("test://static/resource/2", null, TestContext.Current.CancellationToken);
Assert.NotNull(result);
@ -336,9 +334,11 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
// act
await using var client = await _fixture.CreateClientAsync(clientId);
var templates = await client.ListResourceTemplatesAsync(cancellationToken: TestContext.Current.CancellationToken);
var template = templates.First();
var result = await client.CompleteAsync(
new ResourceTemplateReference { Uri = "test://static/resource/1" },
"argument_name", "1",
new ResourceTemplateReference { Uri = template.UriTemplate },
"resourceId", "1",
cancellationToken: TestContext.Current.CancellationToken
);
@ -356,14 +356,14 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
// act
await using var client = await _fixture.CreateClientAsync(clientId);
var result = await client.CompleteAsync(
new PromptReference { Name = "irrelevant" },
argumentName: "style", argumentValue: "fo",
new PromptReference { Name = "completable-prompt" },
argumentName: "department", argumentValue: "Eng",
cancellationToken: TestContext.Current.CancellationToken
);
Assert.NotNull(result);
Assert.Single(result.Completion.Values);
Assert.Equal("formal", result.Completion.Values[0]);
Assert.Equal("Engineering", result.Completion.Values[0]);
}
[Theory]
@ -389,9 +389,9 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
}
});
// Call the server's sampleLLM tool which should trigger our sampling handler
// Call the server's trigger-sampling-request tool which should trigger our sampling handler
var result = await client.CallToolAsync(
"sampleLLM",
"trigger-sampling-request",
new Dictionary<string, object?>
{
["prompt"] = "Test prompt",
@ -536,7 +536,7 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
}
}, cancellationToken: TestContext.Current.CancellationToken);
var result = await client.CallToolAsync("sampleLLM", new Dictionary<string, object?>()
var result = await client.CallToolAsync("trigger-sampling-request", new Dictionary<string, object?>()
{
["prompt"] = "In just a few words, what is the most famous tower in Paris?",
}, cancellationToken: TestContext.Current.CancellationToken);
@ -575,6 +575,12 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
// act
await client.SetLoggingLevelAsync(LoggingLevel.Debug, options: null, TestContext.Current.CancellationToken);
if (clientId == "everything")
{
// The everything server requires calling the toggle-simulated-logging tool to start sending log messages
await client.CallToolAsync("toggle-simulated-logging", new Dictionary<string, object?>(), cancellationToken: TestContext.Current.CancellationToken);
}
// assert
await receivedNotification.Task;
}
@ -602,7 +608,7 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
Assert.NotNull(result);
Assert.NotEmpty(result.Prompts);
Assert.Contains(result.Prompts, p => p.Name == "simple_prompt");
Assert.Contains(result.Prompts, p => p.Name == "simple-prompt");
}
[Theory]
@ -612,7 +618,7 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
await using var client = await _fixture.CreateClientAsync(clientId);
var result = await client.GetPromptAsync(
new GetPromptRequestParams { Name = "simple_prompt" },
new GetPromptRequestParams { Name = "simple-prompt" },
TestContext.Current.CancellationToken);
Assert.NotNull(result);
@ -630,7 +636,7 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
TestContext.Current.CancellationToken);
Assert.NotNull(result);
Assert.Single(result.ResourceTemplates);
Assert.NotEmpty(result.ResourceTemplates);
}
[Theory]
@ -644,7 +650,7 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
TestContext.Current.CancellationToken);
Assert.NotNull(result);
// Low-level API returns only one page; the server provides 100 resources but paginates
// Low-level API returns only one page; the server provides resources but paginates
Assert.NotEmpty(result.Resources);
Assert.True(result.Resources.Count <= 100);
}
@ -655,8 +661,11 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
{
await using var client = await _fixture.CreateClientAsync(clientId);
// Get available resources and read the first one
var resources = await client.ListResourcesAsync(cancellationToken: TestContext.Current.CancellationToken);
var resource = resources.First();
var result = await client.ReadResourceAsync(
new ReadResourceRequestParams { Uri = "test://static/resource/1" },
new ReadResourceRequestParams { Uri = resource.Uri },
TestContext.Current.CancellationToken);
Assert.NotNull(result);
@ -672,14 +681,14 @@ public partial class ClientIntegrationTests : LoggedTest, IClassFixture<ClientIn
var result = await client.CompleteAsync(
new CompleteRequestParams
{
Ref = new PromptReference { Name = "irrelevant" },
Argument = new Argument { Name = "style", Value = "fo" }
Ref = new PromptReference { Name = "completable-prompt" },
Argument = new Argument { Name = "department", Value = "Eng" }
},
TestContext.Current.CancellationToken);
Assert.NotNull(result);
Assert.Single(result.Completion.Values);
Assert.Equal("formal", result.Completion.Values[0]);
Assert.Equal("Engineering", result.Completion.Values[0]);
}
[Theory]

4
tests/ModelContextProtocol.Tests/DockerEverythingServerTests.cs
View file

@ -93,8 +93,8 @@ public class DockerEverythingServerTests(ITestOutputHelper testOutputHelper) : L
loggerFactory: LoggerFactory,
cancellationToken: TestContext.Current.CancellationToken);
// Call the server's sampleLLM tool which should trigger our sampling handler
var result = await client.CallToolAsync("sampleLLM", new Dictionary<string, object?>
// Call the server's trigger-sampling-request tool which should trigger our sampling handler
var result = await client.CallToolAsync("trigger-sampling-request", new Dictionary<string, object?>
{
["prompt"] = "Test prompt",
["maxTokens"] = 100