Add StreamableHttpClientTest with test infrastructure setup and dependencies
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,61 @@ | ||
| import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension | ||
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| /** | ||
| * Netty convention plugin that adds platform-specific Netty native transport libraries | ||
| * to the jvmTest source set. This is similar to how Maven handles OS-specific dependencies | ||
| * with profile activation. | ||
| * | ||
| * This plugin should be applied to any module that uses Netty for testing. | ||
| */ | ||
| val nettyVersion = "4.2.7.Final" | ||
| plugins { | ||
| id("org.gradle.base") | ||
| } | ||
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| // This plugin is applied to projects that already have the kotlin multiplatform plugin applied | ||
| // It adds the Netty native transport libraries to the jvmTest source set | ||
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| afterEvaluate { | ||
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| extensions.findByType<KotlinMultiplatformExtension>()?.apply { | ||
| sourceSets.findByName("jvmTest")?.apply { | ||
| dependencies { | ||
| // Netty native transport libraries for different platforms | ||
| val osName = System.getProperty("os.name").lowercase() | ||
| val osArch = System.getProperty("os.arch").lowercase() | ||
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| // Add the base Netty platform | ||
| implementation(project.dependencies.platform("io.netty:netty-bom:$nettyVersion")) | ||
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| when { | ||
| osName.contains("linux") -> { | ||
| val archClassifier = | ||
| if (osArch.contains("aarch64")) { | ||
| "linux-aarch_64" | ||
| } else { | ||
| "linux-x86_64" | ||
| } | ||
| runtimeOnly( | ||
| "io.netty:netty-transport-native-epoll:$nettyVersion:$archClassifier", | ||
| ) | ||
| } | ||
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| osName.contains("mac") -> { | ||
| val archClassifier = | ||
| if (osArch.contains("aarch64")) { | ||
| "osx-aarch_64" | ||
| } else { | ||
| "osx-x86_64" | ||
| } | ||
| runtimeOnly( | ||
| "io.netty:netty-transport-native-kqueue:$nettyVersion:$archClassifier", | ||
| ) | ||
| runtimeOnly( | ||
| "io.netty:netty-resolver-dns-native-macos:$nettyVersion:$archClassifier", | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| package io.modelcontextprotocol.kotlin.sdk.client | ||
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| import dev.mokksy.mokksy.Mokksy | ||
| import dev.mokksy.mokksy.StubConfiguration | ||
| import io.ktor.http.ContentType | ||
| import io.ktor.http.HttpMethod | ||
| import io.ktor.http.HttpStatusCode | ||
| import io.ktor.sse.ServerSentEvent | ||
| import io.modelcontextprotocol.kotlin.sdk.JSONRPCRequest | ||
| import kotlinx.coroutines.flow.Flow | ||
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| /** | ||
| * High-level helper for simulating an MCP server over Streaming HTTP transport with Server-Sent Events (SSE), | ||
| * built on top of an HTTP server using the [Mokksy](https://mokksy.dev) library. | ||
| * | ||
| * Provides test utilities to mock server behavior based on specific request conditions. | ||
| * | ||
| * @param verbose Whether to print detailed logs. Defaults to `false`. | ||
| * @author Konstantin Pavlov | ||
| */ | ||
| internal class MockMcp(verbose: Boolean = false) { | ||
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| private val mokksy: Mokksy = Mokksy(verbose = verbose) | ||
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| fun checkForUnmatchedRequests() { | ||
| mokksy.checkForUnmatchedRequests() | ||
| } | ||
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| val url = mokksy.baseUrl() + "/mcp" | ||
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| @Suppress("LongParameterList") | ||
| fun onJSONRPCRequest( | ||
| httpMethod: HttpMethod = HttpMethod.Post, | ||
| jsonRpcMethod: String, | ||
| expectedSessionId: String? = null, | ||
| sessionId: String, | ||
| contentType: ContentType = ContentType.Application.Json, | ||
| statusCode: HttpStatusCode = HttpStatusCode.OK, | ||
| bodyBuilder: () -> String, | ||
| ) { | ||
| mokksy.method( | ||
| configuration = StubConfiguration(removeAfterMatch = true), | ||
| httpMethod = httpMethod, | ||
| requestType = JSONRPCRequest::class, | ||
| ) { | ||
| path("/mcp") | ||
| expectedSessionId?.let { | ||
| containsHeader("Mcp-Session-Id", it) | ||
| } | ||
| bodyMatchesPredicates( | ||
| { | ||
| it!!.method == jsonRpcMethod | ||
| }, | ||
| { | ||
| it!!.jsonrpc == "2.0" | ||
| }, | ||
| ) | ||
| } respondsWith { | ||
| body = bodyBuilder.invoke() | ||
| this.contentType = contentType | ||
| headers += "Mcp-Session-Id" to sessionId | ||
| httpStatus = statusCode | ||
| } | ||
| } | ||
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| fun onSubscribeWithGet(sessionId: String, block: () -> Flow<ServerSentEvent>) { | ||
| mokksy.get(name = "MCP GETs", requestType = Any::class) { | ||
| path("/mcp") | ||
| containsHeader("Mcp-Session-Id", sessionId) | ||
| containsHeader("Accept", "application/json,text/event-stream") | ||
| containsHeader("Cache-Control", "no-store") | ||
| } respondsWithSseStream { | ||
| headers += "Mcp-Session-Id" to sessionId | ||
| this.flow = block.invoke() | ||
| } | ||
| } | ||
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| fun mockUnsubscribeRequest(sessionId: String) { | ||
| mokksy.delete( | ||
| configuration = StubConfiguration(removeAfterMatch = true), | ||
| requestType = JSONRPCRequest::class, | ||
| ) { | ||
| path("/mcp") | ||
| containsHeader("Mcp-Session-Id", sessionId) | ||
| } respondsWith { | ||
| body = null | ||
| } | ||
| } | ||
| } |
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for visibility