import { expect, layer } from "@effect/vitest";import { Effect } from "effect";import { Client } from "@modelcontextprotocol/sdk/client/index.js";import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp.js";import { OAuthTestServer } from "@executor-js/sdk/testing"; import { makeEchoMcpServer, serveMcpServerWithOAuth } from "../testing"; const createGreetingMcpServer = () => makeEchoMcpServer({ name: "executor-test-mcp", toolName: "hello", toolDescription: "Greets a person", inputName: "name", text: (name) => `Hello ${name}`, }); const makeClient = (endpoint: string, accessToken: string) => { const client = new Client({ name: "executor-test-client", version: "1.0.0" }); const transport = new StreamableHTTPClientTransport(new URL(endpoint), { requestInit: { headers: { authorization: `Bearer ${accessToken}` }, }, }); return { client, transport };}; layer(OAuthTestServer.layer(), { timeout: "15 seconds" })("MCP testing fixtures", (it) => { it.effect("serves an OAuth-protected MCP server through the MCP SDK transport", () => Effect.gen(function* () { const oauth = yield* OAuthTestServer; const server = yield* serveMcpServerWithOAuth(createGreetingMcpServer, { path: "/mcp" }); const token = yield* oauth.completeAuthorizationCodeTokenFlow({ resource: server.endpoint, scopes: ["read"], }); const { client, transport } = makeClient(server.endpoint, token.accessToken); yield* Effect.tryPromise(() => client.connect(transport)); const tools = yield* Effect.tryPromise(() => client.listTools()); const result = yield* Effect.tryPromise(() => client.callTool({ name: "hello", arguments: { name: "Ada" } }), ); yield* Effect.promise(() => client.close()); expect(tools.tools.map((tool) => tool.name)).toEqual(["hello"]); expect(result).toMatchObject({ content: [{ type: "text", text: "Hello Ada" }], }); expect(server.sessionCount()).toBe(1); const requests = yield* server.requests; expect( requests.some((request) => request.authorization === `Bearer ${token.accessToken}`), ).toBe(true); }), );});
import { expect, layer } from "@effect/vitest";
import { Effect } from "effect";
import { Client } from "@modelcontextprotocol/sdk/client/index.js";
import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp.js";
import { OAuthTestServer } from "@executor-js/sdk/testing";
import { makeEchoMcpServer, serveMcpServerWithOAuth } from "../testing";
const createGreetingMcpServer = () =>
makeEchoMcpServer({
name: "executor-test-mcp",
toolName: "hello",
toolDescription: "Greets a person",
inputName: "name",
text: (name) => `Hello ${name}`,
});
const makeClient = (endpoint: string, accessToken: string) => {
const client = new Client({ name: "executor-test-client", version: "1.0.0" });
const transport = new StreamableHTTPClientTransport(new URL(endpoint), {
requestInit: {
headers: { authorization: `Bearer ${accessToken}` },
},
});
return { client, transport };
};
layer(OAuthTestServer.layer(), { timeout: "15 seconds" })("MCP testing fixtures", (it) => {
it.effect("serves an OAuth-protected MCP server through the MCP SDK transport", () =>
Effect.gen(function* () {
const oauth = yield* OAuthTestServer;
const server = yield* serveMcpServerWithOAuth(createGreetingMcpServer, { path: "/mcp" });
const token = yield* oauth.completeAuthorizationCodeTokenFlow({
resource: server.endpoint,
scopes: ["read"],
});
const { client, transport } = makeClient(server.endpoint, token.accessToken);
yield* Effect.tryPromise(() => client.connect(transport));
const tools = yield* Effect.tryPromise(() => client.listTools());
const result = yield* Effect.tryPromise(() =>
client.callTool({ name: "hello", arguments: { name: "Ada" } }),
);
yield* Effect.promise(() => client.close());
expect(tools.tools.map((tool) => tool.name)).toEqual(["hello"]);
expect(result).toMatchObject({
content: [{ type: "text", text: "Hello Ada" }],
});
expect(server.sessionCount()).toBe(1);
const requests = yield* server.requests;
expect(
requests.some((request) => request.authorization === `Bearer ${token.accessToken}`),
).toBe(true);
}),
);
});