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apps/mcp-server/test_mcp_category_image.ts

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+import { spawn } from "child_process";
+
+async function test() {
+  console.log("Starting backend server...");
+  const backend = spawn("bun", ["src/index.ts"], {
+    cwd: "../backend",
+    env: { ...process.env, PORT: "3051" }
+  });
+
+  // Give backend 2 seconds to start
+  await new Promise(resolve => setTimeout(resolve, 2000));
+
+  console.log("Starting MCP server...");
+  const mcp = spawn("bun", ["index.ts"], {
+    cwd: ".",
+    env: { ...process.env, MCP_BACKEND_URL: "http://localhost:3051/api" }
+  });
+
+  mcp.stderr.on("data", (data) => {
+    console.error(`[MCP STDERR] ${data}`);
+  });
+
+  let responseData = "";
+  mcp.stdout.on("data", (data) => {
+    responseData += data.toString();
+    console.log(`[MCP STDOUT] ${data}`);
+  });
+
+  const send = (msg: any) => {
+    mcp.stdin.write(JSON.stringify(msg) + "\n");
+  };
+
+  // 1. Send initialize
+  console.log("Sending initialize request...");
+  send({
+    jsonrpc: "2.0",
+    id: 1,
+    method: "initialize",
+    params: {
+      protocolVersion: "2024-11-05",
+      capabilities: {},
+      clientInfo: { name: "test-client", version: "1.0.0" }
+    }
+  });
+
+  await new Promise(resolve => setTimeout(resolve, 1000));
+
+  // 2. Send initialized notification
+  console.log("Sending initialized notification...");
+  send({
+    jsonrpc: "2.0",
+    method: "notifications/initialized"
+  });
+
+  await new Promise(resolve => setTimeout(resolve, 1000));
+
+  // 3. Send callTool request to update_category_image
+  console.log("Sending callTool request for update_category_image...");
+  responseData = ""; // Clear response data
+  send({
+    jsonrpc: "2.0",
+    id: 2,
+    method: "tools/call",
+    params: {
+      name: "update_category_image",
+      arguments: {
+        id: 1,
+        imageUrl: "https://example.com/mcp-test.png"
+      }
+    }
+  });
+
+  await new Promise(resolve => setTimeout(resolve, 3000));
+
+  console.log("Cleaning up servers...");
+  mcp.kill();
+  backend.kill();
+
+  console.log("Verifying response...");
+  console.log("Full responseData:", responseData);
+  if (!responseData.includes("https://example.com/mcp-test.png")) {
+    throw new Error("MCP response did not contain the updated imageUrl!");
+  }
+
+  console.log("MCP tool test passed successfully!");
+}
+
+test().catch(err => {
+  console.error("Test failed:", err);
+  process.exit(1);
+});