test: add test with js server (#65)

crates/rmcp/tests/test_with_js/server.js

@@ -0,0 +1,35 @@
+import { McpServer, ResourceTemplate } from "@modelcontextprotocol/sdk/server/mcp.js";
+import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
+import { z } from "zod";
+
+const server = new McpServer({
+  name: "Demo",
+  version: "1.0.0"
+});
+
+server.resource(
+  "greeting",
+  new ResourceTemplate("greeting://{name}", { list: undefined }),
+  async (uri, { name }) => ({
+    contents: [{
+      uri: uri.href,
+      text: `Hello, ${name}`
+    }]
+  })
+);
+
+server.tool(
+  "add",
+  { a: z.number(), b: z.number() },
+  async ({ a, b }) => ({
+    "content": [
+      {
+        "type": "text",
+        "text": `${a + b}`
+      }
+    ]
+  })
+);
+
+const transport = new StdioServerTransport();
+await server.connect(transport);