Add e2e test for server

Author: stanlemon

packages/server/app.js

@@ -4,7 +4,7 @@ import {
   NotFoundException,
 } from "./src/index.js";
 
-const app = createAppServer({ port: 3003 });
+export const app = createAppServer({ port: 3003 });
 
 // curl http://localhost:3003/hello?name=Stanley
 app.get(

packages/server/app.test.js

@@ -0,0 +1,52 @@
+/**
+ * @jest-environment node
+ */
+import request from "supertest";
+import { app } from "./app.js";
+
+describe("/app", () => {
+  it("GET /hello", async () => {
+    // Happy path 200 use case
+    const response = await request(app)
+      .get("/hello")
+      .set("Accept", "application/json");
+
+    expect(response.headers["content-type"]).toMatch(/json/);
+    expect(response.status).toEqual(200);
+    expect(response.body).toEqual({ hello: "Stan" });
+  });
+
+  it("GET /hello/Stan", async () => {
+    // This endpoint explicitly 404s
+    const response = await request(app)
+      .get("/hello/Stan")
+      .set("Accept", "application/json");
+
+    expect(response.headers["content-type"]).toMatch(/json/);
+    expect(response.status).toEqual(404);
+    expect(response.body).toEqual({ error: "Not Found" });
+  });
+
+  it("GET /hello/Sara", async () => {
+    // Custom parameter 200
+    const response = await request(app)
+      .get("/hello/Sara")
+      .set("Accept", "application/json");
+
+    expect(response.headers["content-type"]).toMatch(/json/);
+    expect(response.status).toEqual(200);
+    expect(response.body).toEqual({ hello: "Sara" });
+  });
+
+  it("POST /hello", async () => {
+    // POST request with JSON body 200
+    const response = await request(app)
+      .post("/hello")
+      .set("Accept", "application/json")
+      .send({ name: "Henry" });
+
+    expect(response.headers["content-type"]).toMatch(/json/);
+    expect(response.status).toEqual(200);
+    expect(response.body).toEqual({ hello: "Henry" });
+  });
+});