Merge pull request #10 from Firebird1029/backend-tests

Add jest tests for backend

__tests__/backend.t.js

@@ -0,0 +1,73 @@
+const request = require("supertest");
+const axios = require("axios");
+const app = require("../server/server");
+
+jest.mock("axios");
+
+describe("Express App Tests", () => {
+  afterEach(() => {
+    jest.resetAllMocks();
+  });
+
+  describe("GET /api", () => {
+    it("should respond with JSON message", async () => {
+      const response = await request(app).get("/api");
+
+      expect(response.statusCode).toBe(200);
+      expect(response.body.message).toBe("Hello from server!");
+    });
+  });
+
+  describe("GET /getUserProfile", () => {
+    it("should respond with user profile when valid token is provided", async () => {
+      axios.get.mockResolvedValue({ data: { uri: "some-uri" } });
+
+      const response = await request(app).get(
+        "/getUserProfile?token=valid-token",
+      );
+
+      expect(response.statusCode).toBe(200);
+      expect(response.body.profile).toBeDefined();
+    });
+
+    it("should respond with 400 when no token is provided", async () => {
+      const response = await request(app).get("/getUserProfile");
+
+      expect(response.statusCode).toBe(400);
+    });
+
+    it("should respond with 500 when error occurs", async () => {
+      const response = await request(app).get(
+        "/getTopItems?token=invalid-token",
+      );
+      expect(response.statusCode).toBe(500);
+    });
+  });
+
+  describe("GET /getTopItems", () => {
+    it("should respond with top items when valid token and type are provided", async () => {
+      axios.get.mockResolvedValue({ data: { items: ["item1", "item2"] } });
+
+      const response = await request(app).get(
+        "/getTopItems?token=valid-token&type=artists",
+      );
+
+      expect(response.statusCode).toBe(200);
+      expect(response.body.topItems).toBeDefined();
+    });
+
+    it("should respond with 400 when no token is provided", async () => {
+      const response = await request(app).get("/getTopItems?type=artists");
+
+      expect(response.statusCode).toBe(400);
+    });
+
+    it("should respond with 500 when error occurs", async () => {
+      const response = await request(app).get(
+        "/getTopItems?token=invalid-token&type=artists",
+      );
+
+      expect(response.statusCode).toBe(500);
+    });
+  });
+});