tests: adiciona testes

README.md

@@ -1,4 +1,4 @@
-# 2024.1-SENTINELA-BACKEND-USUARIOS
+# 2024.2-SENTINELA-BACKEND-USUARIOS
 
 ## Variáveis de ambiente
 

src/__tests__/app.test.js

@@ -0,0 +1,60 @@
+const mongoose = require("mongoose");
+const request = require("supertest");
+const { app, startServer } = require("../index");
+const initializeRoles = require("../Utils/initDatabase");
+
+jest.spyOn(mongoose, "connect").mockResolvedValue();
+jest.mock("../Utils/initDatabase");
+
+describe("Express App Tests", () => {
+    beforeEach(() => {
+        process.env.SECRET = "test_secret";
+        process.env.FRONT_HOST = "localhost";
+        process.env.PORT = 3000;
+        jest.resetModules();
+    });
+
+    it("should return 'Hello, world!' for GET /", async () => {
+        const response = await request(app).get("/");
+        expect(response.statusCode).toBe(200);
+        expect(response.text).toBe("Hello, world!");
+    });
+
+    it("should allow requests with correct CORS origin", async () => {
+        const response = await request(app)
+            .get("/")
+            .set("Origin", "http://localhost");
+
+        expect(response.statusCode).toBe(200);
+    });
+
+    it("should block requests with incorrect CORS origin", async () => {
+        process.env.FRONT_HOST = "example.com";
+        const response = await request(app)
+            .get("/")
+            .set("Origin", "http://notallowed.com");
+
+        expect(response.statusCode).toBe(500);
+    });
+
+    it("should start the server and connect to MongoDB", async () => {
+        const consoleLogSpy = jest.spyOn(console, "log").mockImplementation();
+        const consoleErrorSpy = jest
+            .spyOn(console, "error")
+            .mockImplementation();
+
+        await startServer();
+
+        expect(mongoose.connect).toHaveBeenCalled();
+        expect(initializeRoles).toHaveBeenCalled();
+        expect(consoleLogSpy).toHaveBeenCalledWith("Connected to MongoDB");
+
+        consoleLogSpy.mockRestore();
+        consoleErrorSpy.mockRestore();
+    });
+
+    afterAll(() => {
+        jest.restoreAllMocks();
+        mongoose.disconnect();
+    });
+});