Merge pull request #80 from Luke-Manyamazi/tests/login-tests

added login tests

Author: AliQassab

api/__tests__/login.test.js

@@ -0,0 +1,72 @@
+import { describe, it, expect, beforeEach } from "vitest";
+
+import db from "../db.js";
+
+import { createRequest } from "./testUtils.js";
+
+describe("Authentication - Login", () => {
+	beforeEach(async () => {
+		// Clear users table before each test
+		await db.query("DELETE FROM users");
+	});
+
+	describe("POST /api/auth/login", () => {
+		it("should return 401 if the user does not exist", async () => {
+			const request = await createRequest();
+
+			const response = await request
+				.post("/api/auth/login")
+				.send({ email: "nobody@example.com", password: "Password123!" })
+				.expect(401);
+
+			expect(response.body.message).toBe("Invalid credentials.");
+		});
+
+		it("should return 401 if the password is incorrect", async () => {
+			const request = await createRequest();
+
+			// First create a user
+			const userData = {
+				name: "John Doe",
+				email: "john@example.com",
+				password: "Password123!",
+			};
+			await request.post("/api/auth/signup").send(userData).expect(201);
+
+			// Attempt login with wrong password
+			const response = await request
+				.post("/api/auth/login")
+				.send({ email: "john@example.com", password: "WrongPassword!" })
+				.expect(401);
+
+			expect(response.body.message).toBe("Invalid credentials.");
+		});
+
+		it("should return 200 and a token when credentials are correct", async () => {
+			const request = await createRequest();
+
+			// Signup first
+			const userData = {
+				name: "Jane Doe",
+				email: "jane@example.com",
+				password: "Password123!",
+			};
+			await request.post("/api/auth/signup").send(userData).expect(201);
+
+			// Login with correct credentials
+			const response = await request
+				.post("/api/auth/login")
+				.send({ email: "jane@example.com", password: "Password123!" })
+				.expect(200);
+
+			expect(response.body).toHaveProperty("token");
+			expect(response.body).toHaveProperty("user");
+			expect(response.body.user).toHaveProperty("id");
+			expect(response.body.user).toHaveProperty("name", userData.name);
+			expect(response.body.user).toHaveProperty(
+				"email",
+				userData.email.toLowerCase(),
+			);
+		});
+	});
+});