tests passing

frontend/app/login/page.test.tsx

@@ -0,0 +1,36 @@
+import { render, screen, cleanup } from "@testing-library/react";
+import { expect, test, vi, beforeEach, afterEach } from "vitest";
+import LoginPage from "./page";
+
+const mockPush = vi.fn();
+vi.mock("next/navigation", () => ({
+  useRouter: () => ({ push: mockPush }),
+}));
+
+vi.mock("../auth-context", () => ({
+  useAuth: () => ({ login: vi.fn() }),
+}));
+
+beforeEach(() => vi.clearAllMocks());
+afterEach(() => cleanup());
+
+test("renders login form with title", () => {
+  render(<LoginPage />);
+  expect(screen.getByText("Welcome back")).toBeDefined();
+});
+
+test("renders email and password inputs", () => {
+  render(<LoginPage />);
+  expect(screen.getByLabelText("Email")).toBeDefined();
+  expect(screen.getByLabelText("Password")).toBeDefined();
+});
+
+test("renders sign in button", () => {
+  render(<LoginPage />);
+  expect(screen.getByRole("button", { name: "Sign in" })).toBeDefined();
+});
+
+test("renders link to signup", () => {
+  render(<LoginPage />);
+  expect(screen.getByText("Sign up")).toBeDefined();
+});