tests/e2e/auth.spec.js

const { test, expect } = require('@playwright/test');

test.describe('Authentication Flow', () => {
  test('should successfully login with valid credentials', async ({ page }) => {
    await page.goto('/login');

    await page.fill('input[name="email"]', 'admin@widgettdc.dev');
    await page.fill('input[name="password"]', 'password');
    await page.click('button[type="submit"]');

    await expect(page).toHaveURL('/dashboard');
    await expect(page.locator('text=Welcome')).toBeVisible();
  });

  test('should show error with invalid credentials', async ({ page }) => {
    await page.goto('/login');

    await page.fill('input[name="email"]', 'wrong@example.com');
    await page.fill('input[name="password"]', 'wrongpass');
    await page.click('button[type="submit"]');

    await expect(page.locator('.error-message')).toBeVisible();
    await expect(page.locator('.error-message')).toContainText('Invalid credentials');
  });

  test('should logout successfully', async ({ page }) => {
    await page.goto('/login');
    await page.fill('input[name="email"]', 'admin@widgettdc.dev');
    await page.fill('input[name="password"]', 'password');
    await page.click('button[type="submit"]');

    await page.click('button[aria-label="Logout"]');

    await expect(page).toHaveURL('/login');
  });
});