Data-driven test using Playwright

data-driven.ts

// Data-driven test that runs once for each data entry
test.describe('Login functionality', () => {
    test(`Login as ${user.username}`, async ({ page }) => {
      // Navigate to login page
      await page.goto('https://example.com/login');
      
      // Fill the form
      //{ username: 'standardUser', password: 'secret1', expectedPage: '/dashboard' }
      //{ username: 'adminUser', password: 'admin123', expectedPage: '/admin' },
      await page.fill('input[name="username"]', user.username);
      await page.fill('input[name="password"]', user.password);
      
      // Submit the form
      await page.click('button[type="submit"]');
      
      // Check the result based on the expected outcome
      if (user.expectedError) {
        // For invalid login, check error message
        const errorMessage = await page.locator('.error-message').textContent();
        await expect(errorMessage).toContain(user.expectedError);
      } else if (user.expectedPage) {
        // For valid login, check we're redirected to the right page
        //{ username: 'standardUser', password: 'secret1', expectedPage: '/dashboard' }
        //{ username: 'adminUser', password: 'admin123', expectedPage: '/admin' },
        await expect(page).toHaveURL(new RegExp(user.expectedPage));
      }
    });
});

//Will run 2 tests
// Input1 - { username: 'standardUser', password: 'secret1'} with Expected Output '/dashboard'
// Input2 - //{ username: 'adminUser', password: 'admin123'} with Expected Output '/admin'