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Technology

Selenium

Difficulty

Beginner

Interview Question

What type of tests have you automated in your Selenium projects?

Typically automate Regression, Smoke/Sanity testing as priorities. End-to-End and Integration tests are automated based on project scope and time estimates.

Answer

Types of Tests Automated with Selenium

In most Selenium automation projects, the following test types are prioritized:

1. Regression Testing (Primary focus) Verifies that new code changes haven''t broken existing functionality. Run after every sprint/release.

CODE
- Login flow still works after new UI changes
- Cart calculations correct after payment module update
- Search returns correct results after database changes

2. Smoke Testing Quick sanity check of critical paths after a new build deployment (~15-30 tests, ~5 minutes).

CODE
- Can the application launch?
- Can a user login?
- Is the home page loading?
- Is the main navigation working?

3. Sanity Testing Focused testing of a specific feature or bug fix — narrower than regression, deeper than smoke.

CODE
- Verify the specific bug fix works correctly
- Check only the affected module after a patch

4. End-to-End (E2E) Testing Tests the complete user workflow from start to finish.

Java
@Test
public void completeCheckoutFlow() {
    loginPage.login("user@example.com", "password");
    homePage.searchProduct("Laptop");
    productPage.addToCart();
    cartPage.proceedToCheckout();
    checkoutPage.fillShippingDetails();
    checkoutPage.placeOrder();
    Assert.assertTrue(confirmationPage.isOrderConfirmed());
}

5. Integration Testing Verifies that different modules work correctly together.

Typical automation pyramid:

CODE
    [E2E Tests — few, slow]
   [Integration Tests — some]
  [Unit Tests — many, fast]

Project-specific decisions:

  • Frequency: Regression runs nightly; smoke runs on every deployment
  • Coverage: Aim for 70-80% of critical paths automated
  • Priority: High-risk, high-frequency test cases first

Key answer: Main focus is to automate test cases for Regression testing, Smoke testing, and Sanity testing. Sometimes based on the project and the test time estimation, we also focus on End-to-End testing.

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