Drupal Quality Control & Assurance 4

Question 1

What is the recommended way to test Drupal REST API endpoints for response correctness in automated tests?

Accepted Answer

Using ResourceTestBase or extending BrowserTestBase with HTTP client assertions

Answer

Drupal provides ResourceTestBase specifically for testing REST resources, allowing assertion of HTTP status codes, headers, and response bodies programmatically.

Question 2

When using Behat for Drupal acceptance testing, which extension provides Drupal-specific step definitions like 'Given I am logged in as a user with the role'?

Accepted Answer

Drupal Extension (behat/drupal-extension)

Answer

The behat/drupal-extension package adds Drupal-aware step definitions for users, roles, nodes, and taxonomy terms that standard Behat/Mink steps do not cover.

Question 3

Which metric best indicates that a Drupal module's test suite has adequate coverage for a QA sign-off?

Accepted Answer

High code coverage percentage combined with tests for critical user paths

Answer

Coverage percentage alone is insufficient; meaningful QA sign-off requires both measurable code coverage and explicit tests for the workflows users rely on.

Question 4

What does `drush config:import --diff` do in a QA context?

Accepted Answer

Shows the difference between configuration on disk and active configuration before importing

Answer

The `--diff` flag prints a human-readable diff of what will change when config:import runs, allowing QA teams to review changes before applying them.

Question 5

A Drupal site's content editor reports that a WYSIWYG editor toolbar button is missing after a module update. Which type of test would best prevent this regression?

Accepted Answer

A functional JavaScript test that checks the editor toolbar renders the expected buttons

Answer

Functional JavaScript tests use a real browser to render CKEditor and can assert that specific toolbar buttons are present in the rendered DOM, catching UI regressions that static tests miss.

Drupal Practice Test

Drupal Practice Test

Drupal Quality Control & Assurance 4