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Detox quiz

Test your Detox knowledge with a free interactive quiz — 19 questions with answers and explanations. No signup needed to play.

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What is the basic structure of a Detox test using its matcher/action/expectation API?

Questions in this quiz
  1. What is the basic structure of a Detox test using its matcher/action/expectation API?
  2. What is the relationship between Detox and Appium, another popular mobile E2E testing tool?
  3. What is Detox?
  4. What are Detox "artifacts" (screenshots, videos, logs captured during a test run) used for?
  5. What is a "flaky test" in the context of E2E testing, and how does Detox's design specifically aim to reduce this problem?
  6. What is `detox.config.js` (or `.detoxrc.js`) used for?
  7. How does Detox typically integrate with a CI pipeline for React Native apps?
  8. Why might a test need to explicitly handle native permission dialogs (camera, location, notifications) when testing a React Native app with Detox?
  9. Why is it generally considered bad practice to write Detox element matchers based on an element's exact screen position (coordinates) rather than testID/text/type matchers?
  10. What is Detox's automatic synchronization feature, and what problem does it solve?
  11. What does Detox's `by.id()`, `by.text()`, and `by.type()` matcher variety let you do when multiple similar elements exist on screen?
  12. Why does Detox require the app under test to be built in a special "test" configuration rather than testing the regular production build directly?
Gaps to close?
Read the curated Detox notes — core concepts, patterns, interview prep.
Detox notes

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