Android Development Android Testing

Question 1

Which testing framework is used for writing unit tests in Android projects?

Accepted Answer

JUnit

Answer

Espresso

Answer

Robolectric

Answer

Mockito

Question 2

What is the purpose of Espresso in Android testing?

Accepted Answer

To write UI instrumentation tests that interact with the app UI

Answer

To mock network requests

Answer

To test database operations

Answer

To unit test ViewModels

Question 3

What is a unit test in Android development?

Accepted Answer

A test that validates a single function or class in isolation without Android framework dependencies

Answer

A test that runs on a physical device

Answer

A test that covers the entire app flow

Answer

A test that validates network calls

Question 4

What is the difference between unit tests and instrumentation tests in Android?

Accepted Answer

Unit tests run on JVM; instrumentation tests run on an Android device or emulator

Answer

Unit tests are slower than instrumentation tests

Answer

Instrumentation tests don't require an emulator

Answer

There is no difference

Question 5

Which library is used for mocking dependencies in Android unit tests?

Accepted Answer

Mockito

Answer

Espresso

Answer

Robolectric

Answer

JUnit

Question 6

Where are Android unit tests located in a project structure?

Accepted Answer

src/test/java

Answer

src/androidTest/java

Answer

src/main/test

Answer

test/unit/java