Google Flutter Google Flutter Testing

Question 1

Which type of Flutter test runs entirely in the Dart VM without a device and tests a single class or function?

Accepted Answer

Unit test

Answer

Widget test

Answer

Integration test

Answer

Golden test

Question 2

What Flutter test type verifies that a widget renders and interacts correctly using a test environment?

Accepted Answer

Widget test

Answer

Unit test

Answer

Integration test

Answer

Smoke test

Question 3

Which Flutter test type runs the full app on a real device or emulator to test end-to-end flows?

Accepted Answer

Integration test

Answer

Unit test

Answer

Widget test

Answer

Golden test

Question 4

What does WidgetTester.pump() do in a Flutter widget test?

Accepted Answer

Advances the frame clock and processes pending animations/microtasks

Answer

Rebuilds the entire widget tree from scratch

Answer

Navigates to the next screen

Answer

Simulates a tap gesture

Question 5

Which method do you use to find a widget by its type in a Flutter widget test?

Accepted Answer

find.byType()

Answer

find.text()

Answer

find.byKey()

Answer

find.byWidget()

Question 6

What is a golden test (snapshot test) in Flutter?

Accepted Answer

A test that compares widget rendering to a saved reference image

Answer

A test that verifies widget performance metrics

Answer

A test run on a golden (production) device

Answer

A test that measures startup time