POC POC Testing & Quality Assurance 2

Question 1

In pytest, what built-in fixture provides a temporary directory for test files?

Accepted Answer

tmp_path

Answer

The `tmp_path` fixture in pytest provides a `pathlib.Path` temporary directory unique to each test invocation.

Question 2

Which method in unittest asserts that a specific exception is raised?

Accepted Answer

assertRaises()

Answer

`assertRaises(ExceptionType)` is used as a context manager or callable to verify that the specified exception is raised.

Question 3

What is mocking in Python unit testing?

Accepted Answer

Replacing real objects with simulated ones to isolate units under test

Answer

Mocking replaces real dependencies with controlled substitutes so tests verify only the unit being tested.

Question 4

What does the `@pytest.fixture` decorator do?

Accepted Answer

Defines a reusable setup function injected into test parameters

Answer

The `@pytest.fixture` decorator defines a function that provides a fixed baseline or shared resource, injected by name into test function parameters.

Question 5

In unittest, what method is called after each test method to clean up resources?

Accepted Answer

tearDown()

Answer

`tearDown()` is called after each test method to perform cleanup, even if the test raised an exception.

(POC) Python Online Certification Practice Test