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Python Testing and Debugging

Python Testing and Debugging - Important Points


36. What is the purpose of a code coverage tool in Python testing?

A. To measure the amount of code that is executed during testing

B. To generate test data for use in testing

C. To identify and fix errors in code

D. To simulate user interactions with a system

Discuss Work Space

Answer: option a

Explanation:

A code coverage tool is a tool used to measure the amount of code that is executed during testing. This can help developers to identify areas of the code that are not being tested and ensure that tests are covering as much of the code as possible.

37. Which module in Python provides support for mocking and patching?

A. unittest.mock

B. pytest-mock

C. mockito

D. all of the above

Discuss Work Space

Answer: option a

Explanation:

Python provides support for mocking and patching through the unittest.mock module. This module allows developers to create mock objects that simulate the behavior of real objects, as well as patching, which allows them to replace real objects with mock objects during testing.

38. What is a regression test in Python testing?

A. A test that ensures that code changes have not introduced new errors

B. A test that measures the performance of a system under heavy loads

C. A test that simulates user interactions with a system

D. A test that verifies that code is functioning as expected

Discuss Work Space

Answer: option a

Explanation:

A regression test is a test that ensures that code changes have not introduced new errors. It involves running tests that have previously been passed to ensure that they continue to pass after changes have been made to the code.

39. What is a mutation test in Python testing?

A. A test that introduces deliberate errors into the code to measure the effectiveness of tests

B. A test that simulates user interactions with a system

C. A test that verifies that code is functioning as expected

D. A test that measures the performance of a system under heavy loads

Discuss Work Space

Answer: option a

Explanation:

A mutation test is a test that introduces deliberate errors into the code to measure the effectiveness of tests. It is used to identify areas of the code that are not being adequately tested and to improve the effectiveness of testing.

40. Which tool in Python can be used for code profiling?

A. cProfile

B. PyCharm

C. Visual Studio Code

D. all of the above

Discuss Work Space

Answer: option a

Explanation:

Python provides support for code profiling through the cProfile module. This module allows developers to measure the performance of their code and identify areas that may be causing performance issues.


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