You want to organize tests in multiple files but only want pytest to run tests in files starting with test_. Which naming pattern should you use for other Python files containing helper functions?

hard🚀 Application Q8 of 15

PyTest - Basics and Setup

You want to organize tests in multiple files but only want pytest to run tests in files starting with test_. Which naming pattern should you use for other Python files containing helper functions?

Ahelper_utils.py

Btest_helpers.py

Chelpers_test.py

Dtest_helper_utils.py

Step-by-Step Solution

Solution:

Step 1: Understand pytest file discovery
Pytest runs tests only in files starting with test_ or ending with _test.py.
Step 2: Choose helper file name to exclude tests
To exclude files from test discovery, name them without test_ prefix or suffix, e.g., helper_utils.py.
Final Answer:
helper_utils.py -> Option A
Quick Check:
Helper files should NOT start or end with 'test_' [OK]

Quick Trick: Helper files avoid 'test_' prefix/suffix to skip test discovery [OK]

Common Mistakes:

MISTAKES

Naming helper files with 'test_' prefix
Expecting pytest to skip files ending with '_test.py'
Mixing test and helper code in same file

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You want to organize tests in multiple files but only want pytest to run tests in files starting with test_. Which naming pattern should you use for other Python files containing helper functions?

Step 1: Understand pytest file discovery

Step 2: Choose helper file name to exclude tests

Final Answer:

Quick Check:

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