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python-pytest-drill (2024-08-14)
Mastering pytest: A Comprehensive Guide
Mastering pytest: A Comprehensive Guide
Table of Contents
Pytest Drill
Running Tests
How do I run all tests in the current directory?
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How do I run all tests in a specific file?
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How do I run a specific test function?
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How do I run all tests with a specific marker?
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Fixtures
What is a fixture in pytest?
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How do I define a fixture in pytest?
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How do I use a fixture in a test function?
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Assertions
How do I make an assertion in pytest?
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What happens if an assertion fails in pytest?
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Markers
What is a marker in pytest?
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How do I define a marker in pytest?
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How do I run all tests with a specific marker?
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Answer
Skipping Tests
How do I skip a test in pytest?
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Answer
How do I skip a test based on a condition?
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Answer
Xfail
What is xfail in pytest?
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How do I mark a test as xfail in pytest?
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Parametrize
What is parametrize in pytest?
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How do I parametrize a test function in pytest?
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Answer
Plugins
What is a plugin in pytest?
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How do I install a pytest plugin?
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Answer
Pytest Drill
Running Tests
How do I run all tests in the current directory?
drill
python_pytest
Answer
pytest
How do I run all tests in a specific file?
drill
python_pytest
Answer
pytest <filename>
How do I run a specific test function?
drill
python_pytest
Answer
pytest <filename>::<function
name
>
How do I run all tests with a specific marker?
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Answer
pytest -m <marker
name
>
Fixtures
What is a fixture in pytest?
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python_pytest
Answer
A setup function that provides a fixed baseline so that tests execute reliably and consistently.
How do I define a fixture in pytest?
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python_pytest
Answer
Using the `@pytest.fixture` decorator.
How do I use a fixture in a test function?
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Answer
By including the fixture name as an argument in the test function.
Assertions
How do I make an assertion in pytest?
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Answer
Using the `assert` statement.
What happens if an assertion fails in pytest?
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Answer
The test fails and pytest displays an error message.
Markers
What is a marker in pytest?
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Answer
A way to categorize tests based on certain characteristics.
How do I define a marker in pytest?
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python_pytest
Answer
Using the `@pytest.mark` decorator.
How do I run all tests with a specific marker?
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Answer
pytest -m <marker
name
>
Skipping Tests
How do I skip a test in pytest?
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Answer
Using the `@pytest.mark.skip` decorator.
How do I skip a test based on a condition?
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Answer
Using the `@pytest.mark.skipif` decorator.
Xfail
What is xfail in pytest?
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Answer
A way to mark a test as expected to fail.
How do I mark a test as xfail in pytest?
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Answer
Using the `@pytest.mark.xfail` decorator.
Parametrize
What is parametrize in pytest?
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Answer
A way to run the same test function with different inputs.
How do I parametrize a test function in pytest?
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Answer
Using the `@pytest.mark.parametrize` decorator.
Plugins
What is a plugin in pytest?
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Answer
A way to extend the functionality of pytest.
How do I install a pytest plugin?
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Answer
Using pip, e.g. `pip install pytest-<plugin
name
>`.
Author: Jason Walsh
j@wal.sh
Last Updated: 2024-08-14 13:07:23