pytest
Run specific tests
Run all tests in a project
$ pytest
Run tests in a Single Directory
To run all the tests from one directory, use the directory as a parameter to
pytest:
$ pytest tests/my-directory
Run tests in a Single Test File/Module
To run a file full of tests, list the file with the relative path as a parameter to pytest:
$ pytest tests/my-directory/test_demo.py
Run a Single Test Function
To run a single test function, add :: and the test function name:
$ pytest -v tests/my-directory/test_demo.py::test_specific_function
-v is used so you can see which function was run.
Run a Single Test Class
To run just a class, do like we did with functions and add ::, then the class name to the file parameter:
$ pytest -v tests/my-directory/test_demo.py::TestClassName
Run a Single Test Method of a Test Class
If you don’t want to run all of a test class, just one method, just add
another :: and the method name:
pytest -v tests/my-directory/test_demo.py::TestClassName::test_specific_method
Run a Set of Tests Based on Test Name
The -k option enables you to pass in an expression to run tests that have
certain names specified by the expression as a substring of the test name.
It is possible to use and, or, and not to create complex expressions.
For example, to run all of the functions that have _raises in their name:
$ pytest -v -k _raises