Introduction to Pytest
Pytest is a powerful and flexible testing framework for Python. It's known for its ease of use, extensive plugin ecosystem, and beautiful error messages.
Installation
You can install pytest using pip:
pip install pytest
Running Tests
To run all tests in a directory, simply run:
pytest
Writing Test Cases
Pytest uses the fixture mechanism to provide test data and setup.
Assertions
Pytest uses the standard assert statements for assertions:
assert 1 == 1
assert "hello" in "world"
Fixtures
Fixtures allow you to define reusable test setup and teardown logic.
@pytest.fixtureyieldclose