Pytest.md

Testing Python Scripts with pytest

Testing is a critical part of the software development process. It ensures your Python scripts function correctly and meet your expected requirements. This tutorial explains how to use pytest for unit tests and integration tests, how to automate testing with a Makefile, and how to integrate pytest into a pre-commit workflow.

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What is pytest?

pytest is a robust testing framework for Python. It supports:

• Unit tests: Testing individual components (e.g., functions, methods) in isolation.
• Integration tests: Testing how components work together in a system.
• Fixtures: Managing setup and teardown of test environments.

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Installing pytest

Install pytest using pip:

pip install pytest

Project Structure

Here's an example project structure for this tutorial:

my_project/
├── src/
│   ├── calculator.py
├── tests/
│   ├── test_calculator.py
├── Makefile
├── requirements.txt
├── .pre-commit-config.yaml