Python Testing with pytest

Review

Congratulations! You’ve done quite a bit so far in this chapter and are on a good pace to master pytest quickly. Here’s a quick review of what was covered in the chapter:

• pytest is installed into a virtual environment with the following steps:

  • python -m venv venv

  • source venv/bin/activate (or venv\Scripts\activate.bat/venv\Scripts\Activate.ps1 on Windows)

  • pip install pytest

• pytest can be run in several different ways:

  • pytest: With no arguments, pytest searches the local directory and subdirectories for tests.

  • pytest <filename>: Runs the tests in one file

  • pytest <filename> <filename> ...: Runs the tests in multiple named files

  • pytest <dirname>: Starts in a particular directory (or more than one) and recursively searches for tests

• Test ...