Pytest
How to Use Pytest With Virtualenv?
To effectively use Pytest within a Python virtual environment, follow these instructions: First, create a virtual environment using Python. Assuming you are using the current latest version, (Pytho...
How to Debug Pytest With pdb Breakpoints?
To debug a pytest test using pdb, you can manually insert a breakpoint by adding import pdb; pdb.set_trace() in your test: import pytest def divide(x, y): return x / y def testzerodivision(): ...
How to Disable a Test Using Pytest?
If you need to disable a specific test when running your test suite with pytest, use the pytest skip decorator. Suppose you have the following tests in your test suite: import pytest def test_addit...
How to Assert if an Exception Is Raised With Pytest?
Pytest can be used to test whether a function raises an exception. For instance, consider a division function that raises a ZeroDivisionError if there is an attempt to divide by zero: def divide(x,...
How to Test a Single File Under Pytest
To run a single test file with pytest, use the command pytest followed by the file path: pytest tests/test_file.py To execute a specific test within that file, append :: and the test name to the fi...
A Complete Guide to Pytest Fixtures
Learn how to use Pytest fixtures for writing maintainable and isolated tests.
How to Solve the ModuleNotFoundError With Pytest?
To fix the ModuleNotFoundError in pytest, you can start by making your tests directory a Python package.This can be achieved by including an empty __init__.py file to the directory: └── tests/ ...
How to Skip Directories With Pytest?
You can instruct Pytest to exclude specific directories from testing with the --ignore option. To exclude a single directory, execute: pytest --ignore=somedirectory To exclude multiple directories ...
How to Profile and Identify Slow Tests?
You can easily profile the duration of tests using pytest to identify slow tests using the --durations=N option. To display the execution time of every test function, set --durations to 0: pytest -...
A Beginner's Guide to Unit Testing with Pytest
Learn how to write clean, concise, and effective Python tests using Pytest's intuitive syntax, fixtures, parametrization, and rich plugin ecosystem