How to let test cases run in a predefined order

Motivation

pytest executes tests in a randomly order. Sometimes it can be useful to have a predefined order in which test cases can run.

pytest has a neat plugin for this specific use case.

Installation

pip install pytest-order

Usage

import pytest

@pytest.mark.order(1)
def test_foo():
    assert True

@pytest.mark.order(2)
def test_bar():
    assert True

@pytest.mark.order(3)
def test_foobar():
    assert True

Resoruces

https://pypi.org/project/pytest-order/