pytest

Package — TestingPython 3.8+Intermediate

Feature-rich testing: fixtures, parametrize, plugins, auto-discovery

Quick Info

Documentation: Official Docs
Python Version: 3.8+
Dependencies: iniconfig, packaging, pluggy
Install: pip install pytest

Learn by Difficulty

Easy2 examples

Examples|Playground

Intermediate1 example

Quick Example

python

# Install: pip install pytest
# test_example.py
import pytest

def add(a, b):
    return a + b

def test_add():
    assert add(1, 2) == 3
    assert add(-1, 1) == 0

def test_add_strings():
    assert add("hello", " world") == "hello world"

@pytest.fixture
def sample_data():
    return [1, 2, 3, 4, 5]

def test_sum(sample_data):
    assert sum(sample_data) == 15