Parallelize large pytest suites and isolate slow feedback loops with pytest-xdist

Fan out Python test execution across workers so slow suites finish faster and bottlenecks show up before they dominate CI time.

Prerequisites

Python environment, pytest, pytest-xdist, and a pytest-compatible test suite with enough local or CI worker capacity to parallelize

Installation

Requirements and caveats from upstream:

• :target: https://pypi.python.org/pypi/pytest-xdist

• :alt: Python versions

• Source: https://github.com/pytest-dev/pytest-xdist

• Extracted from upstream docs: https://raw.githubusercontent.com/pytest-dev/pytest-xdist/HEAD/README.rst

Documentation

• https://pytest-xdist.readthedocs.io/

Source

• Agent Skill Exchange