Ensure tests are deterministic and faster #50

	name: tests

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]
	workflow_dispatch:

	jobs:
	build:

	name: Run tests
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "pypy-3.9"]

	steps:
	- uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install flake8 mypy pytest black colorama
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi

	- name: Run tests with pytest
	run: \|
	python -m pytest -v

	- name: Lint with flake8
	run: \|
	python -m flake8 . --count --statistics

	- name: Run mypy
	run: \|
	python -m mypy --strict simple_pid

	- name: Run black
	run: \|
	python -m black -l 100 -S --check --diff --color --exclude "docs/" .

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