use pytest and add coverage threshold #25

	name: Verify buildability

	on:
	push:
	paths:
	- pyproject.toml
	- patchmatch
	- github/workflows/verify-buildability.yml
	pull_request:
	workflow_dispatch:

	jobs:
	pre-commit-check:
	runs-on: ubuntu-latest
	env:
	PIP_USE_PEP517: '1'
	steps:
	- name: Checkout sources
	id: checkout-sources
	uses: actions/checkout@v3

	- name: setup python
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'
	cache: pip
	cache-dependency-path: pyproject.toml

	- name: install dev dependencies
	run: pip3 install ".[dev]"

	- name: run pre-commit-check
	run: >
	pre-commit run
	--all-files
	--show-diff-on-failure

	build:
	if: github.event.pull_request.draft == false
	strategy:
	matrix:
	python-version:
	- '3.9'
	- '3.10'
	os:
	- windows-latest
	- ubuntu-latest
	- macos-latest
	fail-fast: false
	name: ${{ matrix.python-version }} on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	env:
	PIP_USE_PEP517: '1'
	steps:
	- name: Checkout sources
	id: checkout-sources
	uses: actions/checkout@v3

	- name: linux prerequisites
	if: runner.os == 'linux'
	run: \|
	sudo apt-get update
	sudo apt-get install -y libopencv-dev

	- name: macos prerequisites
	if: runner.os == 'macos'
	run: brew install opencv

	- name: setup python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	cache: pip
	cache-dependency-path: pyproject.toml

	- name: install PyPatchMatch
	run: pip3 install --upgrade .

	- name: run py_example.py
	run: python3 examples/py_example.py

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