tests

add cache clearing and testing #30

	# this workflow runs unit tests and checks code style
	# for different versions of python on different operating systems

	name: tests

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

	jobs:
	tests:
	runs-on: ${{ matrix.config.os }}
	name: ${{ matrix.config.os }} (${{ matrix.config.py }})
	strategy:
	fail-fast: false
	matrix:
	config:
	- { os: ubuntu-latest, py: "3.12" }
	- { os: ubuntu-latest, py: "3.11" }
	- { os: windows-latest, py: "3.10" }
	- { os: macOS-latest, py: "3.10" }
	- { os: ubuntu-latest, py: "3.10" }

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.config.py }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.config.py }}

	- name: Install poetry
	run: \|
	python -m pip install --upgrade pip
	pip install poetry

	- name: Install package
	run: poetry install

	- name: Test with pytest
	run: poetry run pytest tests/ --cov=imf_reader --cov-report=xml

	- name: Use Codecov to track coverage
	uses: codecov/codecov-action@v3
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	files: ./coverage.xml # coverage report
	fail_ci_if_error: true
	verbose: true

	- name: Check code style
	run: poetry run black src tests --check

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