ci | add github action for pytest

* help by claude
* add test dependencies

.github/workflows/pytest.yml

@@ -0,0 +1,33 @@
+name: pytest
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.8']
+        # python-version: ['3.8', '3.9', '3.10', '3.11']
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install .[test]
+    - name: Test with pytest
+      run: |
+	pip install pytest
+        pytest tests/ --doctest-modules --junitxml=junit/test-results-${{ matrix.python-version }}.xml --cov=. --cov-report=xml --cov-report=html
+    - name: Upload pytest results
+      uses: actions/upload-artifact@v3
+      with:
+        name: pytest-results-${{ matrix.python-version }}
+        path: junit/test-results-${{ matrix.python-version }}.xml
+      if: ${{ always() }}
+

README.md

@@ -1,7 +1,7 @@
 tools.tdep
 ===
 
-![python](https://img.shields.io/badge/python-3.7--3.11-lightgrey.svg?style=flat-square)
+![python](https://img.shields.io/badge/python-3.8--3.11-lightgrey.svg?style=flat-square)
 [![license](https://img.shields.io/github/license/flokno/tools.tdep?color=red&style=flat-square)](https://opensource.org/licenses/ISC)
 [![code style](https://img.shields.io/badge/code%20style-black-202020.svg?style=flat-square)](https://github.com/ambv/black)
 ![build status](https://app.travis-ci.com/flokno/tools.tdep.svg?branch=main)

setup.cfg

@@ -30,6 +30,11 @@ install_requires =
 	toml >= 0.10.1
 	spglib >= 1.0
 
+[options.extras_require]
+tests =
+	pytest
+	pytest-cov
+
 [options.packages.find]
 include =
 	tdeptools