[tests] add workflow

Author: nikohansen

.github/workflows/tests.yml

@@ -0,0 +1,46 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Tests
+
+on:
+  push:
+    branches: [ "main", "master", "development", "test" ]
+  pull_request:
+    branches: [ "development", "test" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install flake8
+        python -m pip install ruff
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        python -m pip install moarchiving
+        python -m pip install .  # or install numpy and further dependencies?
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 comocma --count --select=E9,F63,F7,F82 --show-source --statistics --extend-exclude=cma/utilities/python3for2.py
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        # flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Ruff
+      run: |
+        ruff check comocma
+    - name: Test
+      run: |
+        python -m comocma.test  # was: pytest