CICD worflow for unit tests (#3)

* add unit test to cicd

* add pytest to deps

* remove gitlab cicd

* download stats for unit test

* only run on push to main (save free usage limits)

.github/workflows/unit_tests.yml

@@ -0,0 +1,72 @@
+name: Unit tests
+
+# Trigger on push or pull request to main branch.
+on: 
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    name: Run unit tests on ${{ matrix.os }} with Python ${{ matrix.python-version }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        python-version: ['3.11', '3.12']
+    steps:
+      #----------------------------------------------
+      #       check-out repo and set-up python
+      #----------------------------------------------
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      #----------------------------------------------
+      #  -----  install & configure poetry  -----
+      #----------------------------------------------
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+      #----------------------------------------------
+      #       load cached venv if cache exists
+      #----------------------------------------------
+      - name: Load cached venv
+        id: cached-poetry-dependencies
+        uses: actions/cache@v4
+        with:
+          path: .venv
+          key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}
+      #----------------------------------------------
+      # install dependencies if cache does not exist
+      #----------------------------------------------
+      - name: Install dependencies
+        if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
+        run: poetry install --no-interaction --no-root
+      #----------------------------------------------
+      #    install your root project, if required
+      #----------------------------------------------
+      - name: Install project
+        run: poetry install --no-interaction
+      #----------------------------------------------
+      #        download data files for tests
+      #----------------------------------------------
+      - name: Download stats data
+        run: |
+          src="https://huggingface.co/gcouairon/ArchesWeather/resolve/main"
+          wget -O geoarches/stats/era5-quantiles-2016_2022.nc $src/era5-quantiles-2016_2022.nc
+      #----------------------------------------------
+      #              run test suite
+      #----------------------------------------------
+      - name: Run unit tests
+        run: |
+          source .venv/bin/activate
+          python -m pytest -v tests/

pyproject.toml

@@ -57,6 +57,10 @@ ignore = [
 "src/geoarches/backbones/weatherlearn_utils/*" = ["N"]
 "src/geoarches/lightning_modules/__init__.py" = ["F401"]
 
+
+[tool.poetry.group.test.dependencies]
+pytest = "^8.3.4"
+
 [project.scripts]
 geoarches-main = 'geoarches.main_hydra:main'
 geoarches-submit = 'geoarches.submit:main'