Initial CI workflow

.github/workflows/ci.yml

@@ -0,0 +1,43 @@
+name: CI
+
+on:
+  push:
+    branches: [stable, develop]
+  pull_request:
+    branches: [stable, develop]
+  workflow_dispatch:
+  schedule:
+    - cron: "0 12 * * 1"
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    if: github.repository == 'noaa-oar-arl/monet'
+    strategy:
+      matrix:
+        python-version: ["3.6", "3.8", "3.10"]
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python (micromamba)
+        uses: mamba-org/provision-with-micromamba@v13
+        with:
+          environment-file: environment-dev.yml
+          cache-env: true
+          extra-specs: |
+            python=${{ matrix.python-version }}
+
+      - name: Downgrade cf-xarray if on Python 3.6
+        if: matrix.python-version == '3.6'
+        run: micromamba install cf_xarray=0.6.3
+
+      - name: Install package
+        run: python -m pip install -e . --no-deps
+
+      - name: Test with pytest
+        run: pytest -v

environment-dev.yml

@@ -3,7 +3,7 @@ channels:
   - conda-forge
   - nodefaults
 dependencies:
-  - python=3.9
+  - python>=3.6
   #
   # core
   - cartopy