added test workflow

Author: kthyng

.github/workflows/test.yaml

@@ -0,0 +1,55 @@
+name: Tests
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+    branches:
+      - "*"
+  schedule:
+    - cron: "0 13 * * 1"
+
+jobs:
+  build:
+    name: Build (${{ matrix.python-version }} | ${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["macos-latest", "ubuntu-latest", "windows-latest"]
+        python-version: ["3.8", "3.9", "3.10"]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Cache conda
+        uses: actions/cache@v3
+        env:
+          # Increase this value to reset cache if ci/environment.yml has not changed
+          CACHE_NUMBER: 0
+        with:
+          path: ~/conda_pkgs_dir
+          key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('ci/environment-py${{ matrix.python-version }}.yml') }}
+      - uses: conda-incubator/setup-miniconda@v2
+        with:
+          mamba-version: "*" # activate this to build with mamba.
+          channels: conda-forge, defaults # These need to be specified to use mamba
+          # channel-priority: true
+          environment-file: ci/environment-py${{ matrix.python-version }}.yml
+
+          activate-environment: test_env_cf-pandas
+          use-only-tar-bz2: true # IMPORTANT: This needs to be set for caching to work properly!
+      - name: Set up conda environment
+        shell: bash -l {0}
+        run: |
+          python -m pip install -e . --no-deps --force-reinstall
+      - name: Run Tests
+        shell: bash -l {0}
+        run: |
+          pytest --cov=./ --cov-report=xml
+      - name: Upload code coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          file: ./coverage.xml
+          flags: unittests
+          env_vars: OS,PYTHON
+          name: codecov-umbrella
+          fail_ci_if_error: false