Revert "Remove duplicate tests"

.github/workflows/ci-additional.yaml

@@ -30,6 +30,94 @@ jobs:
         with:
           keyword: "[skip-ci]"
 
+  # This job is deprecated and can be removed soon. It's still here in case the
+  # move consolidate with `ci.yaml` missed something which the existing test
+  # picks up.
+  test:
+    name: ${{ matrix.os }} ${{ matrix.env }}
+    runs-on: ${{ matrix.os }}
+    needs: detect-ci-trigger
+    if: needs.detect-ci-trigger.outputs.triggered == 'false'
+    defaults:
+      run:
+        shell: bash -l {0}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu-latest"]
+        env: [
+            # Minimum python version:
+            "py38-bare-minimum",
+            "py38-min-all-deps",
+
+            # Latest python version:
+            "py39-all-but-dask",
+            "py39-flaky",
+          ]
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0 # Fetch all history for all branches and tags.
+
+      - name: Set environment variables
+        run: |
+          if [[ ${{ matrix.env }} == "py39-flaky" ]] ;
+          then
+            echo "CONDA_ENV_FILE=ci/requirements/environment.yml" >> $GITHUB_ENV
+            echo "PYTEST_EXTRA_FLAGS=--run-flaky --run-network-tests" >> $GITHUB_ENV
+
+          else
+            echo "CONDA_ENV_FILE=ci/requirements/${{ matrix.env }}.yml" >> $GITHUB_ENV
+          fi
+
+      - name: Cache conda
+        uses: actions/cache@v3
+        with:
+          path: ~/conda_pkgs_dir
+          key: ${{ runner.os }}-conda-${{ matrix.env }}-${{
+            hashFiles('ci/requirements/**.yml') }}
+
+      - uses: conda-incubator/setup-miniconda@v2
+        with:
+          channels: conda-forge
+          channel-priority: strict
+          mamba-version: "*"
+          activate-environment: xarray-tests
+          auto-update-conda: false
+          python-version: 3.9
+          use-only-tar-bz2: true
+
+      - name: Install conda dependencies
+        run: |
+          mamba env update -f $CONDA_ENV_FILE
+
+      - name: Install xarray
+        run: |
+          python -m pip install --no-deps -e .
+
+      - name: Version info
+        run: |
+          conda info -a
+          conda list
+          python xarray/util/print_versions.py
+      - name: Import xarray
+        run: |
+          python -c "import xarray"
+      - name: Run tests
+        run: |
+          python -m pytest -n 4 \
+             --cov=xarray \
+             --cov-report=xml \
+             $PYTEST_EXTRA_FLAGS
+
+      - name: Upload code coverage to Codecov
+        uses: codecov/codecov-action@v3.1.0
+        with:
+          file: ./coverage.xml
+          flags: unittests,${{ matrix.env }}
+          env_vars: RUNNER_OS
+          name: codecov-umbrella
+          fail_ci_if_error: false
   doctest:
     name: Doctests
     runs-on: "ubuntu-latest"
@@ -132,5 +220,5 @@ jobs:
       - name: minimum versions policy
         run: |
           mamba install -y pyyaml conda python-dateutil
-          python ci/min_deps_check.py ci/requirements/bare-minimum.yml
-          python ci/min_deps_check.py ci/requirements/min-all-deps.yml
+          python ci/min_deps_check.py ci/requirements/py38-bare-minimum.yml
+          python ci/min_deps_check.py ci/requirements/py38-min-all-deps.yml

.github/workflows/ci.yaml

@@ -30,7 +30,7 @@ jobs:
         with:
           keyword: "[skip-ci]"
   test:
-    name: ${{ matrix.os }} py${{ matrix.python-version }} ${{ matrix.env }}
+    name: ${{ matrix.os }} py${{ matrix.python-version }}
     runs-on: ${{ matrix.os }}
     needs: detect-ci-trigger
     if: needs.detect-ci-trigger.outputs.triggered == 'false'
@@ -45,18 +45,18 @@ jobs:
         python-version: ["3.8", "3.10"]
         include:
           # Minimum python version:
-          - env: "bare-minimum"
-            python-version: "3.8"
+          - env: "py38-bare-minimum"
+            python-version: 3.8
             os: ubuntu-latest
-          - env: "min-all-deps"
-            python-version: "3.8"
+          - env: "py38-min-all-deps"
+            python-version: 3.8
             os: ubuntu-latest
           # Latest python version:
-          - env: "all-but-dask"
-            python-version: "3.10"
+          - env: "py39-all-but-dask"
+            python-version: 3.9
             os: ubuntu-latest
-          - env: "flaky"
-            python-version: "3.10"
+          - env: "py39-flaky"
+            python-version: 3.9
             os: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -69,7 +69,7 @@ jobs:
             echo "CONDA_ENV_FILE=ci/requirements/environment-windows.yml" >> $GITHUB_ENV
           elif [[ "${{ matrix.env }}" != "" ]] ;
           then
-            if [[ "${{ matrix.env }}" == "flaky" ]] ;
+            if [[ "${{ matrix.env }}" == "py39-flaky" ]] ;
             then
               echo "CONDA_ENV_FILE=ci/requirements/environment.yml" >> $GITHUB_ENV
               echo "PYTEST_EXTRA_FLAGS=--run-flaky --run-network-tests" >> $GITHUB_ENV
@@ -88,7 +88,8 @@ jobs:
         uses: actions/cache@v3
         with:
           path: ~/conda_pkgs_dir
-          key: ${{ runner.os }}-conda-py${{ matrix.python-version }}-${{ hashFiles('ci/requirements/**.yml') }}-${{ matrix.env }}
+          key: ${{ runner.os }}-conda-py${{ matrix.python-version }}-${{
+            hashFiles('ci/requirements/**.yml') }}
 
       - uses: conda-incubator/setup-miniconda@v2
         with:
@@ -105,7 +106,8 @@ jobs:
         uses: actions/cache@v3
         with:
           path: /usr/share/miniconda/envs/xarray-tests
-          key: ${{ runner.os }}-conda-py${{ matrix.python-version }}-${{ hashFiles('ci/requirements/**.yml') }}-${{ matrix.env }}
+          key: ${{ runner.os }}-conda-py${{ matrix.python-version }}-${{
+            hashFiles('ci/requirements/**.yml') }}
 
       - name: Install conda dependencies
         run: |

ci/requirements/all-but-dask.yml → ci/requirements/py39-all-but-dask.yml

@@ -3,7 +3,7 @@ channels:
   - conda-forge
   - nodefaults
 dependencies:
-  - python=3.10
+  - python=3.9
   - black
   - aiobotocore
   - boto3
@@ -17,7 +17,7 @@ dependencies:
   - h5py
   - hdf5
   - hypothesis
-  - lxml # Optional dep of pydap
+  - lxml    # Optional dep of pydap
   - matplotlib-base
   - nc-time-axis
   - netcdf4
@@ -42,4 +42,4 @@ dependencies:
   - typing_extensions
   - zarr
   - pip:
-      - numbagg
+    - numbagg

doc/getting-started-guide/installing.rst

@@ -102,7 +102,7 @@ release is guaranteed to work.
 
 You can see the actual minimum tested versions:
 
-`<https://github.com/pydata/xarray/blob/main/ci/requirements/min-all-deps.yml>`_
+`<https://github.com/pydata/xarray/blob/main/ci/requirements/py38-min-all-deps.yml>`_
 
 .. _installation-instructions: