CI: run database tests only #39550 (#39666)

Author: fangchenli

.github/workflows/database.yml

@@ -12,17 +12,19 @@ env:
   PYTEST_WORKERS: "auto"
   PANDAS_CI: 1
   PATTERN: ((not slow and not network and not clipboard) or (single and db))
+  COVERAGE: true
 
 jobs:
-  Linux_py37_locale:
+  Linux_py37_IO:
     runs-on: ubuntu-latest
     defaults:
       run:
         shell: bash -l {0}
 
-    env:
-      ENV_FILE: ci/deps/actions-37-locale.yaml
-      LOCALE_OVERRIDE: zh_CN.UTF-8
+    strategy:
+      matrix:
+        ENV_FILE: [ci/deps/actions-37-db-min.yaml, ci/deps/actions-37-db.yaml]
+      fail-fast: false
 
     services:
       mysql:
@@ -63,106 +65,20 @@ jobs:
       with:
         path: ~/conda_pkgs_dir
         key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{
-          hashFiles('${{ env.ENV_FILE }}') }}
+          hashFiles('${{ matrix.ENV_FILE }}') }}
 
     - uses: conda-incubator/setup-miniconda@v2
       with:
         activate-environment: pandas-dev
         channel-priority: strict
-        environment-file: ${{ env.ENV_FILE }}
+        environment-file: ${{ matrix.ENV_FILE }}
         use-only-tar-bz2: true
 
     - name: Build Pandas
       uses: ./.github/actions/build_pandas
 
     - name: Test
-      run: ci/run_tests.sh
-      if: always()
-
-    - name: Build Version
-      run: pushd /tmp && python -c "import pandas; pandas.show_versions();" && popd
-
-    - name: Publish test results
-      uses: actions/upload-artifact@master
-      with:
-        name: Test results
-        path: test-data.xml
-      if: failure()
-
-    - name: Print skipped tests
-      run: python ci/print_skipped.py
-
-    - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
-      with:
-        flags: unittests
-        name: codecov-pandas
-        fail_ci_if_error: false
-
-  Linux_py37_cov:
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        shell: bash -l {0}
-
-    env:
-      ENV_FILE: ci/deps/actions-37-cov.yaml
-      PANDAS_TESTING_MODE: deprecate
-      COVERAGE: true
-
-    services:
-      mysql:
-        image: mysql
-        env:
-          MYSQL_ALLOW_EMPTY_PASSWORD: yes
-          MYSQL_DATABASE: pandas
-        options: >-
-          --health-cmd "mysqladmin ping"
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-        ports:
-          - 3306:3306
-
-      postgres:
-        image: postgres
-        env:
-          POSTGRES_USER: postgres
-          POSTGRES_PASSWORD: postgres
-          POSTGRES_DB: pandas
-        options: >-
-          --health-cmd pg_isready
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-        ports:
-          - 5432:5432
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v1
-
-    - name: Cache conda
-      uses: actions/cache@v1
-      env:
-        CACHE_NUMBER: 0
-      with:
-        path: ~/conda_pkgs_dir
-        key: ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{
-          hashFiles('${{ env.ENV_FILE }}') }}
-
-    - uses: conda-incubator/setup-miniconda@v2
-      with:
-        activate-environment: pandas-dev
-        channel-priority: strict
-        environment-file: ${{ env.ENV_FILE }}
-        use-only-tar-bz2: true
-
-    - name: Build Pandas
-      uses: ./.github/actions/build_pandas
-
-    - name: Test
-      run: ci/run_tests.sh
+      run: pytest -m "${{ env.PATTERN }}" -n 2 --dist=loadfile -s --strict-markers --durations=30 --junitxml=test-data.xml -s --cov=pandas --cov-report=xml pandas/tests/io
       if: always()
 
     - name: Build Version

ci/deps/actions-37-locale.yaml ci/deps/actions-37-db-min.yamlci/deps/actions-37-locale.yaml renamed to ci/deps/actions-37-db-min.yaml

@@ -7,6 +7,7 @@ dependencies:
   # tools
   - cython>=0.29.21
   - pytest>=5.0.1
+  - pytest-cov
   - pytest-xdist>=1.21
   - hypothesis>=3.58.0