separate jobs

.github/workflows/tests.yml

@@ -4,24 +4,54 @@ on: [pull_request]
 
 
 jobs:
-  test:
+  lower-bound-packages:
     if: "!contains(github.event.head_commit.message, '[skip ci]')"
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        include:
-          # lower bound version of packages
-          - python-version: '3.9'
-            pip-args: '.[tests,dev,minver]'
-            label: 'lower-bound'
-          # upper bound version of packages (unpinned)
-          - python-version: '3.x'
-            pip-args: '.[tests,dev]'
-            label: 'unpinned'
 
     steps:
       # SETUP
+      ############################
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}  # Ensure branch is checked out, not detached state (so we can push a commit later)
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.9
+          cache: 'pip'
 
+      - name: Add checkout directory to PYTHONPATH
+        run: echo "PYTHONPATH=$(pwd):$PYTHONPATH" >> $GITHUB_ENV
+
+      - name: Install dependencies
+        id: install-dependencies
+        run: |
+          pip install .[tests,minver]
+          pip uninstall dagrunner -y
+
+      - name: Set up SSH for localhost
+        run: |
+          ssh-keygen -t rsa -N "" -f ~/.ssh/id_rsa
+          cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
+          ssh-keyscan -H $(hostname) >> ~/.ssh/known_hosts
+          chmod 600 ~/.ssh/authorized_keys
+
+      # TESTS
+      ############################
+      - name: Run pytest
+        run: pytest .
+
+
+  unpinned-packages:
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
+    runs-on: ubuntu-latest
+
+    steps:
+      # SETUP
+      ############################
       - name: Checkout code
         uses: actions/checkout@v4
         with:
@@ -31,7 +61,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: 3.x
           cache: 'pip'
 
       - name: Add checkout directory to PYTHONPATH
@@ -40,7 +70,7 @@ jobs:
       - name: Install dependencies
         id: install-dependencies
         run: |
-          pip install ${{ matrix.pip-args }}
+          pip install .[tests,dev]
           pip uninstall dagrunner -y
 
       - name: Set up SSH for localhost
@@ -51,13 +81,12 @@ jobs:
           chmod 600 ~/.ssh/authorized_keys
 
       # TESTS (inc. test coverage)
-
-      # excluded logging as per https://github.com/MetOffice/dagrunner/issues/39
+      ############################
       - name: Run pytest + coverage report gen
         run: pytest --cov=dagrunner --cov-report=term --cov-report=html | tee coverage_output.txt; test ${PIPESTATUS[0]} -eq 0
 
-      # TESTS (main branch)
-
+      # TESTS ('main' branch)
+      ############################
       - name: Cache ref branch coverage report
         id: cache-ref-coverage
         uses: actions/cache@v4
@@ -72,18 +101,16 @@ jobs:
           path: ref
           ref: ${{ github.base_ref }}
 
-      # excluded logging as per https://github.com/MetOffice/dagrunner/issues/39
       - name: Run tests with coverage for ref branch
         if: steps.cache-ref-coverage.outputs.cache-hit != 'true'
         run: |
           cd ref
           pytest --cov=dagrunner --cov-report=term --cov-report=html | tee coverage_output.txt; test ${PIPESTATUS[0]} -eq 0
 
       # TESTS (compare coverage)
-
+      ############################
       - name: Compare coverage
         id: comp-coverage
-        if: ${{ matrix.label == 'unpinned' }}
         run: |
             pr_coverage_total=$(grep TOTAL coverage_output.txt | awk '{print $NF}' | awk '{print substr($0, 1, length($0)-1)}')
             echo "pr_coverage_total=$pr_coverage_total" | tee -a $GITHUB_OUTPUT
@@ -96,7 +123,7 @@ jobs:
             fi
 
       - name: Comment coverage report
-        if: ${{ matrix.label == 'unpinned' && steps.comp-coverage.outputs.coverage_decreased == 'true' }}
+        if: steps.comp-coverage.outputs.coverage_decreased == 'true'
         uses: actions/github-script@v7
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -113,7 +140,7 @@ jobs:
             });
 
       - name: Upload coverage report
-        if: ${{ matrix.label == 'unpinned' && steps.comp-coverage.outputs.coverage_decreased == 'true' }}
+        if: steps.comp-coverage.outputs.coverage_decreased == 'true'
         uses: actions/upload-artifact@v4
         with:
           name: coverage-report-pr
@@ -122,39 +149,33 @@ jobs:
             htmlcov/
 
       # PRE-COMMIT
-
+      ############################
       - name: Python interpreter version sha (PYSHA)
-        if: ${{ matrix.label == 'unpinned' }}
         run: echo "PYSHA=$(python -VV | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV
 
       - name: Cache pre-commit
-        if: ${{ matrix.label == 'unpinned' }}
         uses: actions/cache@v3
         id: pre-commit-cache
         with:
           path: ~/.cache/pre-commit
           key: pre-commit|${{ env.PYSHA }}|${{ hashFiles('.pre-commit-config.yaml') }}
 
       - name: pre-commit install
-        if: ${{ matrix.label == 'unpinned' }}
         run: |
           pre-commit install
 
       - name: pre-commit run
-        if: ${{ matrix.label == 'unpinned' }}
         run: |
           pre-commit run --all-files
 
       # DOCUMENTATION
-
+      ############################
       - name: Build documentation
-        if: ${{ matrix.label == 'unpinned' }}
         run: |
           ./docs/gen_docs dagrunner ./docs
 
       - name: Check if documentation has changed
         id: check-docs
-        if: ${{ matrix.label == 'unpinned' }}
         run: |
           echo "changed=$(git diff --quiet --exit-code || echo true)" | tee -a $GITHUB_OUTPUT
 
@@ -163,7 +184,7 @@ jobs:
       # success of all previous steps.  A pushed commit will not trigger the re-running
       # of this workflow.
       - name: Commit and push documentation changes
-        if: ${{ matrix.label == 'unpinned' && steps.check-docs.outputs.changed == 'true' }}
+        if: steps.check-docs.outputs.changed == 'true'
         run: |
           git config user.name github-actions[bot]
           git config user.email 41898282+github-actions[bot]@users.noreply.github.com