chore: only test Java 8 on Windows

.github/workflows/ci.yml

@@ -26,7 +26,8 @@ jobs:
       do_release: ${{ steps.config.outputs.do_release }}
       do_snapshot_release: ${{ steps.config.outputs.do_snapshot_release }}
       pom_version: ${{ steps.config.outputs.pom_version }}
-      do_test: ${{ steps.config.outputs.do_test }}
+      do_test_linux: ${{ steps.config.outputs.do_test_linux }}
+      do_test_windows: ${{ steps.config.outputs.do_test_windows }}
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v3
@@ -69,25 +70,27 @@ jobs:
           else
             echo "This run will NOT make a release"
           fi
-          echo "do_test=true" >> $GITHUB_OUTPUT
+          echo "do_test_linux=true" >> $GITHUB_OUTPUT
+          echo "do_test_windows=true" >> $GITHUB_OUTPUT
 
   # We run the tests on many OS / Java combinations but also the Compile step because some users build
   # their own jars from source, so it is good for CI to check that is working on all combinations.
-  test:
+  # We split windows and ubuntu because windows is so slow...
+  test_linux:
     needs: workflow_config
     strategy:
       fail-fast: false
       matrix:
         java_version: [ 8, 17 ]
-        os: [ ubuntu-latest, windows-latest ]
+        os: [ ubuntu-latest ]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout the repository
-        if: needs.workflow_config.outputs.do_test == 'true'
+        if: needs.workflow_config.outputs.do_test_linux == 'true'
         uses: actions/checkout@v3
 
       - name: Set up java
-        if: needs.workflow_config.outputs.do_test == 'true'
+        if: needs.workflow_config.outputs.do_test_linux == 'true'
         uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.java_version }}
@@ -96,16 +99,54 @@ jobs:
 
       # Compile / Test / Package are separate steps so the reason for any failure is more obvious in GitHub UI
       - name: Compile
-        if: needs.workflow_config.outputs.do_test == 'true'
+        if: needs.workflow_config.outputs.do_test_linux == 'true'
         run: gradle -q compileJava --no-daemon
 
       - name: Test
-        if: needs.workflow_config.outputs.do_test == 'true'
+        if: needs.workflow_config.outputs.do_test_linux == 'true'
         run: gradle test --no-daemon -i
 
       - name: Upload test reports
         uses: actions/upload-artifact@v3
-        if: needs.workflow_config.outputs.do_test == 'true'
+        if: needs.workflow_config.outputs.do_test_linux == 'true'
+        with:
+          # Using github.run_number here to reduce confusion when downloading & comparing from several builds
+          name: ${{ github.run_number }}-${{ matrix.os }}-java-${{ matrix.java_version }}-test-reports
+          path: build/reports/tests/
+
+  test_windows:
+    needs: workflow_config
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: [ 8 ]
+        os: [ windows-latest ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout the repository
+        if: needs.workflow_config.outputs.do_test_windows == 'true'
+        uses: actions/checkout@v3
+
+      - name: Set up java
+        if: needs.workflow_config.outputs.do_test_windows == 'true'
+        uses: actions/setup-java@v3
+        with:
+          java-version: ${{ matrix.java_version }}
+          distribution: temurin
+          cache: gradle
+
+      # Compile / Test / Package are separate steps so the reason for any failure is more obvious in GitHub UI
+      - name: Compile
+        if: needs.workflow_config.outputs.do_test_windows == 'true'
+        run: gradle -q compileJava --no-daemon
+
+      - name: Test
+        if: needs.workflow_config.outputs.do_test_windows == 'true'
+        run: gradle test --no-daemon -i
+
+      - name: Upload test reports
+        uses: actions/upload-artifact@v3
+        if: needs.workflow_config.outputs.do_test_windows == 'true'
         with:
           # Using github.run_number here to reduce confusion when downloading & comparing from several builds
           name: ${{ github.run_number }}-${{ matrix.os }}-java-${{ matrix.java_version }}-test-reports
@@ -166,7 +207,7 @@ jobs:
     if: |
       needs.workflow_config.outputs.do_release == 'true' ||
       needs.workflow_config.outputs.do_snapshot_release == 'true'
-    needs: [ workflow_config, build_artifacts, test ]
+    needs: [ workflow_config, build_artifacts, test_linux ]
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
@@ -228,7 +269,7 @@ jobs:
           gradle publish
 
   push_to_docker_registry:
-    needs: [ workflow_config, upload ]
+    needs: [ workflow_config, upload, test_linux, test_windows ]
     if: needs.workflow_config.outputs.do_release == 'true'
     runs-on: ubuntu-latest
     steps: