SONARJAVA-6211 Upload artifacts if ruling or autoscan fails (#5532)

Author: tomasz-tylenda-sonarsource

.github/actions/upload-actual/action.yml

@@ -0,0 +1,49 @@
+name: Upload Actual Results
+description: Upload test artifacts and diffs when an integration test fails
+
+inputs:
+  name:
+    description: Name used for the uploaded artifacts. We upload actual_name and diff_name.
+    required: true
+  it-dir:
+    description: Path to integration tests.
+    required: true
+  expected-dir:
+    description: Relative path to expected test results.
+    required: true
+  actual-dir:
+    description: Relative path to actual test results.
+    required: true
+
+env:
+  RETENTION_DAYS: 7
+
+runs:
+  using: composite
+  steps:
+    - name: Upload Actual Results
+      uses: actions/upload-artifact@v4
+      with:
+        name: actual_${{ inputs.name }}
+        path: ${{ inputs.it-dir }}/${{ inputs.actual-dir }}
+        retention-days: ${{ env.RETENTION_DAYS }}
+
+    - name: Generate Diff Report
+      shell: bash
+      env:
+        IT_DIR: ${{ inputs.it-dir }}
+        EXPECTED_DIR: ${{ inputs.expected-dir }}
+        ACTUAL_DIR: ${{ inputs.actual-dir }}
+        NAME: ${{ inputs.name }}
+      run: |
+        cd "${IT_DIR}"
+        mkdir -p target
+        diff --unified --recursive --strip-trailing-cr "${EXPECTED_DIR}" "${ACTUAL_DIR}" > "target/test.diff" || true
+        npx diff2html-cli --input file --style side --file "target/diff_${NAME}.html" -- "target/test.diff"
+
+    - name: Upload Diff Report
+      uses: actions/upload-artifact@v4
+      with:
+        name: diff_${{ inputs.name }}
+        path: ${{ inputs.it-dir }}/target/diff_${{ inputs.name }}.html
+        retention-days: ${{ env.RETENTION_DAYS }}

.github/workflows/build.yml

@@ -98,6 +98,14 @@ jobs:
         run: |
           cd its/ruling
           mvn package --batch-mode "-Pit-ruling,${{ matrix.item.profile }}" -Dsonar.runtimeVersion=LATEST_RELEASE -Dmaven.test.redirectTestOutputToFile=false -B -e -V -Dparallel=methods -DuseUnlimitedThreads=true
+      - name: Upload Actual Results On Failure
+        if: failure()
+        uses: ./.github/actions/upload-actual
+        with:
+          name: ${{ matrix.item.runner }}_${{ matrix.item.profile }}
+          it-dir: its/ruling
+          expected-dir: src/test/resources
+          actual-dir: target/actual
 
   plugin-qa:
     strategy:
@@ -323,6 +331,14 @@ jobs:
           -Dmaven.test.redirectTestOutputToFile=false
           -Dparallel=methods
           -DuseUnlimitedThreads=true
+      - name: Upload Actual Results On Failure
+        if: failure()
+        uses: ./.github/actions/upload-actual
+        with:
+          name: autoscan
+          it-dir: its/autoscan
+          expected-dir: src/test/resources/autoscan/diffs
+          actual-dir: target/actual/autoscan-diffs
 
   qa-os-win:
     name: Build and Unit Test on Windows