[core] Add pr-html-generator (#2525)

.github/workflows/prhtmlgenerator.yml

@@ -0,0 +1,59 @@
+name: 'PR Testing'
+
+on:
+  pull_request_target:
+    branches: [ master ]
+
+jobs:
+  test-pr:
+    name: Generate HTML
+    runs-on: ubuntu-latest
+    # Needs additional permissions https://github.com/actions/first-interaction/issues/10#issuecomment-1041402989
+    steps:
+      - name: Check out self
+        uses: actions/checkout@v2.3.2
+        with:
+          ref: ${{github.event.pull_request.head.ref}}
+          repository: ${{github.event.pull_request.head.repo.full_name}}
+      - name: Check out rss-bridge
+        run: |
+          PR=${{github.event.number}};
+          mv .github/prtester-requirements.txt ./requirements.txt;
+          mv .github/prtester.py .;
+          wget https://patch-diff.githubusercontent.com/raw/$GITHUB_REPOSITORY/pull/$PR.patch;
+          cat $PR.patch | grep " bridges/.*\.php" | sed "s= bridges/\(.*\)Bridge.php.*=\1=g" | sort | uniq > whitelist.txt
+      - name: Start Docker - Current
+        run: |
+          docker run -d -v $GITHUB_WORKSPACE/whitelist.txt:/app/whitelist.txt -p 3000:80 ghcr.io/rss-bridge/rss-bridge:latest
+      - name: Start Docker - PR
+        run: |
+          docker build -t prbuild .;
+          docker run -d -v $GITHUB_WORKSPACE/whitelist.txt:/app/whitelist.txt -p 3001:80 prbuild
+      - name: Setup python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.7'
+          cache: 'pip'
+      - name: Install requirements
+        run: |
+          cd $GITHUB_WORKSPACE
+          pip install -r requirements.txt
+      - name: Run bridge tests
+        run: |
+          mkdir results;
+          python prtester.py
+      - name: Find result files
+        uses: tj-actions/glob@v7.10
+        id: artifacts
+        with:
+          files: |
+            ./results/*.html
+      - name: Upload results to PR
+        uses: yamanq/pull-request-artifacts@v1.3.1
+        with:
+          commit: ${{ github.event.pull_request.head.sha }}
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          artifacts-branch: artifacts
+          artifacts-prefix-url: "https://htmlpreview.github.io/?"
+          artifacts: |
+            ${{ steps.artifacts.outputs.paths }}