Add a retro-compatibility check (#148)

* Add a retro-compatibility job

* Releaser uses build to generate the wheel

* Add 222 to retro

Author: PProfizi

.github/workflows/ci.yml

@@ -88,6 +88,63 @@ jobs:
       - name: "Upload coverage to Codecov"
         uses: codecov/codecov-action@v3
 
+  retro:
+    name: "Retro-compatibility"
+    if: startsWith(github.head_ref, 'master') || contains(github.head_ref, 'release') || contains(github.head_ref, 'retro') || startsWith(github.ref, 'refs/tags/v')
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.7"]
+        os: ["windows-latest", "ubuntu-latest"]
+        ANSYS_VERSION: ["222", "221"]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: "Build Package"
+        uses: pyansys/pydpf-actions/build_package@feat/use_build
+        with:
+          python-version: ${{ matrix.python-version }}
+          ANSYS_VERSION: ${{env.ANSYS_VERSION}}
+          PACKAGE_NAME: ${{env.PACKAGE_NAME}}
+          MODULE: ${{env.MODULE}}
+          dpf-standalone-TOKEN: ${{secrets.DPF_PIPELINE}}
+          install_extras: plotting
+          wheel: false
+          extra-pip-args: ${{ env.extra }}
+
+      - name: "Install ansys-grpc-dpf==0.4.0"
+        shell: bash
+        run: |
+          pip install ansys-grpc-dpf==0.4.0
+        if: matrix.ANSYS_VERSION == '221'
+
+      - name: "Prepare Testing Environment"
+        uses: pyansys/pydpf-actions/prepare_tests@feat/use_build
+        with:
+          DEBUG: true
+
+      - name: "Test API"
+        shell: bash
+        working-directory: tests
+        run: |
+          pytest $DEBUG --cov=ansys.dpf.${{env.MODULE}} --cov-report=xml --cov-report=html --cov-append --log-level=ERROR --junitxml=junit/test-results.xml --reruns 2 .
+
+      - name: "Kill all servers"
+        uses: pyansys/pydpf-actions/kill-dpf-servers@feat/use_build
+        if: always()
+
+      - name: "Upload Test Results"
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ env.PACKAGE_NAME }}_${{ matrix.python-version }}_${{ matrix.os }}_pytest_${{ env.ANSYS_VERSION }}
+          path: tests/junit/test-results.xml
+        if: always()
+
+      - name: "Upload coverage to Codecov"
+        uses: codecov/codecov-action@v3
+
   docs:
     name: Documentation
     runs-on: ubuntu-latest
@@ -111,7 +168,7 @@ jobs:
   draft_release:
     name: "Draft release"
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
-    needs: [style, build_test, docs]
+    needs: [style, build_test, retro, docs]
     runs-on: ubuntu-latest
     steps:
       - name: "Set up Python"