Add workflow to run python tests

.github/workflows/test-python.yml

@@ -0,0 +1,49 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: Python tests
+
+on:
+  push:
+    paths:
+      - "generated/python/datadoc_model"
+      - ".github/workflows/test-python.yml"
+
+permissions:
+  contents: read
+  issues: write
+  pull-requests: write
+
+jobs:
+  run-unit-tests:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./generated/python/datadoc_model
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v1
+        with:
+          python-version: "3.11"
+      - uses: Gr1N/setup-poetry@v8
+      - uses: actions/cache@v2
+        with:
+          path: ~/.cache/pypoetry/virtualenvs
+          key: ${{ runner.os }}-poetry-${{ hashFiles('poetry.lock') }}
+      - name: Print Poetry version
+        run: poetry --version
+      - name: Install dependencies
+        run: |
+          poetry install --all-extras
+      - name: Run unit tests
+        run: |
+          set -o pipefail; poetry run pytest -v --cache-clear --junitxml=pytest.xml --cov-report=term-missing --cov=datadoc | tee pytest-coverage.txt
+      - name: Pytest coverage comment
+        id: coverageComment
+        # Always run
+        if: ${{ success() || failure() }}
+        uses: MishaKav/pytest-coverage-comment@main
+        with:
+          github-token: ${{github.token}}
+          pytest-coverage-path: ./pytest-coverage.txt
+          junitxml-path: ./pytest.xml