Update python-ci.yml

.github/workflows/python-ci.yml

@@ -1,3 +1,6 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
 name: Python CI
 
 on:
@@ -16,31 +19,41 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout code
+      - uses: actions/checkout@v4
-        uses: actions/checkout@v4
-
       - name: Set up Python 3.11.9
         uses: actions/setup-python@v3
+        if: ${{ hashFiles('./test') != '' }}
         with:
           python-version: "3.11.9"
-
       - name: Install dependencies
+        if: ${{ hashFiles('./test') != '' }}
         run: |
           python -m pip install --upgrade pip
           if [ -f system/requirements/requirements_unit_test.txt ]; then
             pip install -r system/requirements/requirements_unit_test.txt;
           fi
-
       - name: Test with pytest
+        if: ${{ hashFiles('./test') != '' }}
         run: |
           pytest test --doctest-modules --junitxml=junit/test-results.xml --cov=com --cov-report=xml --cov-report=html
-
       - name: Surface failing tests
         if: always()
         uses: pmeier/pytest-results-action@v0.6.0
         with:
+          # A list of JUnit XML files, directories containing the former, and wildcard
+          # patterns to process.
+          # See @actions/glob for supported patterns.
           path: junit/test-results.xml
+
+          # (Optional) Add a summary of the results at the top of the report
           summary: true
+
+          # (Optional) Select which results should be included in the report.
+          # Follows the same syntax as `pytest -r`
           display-options: fEX
+
+          # (Optional) Fail the workflow if no JUnit XML was found.
           fail-on-empty: false
+
+          # (Optional) Title of the test results section in the workflow summary
           title: Test results