Reconfigured unit test workflow

.github/workflows/run-tests.yaml

@@ -7,23 +7,24 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout project
+        uses: actions/checkout@v4
+
+      # Configured following guide at:
+      # https://github.com/actions/setup-python/blob/main/docs/advanced-usage.md#caching-packages
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.11"
-      - name: Display Python version
-        run: python -c "import sys; print(sys.version)"
-
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install pytest
+          cache: "poetry" # caching dependencies from poetry.lock
 
-      - name: Run unit tests
-        run: pytest tests/unit
+      - name: Install Poetry dependencies
+        run: poetry install
+
+      - name: Run pytest unit tests
+        run: poetry run pytest tests/unit
 
-      # - name: Run integration tests
-      #   run: pytest tests/integration
-      # - name: Run end-to-end tests
-      #   run: pytest tests/end_to_end
+      # - name: Run pytest integration tests
+      #   run: poetry run pytest tests/integration
+      # - name: Run pytest end-to-end tests
+      #   run: poetry run pytest tests/end_to_end