add pytest workflow

Author: rtuszik

.github/workflows/pytest.yml

@@ -0,0 +1,42 @@
+name: pytest
+on:
+    pull_request:
+    workflow_dispatch:
+
+permissions:
+    contents: write
+    pull-requests: write
+
+jobs:
+    test:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v6
+
+            - name: Set up Python
+              uses: actions/setup-python@v6
+              with:
+                  python-version-file: "pyproject.toml"
+
+            - name: Install uv
+              uses: astral-sh/setup-uv@v7
+              with:
+                  enable-cache: true
+                  version: 0.*.*
+
+            - name: Install dependencies
+              run: uv sync --locked
+
+            - name: Run tests (with coverage)
+              run: |
+                  uv run pytest \
+                    --junitxml=pytest.xml \
+                    --cov-report=term-missing:skip-covered \
+                    --cov=. \
+                    | tee pytest-coverage.txt
+
+            - name: Pytest coverage comment
+              uses: MishaKav/pytest-coverage-comment@main
+              with:
+                  pytest-coverage-path: ./pytest-coverage.txt
+                  junitxml-path: ./pytest.xml