try code coverage

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches: [ main, feat/* ]
+
+jobs:
+  hello_world_job:
+    runs-on: ubuntu-latest
+    name: Check coverage
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python
+        id: setup-python
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.8
+
+      - name: Install deps
+        run: pip install -r requirements-dev.txt
+
+      - name: Launch tests & generate report
+        run: pytest .
+
+      - name: Coverage comment
+        id: coverage_comment
+        uses: py-cov-action/python-coverage-comment-action@v3
+        with:
+          GITHUB_TOKEN: ${{ github.token }}
+          VERBOSE: true
+
+      - name: Store Pull Request comment to be posted
+        uses: actions/upload-artifact@v2
+        if: steps.coverage_comment.outputs.COMMENT_FILE_WRITTEN == 'true'
+        with:
+          # If you use a different name, update COMMENT_ARTIFACT_NAME accordingly
+          name: python-coverage-comment-action
+          # If you use a different name, update COMMENT_FILENAME accordingly
+          path: python-coverage-comment-action.txt

.github/workflows/coverage.yml

@@ -0,0 +1,21 @@
+name: Post coverage comment
+
+on:
+  workflow_run:
+    workflows: ["CI"]
+    types:
+      - completed
+
+jobs:
+  test:
+    name: Run tests & display coverage
+    runs-on: ubuntu-latest
+    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
+    steps:
+
+      - name: Post comment
+        uses: py-cov-action/python-coverage-comment-action@v3
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_PR_RUN_ID: ${{ github.event.workflow_run.id }}
+          VERBOSE: true

requirements-dev.txt

@@ -1,4 +1,5 @@
 pytest
+pytest-cov
 flake8
 autopep8
 pre-commit