ci: add coverage badge updates

.gitea/workflows/update-badges.yml

@@ -7,7 +7,11 @@ on:
     paths:
       - '**.py'
       - '.pylintrc'
+      - '.coveragerc'
+      - '.gitea/workflows/update-badges.yml'
       - 'pyrightconfig.json'
+      - 'requirements-dev.txt'
+      - 'tests/**'
   workflow_dispatch:
 
 jobs:
@@ -37,6 +41,14 @@ jobs:
           echo "score=$SCORE" >> $GITHUB_OUTPUT
           echo "Pylint score: $SCORE"
 
+      - name: Run unit tests and extract coverage
+        id: coverage
+        run: |
+          python -m coverage run -m unittest discover -t . -s tests/unit -v
+          TOTAL=$(python -m coverage report --format=total)
+          echo "total=$TOTAL" >> $GITHUB_OUTPUT
+          echo "Coverage total: $TOTAL"
+
       - name: Run pyright and check errors
         id: pyright
         run: |
@@ -49,9 +61,13 @@ jobs:
         run: |
           PYLINT_SCORE="${{ steps.pylint.outputs.score }}"
           PYRIGHT_ERRORS="${{ steps.pyright.outputs.errors }}"
+          COVERAGE_TOTAL="${{ steps.coverage.outputs.total }}"
 
           PYLINT_SCORE_ENCODED=$(echo "$PYLINT_SCORE" | sed 's|/|%2F|g')
 
+          if [ -n "$COVERAGE_TOTAL" ]; then
+            sed -i "s|/badge/coverage-[^)]*|/badge/coverage-${COVERAGE_TOTAL}%25-brightgreen|" README.md
+          fi
           if [ -n "$PYLINT_SCORE_ENCODED" ]; then
             sed -i "s|/badge/pylint-[^)]*|/badge/pylint-${PYLINT_SCORE_ENCODED}-brightgreen|" README.md
           fi
@@ -60,7 +76,7 @@ jobs:
           fi
 
           echo "Updated badges:"
-          grep -E "pylint|pyright" README.md | head -2
+          grep -E "coverage|pylint|pyright" README.md | head -3
 
       - name: Commit and push badge updates
         run: |
@@ -73,7 +89,7 @@ jobs:
           else
             echo "Badge changes detected, committing..."
             git add README.md
-            MSG="chore: update quality badges"$'\n\n'"- Pylint: ${{ steps.pylint.outputs.score }}"$'\n'"- Pyright: ${{ steps.pyright.outputs.errors }} errors"$'\n\n'"[skip ci]"
+            MSG="chore: update quality badges"$'\n\n'"- Coverage: ${{ steps.coverage.outputs.total }}"$'\n'"- Pylint: ${{ steps.pylint.outputs.score }}"$'\n'"- Pyright: ${{ steps.pyright.outputs.errors }} errors"$'\n\n'"[skip ci]"
             git commit -m "$MSG"
             git push
           fi

README.md

@@ -5,6 +5,7 @@
 # bot-bottle
 
 [![test](https://gitea.dideric.is/didericis/bot-bottle/actions/workflows/test.yml/badge.svg?branch=main)](https://gitea.dideric.is/didericis/bot-bottle/actions?workflow=test.yml)
+[![coverage](https://img.shields.io/badge/coverage-0%25-brightgreen)](https://coverage.readthedocs.io/)
 [![pylint](https://img.shields.io/badge/pylint-9.93%2F10-brightgreen)](https://github.com/PyCQA/pylint)
 [![pyright](https://img.shields.io/badge/pyright-0%20errors-brightgreen)](https://github.com/microsoft/pyright)