Start tracking code coverage (#580)

.github/workflows/ci.yml

@@ -86,9 +86,11 @@ jobs:
       - run: mypy aioesphomeapi
         name: Check typing with mypy
         if: ${{ matrix.python-version == '3.11' && matrix.extension == 'skip_cython' }}
-      - run: pytest -vv --tb=native tests
+      - run: pytest -vv --cov --cov-report=xml --tb=native tests
         name: Run tests with pytest
-      - run: |
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+      - run: |      
           docker run \
             -v "$PWD":/aioesphomeapi \
             ghcr.io/esphome/aioesphomeapi-proto-builder:latest

requirements_test.txt

@@ -7,3 +7,4 @@ types-protobuf==4.24.0.2
 pytest>=6.2.4,<8
 pytest-asyncio>=0.15.1,<1
 mock>=4.0.3,<6
+pytest-cov>=4.1.0