ci: try using coverage directly in action

.github/workflows/test.yml

@@ -3,6 +3,7 @@ name: test CI
 on: [pull_request]
 
 jobs:
+
   pytest_with_coverage:
     runs-on: ubuntu-20.04
     timeout-minutes: 20
@@ -13,13 +14,19 @@ jobs:
         run: |
           docker-compose -f docker/docker-compose_tests.yml build
       - name: Execute pytest with coverage trace under ota-test_base container
+        # NOTE: test_result folder holds the coverage.xml, check docker-compose_tests.yml for
+        #       coverage execution command line and volumes configurations.
         run: |
           set -o pipefail
-          docker-compose -f docker/docker-compose_tests.yml up --no-log-prefix --abort-on-container-exit | tee pytest-coverage.txt
+          mkdir test_result
+          docker-compose -f docker/docker-compose_tests.yml up --no-log-prefix --abort-on-container-exit
       # export the coverage report to the comment!
       - name: Add coverage report to PR comment
         continue-on-error: true
-        uses: MishaKav/[email protected]
+        uses: MishaKav/[email protected]
+        with:
+          - pytest-xml-coverage-path: ./test_result/coverage.xml
+
   python_lint_check:
     runs-on: ubuntu-20.04
     timeout-minutes: 3

docker/docker-compose_tests.yml

@@ -6,10 +6,11 @@ services:
       dockerfile: ./docker/test_base/Dockerfile
     image: ota-test_base
     network_mode: bridge
-    command: "python3 -m pytest"
+    command: "bash -c 'coverage run -m pytest tests/test_boot_control && coverage xml -o test_result/coverage.xml'"
     container_name: ota-test
     volumes:
       - ../pyproject.toml:/ota-client/pyproject.toml:ro
       - ../.flake8:/ota-client/.flake8:ro
       - ../otaclient:/ota-client/otaclient:ro
       - ../tests:/ota-client/tests:ro
+      - ../test_result:/ota-client/test_result:rw