ci: refine tester dockerfile (#293)

This PR refines the test dockerfile and entrypoint.sh to allow passing coverage report from within the tester container to outer.

.github/workflows/test.yml

@@ -11,11 +11,13 @@ jobs:
         uses: actions/checkout@v3
       - name: Build ota-test_base docker image
         run: |
-          docker-compose -f docker/docker-compose_tests.yml build
+          docker compose -f docker/docker-compose_tests.yml build
       - name: Execute pytest with coverage trace under ota-test_base container
         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 -p test_result
+          docker compose -f docker/docker-compose_tests.yml up --abort-on-container-exit
+
       # export the coverage report to the comment!
       - name: Add coverage report to PR comment
         continue-on-error: true

.gitignore

@@ -166,3 +166,6 @@ build
 # local vscode configs
 .devcontainer
 .vscode
+
+# local test artifacts
+test_result/

docker/docker-compose_tests.yml

@@ -6,10 +6,10 @@ services:
       dockerfile: ./docker/test_base/Dockerfile
     image: ota-test_base
     network_mode: bridge
-    command: "python3 -m pytest"
     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

docker/test_base/entry_point.sh

@@ -24,5 +24,7 @@ TESTS_DEPENDENCIES="${OTA_CLIENT_DIR}/tests/requirements.txt"
     python3 -m pip install --no-cache-dir -q -r $TESTS_DEPENDENCIES
 
 # exec the input params
-echo "execute command..."
-exec "$@"
+echo "execute test with coverage"
+cd "${OTA_CLIENT_DIR}"
+coverage run -m pytest --junit-xml=test_result/pytest.xml "${@:-}"
+coverage xml -o test_result/coverage.xml