Generate and upload code coverage

.github/workflows/test.yaml

@@ -4,11 +4,13 @@ on: [ push, pull_request ]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.6", "3.7", "3.8", "3.10"]
+        include:
+          - python-version: "3.9"
+            use_coverage: 'coverage'
 
     steps:
     - uses: actions/checkout@v2
@@ -31,5 +33,18 @@ jobs:
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Install Tox and any other packages
       run: pip install tox
-    - name: Run Tox
+
+    - name: Test without coverage
+      if: "! matrix.use_coverage"
       run: tox -e py  # Run tox using the version of Python in `PATH`
+
+    - name: Test with coverage
+      if: "matrix.use_coverage"
+      run: tox -e py-coverage
+
+    - name: Upload coverage to Codecov
+      if: "matrix.use_coverage"
+      uses: codecov/codecov-action@v2
+      with:
+        fail_ci_if_error: true
+        verbose: true

codecov.yml

@@ -0,0 +1,6 @@
+# reference: https://docs.codecov.io/docs/codecovyml-reference
+coverage:
+  status:
+    patch: true
+    project: false
+comment: false

test-requirements.txt

@@ -9,7 +9,6 @@ mock>=2.0.0
 sphinx>=1.4 # BSD
 recommonmark
 sphinx_markdown_tables
-codecov>=1.4.0
 pycodestyle
 autopep8
 isort

tox.ini

@@ -11,8 +11,11 @@ deps = -r{toxinidir}/test-requirements.txt
        -r{toxinidir}/requirements.txt
 commands =
    python -V
-   !functional: pytest -vvv -s --ignore=kubernetes/e2e_test
+   !functional: pytest -vvv -s {env:_TOX_COVERAGE_RUN:} --ignore=kubernetes/e2e_test
    functional: {toxinidir}/scripts/kube-init.sh pytest -vvv -s []
+   coverage: python -m coverage xml
+setenv =
+   coverage: _TOX_COVERAGE_RUN=--cov=kubernetes/watch --cov=kubernetes/config
 
 [testenv:docs]
 commands =
@@ -21,12 +24,3 @@ commands =
 [testenv:update-pycodestyle]
 commands =
    {toxinidir}/scripts/update-pycodestyle.sh
-
-[testenv:coverage]
-commands =
-   python -V
-   pytest --cov=kubernetes/watch --cov=kubernetes/config kubernetes/watch kubernetes/config
-
-[testenv:codecov]
-commands =
-   codecov