Add Codecov to CI workflow

.github/workflows/ci.yaml

@@ -120,7 +120,11 @@ jobs:
           source "$PYTHON_VIRTUALENV_ACTIVATE"
           make test-coverage-report
 
-          codecov
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v3.1.2
+        with:
+          directory: ./test-reports/coverage/
+          fail_ci_if_error: true
 
       - name: Check that compiled Python dependency manifests are up-to-date with their sources
         # FIXME: There are issues related to testing with multiple Python versions.

Makefile

@@ -21,7 +21,7 @@ TOXENV ?= py310
 .PHONY: clean clean-build clean-pyc clean-test
 .PHONY: install-dev install-deps-dev
 .PHONY: lint lint-fix test test-all test-coverage
-.PHONY: test-coverage-report test-coverage-report-console test-coverage-report-html
+.PHONY: test-coverage-report test-coverage-report-console test-coverage-report-xml test-coverage-report-html
 .PHONY: build dist deploy upload-release
 .PHONE: python-virtualenv
 .PHONY: python-deps-compile python-deps-sync-check python-pip-tools-install
@@ -87,12 +87,16 @@ test-coverage: ## run tests and record test coverage
 	coverage run --rcfile=setup.cfg setup.py test
 
 test-coverage-report: test-coverage-report-console
+test-coverage-report: test-coverage-report-xml
 test-coverage-report: test-coverage-report-html
 test-coverage-report: ## Run tests, measure code coverage, and generate reports
 
 test-coverage-report-console: ## print test coverage summary
 	coverage report --rcfile=setup.cfg -m
 
+test-coverage-report-xml: ## Generate test coverage XML report
+	coverage xml --rcfile=setup.cfg
+
 test-coverage-report-html: ## generate test coverage HTML report
 	coverage html --rcfile=setup.cfg
 

requirements-dev.in

@@ -6,7 +6,6 @@
 
 black==23.1.0
 bumpversion==0.5.3
-codecov==2.1.12
 coverage==7.1.0
 flake8==6.0.0
 isort==5.12.0

requirements-dev.txt

@@ -24,12 +24,8 @@ chardet==4.0.0
     # via requests
 click==8.0.3
     # via black
-codecov==2.1.12
-    # via -r requirements-dev.in
 coverage==7.1.0
-    # via
-    #   -r requirements-dev.in
-    #   codecov
+    # via -r requirements-dev.in
 cryptography==39.0.1
     # via
     #   -c requirements.txt
@@ -92,7 +88,6 @@ readme-renderer==35.0
     # via twine
 requests==2.25.1
     # via
-    #   codecov
     #   requests-toolbelt
     #   twine
 requests-toolbelt==0.9.1

setup.cfg

@@ -13,6 +13,9 @@ exclude_lines =
     if __name__ == .__main__.
 show_missing = True
 
+[coverage:xml]
+output = test-reports/coverage/xml/coverage.xml
+
 [coverage:html]
 directory = test-reports/coverage/html