feat(ci): add code cov tracking

.github/.codecov.yml

@@ -0,0 +1,19 @@
+comment:
+  layout: "header, files, footer" # remove "new" from "header" and "footer"
+  hide_project_coverage: false # set to false
+  require_changes: false  # if true: only post the comment if coverage changes
+
+codecov:
+  #due to ci-optimization, reports for modules that have not changed may be quite old
+  max_report_age: off
+
+coverage:
+  status:
+    project:
+      default:
+        target: 0% # no threshold enforcement yet
+        only_pulls: true
+    patch:
+      default:
+        target: 90% # for new code added in the patch
+        only_pulls: true

.github/workflows/build-and-test.yml

@@ -39,6 +39,14 @@ jobs:
             **/build/reports/tests/test/**
             **/build/test-results/test/**
             **/junit.*.xml
+      - name: Upload datahub-actions coverage to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          #handle_no_reports_found: true
+          fail_ci_if_error: false
+          name: datahub-actions
+          verbose: true
 
   event-file:
     runs-on: ubuntu-latest

datahub-actions/setup.cfg

@@ -50,8 +50,9 @@ disallow_untyped_defs = yes
 disallow_untyped_defs = yes
 
 [tool:pytest]
-addopts = --cov=src --cov-report term-missing --cov-config setup.cfg --strict-markers
+addopts = --cov=src --cov-report term-missing --cov-report xml  --cov-config setup.cfg --strict-markers
 markers =
+    dependency:Mark a dependency
     integration: marks tests to only run in integration (deselect with '-m "not integration"')
 testpaths = 
     tests/unit
@@ -79,3 +80,6 @@ exclude_lines =
     pragma: no cover
     @abstract
     if TYPE_CHECKING:
+
+[coverage:xml]
+output = coverage.xml