ci: fix coverage reporting with parallel runs (#60)

Author: browniebroke

.github/workflows/ci.yml

@@ -52,6 +52,10 @@ jobs:
         shell: bash
       - run: tox -f py$(echo ${{ matrix.python-version }} | tr -d .)
         shell: bash
+      - run: |
+          uv run coverage combine
+          uv run coverage xml
+        shell: bash
       - uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}

pyproject.toml

@@ -43,8 +43,8 @@ dev = [
   "psycopg2>=2.9.10,<2.10;python_version<'3.11'",
   "psycopg2>=2.9;python_version>='3.11'",
   "pytest>=8,<9",
-  "pytest-cov>=6,<7",
   "pytest-django>=4.5,<5",
+  "coverage",
 ]
 
 [tool.ruff]
@@ -93,15 +93,22 @@ lint.isort.known-first-party = [ "django_migrate_sql", "tests" ]
 addopts = """\
     -v
     -Wdefault
-    --cov=django_migrate_sql
-    --cov-report=term
-    --cov-report=xml
     --ds=tests.settings
     """
 pythonpath = [ "src" ]
 
 [tool.coverage.run]
 branch = true
+parallel = true
+source = [
+  "django_migrate_sql",
+]
+
+[tool.coverage.paths]
+source = [
+  "src",
+  ".tox/**/site-packages",
+]
 
 [tool.coverage.report]
 exclude_lines = [

tox.ini

@@ -21,4 +21,5 @@ deps =
     django42: Django>=4.2,<5.0
 commands =
     python \
+      -m coverage run \
       -m pytest {posargs:tests}