WIP - 100% coverage

Author: cjw296

.github/workflows/ci.yml

@@ -97,12 +97,9 @@ jobs:
             export WITH='--with mysqlclient'
             # 127.0.0.1 is to persuade mysqlclient to use tcp rather than the domain socket :-/
             export DB_URL=mysql://root:mysql@127.0.0.1:3306/test_db
-          else
-            export DB_URL=sqlite:///foo.sqlite
           fi
           export COVERAGE_FILE=.coverage.$GITHUB_JOB
           uv run -v --all-extras --dev $WITH --resolution ${{ matrix.uv-resolution }} -m coverage run -m pytest --sqlalchemy-connect-url=$DB_URL
-          coverage report 
 
       - name: Upload coverage data
         uses: actions/upload-artifact@v4

pyproject.toml

@@ -33,6 +33,7 @@ build-backend = "setuptools.build_meta"
 
 [tool.coverage.run]
 source = ["pytest_sqlalchemy", "tests"]
+parallel = true
 
 [tool.pytest.ini_options]
 norecursedirs = ["tests/examples"]

tests/test_plugin.py

@@ -89,6 +89,16 @@ def test_engine_no_config_source(pytester: Pytester) -> None:
 
 
 def test_xdist_naming(pytester: Pytester, db_url: str) -> None:
+    pyproject_toml = Path(__file__).parent.parent / "pyproject.toml"
+    pytester.makeconftest(dedent(f"""
+        import coverage, os
+        
+        def pytest_configure(config):
+            worker_id = os.environ.get("PYTEST_XDIST_WORKER")
+            if worker_id is not None:
+                os.environ["COVERAGE_PROCESS_START"] = "{pyproject_toml}"
+                coverage.process_startup()
+    """))
     pytester.copy_example("tests/examples/test_xdist.py")
     result = pytester.runpytest('-n', '2', '--sqlalchemy-connect-url', db_url)
     result.assert_outcomes(passed=2)