tests: fix coverage issues

Signed-off-by: Henry Schreiner <[email protected]>

.github/workflows/ci.yml

@@ -54,11 +54,8 @@ jobs:
 
       - uses: astral-sh/setup-uv@v3
 
-      - name: Install package
-        run: uv pip install -e.[test] --system
-
       - name: Test package
-        run: pytest -ra --cov=check-sdist
+        run: uvx nox -s coverage
 
       - name: Upload coverage report
         uses: codecov/codecov-action@v4

noxfile.py

@@ -34,7 +34,7 @@ def tests(session: nox.Session) -> None:
     Run the unit and regular tests.
     """
     session.install("-e.[test]")
-    session.run("pytest", *session.posargs)
+    session.run("pytest", *session.posargs, env={"COVERAGE_CORE": "sysmon"})
 
 
 @nox.session
@@ -43,7 +43,13 @@ def coverage(session: nox.Session) -> None:
     Run tests and compute coverage.
     """
 
-    session.posargs.append("--cov=check-sdist")
+    session.posargs.extend(
+        [
+            "--cov-config=pyproject.toml",
+            "--cov-report=xml",
+            "--cov-report=term-missing",
+        ]
+    )
     tests(session)
 
 

pyproject.toml

@@ -79,6 +79,10 @@ testpaths = [
 ]
 
 
+[tool.coverage]
+run.source = ["check_sdist"]
+
+
 [tool.mypy]
 files = ["src", "tests"]
 python_version = "3.8"