test(sweeps): fix code coverage to track src not tests

.circleci/config.yml

@@ -48,11 +48,17 @@ jobs:
           step_name: Run tests
           python_version: "3.10"
           command: tox -e py310
-      - codecov/upload
+      # Upload coverage from one Python version to avoid duplicate Codecov reports.
+      # Move coverage to another version when we deprecate this one.
+      - codecov/upload:
+          flags: unit
+      - store_artifacts:
+          path: coverage.xml
+          destination: coverage/coverage.xml
       - store_artifacts:
           path: prof/
       - store_test_results:
-          path: .
+          path: result.xml
   linux311:
     machine:
       image: ubuntu-2404:2025.09.1
@@ -66,11 +72,10 @@ jobs:
           step_name: Run tests
           python_version: "3.11"
           command: tox -e py311
-      - codecov/upload
       - store_artifacts:
           path: prof/
       - store_test_results:
-          path: .
+          path: result.xml
   linux312:
     machine:
       image: ubuntu-2404:2025.09.1
@@ -84,11 +89,10 @@ jobs:
           step_name: Run tests
           python_version: "3.12"
           command: --with setuptools==75.8.0 tox -e py312
-      - codecov/upload
       - store_artifacts:
           path: prof/
       - store_test_results:
-          path: .
+          path: result.xml
   linters310:
     docker:
       - image: cimg/python:3.10

codecov.yml

@@ -19,3 +19,8 @@ coverage:
 
 ignore:
   - setup.py
+
+comment:
+  layout: "reach,diff,flags,tree"
+  behavior: default
+  require_changes: no

pytest.ini

@@ -1,2 +1,2 @@
 [pytest]
-addopts = -v -s -n 4 --junitxml="result.xml"
+addopts = -v -n 4 --junitxml="result.xml"

tox.ini

@@ -13,7 +13,20 @@ install_command =
     pip install {opts} {packages}
 
 commands =
-    pytest {posargs}  --cov=./ --cov-report=xml
+    pytest {posargs} --cov=sweeps --cov-report=term-missing:skip-covered --cov-report=xml
+
+[coverage:paths]
+source =
+    src/sweeps
+    .tox/*/lib/python*/site-packages/sweeps
+
+[coverage:run]
+source =
+    sweeps
+
+[coverage:report]
+exclude_also =
+    if TYPE_CHECKING:
 
 [black]
 deps=