test: enable codecov in main test action (#2682)

* test: enable codecov in main test action

* output coverage report

* add codecov.yml

* add junit config

* comment: false

* skip checking TYPE_CHECKING blocks

Author: jhamman

Diff for: .github/workflows/test.yml

@@ -60,7 +60,12 @@ jobs:
         hatch env run -e test.py${{ matrix.python-version }}-${{ matrix.numpy-version }}-${{ matrix.dependency-set }} list-env
     - name: Run Tests
       run: |
-        hatch env run --env test.py${{ matrix.python-version }}-${{ matrix.numpy-version }}-${{ matrix.dependency-set }} run
+        hatch env run --env test.py${{ matrix.python-version }}-${{ matrix.numpy-version }}-${{ matrix.dependency-set }} run-coverage
+    - name: Upload coverage
+      uses: codecov/codecov-action@v5
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        verbose: true # optional (default = false)
 
   test-upstream-and-min-deps:
     name: py=${{ matrix.python-version }}-${{ matrix.dependency-set }}

Diff for: codecov.yml

@@ -0,0 +1,10 @@
+coverage:
+  status:
+    patch:
+      default:
+        target: auto
+    project:
+      default:
+        target: auto
+        threshold: 0.1
+comment: false

Diff for: pyproject.toml

@@ -103,13 +103,13 @@ Homepage = "https://github.com/zarr-developers/zarr-python"
 [tool.coverage.report]
 exclude_lines = [
     "pragma: no cover",
+    "if TYPE_CHECKING:",
     "pragma: ${PY_MAJOR_VERSION} no cover",
     '.*\.\.\.' # Ignore "..." lines
 ]
 
 [tool.coverage.run]
 omit = [
-    "src/zarr/meta_v1.py",
     "bench/compress_normal.py",
 ]
 
@@ -140,8 +140,8 @@ numpy = ["1.25", "2.1"]
 features = ["gpu"]
 
 [tool.hatch.envs.test.scripts]
-run-coverage = "pytest --cov-config=pyproject.toml --cov=pkg --cov=src"
-run-coverage-gpu = "pip install cupy-cuda12x && pytest -m gpu --cov-config=pyproject.toml --cov=pkg --cov=src"
+run-coverage = "pytest --cov-config=pyproject.toml --cov=pkg --cov-report xml --cov=src --junitxml=junit.xml -o junit_family=legacy"
+run-coverage-gpu = "pip install cupy-cuda12x && pytest -m gpu --cov-config=pyproject.toml --cov=pkg --cov-report xml --cov=src --junitxml=junit.xml -o junit_family=legacy"
 run = "run-coverage --no-cov"
 run-verbose = "run-coverage --verbose"
 run-mypy = "mypy src"
@@ -170,7 +170,7 @@ numpy = ["1.25", "2.1"]
 version = ["minimal"]
 
 [tool.hatch.envs.gputest.scripts]
-run-coverage = "pytest -m gpu --cov-config=pyproject.toml --cov=pkg --cov=src"
+run-coverage = "pytest -m gpu --cov-config=pyproject.toml --cov=pkg --cov-report xml --cov=src --junitxml=junit.xml -o junit_family=legacy"
 run = "run-coverage --no-cov"
 run-verbose = "run-coverage --verbose"
 run-mypy = "mypy src"