Update coverage, use the new run.patch setting (#676)

* Update coverage, use the new `run.patch` setting

* Fix cleanup

Author: Tinche

.github/workflows/main.yml

@@ -31,7 +31,7 @@ jobs:
         env:
           FAST: ${{ startsWith(matrix.python-version, 'pypy') && '1' || '' }}
         run: |
-          just --set python ${{ startsWith(matrix.python-version, 'pypy') && matrix.python-version || format('python{0}', matrix.python-version) }} cov
+          just python=${{ startsWith(matrix.python-version, 'pypy') && matrix.python-version || format('python{0}', matrix.python-version) }} covcleanup="false" cov
 
       - name: Upload coverage data
         uses: actions/upload-artifact@v4

Justfile

@@ -1,4 +1,5 @@
 python := ""
+covcleanup := "true"
 
 lint:
 	uv run -p python3.13 --group lint ruff check src/ tests bench
@@ -7,9 +8,30 @@ lint:
 test *args="-x --ff -n auto tests":
     uv run {{ if python != '' { '-p ' + python } else { '' } }} --all-extras --group test pytest {{args}}
 
+testall:
+    just python=python3.9 test
+    just python=python3.10 test
+    just python=python3.11 test
+    just python=python3.12 test
+    just python=python3.13 test
+    just python=pypy3.9 test
+
 cov *args="-x --ff -n auto tests":
-    @uv run {{ if python != '' { '-p ' + python } else { '' } }} python -c 'import pathlib, site; pathlib.Path(f"{site.getsitepackages()[0]}/cov.pth").write_text("import coverage; coverage.process_startup()")'
-    COVERAGE_PROCESS_START={{justfile_directory()}}/pyproject.toml uv run {{ if python != '' { '-p ' + python } else { '' } }} --all-extras --group test coverage run -m pytest {{args}}
+    uv run {{ if python != '' { '-p ' + python } else { '' } }} --all-extras --group test coverage run -m pytest {{args}}
+    {{ if covcleanup == "true" { "uv run coverage combine" } else { "" } }}
+    {{ if covcleanup == "true" { "uv run coverage report" } else { "" } }}
+    {{ if covcleanup == "true" { "@rm .coverage*" } else { "" } }}
+
+covall:
+    just python=python3.9 covcleanup=false cov
+    just python=python3.10 covcleanup=false cov
+    just python=python3.11 covcleanup=false cov
+    just python=python3.12 covcleanup=false cov
+    just python=python3.13 covcleanup=false cov
+    just python=pypy3.10 covcleanup=false cov
+    uv run coverage combine
+    uv run coverage report
+    @rm .coverage*
 
 bench-cmp:
 	uv run pytest bench --benchmark-compare

pyproject.toml

@@ -103,6 +103,7 @@ addopts = "-l --benchmark-sort=fullname --benchmark-warmup=true --benchmark-warm
 parallel = true
 source_pkgs = ["cattrs", "tests"]
 core = "sysmon"
+patch = ["subprocess"]
 
 [tool.coverage.report]
 show_missing = true