Add tests for cmdclass

src/validate_pyproject/plugins/setuptools.schema.json

@@ -169,7 +169,7 @@
       ],
       "type": "object",
       "patternProperties": {
-          "^.*$": {"type": "string", "format": "python_qualified_identifier"}
+          "^.*$": {"type": "string", "format": "python-qualified-identifier"}
       }
     },
     "dynamic": {

tests/examples/pretend-setuptools/06-pyproject.toml

@@ -39,6 +39,9 @@ platforms = ["any"]
 [tool.setuptools.packages.find]
 where = ["src"]
 
+[tool.setuptools.cmdclass]
+sdist = "pkg.mod.CustomSdist"
+
 [tool.setuptools.package-data]
 "myproj.bash" = ["*.sh"]
 "myproj.yaml" = ["*.yml"]

tests/invalid-examples/pretend-setuptools/cmdclass/invalid-value.errors.txt

@@ -0,0 +1 @@
+cmdclass.sdist must be python-qualified-identifier

tests/invalid-examples/pretend-setuptools/cmdclass/invalid-value.toml

@@ -0,0 +1,47 @@
+[project]
+name = "project"
+description = "description"
+license = { text = "BSD-3-Clause" }
+dynamic = ["version"]
+requires-python = ">= 3.6"
+
+[[project.author]]
+name = "Name 1"
+email = "[email protected]"
+
+[[project.author]]
+name = "Name 2"
+email = "[email protected]"
+
+[project.readme]
+file = "README.rst"
+content-type = "text/x-rst"
+
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools]
+package-dir = {"" = "src"}
+include-package-data = true
+script-files = [
+    "bin/run.py"
+]
+
+[tool.setuptools.cmdclass]
+sdist = "pkg.my-invalid:mod.Custom~Sdist"
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.setuptools.dynamic]
+version = {file = "__version__.txt"}
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+
+[tool.coverage.paths]
+source = [
+    "src",
+    "*/site-packages",
+]