Add test case for when dependency files don't exit

Author: abravalheri

setuptools/tests/test_sdist.py

@@ -198,6 +198,27 @@ def test_extension_sources_in_sdist(self):
  self.assert_package_data_in_manifest(cmd)
  self.assert_extension_sources_in_manifest(cmd)
 
+ def test_missing_extension_sources(self):
+ """
+ Similar to test_extension_sources_in_sdist but the referenced files don't exist.
+ Missing files should not be included in distribution (with no error raised).
+ """
+ os.remove(os.path.join("sdist_test", "f.h"))
+ setup_attrs = {**SETUP_ATTRS, 'ext_modules': [EXTENSION]}
+
+ dist = Distribution(setup_attrs)
+ dist.script_name = 'setup.py'
+ cmd = sdist(dist)
+ cmd.ensure_finalized()
+
+ with quiet():
+ cmd.run()
+
+ self.assert_package_data_in_manifest(cmd)
+ manifest = cmd.filelist.files
+ assert os.path.join('sdist_test', 'f.c') in manifest
+ assert os.path.join('sdist_test', 'f.h') not in manifest
+
  def test_custom_build_py(self):
  """
  Ensure projects defining custom build_py don't break