def test_reload_submodule(self):
# See #19851.
name = 'spam'
subname = 'ham'
with test_util.temp_module(name, pkg=True) as pkg_dir:
fullname, _ = test_util.submodule(name, subname, pkg_dir)
ham = self.init.import_module(fullname)
reloaded = self.init.reload(ham)
self.assertIs(reloaded, ham)
def test_find_relative_module_missing_package(self):
name = 'spam'
subname = 'ham'
with util.temp_module(name, pkg=True) as pkg_dir:
fullname, _ = util.submodule(name, subname, pkg_dir)
relname = '.' + subname
with self.assertRaises(ImportError):
self.util.find_spec(relname)
self.assertNotIn(name, sorted(sys.modules))
self.assertNotIn(fullname, sorted(sys.modules))
def test_find_submodule(self):
name = 'spam'
subname = 'ham'
with util.temp_module(name, pkg=True) as pkg_dir:
fullname, _ = util.submodule(name, subname, pkg_dir)
spec = self.util.find_spec(fullname)
self.assertIsNot(spec, None)
self.assertIn(name, sorted(sys.modules))
self.assertNotIn(fullname, sorted(sys.modules))
# Ensure successive calls behave the same.
spec_again = self.util.find_spec(fullname)
self.assertEqual(spec_again, spec)
