def test_is_visible_subdir_ignores_hidden_directories(self):
base_dir = self.make_dir()
hidden_dir = factory.make_name('.')
os.makedirs(os.path.join(base_dir, hidden_dir))
self.assertFalse(is_visible_subdir(base_dir, hidden_dir))
def test_is_visible_subdir_recognizes_subdirectory(self):
base_dir = self.make_dir()
subdir = factory.make_name('subdir')
os.makedirs(os.path.join(base_dir, subdir))
self.assertTrue(is_visible_subdir(base_dir, subdir))
def test_is_visible_subdir_ignores_regular_files(self):
plain_file = self.make_file()
self.assertFalse(
is_visible_subdir(os.path.dirname(plain_file),
os.path.basename(plain_file)))