def test_removing_entire_list(self):
# Use a copy so we're not hitting the exact same object in memory.
target = list(self.base)
du.recursive_list_removal(self.base, target)
self.assertEqual(0, len(self.base))
def test_using_base_as_target(self):
target = self.base
du.recursive_list_removal(self.base, target)
self.assertEqual(1, len(self.base))
self.assertEqual(1, len(target))
self.assertIn('bar', self.base)
def test_using_bare_string(self):
target = 'foo'
du.recursive_list_removal(self.base, target)
self.assertEqual(2, len(self.base))
def test_removing_one_target(self):
target = ['bar']
du.recursive_list_removal(self.base, target)
self.assertNotIn('bar', self.base)