def test_updating_empty_dict(self):
result = dict_updater(source={'a': 1}, dest={})
self.assertDictEqual({'a': 1}, result)
def test_appending_value(self):
result = dict_updater(source={'a': 1}, dest={'b': 2})
self.assertDictEqual({'a': 1, 'b': 2}, result)
def test_appending_dict(self):
source = {'d': {'b': 1}}
dest = {'a': {'c': 2}}
result = dict_updater(source, dest)
self.assertDictEqual({'a': {'c': 2}, 'd': {'b': 1}}, result)
def test_overriding_value(self):
result = dict_updater(source={'a': 1}, dest={'a': 2})
self.assertDictEqual({'a': 1}, result)