def test_collect_attribute_ommits_attributes_with_value_None(self):
Person = UtilsTest.Person
expected = ['john', 'malcolm', 'sara', 'ted']
result = collect_attribute('name', [Person('john'), Person('malcolm'), Person(None),
Person('sara'), Person(None), Person('ted')])
self.assertEquals(expected, result)
def test_collect_attribute_collects_attributes_of_the_given_name_of_given_objects_list(self):
Person = UtilsTest.Person
expected = ['john', 'malcolm', 'sara', 'ted']
result = collect_attribute('name', [Person('john'), Person('malcolm'),
Person('sara'), Person('ted')])
self.assertEquals(expected, result)
def collect_meta_classes(bases):
return collect_attribute('_meta', bases[::-1])
def collect_bases_fields(bases):
return collect_attribute('base_fields', bases[::-1])