def test4(self):
"""test 04: distinct test"""
pq = PyLINQ(data)
self.assertEqual(
pq.distinct(lambda x: x["class"]).items(),
["classA", "classB"])
def test4_a(self):
"""test 04: distinct test with default"""
pq = PyLINQ([d['class'] for d in data])
self.assertEqual(
pq.distinct().items(),
["classA", "classB"])
