def test_it_should_map_a_function_to_the_stream(self):
stream = Stream(range(10))
stream = stream.map(lambda item: -item)
self.assertEqual(max(stream), 0)
stream = Stream(dict((v, v) for v in xrange(100)))
stream = stream.values().skip(10).limit(3)
self.assertListEqual(list(stream), [10, 11, 12])
def test_it_should_map_a_function_to_the_stream(self):
stream = Stream(range(10))
stream = stream.map(lambda item: -item)
self.assertEqual(max(stream), 0)
stream = Stream(dict((v, v) for v in xrange(100)))
stream = stream.values().skip(10).limit(3)
self.assertListEqual(list(stream), [10, 11, 12])
def test_it_should_include_only_values(self):
stream = Stream(list(zip(range(10), range(100, 110),
range(20, 30))) + ['foo'])
values = stream.values()
self.assertListEqual(list(values), list(range(20, 30)) + ['foo'])
def test_it_should_include_only_values(self):
stream = Stream(
list(zip(range(10), range(100, 110), range(20, 30))) + ['foo'])
values = stream.values()
self.assertListEqual(list(values), list(range(20, 30)) + ['foo'])
