def test_pipe_should_return_the_same_value_using_indentity_function(self):
self.assertEqual(pipe(lambda x: x)(5), 5)
def test_pipe_sequence_funtions_executions(self):
resul = pipe(str.split, len, lambda x: x + 5)('eduardo mendes')
self.assertEqual(resul, 7)
def test_pipe_should_return_a_callable(self):
"""Check if pipe is a closure."""
_callable = pipe(lambda x: x)
self.assertTrue(hasattr(_callable, '__call__'))