def test_element_at_too_short(self):
with self.assertRaises(IndexError):
transduce(transducer=element_at(3),
reducer=expecting_single(),
iterable=[1, 3, 5])
def test_element_at_validation(self):
with self.assertRaises(IndexError):
transduce(transducer=element_at(-1),
reducer=expecting_single(),
iterable=[1, 3, 5, 7, 9])
def test_element_at(self):
result = transduce(transducer=element_at(3),
reducer=expecting_single(),
iterable=[1, 3, 5, 7, 9])
self.assertEqual(result, 7)
def test_element_at_too_short(self):
with self.assertRaises(IndexError):
transduce(transducer=element_at(3),
reducer=expecting_single(),
iterable=[1, 3, 5])
def test_element_at_validation(self):
with self.assertRaises(IndexError):
transduce(transducer=element_at(-1),
reducer=expecting_single(),
iterable=[1, 3, 5, 7, 9])
def test_element_at(self):
result = transduce(transducer=element_at(3),
reducer=expecting_single(),
iterable=[1, 3, 5, 7, 9])
self.assertEqual(result, 7)
