def test_complete(self):
result = xf.itransduce(xf.partition_all(2), xf.append, [1, 2, 3])
self.assertEqual(result, [(1, 2), (3,)])
def test_itransduce_init_only_complete(self):
def xform(rf):
return lambda result: rf(result + 100)
result = xf.itransduce(xform, xf.identity, 1, [])
self.assertEqual(result, 101)
def test_itransduce_reduced(self):
result = xf.itransduce(xf.take(2), sum_rf, 1, [2, 3, 100])
self.assertEqual(result, 6)
def test_itransduce_init_only(self):
result = xf.itransduce(xf.filter(None), xf.identity, 1, [])
self.assertEqual(result, 1)
def test_itransduce_empty_no_init_no_arity_zero(self):
with self.assertRaises(TypeError):
xf.itransduce(xf.filter(lambda x: x % 2 == 0),
lambda x, y: x + y,
[])
def test_itransduce_empty_no_init(self):
result = xf.itransduce(xf.filter(lambda x: x % 2 == 0), sum_rf, [])
self.assertEqual(result, 0)
def test_itransduce_some_no_init(self):
result = xf.itransduce(xf.filter(lambda x: x % 2 == 0),
sum_rf,
[1, 2, 3, 8])
self.assertEqual(result, 10)
def test_itransduce_some(self):
result = xf.itransduce(xf.filter(lambda x: x % 2 == 0),
sum_rf,
1,
[2, 3, 8])
self.assertEqual(result, 11)