if __name__ == '__main__': from __init__ import init; init()
import unittest
from collections import deque
from ranger.ext.iter_tools import *
class TestCases(unittest.TestCase):
def test_flatten(self):
def f(x):
return list(flatten(x))
self.assertEqual(
[1,2,3,4,5],
f([1,2,3,4,5]))
self.assertEqual(
[1,2,3,4,5],
f([1,[2,3],4,5]))
self.assertEqual(
[1,2,3,4,5],
f([[1,[2,3]],4,5]))
self.assertEqual(
[],
f([[[[]]]]))
self.assertEqual(
['a', 'b', 'fskldfjl'],
f(['a', ('b', 'fskldfjl')]))
self.assertEqual(
['a', 'b', 'fskldfjl'],
f(['a', deque(['b', 'fskldfjl'])]))
self.assertEqual(
set([3.5, 4.3, 5.2, 6.0]),
set(f([6.0, set((3.5, 4.3)), (5.2, )])))
def test_unique(self):
def u(x):
return list(unique(x))
self.assertEqual(
[1,2,3],
u([1,2,3]))
self.assertEqual(
[1,2,3],
u([1,2,3,2,1]))
self.assertEqual(
[1,2,3],
u([1,2,3,1,2,3,2,2,3,1,2,3,1,2,3,2,3,2,1]))
self.assertEqual(
[1,[2,3]],
u([1,[2,3],1,[2,3],[2,3],1,[2,3],1,[2,3],[2,3],1]))
def test_unique_keeps_type(self):
def u(x):
return unique(x)
self.assertEqual(
[1,2,3],
u([1,2,3,1]))
self.assertEqual(
(1,2,3),
u((1,2,3,1)))
self.assertEqual(
set((1,2,3)),
u(set((1,2,3,1))))
self.assertEqual(
deque((1,2,3)),
u(deque((1,2,3,1))))
if __name__ == '__main__':
unittest.main()