mirror of https://github.com/python/cpython
34 lines
1.5 KiB
Python
34 lines
1.5 KiB
Python
import unittest
|
|
from unittest.util import safe_repr, sorted_list_difference, unorderable_list_difference
|
|
|
|
|
|
class TestUtil(unittest.TestCase):
|
|
def test_safe_repr(self):
|
|
class RaisingRepr:
|
|
def __repr__(self):
|
|
raise ValueError("Invalid repr()")
|
|
|
|
class LongRepr:
|
|
def __repr__(self):
|
|
return 'x' * 100
|
|
|
|
safe_repr(RaisingRepr())
|
|
self.assertEqual(safe_repr('foo'), "'foo'")
|
|
self.assertEqual(safe_repr(LongRepr(), short=True), 'x'*80 + ' [truncated]...')
|
|
|
|
def test_sorted_list_difference(self):
|
|
self.assertEqual(sorted_list_difference([], []), ([], []))
|
|
self.assertEqual(sorted_list_difference([1, 2], [2, 3]), ([1], [3]))
|
|
self.assertEqual(sorted_list_difference([1, 2], [1, 3]), ([2], [3]))
|
|
self.assertEqual(sorted_list_difference([1, 1, 1], [1, 2, 3]), ([], [2, 3]))
|
|
self.assertEqual(sorted_list_difference([4], [1, 2, 3, 4]), ([], [1, 2, 3]))
|
|
self.assertEqual(sorted_list_difference([1, 1], [2]), ([1], [2]))
|
|
self.assertEqual(sorted_list_difference([2], [1, 1]), ([2], [1]))
|
|
self.assertEqual(sorted_list_difference([1, 2], [1, 1]), ([2], []))
|
|
|
|
def test_unorderable_list_difference(self):
|
|
self.assertEqual(unorderable_list_difference([], []), ([], []))
|
|
self.assertEqual(unorderable_list_difference([1, 2], []), ([2, 1], []))
|
|
self.assertEqual(unorderable_list_difference([], [1, 2]), ([], [1, 2]))
|
|
self.assertEqual(unorderable_list_difference([1, 2], [1, 3]), ([2], [3]))
|