import difflib from test import test_support import unittest import doctest class TestSFbugs(unittest.TestCase): def test_ratio_for_null_seqn(self): # Check clearing of SF bug 763023 s = difflib.SequenceMatcher(None, [], []) self.assertEqual(s.ratio(), 1) self.assertEqual(s.quick_ratio(), 1) self.assertEqual(s.real_quick_ratio(), 1) def test_comparing_empty_lists(self): # Check fix for bug #979794 group_gen = difflib.SequenceMatcher(None, [], []).get_grouped_opcodes() self.assertRaises(StopIteration, group_gen.next) diff_gen = difflib.unified_diff([], []) self.assertRaises(StopIteration, diff_gen.next) patch914575_from = ''' 1. Beautiful is beTTer than ugly. 2. Explicit is better than implicit. 3. Simple is better than complex. 4. Complex is better than complicated. ''' patch914575_to = ''' 1. Beautiful is better than ugly. 3. Simple is better than complex. 4. Complicated is better than complex. 5. Flat is better than nested. ''' patch914575_full_expectation = '''
from | to | |||
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1 | f | 1 | ||
2 | 1. Beautiful is beTTer than ugly. | n | 2 | 1. Beautiful is better than ugly. |
3 | 2. Explicit is better than implicit. | |||
4 | 3. Simple is better than complex. | 3 | 3. Simple is better than complex. | |
5 | 4. Complex is better than complicated. | 4 | 4. Complicated is better than complex. | |
5 | 5. Flat is better than nested. | |||
6 | 123 | 6 | 123 | |
7 | 123 | 7 | 123 | |
8 | 123 | 8 | 123 | |
9 | 123 | 9 | 123 | |
10 | 123 | 10 | 123 | |
11 | 123 | 11 | 123 | |
12 | 123 | 12 | 123 | |
13 | 123 | 13 | 123 | |
14 | 123 | 14 | 123 | |
15 | 123 | 15 | 123 | |
16 | 16 | |||
17 | 1. Beautiful is beTTer than ugly. | n | 17 | 1. Beautiful is better than ugly. |
18 | 2. Explicit is better than implicit. | |||
19 | 3. Simple is better than complex. | 18 | 3. Simple is better than complex. | |
20 | 4. Complex is better than complicated. | 19 | 4. Complicated is better than complex. | |
20 | 5. Flat is better than nested. | |||
21 | 123 | 21 | 123 | |
22 | 123 | 22 | 123 | |
23 | 123 | 23 | 123 | |
24 | 123 | 24 | 123 | |
25 | 123 | 25 | 123 | |
26 | 123 | 26 | 123 | |
27 | 123 | 27 | 123 | |
28 | 123 | 28 | 123 | |
29 | 123 | 29 | 123 | |
30 | 123 | 30 | 123 | |
31 | 31 | |||
32 | 1. Beautiful is beTTer than ugly. | t | 32 | 1. Beautiful is better than ugly. |
33 | 2. Explicit is better than implicit. | |||
34 | 3. Simple is better than complex. | 33 | 3. Simple is better than complex. | |
35 | 4. Complex is better than complicated. | 34 | 4. Complicated is better than complex. | |
35 | 5. Flat is better than nested. | |||
36 | 123 | 36 | 123 | |
37 | 123 | 37 | 123 | |
38 | 123 | 38 | 123 | |
39 | 123 | 39 | 123 | |
40 | 123 | 40 | 123 | |
41 | 123 | 41 | 123 | |
42 | 123 | 42 | 123 | |
43 | 123 | 43 | 123 | |
44 | 123 | 44 | 123 | |
45 | 123 | 45 | 123 |
Legends | ||||||||||
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from | to | |||
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1 | f | 1 | ||
2 | 1. Beautiful is beTTer than ugly. | n | 2 | 1. Beautiful is better than ugly. |
3 | 2. Explicit is better than implicit. | |||
4 | 3. Simple is better than complex. | 3 | 3. Simple is better than complex. | |
5 | 4. Complex is better than complicated. | 4 | 4. Complicated is better than complex. | |
5 | 5. Flat is better than nested. | |||
6 | 123 | 6 | 123 | |
7 | 123 | 7 | 123 | |
8 | 123 | 8 | 123 | |
9 | 123 | 9 | 123 | |
14 | 123 | 14 | 123 | |
15 | 123 | 15 | 123 | |
16 | 16 | |||
17 | 1. Beautiful is beTTer than ugly. | n | 17 | 1. Beautiful is better than ugly. |
18 | 2. Explicit is better than implicit. | |||
19 | 3. Simple is better than complex. | 18 | 3. Simple is better than complex. | |
20 | 4. Complex is better than complicated. | 19 | 4. Complicated is better than complex. | |
20 | 5. Flat is better than nested. | |||
21 | 123 | 21 | 123 | |
22 | 123 | 22 | 123 | |
23 | 123 | 23 | 123 | |
24 | 123 | 24 | 123 | |
29 | 123 | 29 | 123 | |
30 | 123 | 30 | 123 | |
31 | 31 | |||
32 | 1. Beautiful is beTTer than ugly. | t | 32 | 1. Beautiful is better than ugly. |
33 | 2. Explicit is better than implicit. | |||
34 | 3. Simple is better than complex. | 33 | 3. Simple is better than complex. | |
35 | 4. Complex is better than complicated. | 34 | 4. Complicated is better than complex. | |
35 | 5. Flat is better than nested. | |||
36 | 123 | 36 | 123 | |
37 | 123 | 37 | 123 | |
38 | 123 | 38 | 123 | |
39 | 123 | 39 | 123 |
Legends | ||||||||||
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