Mercurial > genshi > mirror
comparison examples/trac/trac/versioncontrol/tests/diff.py @ 39:93b4dcbafd7b trunk
Copy Trac to main branch.
| author | cmlenz |
|---|---|
| date | Mon, 03 Jul 2006 18:53:27 +0000 |
| parents | |
| children |
comparison
equal
deleted
inserted
replaced
| 38:ee669cb9cccc | 39:93b4dcbafd7b |
|---|---|
| 1 from trac.versioncontrol import diff | |
| 2 | |
| 3 import unittest | |
| 4 | |
| 5 | |
| 6 class DiffTestCase(unittest.TestCase): | |
| 7 | |
| 8 def test_get_change_extent(self): | |
| 9 self.assertEqual((3, 0), diff._get_change_extent('xxx', 'xxx')) | |
| 10 self.assertEqual((0, 0), diff._get_change_extent('', 'xxx')) | |
| 11 self.assertEqual((0, 0), diff._get_change_extent('xxx', '')) | |
| 12 self.assertEqual((0, 0), diff._get_change_extent('xxx', 'yyy')) | |
| 13 self.assertEqual((1, -1), diff._get_change_extent('xxx', 'xyx')) | |
| 14 self.assertEqual((1, -1), diff._get_change_extent('xxx', 'xyyyx')) | |
| 15 self.assertEqual((1, 0), diff._get_change_extent('xy', 'xzz')) | |
| 16 self.assertEqual((1, -1), diff._get_change_extent('xyx', 'xzzx')) | |
| 17 self.assertEqual((1, -1), diff._get_change_extent('xzzx', 'xyx')) | |
| 18 | |
| 19 def test_insert_blank_line(self): | |
| 20 opcodes = diff._get_opcodes(['A', 'B'], ['A', 'B', ''], | |
| 21 ignore_blank_lines=0) | |
| 22 self.assertEqual(('equal', 0, 2, 0, 2), opcodes.next()) | |
| 23 self.assertEqual(('insert', 2, 2, 2, 3), opcodes.next()) | |
| 24 | |
| 25 opcodes = diff._get_opcodes(['A', 'B'], ['A', 'B', ''], | |
| 26 ignore_blank_lines=1) | |
| 27 self.assertEqual(('equal', 0, 2, 0, 3), opcodes.next()) | |
| 28 | |
| 29 opcodes = diff._get_opcodes(['A'], ['A', 'B', ''], | |
| 30 ignore_blank_lines=1) | |
| 31 self.assertEqual(('equal', 0, 1, 0, 1), opcodes.next()) | |
| 32 self.assertEqual(('insert', 1, 1, 1, 3), opcodes.next()) | |
| 33 | |
| 34 def test_delete_blank_line(self): | |
| 35 opcodes = diff._get_opcodes(['A', 'B', ''], ['A', 'B'], | |
| 36 ignore_blank_lines=0) | |
| 37 self.assertEqual(('equal', 0, 2, 0, 2), opcodes.next()) | |
| 38 self.assertEqual(('delete', 2, 3, 2, 2), opcodes.next()) | |
| 39 | |
| 40 opcodes = diff._get_opcodes(['A', 'B', ''], ['A', 'B'], | |
| 41 ignore_blank_lines=1) | |
| 42 self.assertEqual(('equal', 0, 3, 0, 2), opcodes.next()) | |
| 43 | |
| 44 opcodes = diff._get_opcodes(['A', 'B', ''], ['A'], | |
| 45 ignore_blank_lines=1) | |
| 46 self.assertEqual(('equal', 0, 1, 0, 1), opcodes.next()) | |
| 47 self.assertEqual(('delete', 1, 3, 1, 1), opcodes.next()) | |
| 48 | |
| 49 def test_space_changes(self): | |
| 50 opcodes = diff._get_opcodes(['A', 'B b'], ['A', 'B b'], | |
| 51 ignore_space_changes=0) | |
| 52 self.assertEqual(('equal', 0, 1, 0, 1), opcodes.next()) | |
| 53 self.assertEqual(('replace', 1, 2, 1, 2), opcodes.next()) | |
| 54 | |
| 55 opcodes = diff._get_opcodes(['A', 'B b'], ['A', 'B b'], | |
| 56 ignore_space_changes=1) | |
| 57 self.assertEqual(('equal', 0, 2, 0, 2), opcodes.next()) | |
| 58 | |
| 59 def test_case_changes(self): | |
| 60 opcodes = diff._get_opcodes(['A', 'B b'], ['A', 'B B'], | |
| 61 ignore_case=0) | |
| 62 self.assertEqual(('equal', 0, 1, 0, 1), opcodes.next()) | |
| 63 self.assertEqual(('replace', 1, 2, 1, 2), opcodes.next()) | |
| 64 | |
| 65 opcodes = diff._get_opcodes(['A', 'B b'], ['A', 'B B'], | |
| 66 ignore_case=1) | |
| 67 self.assertEqual(('equal', 0, 2, 0, 2), opcodes.next()) | |
| 68 | |
| 69 def test_space_and_case_changes(self): | |
| 70 opcodes = diff._get_opcodes(['A', 'B b'], ['A', 'B B'], | |
| 71 ignore_case=0, ignore_space_changes=0) | |
| 72 self.assertEqual(('equal', 0, 1, 0, 1), opcodes.next()) | |
| 73 self.assertEqual(('replace', 1, 2, 1, 2), opcodes.next()) | |
| 74 | |
| 75 opcodes = diff._get_opcodes(['A', 'B b'], ['A', 'B B'], | |
| 76 ignore_case=1, ignore_space_changes=1) | |
| 77 self.assertEqual(('equal', 0, 2, 0, 2), opcodes.next()) | |
| 78 | |
| 79 def test_grouped_opcodes_context1(self): | |
| 80 opcodes = diff._get_opcodes(['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'], | |
| 81 ['A', 'B', 'C', 'd', 'e', 'f', 'G', 'H']) | |
| 82 groups = diff._group_opcodes(opcodes, n=1) | |
| 83 group = groups.next() | |
| 84 self.assertEqual(('equal', 2, 3, 2, 3), group[0]) | |
| 85 self.assertEqual(('replace', 3, 6, 3, 6), group[1]) | |
| 86 self.assertEqual(('equal', 6, 7, 6, 7), group[2]) | |
| 87 | |
| 88 def test_grouped_opcodes_insert_blank_line_at_top(self): | |
| 89 """ | |
| 90 Regression test for #2090. Make sure that the equal block following an | |
| 91 insert at the top of a file is correct. | |
| 92 """ | |
| 93 opcodes = diff._get_opcodes(['B', 'C', 'D', 'E', 'F', 'G'], | |
| 94 ['A', 'B', 'C', 'D', 'E', 'F', 'G']) | |
| 95 groups = diff._group_opcodes(opcodes, n=3) | |
| 96 self.assertEqual([('insert', 0, 0, 0, 1), ('equal', 0, 3, 1, 4)], | |
| 97 groups.next()) | |
| 98 | |
| 99 | |
| 100 def suite(): | |
| 101 return unittest.makeSuite(DiffTestCase, 'test') | |
| 102 | |
| 103 if __name__ == '__main__': | |
| 104 unittest.main() |