1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
# Copyright (C) 2008 Canonical Limited.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
from bzrlib import tests
from bzrlib.plugins.groupcompress import equivalence_table
class TestEquivalenceTable(tests.TestCase):
def test_create(self):
eq = equivalence_table.EquivalenceTable(['a', 'b'])
def test_matching_lines(self):
lines = ['a', 'b', 'c', 'b']
eq = equivalence_table.EquivalenceTable(lines)
self.assertEqual(lines, eq._left_lines)
self.assertEqual({'a': [0], 'b': [1, 3], 'c': [2]},
eq._matching_lines)
def assertGetLeftMatches(self, expected_left, eq, right):
"""Assert that we find the right matching lines."""
self.assertEqual(expected_left, eq.get_left_matches(right))
def test_get_matching(self):
eq = equivalence_table.EquivalenceTable(['a', 'b', 'c', 'b'])
self.assertGetLeftMatches([1, 3], eq, 'b')
self.assertGetLeftMatches([2], eq, 'c')
self.assertGetLeftMatches(None, eq, 'd')
self.assertGetLeftMatches([2], eq, 'c')
def test_extend_left_lines(self):
eq = equivalence_table.EquivalenceTable(['a', 'b', 'c', 'b'])
eq.extend_left_lines(['d', 'e', 'c'], [True, True, True])
self.assertEqual(['a', 'b', 'c', 'b', 'd', 'e', 'c'],
eq._left_lines)
self.assertEqual({'a': [0], 'b': [1, 3],
'c': [2, 6], 'd': [4],
'e': [5]},
eq._matching_lines)
def test_extend_left_lines_ignored(self):
eq = equivalence_table.EquivalenceTable(['a', 'b', 'c', 'b'])
eq.extend_left_lines(['d', 'e', 'c'], [False, False, True])
self.assertEqual(['a', 'b', 'c', 'b', 'd', 'e', 'c'],
eq._left_lines)
self.assertEqual({'a': [0], 'b': [1, 3],
'c': [2, 6]},
eq._matching_lines)
def test_abusive(self):
eq = equivalence_table.EquivalenceTable(['a']*1000)
self.assertEqual({'a': range(1000)}, eq._matching_lines)
self.assertGetLeftMatches(range(1000), eq, 'a')
|