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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
|
# Copyright (C) 2007, 2009, 2011 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
from unittest import TestCase
from bzrlib import (
multiparent,
patiencediff,
tests,
)
LINES_1 = "a\nb\nc\nd\ne\n".splitlines(True)
LINES_2 = "a\nc\nd\ne\n".splitlines(True)
LINES_3 = "a\nb\nc\nd\n".splitlines(True)
LF_SPLIT_LINES = ['\x00\n', '\x00\r\x01\n', '\x02\r\xff']
class Mock(object):
def __init__(self, **kwargs):
self.__dict__ = kwargs
class TestMulti(TestCase):
def test_compare_no_parent(self):
diff = multiparent.MultiParent.from_lines(LINES_1)
self.assertEqual([multiparent.NewText(LINES_1)], diff.hunks)
def test_compare_one_parent(self):
diff = multiparent.MultiParent.from_lines(LINES_1, [LINES_2])
self.assertEqual([multiparent.ParentText(0, 0, 0, 1),
multiparent.NewText(['b\n']),
multiparent.ParentText(0, 1, 2, 3)],
diff.hunks)
diff = multiparent.MultiParent.from_lines(LINES_2, [LINES_1])
self.assertEqual([multiparent.ParentText(0, 0, 0, 1),
multiparent.ParentText(0, 2, 1, 3)],
diff.hunks)
def test_compare_two_parents(self):
diff = multiparent.MultiParent.from_lines(LINES_1, [LINES_2, LINES_3])
self.assertEqual([multiparent.ParentText(1, 0, 0, 4),
multiparent.ParentText(0, 3, 4, 1)],
diff.hunks)
def test_compare_two_parents_blocks(self):
matcher = patiencediff.PatienceSequenceMatcher(None, LINES_2, LINES_1)
blocks = matcher.get_matching_blocks()
diff = multiparent.MultiParent.from_lines(LINES_1, [LINES_2, LINES_3],
left_blocks=blocks)
self.assertEqual([multiparent.ParentText(1, 0, 0, 4),
multiparent.ParentText(0, 3, 4, 1)],
diff.hunks)
def test_get_matching_blocks(self):
diff = multiparent.MultiParent.from_lines(LINES_1, [LINES_2])
self.assertEqual([(0, 0, 1), (1, 2, 3), (4, 5, 0)],
list(diff.get_matching_blocks(0, len(LINES_2))))
diff = multiparent.MultiParent.from_lines(LINES_2, [LINES_1])
self.assertEqual([(0, 0, 1), (2, 1, 3), (5, 4, 0)],
list(diff.get_matching_blocks(0, len(LINES_1))))
def test_range_iterator(self):
diff = multiparent.MultiParent.from_lines(LINES_1, [LINES_2, LINES_3])
diff.hunks.append(multiparent.NewText(['q\n']))
self.assertEqual([(0, 4, 'parent', (1, 0, 4)),
(4, 5, 'parent', (0, 3, 4)),
(5, 6, 'new', ['q\n'])],
list(diff.range_iterator()))
def test_eq(self):
diff = multiparent.MultiParent.from_lines(LINES_1)
diff2 = multiparent.MultiParent.from_lines(LINES_1)
self.assertEqual(diff, diff2)
diff3 = multiparent.MultiParent.from_lines(LINES_2)
self.assertFalse(diff == diff3)
self.assertFalse(diff == Mock(hunks=[multiparent.NewText(LINES_1)]))
self.assertEqual(multiparent.MultiParent(
[multiparent.NewText(LINES_1),
multiparent.ParentText(0, 1, 2, 3)]),
multiparent.MultiParent(
[multiparent.NewText(LINES_1),
multiparent.ParentText(0, 1, 2, 3)]))
def test_to_patch(self):
self.assertEqual(['i 1\n', 'a\n', '\n', 'c 0 1 2 3\n'],
list(multiparent.MultiParent([multiparent.NewText(['a\n']),
multiparent.ParentText(0, 1, 2, 3)]).to_patch()))
def test_from_patch(self):
self.assertEqual(multiparent.MultiParent(
[multiparent.NewText(['a\n']),
multiparent.ParentText(0, 1, 2, 3)]),
multiparent.MultiParent.from_patch('i 1\na\n\nc 0 1 2 3'))
self.assertEqual(multiparent.MultiParent(
[multiparent.NewText(['a']),
multiparent.ParentText(0, 1, 2, 3)]),
multiparent.MultiParent.from_patch('i 1\na\nc 0 1 2 3\n'))
def test_binary_content(self):
patch = list(
multiparent.MultiParent.from_lines(LF_SPLIT_LINES).to_patch())
multiparent.MultiParent.from_patch(''.join(patch))
def test_make_patch_from_binary(self):
patch = multiparent.MultiParent.from_texts(''.join(LF_SPLIT_LINES))
expected = multiparent.MultiParent([
multiparent.NewText(LF_SPLIT_LINES)])
self.assertEqual(expected, patch)
def test_num_lines(self):
mp = multiparent.MultiParent([multiparent.NewText(['a\n'])])
self.assertEqual(1, mp.num_lines())
mp.hunks.append(multiparent.NewText(['b\n', 'c\n']))
self.assertEqual(3, mp.num_lines())
mp.hunks.append(multiparent.ParentText(0, 0, 3, 2))
self.assertEqual(5, mp.num_lines())
mp.hunks.append(multiparent.NewText(['f\n', 'g\n']))
self.assertEqual(7, mp.num_lines())
def test_to_lines(self):
mpdiff = multiparent.MultiParent.from_texts('a\nb\nc\n', ('b\nc\n',))
lines = mpdiff.to_lines(('b\ne\n',))
self.assertEqual(['a\n', 'b\n', 'e\n'], lines)
class TestNewText(TestCase):
def test_eq(self):
self.assertEqual(multiparent.NewText([]), multiparent.NewText([]))
self.assertFalse(multiparent.NewText(['a']) ==
multiparent.NewText(['b']))
self.assertFalse(multiparent.NewText(['a']) == Mock(lines=['a']))
def test_to_patch(self):
self.assertEqual(['i 0\n', '\n'],
list(multiparent.NewText([]).to_patch()))
self.assertEqual(['i 1\n', 'a', '\n'],
list(multiparent.NewText(['a']).to_patch()))
self.assertEqual(['i 1\n', 'a\n', '\n'],
list(multiparent.NewText(['a\n']).to_patch()))
class TestParentText(TestCase):
def test_eq(self):
self.assertEqual(multiparent.ParentText(1, 2, 3, 4),
multiparent.ParentText(1, 2, 3, 4))
self.assertFalse(multiparent.ParentText(1, 2, 3, 4) ==
multiparent.ParentText(2, 2, 3, 4))
self.assertFalse(multiparent.ParentText(1, 2, 3, 4) ==
Mock(parent=1, parent_pos=2, child_pos=3,
num_lines=4))
def test_to_patch(self):
self.assertEqual(['c 0 1 2 3\n'],
list(multiparent.ParentText(0, 1, 2, 3).to_patch()))
REV_A = ['a\n', 'b\n', 'c\n', 'd\n']
REV_B = ['a\n', 'c\n', 'd\n', 'e\n']
REV_C = ['a\n', 'b\n', 'e\n', 'f\n']
class TestVersionedFile(TestCase):
def add_version(self, vf, text, version_id, parent_ids):
vf.add_version([(t+'\n') for t in text], version_id, parent_ids)
def make_vf(self):
vf = multiparent.MultiMemoryVersionedFile()
self.add_version(vf, 'abcd', 'rev-a', [])
self.add_version(vf, 'acde', 'rev-b', [])
self.add_version(vf, 'abef', 'rev-c', ['rev-a', 'rev-b'])
return vf
def test_add_version(self):
vf = self.make_vf()
self.assertEqual(REV_A, vf._lines['rev-a'])
vf.clear_cache()
self.assertEqual(vf._lines, {})
def test_get_line_list(self):
vf = self.make_vf()
vf.clear_cache()
self.assertEqual(REV_A, vf.get_line_list(['rev-a'])[0])
self.assertEqual([REV_B, REV_C], vf.get_line_list(['rev-b', 'rev-c']))
def test_reconstruct_empty(self):
vf = multiparent.MultiMemoryVersionedFile()
vf.add_version([], 'a', [])
self.assertEqual([], self.reconstruct_version(vf, 'a'))
@staticmethod
def reconstruct(vf, revision_id, start, end):
reconstructor = multiparent._Reconstructor(vf, vf._lines,
vf._parents)
lines = []
reconstructor._reconstruct(lines, revision_id, start, end)
return lines
@staticmethod
def reconstruct_version(vf, revision_id):
reconstructor = multiparent._Reconstructor(vf, vf._lines,
vf._parents)
lines = []
reconstructor.reconstruct_version(lines, revision_id)
return lines
def test_reconstructor(self):
vf = self.make_vf()
self.assertEqual(['a\n', 'b\n'], self.reconstruct(vf, 'rev-a', 0, 2))
self.assertEqual(['c\n', 'd\n'], self.reconstruct(vf, 'rev-a', 2, 4))
self.assertEqual(['e\n', 'f\n'], self.reconstruct(vf, 'rev-c', 2, 4))
self.assertEqual(['a\n', 'b\n', 'e\n', 'f\n'],
self.reconstruct(vf, 'rev-c', 0, 4))
self.assertEqual(['a\n', 'b\n', 'e\n', 'f\n'],
self.reconstruct_version(vf, 'rev-c'))
def test_reordered(self):
"""Check for a corner case that requires re-starting the cursor"""
vf = multiparent.MultiMemoryVersionedFile()
# rev-b must have at least two hunks, so split a and b with c.
self.add_version(vf, 'c', 'rev-a', [])
self.add_version(vf, 'acb', 'rev-b', ['rev-a'])
# rev-c and rev-d must each have a line from a different rev-b hunk
self.add_version(vf, 'b', 'rev-c', ['rev-b'])
self.add_version(vf, 'a', 'rev-d', ['rev-b'])
# The lines from rev-c and rev-d must appear in the opposite order
self.add_version(vf, 'ba', 'rev-e', ['rev-c', 'rev-d'])
vf.clear_cache()
lines = vf.get_line_list(['rev-e'])[0]
self.assertEqual(['b\n', 'a\n'], lines)
class TestMultiVersionedFile(tests.TestCaseInTempDir):
def test_save_load(self):
vf = multiparent.MultiVersionedFile('foop')
vf.add_version('a\nb\nc\nd'.splitlines(True), 'a', [])
vf.add_version('a\ne\nd\n'.splitlines(True), 'b', ['a'])
vf.save()
newvf = multiparent.MultiVersionedFile('foop')
newvf.load()
self.assertEqual('a\nb\nc\nd', ''.join(newvf.get_line_list(['a'])[0]))
self.assertEqual('a\ne\nd\n', ''.join(newvf.get_line_list(['b'])[0]))
def test_filenames(self):
vf = multiparent.MultiVersionedFile('foop')
vf.add_version('a\nb\nc\nd'.splitlines(True), 'a', [])
self.failUnlessExists('foop.mpknit')
self.failIfExists('foop.mpidx')
vf.save()
self.failUnlessExists('foop.mpidx')
vf.destroy()
self.failIfExists('foop.mpknit')
self.failIfExists('foop.mpidx')
|