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
|
# Copyright (C) 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
#
"""Tests of the bzrlib.utextwrap."""
from bzrlib import (
tests,
utextwrap,
)
from bzrlib.tests import features
# Japanese "Good morning".
# Each character have double width. So total 8 width on console.
_str_D = u'\u304a\u306f\u3088\u3046'
_str_S = u"hello"
# Combine single width characters and double width characters.
_str_SD = _str_S + _str_D
_str_DS = _str_D + _str_S
class TestUTextWrap(tests.TestCase):
def check_width(self, text, expected_width):
w = utextwrap.UTextWrapper()
self.assertEqual(
w._width(text),
expected_width,
"Width of %r should be %d" % (text, expected_width))
def test_width(self):
self.check_width(_str_D, 8)
self.check_width(_str_SD, 13)
def check_cut(self, text, width, pos):
w = utextwrap.UTextWrapper()
self.assertEqual((text[:pos], text[pos:]), w._cut(text, width))
def test_cut(self):
s = _str_SD
self.check_cut(s, 0, 0)
self.check_cut(s, 1, 1)
self.check_cut(s, 5, 5)
self.check_cut(s, 6, 5)
self.check_cut(s, 7, 6)
self.check_cut(s, 12, 8)
self.check_cut(s, 13, 9)
self.check_cut(s, 14, 9)
self.check_cut(u'A'*5, 3, 3)
def test_split(self):
w = utextwrap.UTextWrapper()
self.assertEqual(list(_str_D), w._split(_str_D))
self.assertEqual([_str_S]+list(_str_D), w._split(_str_SD))
self.assertEqual(list(_str_D)+[_str_S], w._split(_str_DS))
def test_wrap(self):
self.assertEqual(list(_str_D), utextwrap.wrap(_str_D, 1))
self.assertEqual(list(_str_D), utextwrap.wrap(_str_D, 2))
self.assertEqual(list(_str_D), utextwrap.wrap(_str_D, 3))
self.assertEqual(list(_str_D),
utextwrap.wrap(_str_D, 3, break_long_words=False))
class TestUTextFill(tests.TestCase):
def test_fill_simple(self):
# Test only can call fill() because it's just '\n'.join(wrap(text)).
self.assertEqual("%s\n%s" % (_str_D[:2], _str_D[2:]),
utextwrap.fill(_str_D, 4))
def test_fill_with_breaks(self):
# Demonstrate complicated case.
text = u"spam ham egg spamhamegg" + _str_D + u" spam" + _str_D*2
self.assertEqual(u'\n'.join(["spam ham",
"egg spam",
"hamegg" + _str_D[0],
_str_D[1:],
"spam" + _str_D[:2],
_str_D[2:]+_str_D[:2],
_str_D[2:]]),
utextwrap.fill(text, 8))
def test_fill_without_breaks(self):
text = u"spam ham egg spamhamegg" + _str_D + u" spam" + _str_D*2
self.assertEqual(u'\n'.join(["spam ham",
"egg",
"spamhamegg",
# border between single width and double
# width.
_str_D,
"spam" + _str_D[:2],
_str_D[2:]+_str_D[:2],
_str_D[2:]]),
utextwrap.fill(text, 8, break_long_words=False))
def test_fill_indent_with_breaks(self):
w = utextwrap.UTextWrapper(8, initial_indent=' '*4,
subsequent_indent=' '*4)
self.assertEqual(u'\n'.join([" hell",
" o" + _str_D[0],
" " + _str_D[1:3],
" " + _str_D[3]
]),
w.fill(_str_SD))
def test_fill_indent_without_breaks(self):
w = utextwrap.UTextWrapper(8, initial_indent=' '*4,
subsequent_indent=' '*4)
w.break_long_words = False
self.assertEqual(u'\n'.join([" hello",
" " + _str_D[:2],
" " + _str_D[2:],
]),
w.fill(_str_SD))
def test_fill_indent_without_breaks_with_fixed_width(self):
w = utextwrap.UTextWrapper(8, initial_indent=' '*4,
subsequent_indent=' '*4)
w.break_long_words = False
w.width = 3
self.assertEqual(u'\n'.join([" hello",
" " + _str_D[0],
" " + _str_D[1],
" " + _str_D[2],
" " + _str_D[3],
]),
w.fill(_str_SD))
class TestUTextWrapAmbiWidth(tests.TestCase):
_cyrill_char = u"\u0410" # east_asian_width() == 'A'
def test_ambiwidth1(self):
w = utextwrap.UTextWrapper(4, ambiguous_width=1)
s = self._cyrill_char*8
self.assertEqual([self._cyrill_char*4]*2, w.wrap(s))
def test_ambiwidth2(self):
w = utextwrap.UTextWrapper(4, ambiguous_width=2)
s = self._cyrill_char*8
self.assertEqual([self._cyrill_char*2]*4, w.wrap(s))
# Regression test with Python's test_textwrap
# Note that some distribution including Ubuntu doesn't install
# Python's test suite.
try:
from test import test_textwrap
def override_textwrap_symbols(testcase):
# Override the symbols imported by test_textwrap so it uses our own
# replacements.
testcase.overrideAttr(test_textwrap, 'TextWrapper',
utextwrap.UTextWrapper)
testcase.overrideAttr(test_textwrap, 'wrap', utextwrap.wrap)
testcase.overrideAttr(test_textwrap, 'fill', utextwrap.fill)
def setup_both(testcase, base_class, reused_class):
super(base_class, testcase).setUp()
override_textwrap_symbols(testcase)
reused_class.setUp(testcase)
class TestWrap(tests.TestCase, test_textwrap.WrapTestCase):
def setUp(self):
setup_both(self, TestWrap, test_textwrap.WrapTestCase)
class TestLongWord(tests.TestCase, test_textwrap.LongWordTestCase):
def setUp(self):
setup_both(self, TestLongWord, test_textwrap.LongWordTestCase)
class TestIndent(tests.TestCase, test_textwrap.IndentTestCases):
def setUp(self):
setup_both(self, TestIndent, test_textwrap.IndentTestCases)
except ImportError:
class TestWrap(tests.TestCase):
def test_wrap(self):
raise tests.TestSkipped("test.test_textwrap is not available.")
class TestLongWord(tests.TestCase):
def test_longword(self):
raise tests.TestSkipped("test.test_textwrap is not available.")
class TestIndent(tests.TestCase):
def test_indent(self):
raise tests.TestSkipped("test.test_textwrap is not available.")
|
