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
|
#
# Test script for the textwrap module.
#
# Original tests written by Greg Ward <gward@python.net>.
# Converted to PyUnit by Peter Hansen <peter@engcorp.com>.
# Currently maintained by Greg Ward.
#
# $Id$
#
import unittest
from test import test_support
from textwrap import TextWrapper, wrap, fill
class BaseTestCase(unittest.TestCase):
'''Parent class with utility methods for textwrap tests.'''
def show(self, textin):
if isinstance(textin, list):
result = []
for i in range(len(textin)):
result.append(" %d: %r" % (i, textin[i]))
result = '\n'.join(result)
elif isinstance(textin, (str, unicode)):
result = " %s\n" % repr(textin)
return result
def check(self, result, expect):
self.assertEquals(result, expect,
'Expected:\n%s\nbut got:\n%s' % (
self.show(result), self.show(expect)))
def check_wrap (self, text, width, expect):
result = wrap(text, width)
self.check(result, expect)
class WrapTestCase(BaseTestCase):
def setUp(self):
self.wrapper = TextWrapper(width=45, fix_sentence_endings=True)
def test_simple(self):
'''Simple case: just words, spaces, and a bit of punctuation.'''
text = "Hello there, how are you this fine day? I'm glad to hear it!"
self.check_wrap(text, 12,
["Hello there,",
"how are you",
"this fine",
"day? I'm",
"glad to hear",
"it!"])
self.check_wrap(text, 42,
["Hello there, how are you this fine day?",
"I'm glad to hear it!"])
self.check_wrap(text, 80, [text])
def test_whitespace(self):
'''Whitespace munging and end-of-sentence detection.'''
text = """\
This is a paragraph that already has
line breaks. But some of its lines are much longer than the others,
so it needs to be wrapped.
Some lines are \ttabbed too.
What a mess!
"""
expect = ["This is a paragraph that already has line",
"breaks. But some of its lines are much",
"longer than the others, so it needs to be",
"wrapped. Some lines are tabbed too. What a",
"mess!"]
result = self.wrapper.wrap(text)
self.check(result, expect)
result = self.wrapper.fill(text)
self.check(result, '\n'.join(expect))
def test_wrap_short(self):
'''Wrapping to make short lines longer.'''
text = "This is a\nshort paragraph."
self.check_wrap(text, 20, ["This is a short",
"paragraph."])
self.check_wrap(text, 40, ["This is a short paragraph."])
def test_hyphenated(self):
'''Test breaking hyphenated words.'''
text = ("this-is-a-useful-feature-for-"
"reformatting-posts-from-tim-peters'ly")
self.check_wrap(text, 40,
["this-is-a-useful-feature-for-",
"reformatting-posts-from-tim-peters'ly"])
self.check_wrap(text, 41,
["this-is-a-useful-feature-for-",
"reformatting-posts-from-tim-peters'ly"])
self.check_wrap(text, 42,
["this-is-a-useful-feature-for-reformatting-",
"posts-from-tim-peters'ly"])
def test_split(self):
'''Ensure that the standard _split() method works as advertised
in the comments.'''
text = "Hello there -- you goof-ball, use the -b option!"
result = self.wrapper._split(text)
self.check(result,
["Hello", " ", "there", " ", "--", " ", "you", " ", "goof-",
"ball,", " ", "use", " ", "the", " ", "-b", " ", "option!"])
class LongWordTestCase (BaseTestCase):
def setUp(self):
self.wrapper = TextWrapper()
self.text = '''
Did you say "supercalifragilisticexpialidocious?"
How *do* you spell that odd word, anyways?
'''
def test_break_long(self):
'''Wrap text with long words and lots of punctuation.'''
self.check_wrap(self.text, 30,
['Did you say "supercalifragilis',
'ticexpialidocious?" How *do*',
'you spell that odd word,',
'anyways?'])
self.check_wrap(self.text, 50,
['Did you say "supercalifragilisticexpialidocious?"',
'How *do* you spell that odd word, anyways?'])
def test_nobreak_long(self):
'''Test with break_long_words disabled.'''
self.wrapper.break_long_words = 0
self.wrapper.width = 30
expect = ['Did you say',
'"supercalifragilisticexpialidocious?"',
'How *do* you spell that odd',
'word, anyways?'
]
result = self.wrapper.wrap(self.text)
self.check(result, expect)
# Same thing with kwargs passed to standalone wrap() function.
result = wrap(self.text, width=30, break_long_words=0)
self.check(result, expect)
class IndentTestCases(BaseTestCase):
# called before each test method
def setUp(self):
self.text = '''\
This paragraph will be filled, first without any indentation,
and then with some (including a hanging indent).'''
def test_fill(self):
'''Test the fill() method.'''
expect = '''\
This paragraph will be filled, first
without any indentation, and then with
some (including a hanging indent).'''
result = fill(self.text, 40)
self.check(result, expect)
def test_initial_indent(self):
'''Test initial_indent parameter.'''
expect = [" This paragraph will be filled,",
"first without any indentation, and then",
"with some (including a hanging indent)."]
result = wrap(self.text, 40, initial_indent=" ")
self.check(result, expect)
expect = "\n".join(expect)
result = fill(self.text, 40, initial_indent=" ")
self.check(result, expect)
def test_subsequent_indent(self):
'''Test subsequent_indent parameter.'''
expect = '''\
* This paragraph will be filled, first
without any indentation, and then
with some (including a hanging
indent).'''
result = fill(self.text, 40,
initial_indent=" * ", subsequent_indent=" ")
self.check(result, expect)
def test_main():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(WrapTestCase))
suite.addTest(unittest.makeSuite(LongWordTestCase))
suite.addTest(unittest.makeSuite(IndentTestCases))
test_support.run_suite(suite)
if __name__ == '__main__':
test_main()
|
