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
|
#!/usr/bin/env python
import unittest
# import item under test
from textwrap import TextWrapper, wrap, fill
class WrapperTestCase(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)))
# Note: a new TestCase instance is created before running each
# test method.
class WrapTestCase(WrapperTestCase):
# called before each test method
def setUp(self):
self.wrapper = TextWrapper(width=45, fix_sentence_endings=True)
# Note: any methods that start with "test" are called automatically
# by the unittest framework.
def testSimpleCases(self):
'''Simple case: just words, spaces, and a bit of punctuation.'''
t = "Hello there, how are you this fine day? I'm glad to hear it!"
# bizarre formatting intended to increase maintainability
subcases = [
( (t, 12), [
"Hello there,",
"how are you",
"this fine",
"day? I'm",
"glad to hear",
"it!"
] ),
( (t, 42), [
"Hello there, how are you this fine day?",
"I'm glad to hear it!"
] ),
( (t, 80), [
t
] ),
]
for test, expect in subcases:
result = wrap(*test)
self.check(result, expect)
def testWhitespace(self):
'''Whitespace munging and end-of-sentence detection.'''
t = """\
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!
"""
# bizarre formatting intended to increase maintainability
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(t)
self.check(result, expect)
result = self.wrapper.fill(t)
self.check(result, '\n'.join(expect))
def testWrappingShortToLong(self):
'''Wrapping to make short lines longer.'''
t = "This is a\nshort paragraph."
# bizarre formatting intended to increase maintainability
subcases = [
( (t, 20), [
"This is a short",
"paragraph."
] ),
( (t, 40), [
"This is a short paragraph."
] ),
]
for test, expect in subcases:
result = wrap(*test)
self.check(result, expect)
def testHyphenated(self):
'''Test breaking hyphenated words.'''
t = "this-is-a-useful-feature-for-reformatting-posts-from-tim-peters'ly"
subcases = [
( (t, 40), [
"this-is-a-useful-feature-for-",
"reformatting-posts-from-tim-peters'ly"
] ),
( (t, 41), [
"this-is-a-useful-feature-for-",
"reformatting-posts-from-tim-peters'ly"
] ),
( (t, 42), [
"this-is-a-useful-feature-for-reformatting-",
"posts-from-tim-peters'ly"
] ),
]
for test, expect in subcases:
result = wrap(*test)
self.check(result, expect)
def test_split(self):
'''Ensure that the standard _split() method works as advertised
in the comments (don't you hate it when code and comments diverge?).'''
t = "Hello there -- you goof-ball, use the -b option!"
result = self.wrapper._split(t)
self.check(result,
["Hello", " ", "there", " ", "--", " ", "you", " ", "goof-",
"ball,", " ", "use", " ", "the", " ", "-b", " ", "option!"])
def testPoppins(self):
'''Please rename this test based on its purpose.'''
t = '''
Did you say "supercalifragilisticexpialidocious?"
How *do* you spell that odd word, anyways?
'''
# bizarre formatting intended to increase maintainability
subcases = [
( (t, 30), [
'Did you say "supercalifragilis',
'ticexpialidocious?" How *do*',
'you spell that odd word,',
'anyways?'
] ),
( (t, 50), [
'Did you say "supercalifragilisticexpialidocious?"',
'How *do* you spell that odd word, anyways?'
] ),
]
for test, expect in subcases:
result = wrap(*test)
self.check(result, expect)
def testBreakLongWordsOff(self):
'''Test with break_long_words disabled.'''
t = '''
Did you say "supercalifragilisticexpialidocious?"
How *do* you spell that odd word, anyways?
'''
self.wrapper.break_long_words = 0
self.wrapper.width = 30
result = self.wrapper.wrap(t)
expect = [
'Did you say',
'"supercalifragilisticexpialidocious?"',
'How *do* you spell that odd',
'word, anyways?'
]
self.check(result, expect)
# Same thing with kwargs passed to standalone wrap() function.
result = wrap(t, width=30, break_long_words=0)
self.check(result, expect)
class IndentTestCases(WrapperTestCase):
# called before each test method
def setUp(self):
self.testString = '''\
This paragraph will be filled, first without any indentation,
and then with some (including a hanging indent).'''
def testFill(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.testString, 40)
self.check(result, expect)
def testInitialIndent(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.testString, 40, initial_indent=" ")
self.check(result, expect)
expect = '''\
This paragraph will be filled,
first without any indentation, and then
with some (including a hanging indent).'''
result = fill(self.testString, 40, initial_indent=" ")
self.check(result, expect)
def testSubsequentIndent(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.testString, 40, initial_indent=" * ",
subsequent_indent=" ")
self.check(result, expect)
if __name__ == '__main__':
unittest.main()
|
