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1 | |
2 # Copyright (c) 2001-2004 Twisted Matrix Laboratories. | |
3 # See LICENSE for details. | |
4 | |
5 | |
6 from twisted.trial import unittest | |
7 from twisted.python import text | |
8 import string | |
9 from cStringIO import StringIO | |
10 | |
11 sampleText = \ | |
12 """Every attempt to employ mathematical methods in the study of chemical | |
13 questions must be considered profoundly irrational and contrary to the | |
14 spirit of chemistry ... If mathematical analysis should ever hold a | |
15 prominent place in chemistry - an aberration which is happily almost | |
16 impossible - it would occasion a rapid and widespread degeneration of that | |
17 science. | |
18 -- Auguste Comte, Philosophie Positive, Paris, 1838 | |
19 """ | |
20 | |
21 lineWidth = 72 | |
22 | |
23 def set_lineWidth(n): | |
24 global lineWidth | |
25 lineWidth = n | |
26 | |
27 class WrapTest(unittest.TestCase): | |
28 def setUp(self): | |
29 self.sampleSplitText = string.split(sampleText) | |
30 | |
31 self.output = text.wordWrap(sampleText, lineWidth) | |
32 | |
33 def test_wordCount(self): | |
34 """Compare the number of words.""" | |
35 words = [] | |
36 for line in self.output: | |
37 words.extend(string.split(line)) | |
38 wordCount = len(words) | |
39 sampleTextWordCount = len(self.sampleSplitText) | |
40 | |
41 self.failUnlessEqual(wordCount, sampleTextWordCount) | |
42 | |
43 def test_wordMatch(self): | |
44 """Compare the lists of words.""" | |
45 | |
46 words = [] | |
47 for line in self.output: | |
48 words.extend(string.split(line)) | |
49 | |
50 # Using failUnlessEqual here prints out some | |
51 # rather too long lists. | |
52 self.failUnless(self.sampleSplitText == words) | |
53 | |
54 def test_lineLength(self): | |
55 """Check the length of the lines.""" | |
56 failures = [] | |
57 for line in self.output: | |
58 if not len(line) <= lineWidth: | |
59 failures.append(len(line)) | |
60 | |
61 if failures: | |
62 self.fail("%d of %d lines were too long.\n" | |
63 "%d < %s" % (len(failures), len(self.output), | |
64 lineWidth, failures)) | |
65 | |
66 | |
67 class SplitTest(unittest.TestCase): | |
68 """Tests for text.splitQuoted()""" | |
69 | |
70 def test_oneWord(self): | |
71 """Splitting strings with one-word phrases.""" | |
72 s = 'This code "works."' | |
73 r = text.splitQuoted(s) | |
74 self.failUnlessEqual(['This', 'code', 'works.'], r) | |
75 | |
76 def test_multiWord(self): | |
77 s = 'The "hairy monkey" likes pie.' | |
78 r = text.splitQuoted(s) | |
79 self.failUnlessEqual(['The', 'hairy monkey', 'likes', 'pie.'], r) | |
80 | |
81 # Some of the many tests that would fail: | |
82 | |
83 #def test_preserveWhitespace(self): | |
84 # phrase = '"MANY SPACES"' | |
85 # s = 'With %s between.' % (phrase,) | |
86 # r = text.splitQuoted(s) | |
87 # self.failUnlessEqual(['With', phrase, 'between.'], r) | |
88 | |
89 #def test_escapedSpace(self): | |
90 # s = r"One\ Phrase" | |
91 # r = text.splitQuoted(s) | |
92 # self.failUnlessEqual(["One Phrase"], r) | |
93 | |
94 class StrFileTest(unittest.TestCase): | |
95 def setUp(self): | |
96 self.io = StringIO("this is a test string") | |
97 | |
98 def tearDown(self): | |
99 pass | |
100 | |
101 def test_1_f(self): | |
102 self.assertEquals(False, text.strFile("x", self.io)) | |
103 | |
104 def test_1_1(self): | |
105 self.assertEquals(True, text.strFile("t", self.io)) | |
106 | |
107 def test_1_2(self): | |
108 self.assertEquals(True, text.strFile("h", self.io)) | |
109 | |
110 def test_1_3(self): | |
111 self.assertEquals(True, text.strFile("i", self.io)) | |
112 | |
113 def test_1_4(self): | |
114 self.assertEquals(True, text.strFile("s", self.io)) | |
115 | |
116 def test_1_5(self): | |
117 self.assertEquals(True, text.strFile("n", self.io)) | |
118 | |
119 def test_1_6(self): | |
120 self.assertEquals(True, text.strFile("g", self.io)) | |
121 | |
122 def test_3_1(self): | |
123 self.assertEquals(True, text.strFile("thi", self.io)) | |
124 | |
125 def test_3_2(self): | |
126 self.assertEquals(True, text.strFile("his", self.io)) | |
127 | |
128 def test_3_3(self): | |
129 self.assertEquals(True, text.strFile("is ", self.io)) | |
130 | |
131 def test_3_4(self): | |
132 self.assertEquals(True, text.strFile("ing", self.io)) | |
133 | |
134 def test_3_f(self): | |
135 self.assertEquals(False, text.strFile("bla", self.io)) | |
136 | |
137 def test_large_1(self): | |
138 self.assertEquals(True, text.strFile("this is a test", self.io)) | |
139 | |
140 def test_large_2(self): | |
141 self.assertEquals(True, text.strFile("is a test string", self.io)) | |
142 | |
143 def test_large_f(self): | |
144 self.assertEquals(False, text.strFile("ds jhfsa k fdas", self.io)) | |
145 | |
146 def test_overlarge_f(self): | |
147 self.assertEquals(False, text.strFile("djhsakj dhsa fkhsa s,mdbnfsauiw b
ndasdf hreew", self.io)) | |
148 | |
149 def test_self(self): | |
150 self.assertEquals(True, text.strFile("this is a test string", self.io)) | |
151 | |
152 def test_insensitive(self): | |
153 self.assertEquals(True, text.strFile("ThIs is A test STRING", self.io, F
alse)) | |
154 | |
155 testCases = [WrapTest, SplitTest, StrFileTest] | |
156 | |
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