blob: dcf961d1ff0387056157a51eb1355b1f626b2743 [file] [log] [blame]
Walter Dörwald0fd583c2003-02-21 12:53:50 +00001"""
2Common tests shared by test_str, test_unicode, test_userstring and test_string.
3"""
Jeremy Hyltonf82b04e2000-07-10 17:08:42 +00004
Walter Dörwald0fd583c2003-02-21 12:53:50 +00005import unittest, string, sys
6from test import test_support
Jeremy Hylton20f41b62000-07-11 03:31:55 +00007from UserList import UserList
8
Jeremy Hyltonf82b04e2000-07-10 17:08:42 +00009class Sequence:
Walter Dörwald0fd583c2003-02-21 12:53:50 +000010 def __init__(self, seq='wxyz'): self.seq = seq
Jeremy Hyltonf82b04e2000-07-10 17:08:42 +000011 def __len__(self): return len(self.seq)
12 def __getitem__(self, i): return self.seq[i]
13
14class BadSeq1(Sequence):
15 def __init__(self): self.seq = [7, 'hello', 123L]
16
17class BadSeq2(Sequence):
18 def __init__(self): self.seq = ['a', 'b', 'c']
19 def __len__(self): return 8
20
Walter Dörwald0fd583c2003-02-21 12:53:50 +000021class CommonTest(unittest.TestCase):
22 # This testcase contains test that can be used in all
23 # stringlike classes. Currently this is str, unicode
24 # UserString and the string module.
Jeremy Hyltonf82b04e2000-07-10 17:08:42 +000025
Walter Dörwald0fd583c2003-02-21 12:53:50 +000026 # The type to be tested
27 # Change in subclasses to change the behaviour of fixtesttype()
28 type2test = None
Jeremy Hyltonf82b04e2000-07-10 17:08:42 +000029
Walter Dörwald0fd583c2003-02-21 12:53:50 +000030 # All tests pass their arguments to the testing methods
31 # as str objects. fixtesttype() can be used to propagate
32 # these arguments to the appropriate type
33 def fixtype(self, obj):
34 if isinstance(obj, str):
35 return self.__class__.type2test(obj)
36 elif isinstance(obj, list):
37 return [self.fixtype(x) for x in obj]
38 elif isinstance(obj, tuple):
39 return tuple([self.fixtype(x) for x in obj])
40 elif isinstance(obj, dict):
41 return dict([
42 (self.fixtype(key), self.fixtype(value))
43 for (key, value) in obj.iteritems()
44 ])
45 else:
46 return obj
Jeremy Hyltonf82b04e2000-07-10 17:08:42 +000047
Walter Dörwald0fd583c2003-02-21 12:53:50 +000048 # check that object.method(*args) returns result
49 def checkequal(self, result, object, methodname, *args):
50 result = self.fixtype(result)
51 object = self.fixtype(object)
52 args = self.fixtype(args)
53 realresult = getattr(object, methodname)(*args)
54 self.assertEqual(
55 result,
56 realresult
57 )
58 # if the original is returned make sure that
59 # this doesn't happen with subclasses
60 if object == realresult:
61 class subtype(self.__class__.type2test):
62 pass
63 object = subtype(object)
64 realresult = getattr(object, methodname)(*args)
65 self.assert_(object is not realresult)
Jeremy Hyltonf82b04e2000-07-10 17:08:42 +000066
Walter Dörwald0fd583c2003-02-21 12:53:50 +000067 # check that object.method(*args) raises exc
68 def checkraises(self, exc, object, methodname, *args):
69 object = self.fixtype(object)
70 args = self.fixtype(args)
71 self.assertRaises(
72 exc,
73 getattr(object, methodname),
74 *args
75 )
Jeremy Hyltonf82b04e2000-07-10 17:08:42 +000076
Walter Dörwald0fd583c2003-02-21 12:53:50 +000077 # call object.method(*args) without any checks
78 def checkcall(self, object, methodname, *args):
79 object = self.fixtype(object)
80 args = self.fixtype(args)
81 getattr(object, methodname)(*args)
82
83 def test_capitalize(self):
84 self.checkequal(' hello ', ' hello ', 'capitalize')
85 self.checkequal('Hello ', 'Hello ','capitalize')
86 self.checkequal('Hello ', 'hello ','capitalize')
87 self.checkequal('Aaaa', 'aaaa', 'capitalize')
88 self.checkequal('Aaaa', 'AaAa', 'capitalize')
89
90 self.checkraises(TypeError, 'hello', 'capitalize', 42)
91
92 def test_count(self):
93 self.checkequal(3, 'aaa', 'count', 'a')
94 self.checkequal(0, 'aaa', 'count', 'b')
95 self.checkequal(3, 'aaa', 'count', 'a')
96 self.checkequal(0, 'aaa', 'count', 'b')
97 self.checkequal(3, 'aaa', 'count', 'a')
98 self.checkequal(0, 'aaa', 'count', 'b')
99 self.checkequal(0, 'aaa', 'count', 'b')
100 self.checkequal(1, 'aaa', 'count', 'a', -1)
101 self.checkequal(3, 'aaa', 'count', 'a', -10)
102 self.checkequal(2, 'aaa', 'count', 'a', 0, -1)
103 self.checkequal(0, 'aaa', 'count', 'a', 0, -10)
104
105 self.checkraises(TypeError, 'hello', 'count')
106 self.checkraises(TypeError, 'hello', 'count', 42)
107
108 def test_find(self):
109 self.checkequal(0, 'abcdefghiabc', 'find', 'abc')
110 self.checkequal(9, 'abcdefghiabc', 'find', 'abc', 1)
111 self.checkequal(-1, 'abcdefghiabc', 'find', 'def', 4)
112
113 self.checkraises(TypeError, 'hello', 'find')
114 self.checkraises(TypeError, 'hello', 'find', 42)
115
116 def test_rfind(self):
117 self.checkequal(9, 'abcdefghiabc', 'rfind', 'abc')
118 self.checkequal(12, 'abcdefghiabc', 'rfind', '')
119 self.checkequal(0, 'abcdefghiabc', 'rfind', 'abcd')
120 self.checkequal(-1, 'abcdefghiabc', 'rfind', 'abcz')
121
122 self.checkraises(TypeError, 'hello', 'rfind')
123 self.checkraises(TypeError, 'hello', 'rfind', 42)
124
125 def test_index(self):
126 self.checkequal(0, 'abcdefghiabc', 'index', '')
127 self.checkequal(3, 'abcdefghiabc', 'index', 'def')
128 self.checkequal(0, 'abcdefghiabc', 'index', 'abc')
129 self.checkequal(9, 'abcdefghiabc', 'index', 'abc', 1)
130
131 self.checkraises(ValueError, 'abcdefghiabc', 'index', 'hib')
132 self.checkraises(ValueError, 'abcdefghiab', 'index', 'abc', 1)
133 self.checkraises(ValueError, 'abcdefghi', 'index', 'ghi', 8)
134 self.checkraises(ValueError, 'abcdefghi', 'index', 'ghi', -1)
135
136 self.checkraises(TypeError, 'hello', 'index')
137 self.checkraises(TypeError, 'hello', 'index', 42)
138
139 def test_rindex(self):
140 self.checkequal(12, 'abcdefghiabc', 'rindex', '')
141 self.checkequal(3, 'abcdefghiabc', 'rindex', 'def')
142 self.checkequal(9, 'abcdefghiabc', 'rindex', 'abc')
143 self.checkequal(0, 'abcdefghiabc', 'rindex', 'abc', 0, -1)
144
145 self.checkraises(ValueError, 'abcdefghiabc', 'rindex', 'hib')
146 self.checkraises(ValueError, 'defghiabc', 'rindex', 'def', 1)
147 self.checkraises(ValueError, 'defghiabc', 'rindex', 'abc', 0, -1)
148 self.checkraises(ValueError, 'abcdefghi', 'rindex', 'ghi', 0, 8)
149 self.checkraises(ValueError, 'abcdefghi', 'rindex', 'ghi', 0, -1)
150
151 self.checkraises(TypeError, 'hello', 'rindex')
152 self.checkraises(TypeError, 'hello', 'rindex', 42)
153
154 def test_lower(self):
155 self.checkequal('hello', 'HeLLo', 'lower')
156 self.checkequal('hello', 'hello', 'lower')
157 self.checkraises(TypeError, 'hello', 'lower', 42)
158
159 def test_upper(self):
160 self.checkequal('HELLO', 'HeLLo', 'upper')
161 self.checkequal('HELLO', 'HELLO', 'upper')
162 self.checkraises(TypeError, 'hello', 'upper', 42)
163
164 def test_expandtabs(self):
165 self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', 'expandtabs')
166 self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 8)
167 self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 4)
168 self.checkequal('abc\r\nab def\ng hi', 'abc\r\nab\tdef\ng\thi', 'expandtabs', 4)
169 self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', 'expandtabs')
170 self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 8)
171 self.checkequal('abc\r\nab\r\ndef\ng\r\nhi', 'abc\r\nab\r\ndef\ng\r\nhi', 'expandtabs', 4)
172
173 self.checkraises(TypeError, 'hello', 'expandtabs', 42, 42)
174
175 def test_split(self):
176 self.checkequal(['this', 'is', 'the', 'split', 'function'],
177 'this is the split function', 'split')
178 self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|')
179 self.checkequal(['a', 'b', 'c|d'], 'a|b|c|d', 'split', '|', 2)
180 self.checkequal(['a', 'b c d'], 'a b c d', 'split', None, 1)
181 self.checkequal(['a', 'b', 'c d'], 'a b c d', 'split', None, 2)
182 self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'split', None, 3)
183 self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'split', None, 4)
184 self.checkequal(['a b c d'], 'a b c d', 'split', None, 0)
185 self.checkequal(['a', 'b', 'c d'], 'a b c d', 'split', None, 2)
186 self.checkequal(['a', 'b', 'c', 'd'], 'a b c d ', 'split')
187 self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//')
188 self.checkequal(['endcase ', ''], 'endcase test', 'split', 'test')
189
190 self.checkraises(TypeError, 'hello', 'split', 42, 42, 42)
191
192 def test_strip(self):
193 self.checkequal('hello', ' hello ', 'strip')
194 self.checkequal('hello ', ' hello ', 'lstrip')
195 self.checkequal(' hello', ' hello ', 'rstrip')
196 self.checkequal('hello', 'hello', 'strip')
197
198 def test_ljust(self):
199 self.checkequal('abc ', 'abc', 'ljust', 10)
200 self.checkequal('abc ', 'abc', 'ljust', 6)
201 self.checkequal('abc', 'abc', 'ljust', 3)
202 self.checkequal('abc', 'abc', 'ljust', 2)
203
204 self.checkraises(TypeError, 'abc', 'ljust')
205
206 def test_rjust(self):
207 self.checkequal(' abc', 'abc', 'rjust', 10)
208 self.checkequal(' abc', 'abc', 'rjust', 6)
209 self.checkequal('abc', 'abc', 'rjust', 3)
210 self.checkequal('abc', 'abc', 'rjust', 2)
211
212 self.checkraises(TypeError, 'abc', 'rjust')
213
214 def test_center(self):
215 self.checkequal(' abc ', 'abc', 'center', 10)
216 self.checkequal(' abc ', 'abc', 'center', 6)
217 self.checkequal('abc', 'abc', 'center', 3)
218 self.checkequal('abc', 'abc', 'center', 2)
219
220 self.checkraises(TypeError, 'abc', 'center')
221
222 def test_swapcase(self):
223 self.checkequal('hEllO CoMPuTErS', 'HeLLo cOmpUteRs', 'swapcase')
224
225 self.checkraises(TypeError, 'hello', 'swapcase', 42)
226
227 def test_replace(self):
228 self.checkequal('one@two!three!', 'one!two!three!', 'replace', '!', '@', 1)
229 self.checkequal('onetwothree', 'one!two!three!', 'replace', '!', '')
230 self.checkequal('one@two@three!', 'one!two!three!', 'replace', '!', '@', 2)
231 self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@', 3)
232 self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@', 4)
233 self.checkequal('one!two!three!', 'one!two!three!', 'replace', '!', '@', 0)
234 self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@')
235 self.checkequal('one!two!three!', 'one!two!three!', 'replace', 'x', '@')
236 self.checkequal('one!two!three!', 'one!two!three!', 'replace', 'x', '@', 2)
237 self.checkequal('-a-b-c-', 'abc', 'replace', '', '-')
238 self.checkequal('-a-b-c', 'abc', 'replace', '', '-', 3)
239 self.checkequal('abc', 'abc', 'replace', '', '-', 0)
240 self.checkequal('', '', 'replace', '', '')
241 self.checkequal('abc', 'abc', 'replace', 'ab', '--', 0)
242 self.checkequal('abc', 'abc', 'replace', 'xy', '--')
243 # Next three for SF bug 422088: [OSF1 alpha] string.replace(); died with
244 # MemoryError due to empty result (platform malloc issue when requesting
245 # 0 bytes).
246 self.checkequal('', '123', 'replace', '123', '')
247 self.checkequal('', '123123', 'replace', '123', '')
248 self.checkequal('x', '123x123', 'replace', '123', '')
249
250 self.checkraises(TypeError, 'hello', 'replace')
251 self.checkraises(TypeError, 'hello', 'replace', 42)
252 self.checkraises(TypeError, 'hello', 'replace', 42, 'h')
253 self.checkraises(TypeError, 'hello', 'replace', 'h', 42)
254
255 def test_zfill(self):
256 self.checkequal('123', '123', 'zfill', 2)
257 self.checkequal('123', '123', 'zfill', 3)
258 self.checkequal('0123', '123', 'zfill', 4)
259 self.checkequal('+123', '+123', 'zfill', 3)
260 self.checkequal('+123', '+123', 'zfill', 4)
261 self.checkequal('+0123', '+123', 'zfill', 5)
262 self.checkequal('-123', '-123', 'zfill', 3)
263 self.checkequal('-123', '-123', 'zfill', 4)
264 self.checkequal('-0123', '-123', 'zfill', 5)
265 self.checkequal('000', '', 'zfill', 3)
266 self.checkequal('34', '34', 'zfill', 1)
267 self.checkequal('0034', '34', 'zfill', 4)
268
269 self.checkraises(TypeError, '123', 'zfill')
270
271class MixinStrUnicodeUserStringTest:
272 # additional tests that only work for
273 # stringlike objects, i.e. str, unicode, UserString
274 # (but not the string module)
275
276 def test_islower(self):
277 self.checkequal(False, '', 'islower')
278 self.checkequal(True, 'a', 'islower')
279 self.checkequal(False, 'A', 'islower')
280 self.checkequal(False, '\n', 'islower')
281 self.checkequal(True, 'abc', 'islower')
282 self.checkequal(False, 'aBc', 'islower')
283 self.checkequal(True, 'abc\n', 'islower')
284 self.checkraises(TypeError, 'abc', 'islower', 42)
285
286 def test_isupper(self):
287 self.checkequal(False, '', 'isupper')
288 self.checkequal(False, 'a', 'isupper')
289 self.checkequal(True, 'A', 'isupper')
290 self.checkequal(False, '\n', 'isupper')
291 self.checkequal(True, 'ABC', 'isupper')
292 self.checkequal(False, 'AbC', 'isupper')
293 self.checkequal(True, 'ABC\n', 'isupper')
294 self.checkraises(TypeError, 'abc', 'isupper', 42)
295
296 def test_istitle(self):
297 self.checkequal(False, '', 'istitle')
298 self.checkequal(False, 'a', 'istitle')
299 self.checkequal(True, 'A', 'istitle')
300 self.checkequal(False, '\n', 'istitle')
301 self.checkequal(True, 'A Titlecased Line', 'istitle')
302 self.checkequal(True, 'A\nTitlecased Line', 'istitle')
303 self.checkequal(True, 'A Titlecased, Line', 'istitle')
304 self.checkequal(False, 'Not a capitalized String', 'istitle')
305 self.checkequal(False, 'Not\ta Titlecase String', 'istitle')
306 self.checkequal(False, 'Not--a Titlecase String', 'istitle')
307 self.checkequal(False, 'NOT', 'istitle')
308 self.checkraises(TypeError, 'abc', 'istitle', 42)
309
310 def test_isspace(self):
311 self.checkequal(False, '', 'isspace')
312 self.checkequal(False, 'a', 'isspace')
313 self.checkequal(True, ' ', 'isspace')
314 self.checkequal(True, '\t', 'isspace')
315 self.checkequal(True, '\r', 'isspace')
316 self.checkequal(True, '\n', 'isspace')
317 self.checkequal(True, ' \t\r\n', 'isspace')
318 self.checkequal(False, ' \t\r\na', 'isspace')
319 self.checkraises(TypeError, 'abc', 'isspace', 42)
320
321 def test_isalpha(self):
322 self.checkequal(False, '', 'isalpha')
323 self.checkequal(True, 'a', 'isalpha')
324 self.checkequal(True, 'A', 'isalpha')
325 self.checkequal(False, '\n', 'isalpha')
326 self.checkequal(True, 'abc', 'isalpha')
327 self.checkequal(False, 'aBc123', 'isalpha')
328 self.checkequal(False, 'abc\n', 'isalpha')
329 self.checkraises(TypeError, 'abc', 'isalpha', 42)
330
331 def test_isalnum(self):
332 self.checkequal(False, '', 'isalnum')
333 self.checkequal(True, 'a', 'isalnum')
334 self.checkequal(True, 'A', 'isalnum')
335 self.checkequal(False, '\n', 'isalnum')
336 self.checkequal(True, '123abc456', 'isalnum')
337 self.checkequal(True, 'a1b3c', 'isalnum')
338 self.checkequal(False, 'aBc000 ', 'isalnum')
339 self.checkequal(False, 'abc\n', 'isalnum')
340 self.checkraises(TypeError, 'abc', 'isalnum', 42)
341
342 def test_isdigit(self):
343 self.checkequal(False, '', 'isdigit')
344 self.checkequal(False, 'a', 'isdigit')
345 self.checkequal(True, '0', 'isdigit')
346 self.checkequal(True, '0123456789', 'isdigit')
347 self.checkequal(False, '0123456789a', 'isdigit')
348
349 self.checkraises(TypeError, 'abc', 'isdigit', 42)
350
351 def test_title(self):
352 self.checkequal(' Hello ', ' hello ', 'title')
353 self.checkequal('Hello ', 'hello ', 'title')
354 self.checkequal('Hello ', 'Hello ', 'title')
355 self.checkequal('Format This As Title String', "fOrMaT thIs aS titLe String", 'title')
356 self.checkequal('Format,This-As*Title;String', "fOrMaT,thIs-aS*titLe;String", 'title', )
357 self.checkequal('Getint', "getInt", 'title')
358 self.checkraises(TypeError, 'hello', 'title', 42)
359
360 def test_splitlines(self):
361 self.checkequal(['abc', 'def', '', 'ghi'], "abc\ndef\n\rghi", 'splitlines')
362 self.checkequal(['abc', 'def', '', 'ghi'], "abc\ndef\n\r\nghi", 'splitlines')
363 self.checkequal(['abc', 'def', 'ghi'], "abc\ndef\r\nghi", 'splitlines')
364 self.checkequal(['abc', 'def', 'ghi'], "abc\ndef\r\nghi\n", 'splitlines')
365 self.checkequal(['abc', 'def', 'ghi', ''], "abc\ndef\r\nghi\n\r", 'splitlines')
366 self.checkequal(['', 'abc', 'def', 'ghi', ''], "\nabc\ndef\r\nghi\n\r", 'splitlines')
367 self.checkequal(['\n', 'abc\n', 'def\r\n', 'ghi\n', '\r'], "\nabc\ndef\r\nghi\n\r", 'splitlines', 1)
368
369 self.checkraises(TypeError, 'abc', 'splitlines', 42, 42)
370
371 def test_startswith(self):
372 self.checkequal(True, 'hello', 'startswith', 'he')
373 self.checkequal(True, 'hello', 'startswith', 'hello')
374 self.checkequal(False, 'hello', 'startswith', 'hello world')
375 self.checkequal(True, 'hello', 'startswith', '')
376 self.checkequal(False, 'hello', 'startswith', 'ello')
377 self.checkequal(True, 'hello', 'startswith', 'ello', 1)
378 self.checkequal(True, 'hello', 'startswith', 'o', 4)
379 self.checkequal(False, 'hello', 'startswith', 'o', 5)
380 self.checkequal(True, 'hello', 'startswith', '', 5)
381 self.checkequal(False, 'hello', 'startswith', 'lo', 6)
382 self.checkequal(True, 'helloworld', 'startswith', 'lowo', 3)
383 self.checkequal(True, 'helloworld', 'startswith', 'lowo', 3, 7)
384 self.checkequal(False, 'helloworld', 'startswith', 'lowo', 3, 6)
385
386 # test negative indices
387 self.checkequal(True, 'hello', 'startswith', 'he', 0, -1)
388 self.checkequal(True, 'hello', 'startswith', 'he', -53, -1)
389 self.checkequal(False, 'hello', 'startswith', 'hello', 0, -1)
390 self.checkequal(False, 'hello', 'startswith', 'hello world', -1, -10)
391 self.checkequal(False, 'hello', 'startswith', 'ello', -5)
392 self.checkequal(True, 'hello', 'startswith', 'ello', -4)
393 self.checkequal(False, 'hello', 'startswith', 'o', -2)
394 self.checkequal(True, 'hello', 'startswith', 'o', -1)
395 self.checkequal(True, 'hello', 'startswith', '', -3, -3)
396 self.checkequal(False, 'hello', 'startswith', 'lo', -9)
397
398 self.checkraises(TypeError, 'hello', 'startswith')
399 self.checkraises(TypeError, 'hello', 'startswith', 42)
400
401 def test_endswith(self):
402 self.checkequal(True, 'hello', 'endswith', 'lo')
403 self.checkequal(False, 'hello', 'endswith', 'he')
404 self.checkequal(True, 'hello', 'endswith', '')
405 self.checkequal(False, 'hello', 'endswith', 'hello world')
406 self.checkequal(False, 'helloworld', 'endswith', 'worl')
407 self.checkequal(True, 'helloworld', 'endswith', 'worl', 3, 9)
408 self.checkequal(True, 'helloworld', 'endswith', 'world', 3, 12)
409 self.checkequal(True, 'helloworld', 'endswith', 'lowo', 1, 7)
410 self.checkequal(True, 'helloworld', 'endswith', 'lowo', 2, 7)
411 self.checkequal(True, 'helloworld', 'endswith', 'lowo', 3, 7)
412 self.checkequal(False, 'helloworld', 'endswith', 'lowo', 4, 7)
413 self.checkequal(False, 'helloworld', 'endswith', 'lowo', 3, 8)
414 self.checkequal(False, 'ab', 'endswith', 'ab', 0, 1)
415 self.checkequal(False, 'ab', 'endswith', 'ab', 0, 0)
416
417 # test negative indices
418 self.checkequal(True, 'hello', 'endswith', 'lo', -2)
419 self.checkequal(False, 'hello', 'endswith', 'he', -2)
420 self.checkequal(True, 'hello', 'endswith', '', -3, -3)
421 self.checkequal(False, 'hello', 'endswith', 'hello world', -10, -2)
422 self.checkequal(False, 'helloworld', 'endswith', 'worl', -6)
423 self.checkequal(True, 'helloworld', 'endswith', 'worl', -5, -1)
424 self.checkequal(True, 'helloworld', 'endswith', 'worl', -5, 9)
425 self.checkequal(True, 'helloworld', 'endswith', 'world', -7, 12)
426 self.checkequal(True, 'helloworld', 'endswith', 'lowo', -99, -3)
427 self.checkequal(True, 'helloworld', 'endswith', 'lowo', -8, -3)
428 self.checkequal(True, 'helloworld', 'endswith', 'lowo', -7, -3)
429 self.checkequal(False, 'helloworld', 'endswith', 'lowo', 3, -4)
430 self.checkequal(False, 'helloworld', 'endswith', 'lowo', -8, -2)
431
432 self.checkraises(TypeError, 'hello', 'endswith')
433 self.checkraises(TypeError, 'hello', 'endswith', 42)
434
435 def test_strip_args(self):
436 # strip/lstrip/rstrip with None arg
437 self.checkequal('hello', ' hello ', 'strip', None)
438 self.checkequal('hello ', ' hello ', 'lstrip', None)
439 self.checkequal(' hello', ' hello ', 'rstrip', None)
440 self.checkequal('hello', 'hello', 'strip', None)
441
442 # strip/lstrip/rstrip with str arg
443 self.checkequal('hello', 'xyzzyhelloxyzzy', 'strip', 'xyz')
444 self.checkequal('helloxyzzy', 'xyzzyhelloxyzzy', 'lstrip', 'xyz')
445 self.checkequal('xyzzyhello', 'xyzzyhelloxyzzy', 'rstrip', 'xyz')
446 self.checkequal('hello', 'hello', 'strip', 'xyz')
447
448 # strip/lstrip/rstrip with unicode arg
449 if test_support.have_unicode:
450 self.checkequal(unicode('hello', 'ascii'), 'xyzzyhelloxyzzy',
451 'strip', unicode('xyz', 'ascii'))
452 self.checkequal(unicode('helloxyzzy', 'ascii'), 'xyzzyhelloxyzzy',
453 'lstrip', unicode('xyz', 'ascii'))
454 self.checkequal(unicode('xyzzyhello', 'ascii'), 'xyzzyhelloxyzzy',
455 'rstrip', unicode('xyz', 'ascii'))
456 self.checkequal(unicode('hello', 'ascii'), 'hello',
457 'strip', unicode('xyz', 'ascii'))
458
459 self.checkraises(TypeError, 'hello', 'strip', 42, 42)
460 self.checkraises(TypeError, 'hello', 'lstrip', 42, 42)
461 self.checkraises(TypeError, 'hello', 'rstrip', 42, 42)
462
463 def test___contains__(self):
464 self.checkequal(True, '', '__contains__', '') # vereq('' in '', True)
465 self.checkequal(True, 'abc', '__contains__', '') # vereq('' in 'abc', True)
466 self.checkequal(False, 'abc', '__contains__', '\0') # vereq('\0' in 'abc', False)
467 self.checkequal(True, '\0abc', '__contains__', '\0') # vereq('\0' in '\0abc', True)
468 self.checkequal(True, 'abc\0', '__contains__', '\0') # vereq('\0' in 'abc\0', True)
469 self.checkequal(True, '\0abc', '__contains__', 'a') # vereq('a' in '\0abc', True)
470 self.checkequal(True, 'asdf', '__contains__', 'asdf') # vereq('asdf' in 'asdf', True)
471 self.checkequal(False, 'asd', '__contains__', 'asdf') # vereq('asdf' in 'asd', False)
472 self.checkequal(False, '', '__contains__', 'asdf') # vereq('asdf' in '', False)
473
474 def test_subscript(self):
475 self.checkequal(u'a', 'abc', '__getitem__', 0)
476 self.checkequal(u'c', 'abc', '__getitem__', -1)
477 self.checkequal(u'a', 'abc', '__getitem__', 0L)
478 self.checkequal(u'abc', 'abc', '__getitem__', slice(0, 3))
479 self.checkequal(u'abc', 'abc', '__getitem__', slice(0, 1000))
480 self.checkequal(u'a', 'abc', '__getitem__', slice(0, 1))
481 self.checkequal(u'', 'abc', '__getitem__', slice(0, 0))
482 # FIXME What about negative indizes? This is handled differently by [] and __getitem__(slice)
483
484 self.checkraises(TypeError, 'abc', '__getitem__', 'def')
485
486 def test_slice(self):
487 self.checkequal('abc', 'abc', '__getslice__', 0, 1000)
488 self.checkequal('abc', 'abc', '__getslice__', 0, 3)
489 self.checkequal('ab', 'abc', '__getslice__', 0, 2)
490 self.checkequal('bc', 'abc', '__getslice__', 1, 3)
491 self.checkequal('b', 'abc', '__getslice__', 1, 2)
492 self.checkequal('', 'abc', '__getslice__', 2, 2)
493 self.checkequal('', 'abc', '__getslice__', 1000, 1000)
494 self.checkequal('', 'abc', '__getslice__', 2000, 1000)
495 self.checkequal('', 'abc', '__getslice__', 2, 1)
496 # FIXME What about negative indizes? This is handled differently by [] and __getslice__
497
498 self.checkraises(TypeError, 'abc', '__getslice__', 'def')
499
500 def test_mul(self):
501 self.checkequal('', 'abc', '__mul__', -1)
502 self.checkequal('', 'abc', '__mul__', 0)
503 self.checkequal('abc', 'abc', '__mul__', 1)
504 self.checkequal('abcabcabc', 'abc', '__mul__', 3)
505 self.checkraises(TypeError, 'abc', '__mul__')
506 self.checkraises(TypeError, 'abc', '__mul__', '')
Neal Norwitz15ff0e92003-02-23 23:15:26 +0000507 self.checkraises(OverflowError, 10000*'abc', '__mul__', 2000000000)
Walter Dörwald0fd583c2003-02-21 12:53:50 +0000508
509 def test_join(self):
510 # join now works with any sequence type
511 # moved here, because the argument order is
512 # different in string.join (see the test in
513 # test.test_string.StringTest.test_join)
514 self.checkequal('a b c d', ' ', 'join', ['a', 'b', 'c', 'd'])
515 self.checkequal('abcd', '', 'join', ('a', 'b', 'c', 'd'))
516 self.checkequal('w x y z', ' ', 'join', Sequence())
517 self.checkequal('abc', 'a', 'join', ('abc',))
518 self.checkequal('z', 'a', 'join', UserList(['z']))
519 if test_support.have_unicode:
520 self.checkequal(unicode('a.b.c'), unicode('.'), 'join', ['a', 'b', 'c'])
521 self.checkequal(unicode('a.b.c'), '.', 'join', [unicode('a'), 'b', 'c'])
522 self.checkequal(unicode('a.b.c'), '.', 'join', ['a', unicode('b'), 'c'])
523 self.checkequal(unicode('a.b.c'), '.', 'join', ['a', 'b', unicode('c')])
524 self.checkraises(TypeError, '.', 'join', ['a', unicode('b'), 3])
525 for i in [5, 25, 125]:
526 self.checkequal(((('a' * i) + '-') * i)[:-1], '-', 'join',
527 ['a' * i] * i)
528 self.checkequal(((('a' * i) + '-') * i)[:-1], '-', 'join',
529 ('a' * i,) * i)
530
531 self.checkraises(TypeError, ' ', 'join', BadSeq1())
532 self.checkequal('a b c', ' ', 'join', BadSeq2())
533
534 self.checkraises(TypeError, ' ', 'join')
535 self.checkraises(TypeError, ' ', 'join', 7)
536 self.checkraises(TypeError, ' ', 'join', Sequence([7, 'hello', 123L]))
537
538 def test_formatting(self):
539 self.checkequal('+hello+', '+%s+', '__mod__', 'hello')
540 self.checkequal('+10+', '+%d+', '__mod__', 10)
541 self.checkequal('a', "%c", '__mod__', "a")
542 self.checkequal('a', "%c", '__mod__', "a")
543 self.checkequal('"', "%c", '__mod__', 34)
544 self.checkequal('$', "%c", '__mod__', 36)
545 self.checkequal('10', "%d", '__mod__', 10)
Walter Dörwald43440a62003-03-31 18:07:50 +0000546 self.checkequal('\x7f', "%c", '__mod__', 0x7f)
Walter Dörwald0fd583c2003-02-21 12:53:50 +0000547
548 for ordinal in (-100, 0x200000):
549 # unicode raises ValueError, str raises OverflowError
550 self.checkraises((ValueError, OverflowError), '%c', '__mod__', ordinal)
551
552 self.checkequal(' 42', '%3ld', '__mod__', 42)
553 self.checkequal('0042.00', '%07.2f', '__mod__', 42)
554
555 self.checkraises(TypeError, 'abc', '__mod__')
556 self.checkraises(TypeError, '%(foo)s', '__mod__', 42)
557 self.checkraises(TypeError, '%s%s', '__mod__', (42,))
558 self.checkraises(TypeError, '%c', '__mod__', (None,))
559 self.checkraises(ValueError, '%(foo', '__mod__', {})
560 self.checkraises(TypeError, '%(foo)s %(bar)s', '__mod__', ('foo', 42))
561
562 # argument names with properly nested brackets are supported
563 self.checkequal('bar', '%((foo))s', '__mod__', {'(foo)': 'bar'})
564
565 # 100 is a magic number in PyUnicode_Format, this forces a resize
566 self.checkequal(103*'a'+'x', '%sx', '__mod__', 103*'a')
567
568 self.checkraises(TypeError, '%*s', '__mod__', ('foo', 'bar'))
569 self.checkraises(TypeError, '%10.*f', '__mod__', ('foo', 42.))
570 self.checkraises(ValueError, '%10', '__mod__', (42,))
571
572 def test_floatformatting(self):
573 # float formatting
574 for prec in xrange(100):
575 format = '%%.%if' % prec
576 value = 0.01
577 for x in xrange(60):
578 value = value * 3.141592655 / 3.0 * 10.0
579 # The formatfloat() code in stringobject.c and
580 # unicodeobject.c uses a 120 byte buffer and switches from
581 # 'f' formatting to 'g' at precision 50, so we expect
582 # OverflowErrors for the ranges x < 50 and prec >= 67.
583 if x < 50 and prec >= 67:
584 self.checkraises(OverflowError, format, "__mod__", value)
585 else:
586 self.checkcall(format, "__mod__", value)
587
588class MixinStrStringUserStringTest:
589 # Additional tests for 8bit strings, i.e. str, UserString and
590 # the string module
591
592 def test_maketrans(self):
593 self.assertEqual(
594 ''.join(map(chr, xrange(256))).replace('abc', 'xyz'),
595 string.maketrans('abc', 'xyz')
596 )
597 self.assertRaises(ValueError, string.maketrans, 'abc', 'xyzw')
598
599 def test_translate(self):
600 table = string.maketrans('abc', 'xyz')
601 self.checkequal('xyzxyz', 'xyzabcdef', 'translate', table, 'def')
602
603 table = string.maketrans('a', 'A')
604 self.checkequal('Abc', 'abc', 'translate', table)
605 self.checkequal('xyz', 'xyz', 'translate', table)
606 self.checkequal('yz', 'xyz', 'translate', table, 'x')
607 self.checkraises(ValueError, 'xyz', 'translate', 'too short', 'strip')
608 self.checkraises(ValueError, 'xyz', 'translate', 'too short')
Jeremy Hyltonf82b04e2000-07-10 17:08:42 +0000609
610
Walter Dörwald0fd583c2003-02-21 12:53:50 +0000611class MixinStrUserStringTest:
612 # Additional tests that only work with
613 # 8bit compatible object, i.e. str and UserString
Jeremy Hyltonf82b04e2000-07-10 17:08:42 +0000614
Walter Dörwald0fd583c2003-02-21 12:53:50 +0000615 def test_encoding_decoding(self):
616 codecs = [('rot13', 'uryyb jbeyq'),
617 ('base64', 'aGVsbG8gd29ybGQ=\n'),
618 ('hex', '68656c6c6f20776f726c64'),
619 ('uu', 'begin 666 <data>\n+:&5L;&\\@=V]R;&0 \n \nend\n')]
620 for encoding, data in codecs:
621 self.checkequal(data, 'hello world', 'encode', encoding)
622 self.checkequal('hello world', data, 'decode', encoding)
623 # zlib is optional, so we make the test optional too...
624 try:
625 import zlib
626 except ImportError:
627 pass
628 else:
629 data = 'x\x9c\xcbH\xcd\xc9\xc9W(\xcf/\xcaI\x01\x00\x1a\x0b\x04]'
630 self.checkequal(data, 'hello world', 'encode', 'zlib')
631 self.checkequal('hello world', data, 'decode', 'zlib')
Walter Dörwald97951de2003-03-26 14:31:25 +0000632
633 self.checkraises(TypeError, 'xyz', 'decode', 42)
634 self.checkraises(TypeError, 'xyz', 'encode', 42)
635