|
1 import unittest, string |
|
2 from test import test_support, string_tests |
|
3 from UserList import UserList |
|
4 |
|
5 class StringTest( |
|
6 string_tests.CommonTest, |
|
7 string_tests.MixinStrStringUserStringTest |
|
8 ): |
|
9 |
|
10 type2test = str |
|
11 |
|
12 def checkequal(self, result, object, methodname, *args): |
|
13 realresult = getattr(string, methodname)(object, *args) |
|
14 self.assertEqual( |
|
15 result, |
|
16 realresult |
|
17 ) |
|
18 |
|
19 def checkraises(self, exc, object, methodname, *args): |
|
20 self.assertRaises( |
|
21 exc, |
|
22 getattr(string, methodname), |
|
23 object, |
|
24 *args |
|
25 ) |
|
26 |
|
27 def checkcall(self, object, methodname, *args): |
|
28 getattr(string, methodname)(object, *args) |
|
29 |
|
30 def test_join(self): |
|
31 # These are the same checks as in string_test.ObjectTest.test_join |
|
32 # but the argument order ist different |
|
33 self.checkequal('a b c d', ['a', 'b', 'c', 'd'], 'join', ' ') |
|
34 self.checkequal('abcd', ('a', 'b', 'c', 'd'), 'join', '') |
|
35 self.checkequal('w x y z', string_tests.Sequence(), 'join', ' ') |
|
36 self.checkequal('abc', ('abc',), 'join', 'a') |
|
37 self.checkequal('z', UserList(['z']), 'join', 'a') |
|
38 if test_support.have_unicode: |
|
39 self.checkequal(unicode('a.b.c'), ['a', 'b', 'c'], 'join', unicode('.')) |
|
40 self.checkequal(unicode('a.b.c'), [unicode('a'), 'b', 'c'], 'join', '.') |
|
41 self.checkequal(unicode('a.b.c'), ['a', unicode('b'), 'c'], 'join', '.') |
|
42 self.checkequal(unicode('a.b.c'), ['a', 'b', unicode('c')], 'join', '.') |
|
43 self.checkraises(TypeError, ['a', unicode('b'), 3], 'join', '.') |
|
44 for i in [5, 25, 125]: |
|
45 self.checkequal( |
|
46 ((('a' * i) + '-') * i)[:-1], |
|
47 ['a' * i] * i, 'join', '-') |
|
48 self.checkequal( |
|
49 ((('a' * i) + '-') * i)[:-1], |
|
50 ('a' * i,) * i, 'join', '-') |
|
51 |
|
52 self.checkraises(TypeError, string_tests.BadSeq1(), 'join', ' ') |
|
53 self.checkequal('a b c', string_tests.BadSeq2(), 'join', ' ') |
|
54 try: |
|
55 def f(): |
|
56 yield 4 + "" |
|
57 self.fixtype(' ').join(f()) |
|
58 except TypeError, e: |
|
59 if '+' not in str(e): |
|
60 self.fail('join() ate exception message') |
|
61 else: |
|
62 self.fail('exception not raised') |
|
63 |
|
64 |
|
65 |
|
66 |
|
67 class ModuleTest(unittest.TestCase): |
|
68 |
|
69 def test_attrs(self): |
|
70 string.whitespace |
|
71 string.lowercase |
|
72 string.uppercase |
|
73 string.letters |
|
74 string.digits |
|
75 string.hexdigits |
|
76 string.octdigits |
|
77 string.punctuation |
|
78 string.printable |
|
79 |
|
80 def test_atoi(self): |
|
81 self.assertEqual(string.atoi(" 1 "), 1) |
|
82 self.assertRaises(ValueError, string.atoi, " 1x") |
|
83 self.assertRaises(ValueError, string.atoi, " x1 ") |
|
84 |
|
85 def test_atol(self): |
|
86 self.assertEqual(string.atol(" 1 "), 1L) |
|
87 self.assertRaises(ValueError, string.atol, " 1x ") |
|
88 self.assertRaises(ValueError, string.atol, " x1 ") |
|
89 |
|
90 def test_atof(self): |
|
91 self.assertAlmostEqual(string.atof(" 1 "), 1.0) |
|
92 self.assertRaises(ValueError, string.atof, " 1x ") |
|
93 self.assertRaises(ValueError, string.atof, " x1 ") |
|
94 |
|
95 def test_maketrans(self): |
|
96 transtable = '\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`xyzdefghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377' |
|
97 |
|
98 self.assertEqual(string.maketrans('abc', 'xyz'), transtable) |
|
99 self.assertRaises(ValueError, string.maketrans, 'abc', 'xyzq') |
|
100 |
|
101 def test_capwords(self): |
|
102 self.assertEqual(string.capwords('abc def ghi'), 'Abc Def Ghi') |
|
103 self.assertEqual(string.capwords('abc\tdef\nghi'), 'Abc Def Ghi') |
|
104 self.assertEqual(string.capwords('abc\t def \nghi'), 'Abc Def Ghi') |
|
105 self.assertEqual(string.capwords('ABC DEF GHI'), 'Abc Def Ghi') |
|
106 self.assertEqual(string.capwords('ABC-DEF-GHI', '-'), 'Abc-Def-Ghi') |
|
107 self.assertEqual(string.capwords('ABC-def DEF-ghi GHI'), 'Abc-def Def-ghi Ghi') |
|
108 |
|
109 def test_formatter(self): |
|
110 fmt = string.Formatter() |
|
111 self.assertEqual(fmt.format("foo"), "foo") |
|
112 |
|
113 self.assertEqual(fmt.format("foo{0}", "bar"), "foobar") |
|
114 self.assertEqual(fmt.format("foo{1}{0}-{1}", "bar", 6), "foo6bar-6") |
|
115 self.assertEqual(fmt.format("-{arg!r}-", arg='test'), "-'test'-") |
|
116 |
|
117 # override get_value ############################################ |
|
118 class NamespaceFormatter(string.Formatter): |
|
119 def __init__(self, namespace={}): |
|
120 string.Formatter.__init__(self) |
|
121 self.namespace = namespace |
|
122 |
|
123 def get_value(self, key, args, kwds): |
|
124 if isinstance(key, str): |
|
125 try: |
|
126 # Check explicitly passed arguments first |
|
127 return kwds[key] |
|
128 except KeyError: |
|
129 return self.namespace[key] |
|
130 else: |
|
131 string.Formatter.get_value(key, args, kwds) |
|
132 |
|
133 fmt = NamespaceFormatter({'greeting':'hello'}) |
|
134 self.assertEqual(fmt.format("{greeting}, world!"), 'hello, world!') |
|
135 |
|
136 |
|
137 # override format_field ######################################### |
|
138 class CallFormatter(string.Formatter): |
|
139 def format_field(self, value, format_spec): |
|
140 return format(value(), format_spec) |
|
141 |
|
142 fmt = CallFormatter() |
|
143 self.assertEqual(fmt.format('*{0}*', lambda : 'result'), '*result*') |
|
144 |
|
145 |
|
146 # override convert_field ######################################## |
|
147 class XFormatter(string.Formatter): |
|
148 def convert_field(self, value, conversion): |
|
149 if conversion == 'x': |
|
150 return None |
|
151 return super(XFormatter, self).convert_field(value, conversion) |
|
152 |
|
153 fmt = XFormatter() |
|
154 self.assertEqual(fmt.format("{0!r}:{0!x}", 'foo', 'foo'), "'foo':None") |
|
155 |
|
156 |
|
157 # override parse ################################################ |
|
158 class BarFormatter(string.Formatter): |
|
159 # returns an iterable that contains tuples of the form: |
|
160 # (literal_text, field_name, format_spec, conversion) |
|
161 def parse(self, format_string): |
|
162 for field in format_string.split('|'): |
|
163 if field[0] == '+': |
|
164 # it's markup |
|
165 field_name, _, format_spec = field[1:].partition(':') |
|
166 yield '', field_name, format_spec, None |
|
167 else: |
|
168 yield field, None, None, None |
|
169 |
|
170 fmt = BarFormatter() |
|
171 self.assertEqual(fmt.format('*|+0:^10s|*', 'foo'), '* foo *') |
|
172 |
|
173 # test all parameters used |
|
174 class CheckAllUsedFormatter(string.Formatter): |
|
175 def check_unused_args(self, used_args, args, kwargs): |
|
176 # Track which arguments actuallly got used |
|
177 unused_args = set(kwargs.keys()) |
|
178 unused_args.update(range(0, len(args))) |
|
179 |
|
180 for arg in used_args: |
|
181 unused_args.remove(arg) |
|
182 |
|
183 if unused_args: |
|
184 raise ValueError("unused arguments") |
|
185 |
|
186 fmt = CheckAllUsedFormatter() |
|
187 self.assertEqual(fmt.format("{0}", 10), "10") |
|
188 self.assertEqual(fmt.format("{0}{i}", 10, i=100), "10100") |
|
189 self.assertEqual(fmt.format("{0}{i}{1}", 10, 20, i=100), "1010020") |
|
190 self.assertRaises(ValueError, fmt.format, "{0}{i}{1}", 10, 20, i=100, j=0) |
|
191 self.assertRaises(ValueError, fmt.format, "{0}", 10, 20) |
|
192 self.assertRaises(ValueError, fmt.format, "{0}", 10, 20, i=100) |
|
193 self.assertRaises(ValueError, fmt.format, "{i}", 10, 20, i=100) |
|
194 |
|
195 # Alternate formatting is not supported |
|
196 self.assertRaises(ValueError, format, '', '#') |
|
197 self.assertRaises(ValueError, format, '', '#20') |
|
198 |
|
199 class BytesAliasTest(unittest.TestCase): |
|
200 |
|
201 def test_builtin(self): |
|
202 self.assert_(str is bytes) |
|
203 |
|
204 def test_syntax(self): |
|
205 self.assertEqual(b"spam", "spam") |
|
206 self.assertEqual(br"egg\foo", "egg\\foo") |
|
207 self.assert_(type(b""), str) |
|
208 self.assert_(type(br""), str) |
|
209 |
|
210 def test_main(): |
|
211 test_support.run_unittest(StringTest, ModuleTest, BytesAliasTest) |
|
212 |
|
213 if __name__ == "__main__": |
|
214 test_main() |