summaryrefslogtreecommitdiffstats
path: root/Lib/test/test_cfgparser.py
blob: b1b495e7aa1331fd7b9281e4bd781dcf07b614ce (plain)
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
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
import ConfigParser
import StringIO
import unittest

from test import test_support


class TestCaseBase(unittest.TestCase):
    def newconfig(self, defaults=None):
        if defaults is None:
            self.cf = self.config_class()
        else:
            self.cf = self.config_class(defaults)
        return self.cf

    def fromstring(self, string, defaults=None):
        cf = self.newconfig(defaults)
        sio = StringIO.StringIO(string)
        cf.readfp(sio)
        return cf

    def test_basic(self):
        cf = self.fromstring(
            "[Foo Bar]\n"
            "foo=bar\n"
            "[Spacey Bar]\n"
            "foo = bar\n"
            "[Commented Bar]\n"
            "foo: bar ; comment\n"
            "[Long Line]\n"
            "foo: this line is much, much longer than my editor\n"
            "   likes it.\n"
            "[Section\\with$weird%characters[\t]\n"
            "[Internationalized Stuff]\n"
            "foo[bg]: Bulgarian\n"
            "foo=Default\n"
            "foo[en]=English\n"
            "foo[de]=Deutsch\n"
            "[Spaces]\n"
            "key with spaces : value\n"
            "another with spaces = splat!\n"
            )
        L = cf.sections()
        L.sort()
        eq = self.assertEqual
        eq(L, [r'Commented Bar',
               r'Foo Bar',
               r'Internationalized Stuff',
               r'Long Line',
               r'Section\with$weird%characters[' '\t',
               r'Spaces',
               r'Spacey Bar',
               ])

        # The use of spaces in the section names serves as a
        # regression test for SourceForge bug #583248:
        # http://www.python.org/sf/583248
        eq(cf.get('Foo Bar', 'foo'), 'bar')
        eq(cf.get('Spacey Bar', 'foo'), 'bar')
        eq(cf.get('Commented Bar', 'foo'), 'bar')
        eq(cf.get('Spaces', 'key with spaces'), 'value')
        eq(cf.get('Spaces', 'another with spaces'), 'splat!')

        self.failIf('__name__' in cf.options("Foo Bar"),
                    '__name__ "option" should not be exposed by the API!')

        # Make sure the right things happen for remove_option();
        # added to include check for SourceForge bug #123324:
        self.failUnless(cf.remove_option('Foo Bar', 'foo'),
                        "remove_option() failed to report existance of option")
        self.failIf(cf.has_option('Foo Bar', 'foo'),
                    "remove_option() failed to remove option")
        self.failIf(cf.remove_option('Foo Bar', 'foo'),
                    "remove_option() failed to report non-existance of option"
                    " that was removed")

        self.assertRaises(ConfigParser.NoSectionError,
                          cf.remove_option, 'No Such Section', 'foo')

        eq(cf.get('Long Line', 'foo'),
           'this line is much, much longer than my editor\nlikes it.')

    def test_case_sensitivity(self):
        cf = self.newconfig()
        cf.add_section("A")
        cf.add_section("a")
        L = cf.sections()
        L.sort()
        eq = self.assertEqual
        eq(L, ["A", "a"])
        cf.set("a", "B", "value")
        eq(cf.options("a"), ["b"])
        eq(cf.get("a", "b"), "value",
           "could not locate option, expecting case-insensitive option names")
        self.failUnless(cf.has_option("a", "b"))
        cf.set("A", "A-B", "A-B value")
        for opt in ("a-b", "A-b", "a-B", "A-B"):
            self.failUnless(
                cf.has_option("A", opt),
                "has_option() returned false for option which should exist")
        eq(cf.options("A"), ["a-b"])
        eq(cf.options("a"), ["b"])
        cf.remove_option("a", "B")
        eq(cf.options("a"), [])

        # SF bug #432369:
        cf = self.fromstring(
            "[MySection]\nOption: first line\n\tsecond line\n")
        eq(cf.options("MySection"), ["option"])
        eq(cf.get("MySection", "Option"), "first line\nsecond line")

        # SF bug #561822:
        cf = self.fromstring("[section]\nnekey=nevalue\n",
                             defaults={"key":"value"})
        self.failUnless(cf.has_option("section", "Key"))


    def test_parse_errors(self):
        self.newconfig()
        self.parse_error(ConfigParser.ParsingError,
                         "[Foo]\n  extra-spaces: splat\n")
        self.parse_error(ConfigParser.ParsingError,
                         "[Foo]\n  extra-spaces= splat\n")
        self.parse_error(ConfigParser.ParsingError,
                         "[Foo]\noption-without-value\n")
        self.parse_error(ConfigParser.ParsingError,
                         "[Foo]\n:value-without-option-name\n")
        self.parse_error(ConfigParser.ParsingError,
                         "[Foo]\n=value-without-option-name\n")
        self.parse_error(ConfigParser.MissingSectionHeaderError,
                         "No Section!\n")

    def parse_error(self, exc, src):
        sio = StringIO.StringIO(src)
        self.assertRaises(exc, self.cf.readfp, sio)

    def test_query_errors(self):
        cf = self.newconfig()
        self.assertEqual(cf.sections(), [],
                         "new ConfigParser should have no defined sections")
        self.failIf(cf.has_section("Foo"),
                    "new ConfigParser should have no acknowledged sections")
        self.assertRaises(ConfigParser.NoSectionError,
                          cf.options, "Foo")
        self.assertRaises(ConfigParser.NoSectionError,
                          cf.set, "foo", "bar", "value")
        self.get_error(ConfigParser.NoSectionError, "foo", "bar")
        cf.add_section("foo")
        self.get_error(ConfigParser.NoOptionError, "foo", "bar")

    def get_error(self, exc, section, option):
        try:
            self.cf.get(section, option)
        except exc, e:
            return e
        else:
            self.fail("expected exception type %s.%s"
                      % (exc.__module__, exc.__name__))

    def test_boolean(self):
        cf = self.fromstring(
            "[BOOLTEST]\n"
            "T1=1\n"
            "T2=TRUE\n"
            "T3=True\n"
            "T4=oN\n"
            "T5=yes\n"
            "F1=0\n"
            "F2=FALSE\n"
            "F3=False\n"
            "F4=oFF\n"
            "F5=nO\n"
            "E1=2\n"
            "E2=foo\n"
            "E3=-1\n"
            "E4=0.1\n"
            "E5=FALSE AND MORE"
            )
        for x in range(1, 5):
            self.failUnless(cf.getboolean('BOOLTEST', 't%d' % x))
            self.failIf(cf.getboolean('BOOLTEST', 'f%d' % x))
            self.assertRaises(ValueError,
                              cf.getboolean, 'BOOLTEST', 'e%d' % x)

    def test_weird_errors(self):
        cf = self.newconfig()
        cf.add_section("Foo")
        self.assertRaises(ConfigParser.DuplicateSectionError,
                          cf.add_section, "Foo")

    def test_write(self):
        cf = self.fromstring(
            "[Long Line]\n"
            "foo: this line is much, much longer than my editor\n"
            "   likes it.\n"
            "[DEFAULT]\n"
            "foo: another very\n"
            " long line"
            )
        output = StringIO.StringIO()
        cf.write(output)
        self.assertEqual(
            output.getvalue(),
            "[DEFAULT]\n"
            "foo = another very\n"
            "\tlong line\n"
            "\n"
            "[Long Line]\n"
            "foo = this line is much, much longer than my editor\n"
            "\tlikes it.\n"
            "\n"
            )

    # shared by subclasses
    def get_interpolation_config(self):
        return self.fromstring(
            "[Foo]\n"
            "bar=something %(with1)s interpolation (1 step)\n"
            "bar9=something %(with9)s lots of interpolation (9 steps)\n"
            "bar10=something %(with10)s lots of interpolation (10 steps)\n"
            "bar11=something %(with11)s lots of interpolation (11 steps)\n"
            "with11=%(with10)s\n"
            "with10=%(with9)s\n"
            "with9=%(with8)s\n"
            "with8=%(with7)s\n"
            "with7=%(with6)s\n"
            "with6=%(with5)s\n"
            "with5=%(with4)s\n"
            "with4=%(with3)s\n"
            "with3=%(with2)s\n"
            "with2=%(with1)s\n"
            "with1=with\n"
            "\n"
            "[Mutual Recursion]\n"
            "foo=%(bar)s\n"
            "bar=%(foo)s\n"
            "\n"
            "[Interpolation Error]\n"
            "name=%(reference)s\n",
            # no definition for 'reference'
            defaults={"getname": "%(__name__)s"})

    def check_items_config(self, expected):
        cf = self.fromstring(
            "[section]\n"
            "name = value\n"
            "key: |%(name)s| \n"
            "getdefault: |%(default)s|\n"
            "getname: |%(__name__)s|",
            defaults={"default": "<default>"})
        L = list(cf.items("section"))
        L.sort()
        self.assertEqual(L, expected)


class ConfigParserTestCase(TestCaseBase):
    config_class = ConfigParser.ConfigParser

    def test_interpolation(self):
        cf = self.get_interpolation_config()
        eq = self.assertEqual
        eq(cf.get("Foo", "getname"), "Foo")
        eq(cf.get("Foo", "bar"), "something with interpolation (1 step)")
        eq(cf.get("Foo", "bar9"),
           "something with lots of interpolation (9 steps)")
        eq(cf.get("Foo", "bar10"),
           "something with lots of interpolation (10 steps)")
        self.get_error(ConfigParser.InterpolationDepthError, "Foo", "bar11")

    def test_interpolation_missing_value(self):
        cf = self.get_interpolation_config()
        e = self.get_error(ConfigParser.InterpolationError,
                           "Interpolation Error", "name")
        self.assertEqual(e.reference, "reference")
        self.assertEqual(e.section, "Interpolation Error")
        self.assertEqual(e.option, "name")

    def test_items(self):
        self.check_items_config([('default', '<default>'),
                                 ('getdefault', '|<default>|'),
                                 ('getname', '|section|'),
                                 ('key', '|value|'),
                                 ('name', 'value')])


class RawConfigParserTestCase(TestCaseBase):
    config_class = ConfigParser.RawConfigParser

    def test_interpolation(self):
        cf = self.get_interpolation_config()
        eq = self.assertEqual
        eq(cf.get("Foo", "getname"), "%(__name__)s")
        eq(cf.get("Foo", "bar"),
           "something %(with1)s interpolation (1 step)")
        eq(cf.get("Foo", "bar9"),
           "something %(with9)s lots of interpolation (9 steps)")
        eq(cf.get("Foo", "bar10"),
           "something %(with10)s lots of interpolation (10 steps)")
        eq(cf.get("Foo", "bar11"),
           "something %(with11)s lots of interpolation (11 steps)")

    def test_items(self):
        self.check_items_config([('default', '<default>'),
                                 ('getdefault', '|%(default)s|'),
                                 ('getname', '|%(__name__)s|'),
                                 ('key', '|%(name)s|'),
                                 ('name', 'value')])


class SafeConfigParserTestCase(ConfigParserTestCase):
    config_class = ConfigParser.SafeConfigParser

    def test_safe_interpolation(self):
        # See http://www.python.org/sf/511737
        cf = self.fromstring("[section]\n"
                             "option1=xxx\n"
                             "option2=%(option1)s/xxx\n"
                             "ok=%(option1)s/%%s\n"
                             "not_ok=%(option2)s/%%s")
        self.assertEqual(cf.get("section", "ok"), "xxx/%s")
        self.assertEqual(cf.get("section", "not_ok"), "xxx/xxx/%s")


def test_main():
    test_support.run_unittest(
        ConfigParserTestCase,
        RawConfigParserTestCase,
        SafeConfigParserTestCase
    )

if __name__ == "__main__":
    test_main()