summaryrefslogtreecommitdiffstats
path: root/tests/test_util.py
blob: f87822a223f017f54f8b3bf5f6319b66e97482a7 (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
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
# Authors:
#   Jason Gerard DeRose <jderose@redhat.com>
#
# Copyright (C) 2008  Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""
Test the `tests.util` module.
"""

import re
import util
from util import raises, TYPE, VALUE, LEN, KEYS


class Prop(object):
    def __init__(self, *ops):
        self.__ops = frozenset(ops)
        self.__prop = 'prop value'

    def __get_prop(self):
        if 'get' not in self.__ops:
            raise AttributeError('get prop')
        return self.__prop

    def __set_prop(self, value):
        if 'set' not in self.__ops:
            raise AttributeError('set prop')
        self.__prop = value

    def __del_prop(self):
        if 'del' not in self.__ops:
            raise AttributeError('del prop')
        self.__prop = None

    prop = property(__get_prop, __set_prop, __del_prop)


class test_Fuzzy(object):
    klass = util.Fuzzy

    def test_init(self):
        inst = self.klass()
        assert inst.regex is None
        assert inst.type is None
        assert inst.test is None
        assert inst.re is None

        inst = self.klass('(foo|bar)')
        assert inst.regex == '(foo|bar)'
        assert inst.type is unicode
        assert inst.test is None
        assert isinstance(inst.re, re._pattern_type)

        inst = self.klass('(foo|bar)', type=str)
        assert inst.regex == '(foo|bar)'
        assert inst.type is str
        assert inst.test is None
        assert isinstance(inst.re, re._pattern_type)

        t = lambda other: other > 500

        inst = self.klass(test=t)
        assert inst.regex is None
        assert inst.type is None
        assert inst.test is t
        assert inst.re is None

        inst = self.klass(type=(int, float), test=t)
        assert inst.regex is None
        assert inst.type == (int, float)
        assert inst.test is t
        assert inst.re is None

    def test_repr(self):
        s = 'Fuzzy(%r, %r, %r)'
        t = lambda other: 0.0 <= other <= 1.0

        inst = self.klass()
        assert repr(inst) == s % (None, None, None)

        inst = self.klass('foo')
        assert repr(inst) == s % ('foo', unicode, None)

        inst = self.klass(type=(int, float))
        assert repr(inst) == s % (None, (int, float), None)

        inst = self.klass(type=(int, float), test=t)
        assert repr(inst) == s % (None, (int, float), t)

        inst = self.klass(test=t)
        assert repr(inst) == s % (None, None, t)

    def test_eq(self):
        assert (self.klass('bar') == u'foobar') is True
        assert (self.klass('^bar') == u'foobar') is False
        assert (self.klass('bar', type=str) == u'foobar') is False

        assert ('18' == self.klass()) is True
        assert ('18' == self.klass(type=int)) is False
        assert (18 == self.klass(type=int)) is True
        assert ('18' == self.klass(type=(int, str))) is True

        assert (self.klass() == '18') is True
        assert (self.klass(type=int) == '18') is False
        assert (self.klass(type=int) == 18) is True
        assert (self.klass(type=(int, str)) == '18') is True

        t = lambda other: other.endswith('bar')
        assert (self.klass(test=t) == 'foobar') is True
        assert (self.klass(test=t, type=unicode) == 'foobar') is False
        assert (self.klass(test=t) == 'barfoo') is False

        assert (False == self.klass()) is True
        assert (True == self.klass()) is True
        assert (None == self.klass()) is True


def test_assert_deepequal():
    f = util.assert_deepequal

    # Test with good scalar values:
    f(u'hello', u'hello')
    f(util.Fuzzy(), u'hello')
    f(util.Fuzzy(type=unicode), u'hello')
    f(util.Fuzzy('ell'), u'hello')
    f(util.Fuzzy(test=lambda other: other.endswith('llo')), u'hello')
    f(18, 18)
    f(util.Fuzzy(), 18)
    f(util.Fuzzy(type=int), 18)
    f(util.Fuzzy(type=(int, float), test=lambda other: other > 17.9), 18)

    # Test with bad scalar values:
    e = raises(AssertionError, f, u'hello', u'world', 'foo')
    assert str(e) == VALUE % (
        'foo', u'hello', u'world', tuple()
    )

    e = raises(AssertionError, f, 'hello', u'hello', 'foo')
    assert str(e) == TYPE % (
        'foo', str, unicode, 'hello', u'hello', tuple()
    )

    e = raises(AssertionError, f, 18, 18.0, 'foo')
    assert str(e) == TYPE % (
        'foo', int, float, 18, 18.0, tuple()
    )

    # Test with good compound values:
    a = [
        u'hello',
        dict(naughty=u'nurse'),
        18,
    ]
    b = [
        u'hello',
        dict(naughty=u'nurse'),
        18,
    ]
    f(a, b)

    # Test with bad compound values:
    b = [
        'hello',
        dict(naughty=u'nurse'),
        18,
    ]
    e = raises(AssertionError, f, a, b, 'foo')
    assert str(e) == TYPE % (
        'foo', unicode, str, u'hello', 'hello', (2,)
    )

    b = [
        u'hello',
        dict(naughty='nurse'),
        18,
    ]
    e = raises(AssertionError, f, a, b, 'foo')
    assert str(e) == TYPE % (
        'foo', unicode, str, u'nurse', 'nurse', (1, 'naughty')
    )

    b = [
        u'hello',
        dict(naughty=u'nurse'),
        18.0,
    ]
    e = raises(AssertionError, f, a, b, 'foo')
    assert str(e) == TYPE % (
        'foo', int, float, 18, 18.0, (0,)
    )

    # List length mismatch
    b = [
        u'hello',
        dict(naughty=u'nurse'),
        18,
        19
    ]
    e = raises(AssertionError, f, a, b, 'foo')
    assert str(e) == LEN % (
        'foo', 3, 4, a, b, tuple()
    )

    b = [
        dict(naughty=u'nurse'),
        18,
    ]
    e = raises(AssertionError, f, a, b, 'foo')
    assert str(e) == LEN % (
        'foo', 3, 2, a, b, tuple()
    )

    # Dict keys mismatch:

    # Missing
    b = [
        u'hello',
        dict(),
        18,
    ]
    e = raises(AssertionError, f, a, b, 'foo')
    assert str(e) == KEYS % ('foo',
        ['naughty'], [],
        dict(naughty=u'nurse'), dict(),
        (1,)
    )

    # Extra
    b = [
        u'hello',
        dict(naughty=u'nurse', barely=u'legal'),
        18,
    ]
    e = raises(AssertionError, f, a, b, 'foo')
    assert str(e) == KEYS % ('foo',
        [], ['barely'],
        dict(naughty=u'nurse'), dict(naughty=u'nurse', barely=u'legal'),
        (1,)
    )

    # Missing + Extra
    b = [
        u'hello',
        dict(barely=u'legal'),
        18,
    ]
    e = raises(AssertionError, f, a, b, 'foo')
    assert str(e) == KEYS % ('foo',
        ['naughty'], ['barely'],
        dict(naughty=u'nurse'), dict(barely=u'legal'),
        (1,)
    )


def test_yes_raised():
    f = util.raises

    class SomeError(Exception):
        pass

    class AnotherError(Exception):
        pass

    def callback1():
        'raises correct exception'
        raise SomeError()

    def callback2():
        'raises wrong exception'
        raise AnotherError()

    def callback3():
        'raises no exception'

    f(SomeError, callback1)

    raised = False
    try:
        f(SomeError, callback2)
    except AnotherError:
        raised = True
    assert raised

    raised = False
    try:
        f(SomeError, callback3)
    except util.ExceptionNotRaised:
        raised = True
    assert raised


def test_no_set():
    # Tests that it works when prop cannot be set:
    util.no_set(Prop('get', 'del'), 'prop')

    # Tests that ExceptionNotRaised is raised when prop *can* be set:
    raised = False
    try:
        util.no_set(Prop('set'), 'prop')
    except util.ExceptionNotRaised:
        raised = True
    assert raised


def test_no_del():
    # Tests that it works when prop cannot be deleted:
    util.no_del(Prop('get', 'set'), 'prop')

    # Tests that ExceptionNotRaised is raised when prop *can* be set:
    raised = False
    try:
        util.no_del(Prop('del'), 'prop')
    except util.ExceptionNotRaised:
        raised = True
    assert raised


def test_read_only():
    # Test that it works when prop is read only:
    assert util.read_only(Prop('get'), 'prop') == 'prop value'

    # Test that ExceptionNotRaised is raised when prop can be set:
    raised = False
    try:
        util.read_only(Prop('get', 'set'), 'prop')
    except util.ExceptionNotRaised:
        raised = True
    assert raised

    # Test that ExceptionNotRaised is raised when prop can be deleted:
    raised = False
    try:
        util.read_only(Prop('get', 'del'), 'prop')
    except util.ExceptionNotRaised:
        raised = True
    assert raised

    # Test that ExceptionNotRaised is raised when prop can be both set and
    # deleted:
    raised = False
    try:
        util.read_only(Prop('get', 'del'), 'prop')
    except util.ExceptionNotRaised:
        raised = True
    assert raised

    # Test that AttributeError is raised when prop can't be read:
    raised = False
    try:
        util.read_only(Prop(), 'prop')
    except AttributeError:
        raised = True
    assert raised