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
|
from __future__ import with_statement, absolute_import
from django.forms import EmailField
from django.test import SimpleTestCase, TestCase, skipUnlessDBFeature
from django.utils.unittest import skip
from .models import Person
class SkippingTestCase(TestCase):
def test_skip_unless_db_feature(self):
"A test that might be skipped is actually called."
# Total hack, but it works, just want an attribute that's always true.
@skipUnlessDBFeature("__class__")
def test_func():
raise ValueError
self.assertRaises(ValueError, test_func)
class AssertNumQueriesTests(TestCase):
urls = 'regressiontests.test_utils.urls'
def test_assert_num_queries(self):
def test_func():
raise ValueError
self.assertRaises(ValueError,
self.assertNumQueries, 2, test_func
)
def test_assert_num_queries_with_client(self):
person = Person.objects.create(name='test')
self.assertNumQueries(
1,
self.client.get,
"/test_utils/get_person/%s/" % person.pk
)
self.assertNumQueries(
1,
self.client.get,
"/test_utils/get_person/%s/" % person.pk
)
def test_func():
self.client.get("/test_utils/get_person/%s/" % person.pk)
self.client.get("/test_utils/get_person/%s/" % person.pk)
self.assertNumQueries(2, test_func)
class AssertNumQueriesContextManagerTests(TestCase):
urls = 'regressiontests.test_utils.urls'
def test_simple(self):
with self.assertNumQueries(0):
pass
with self.assertNumQueries(1):
Person.objects.count()
with self.assertNumQueries(2):
Person.objects.count()
Person.objects.count()
def test_failure(self):
with self.assertRaises(AssertionError) as exc_info:
with self.assertNumQueries(2):
Person.objects.count()
self.assertIn("1 queries executed, 2 expected", str(exc_info.exception))
with self.assertRaises(TypeError):
with self.assertNumQueries(4000):
raise TypeError
def test_with_client(self):
person = Person.objects.create(name="test")
with self.assertNumQueries(1):
self.client.get("/test_utils/get_person/%s/" % person.pk)
with self.assertNumQueries(1):
self.client.get("/test_utils/get_person/%s/" % person.pk)
with self.assertNumQueries(2):
self.client.get("/test_utils/get_person/%s/" % person.pk)
self.client.get("/test_utils/get_person/%s/" % person.pk)
class SaveRestoreWarningState(TestCase):
def test_save_restore_warnings_state(self):
"""
Ensure save_warnings_state/restore_warnings_state work correctly.
"""
# In reality this test could be satisfied by many broken implementations
# of save_warnings_state/restore_warnings_state (e.g. just
# warnings.resetwarnings()) , but it is difficult to test more.
import warnings
self.save_warnings_state()
class MyWarning(Warning):
pass
# Add a filter that causes an exception to be thrown, so we can catch it
warnings.simplefilter("error", MyWarning)
self.assertRaises(Warning, lambda: warnings.warn("warn", MyWarning))
# Now restore.
self.restore_warnings_state()
# After restoring, we shouldn't get an exception. But we don't want a
# warning printed either, so we have to silence the warning.
warnings.simplefilter("ignore", MyWarning)
warnings.warn("warn", MyWarning)
# Remove the filter we just added.
self.restore_warnings_state()
class SkippingExtraTests(TestCase):
fixtures = ['should_not_be_loaded.json']
# HACK: This depends on internals of our TestCase subclasses
def __call__(self, result=None):
# Detect fixture loading by counting SQL queries, should be zero
with self.assertNumQueries(0):
super(SkippingExtraTests, self).__call__(result)
@skip("Fixture loading should not be performed for skipped tests.")
def test_fixtures_are_skipped(self):
pass
class AssertRaisesMsgTest(SimpleTestCase):
def test_special_re_chars(self):
"""assertRaisesMessage shouldn't interpret RE special chars."""
def func1():
raise ValueError("[.*x+]y?")
self.assertRaisesMessage(ValueError, "[.*x+]y?", func1)
class AssertFieldOutputTests(SimpleTestCase):
def test_assert_field_output(self):
error_invalid = [u'Enter a valid e-mail address.']
self.assertFieldOutput(EmailField, {'a@a.com': 'a@a.com'}, {'aaa': error_invalid})
self.assertRaises(AssertionError, self.assertFieldOutput, EmailField, {'a@a.com': 'a@a.com'}, {'aaa': error_invalid + [u'Another error']})
self.assertRaises(AssertionError, self.assertFieldOutput, EmailField, {'a@a.com': 'Wrong output'}, {'aaa': error_invalid})
self.assertRaises(AssertionError, self.assertFieldOutput, EmailField, {'a@a.com': 'a@a.com'}, {'aaa': [u'Come on, gimme some well formatted data, dude.']})
__test__ = {"API_TEST": r"""
# Some checks of the doctest output normalizer.
# Standard doctests do fairly
>>> from django.utils import simplejson
>>> from django.utils.xmlutils import SimplerXMLGenerator
>>> from StringIO import StringIO
>>> def produce_long():
... return 42L
>>> def produce_int():
... return 42
>>> def produce_json():
... return simplejson.dumps(['foo', {'bar': ('baz', None, 1.0, 2), 'whiz': 42}])
>>> def produce_xml():
... stream = StringIO()
... xml = SimplerXMLGenerator(stream, encoding='utf-8')
... xml.startDocument()
... xml.startElement("foo", {"aaa" : "1.0", "bbb": "2.0"})
... xml.startElement("bar", {"ccc" : "3.0"})
... xml.characters("Hello")
... xml.endElement("bar")
... xml.startElement("whiz", {})
... xml.characters("Goodbye")
... xml.endElement("whiz")
... xml.endElement("foo")
... xml.endDocument()
... return stream.getvalue()
>>> def produce_xml_fragment():
... stream = StringIO()
... xml = SimplerXMLGenerator(stream, encoding='utf-8')
... xml.startElement("foo", {"aaa": "1.0", "bbb": "2.0"})
... xml.characters("Hello")
... xml.endElement("foo")
... xml.startElement("bar", {"ccc": "3.0", "ddd": "4.0"})
... xml.endElement("bar")
... return stream.getvalue()
# Long values are normalized and are comparable to normal integers ...
>>> produce_long()
42
# ... and vice versa
>>> produce_int()
42L
# JSON output is normalized for field order, so it doesn't matter
# which order json dictionary attributes are listed in output
>>> produce_json()
'["foo", {"bar": ["baz", null, 1.0, 2], "whiz": 42}]'
>>> produce_json()
'["foo", {"whiz": 42, "bar": ["baz", null, 1.0, 2]}]'
# XML output is normalized for attribute order, so it doesn't matter
# which order XML element attributes are listed in output
>>> produce_xml()
'<?xml version="1.0" encoding="UTF-8"?>\n<foo aaa="1.0" bbb="2.0"><bar ccc="3.0">Hello</bar><whiz>Goodbye</whiz></foo>'
>>> produce_xml()
'<?xml version="1.0" encoding="UTF-8"?>\n<foo bbb="2.0" aaa="1.0"><bar ccc="3.0">Hello</bar><whiz>Goodbye</whiz></foo>'
>>> produce_xml_fragment()
'<foo aaa="1.0" bbb="2.0">Hello</foo><bar ccc="3.0" ddd="4.0"></bar>'
>>> produce_xml_fragment()
'<foo bbb="2.0" aaa="1.0">Hello</foo><bar ddd="4.0" ccc="3.0"></bar>'
"""}
|
