author | Pawel Solyga <Pawel.Solyga@gmail.com> |
Tue, 04 Nov 2008 20:06:36 +0000 | |
changeset 442 | 92c17629af0e |
parent 323 | ff1a9aa48cfd |
permissions | -rw-r--r-- |
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import re |
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import unittest |
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from urlparse import urlsplit, urlunsplit |
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from xml.dom.minidom import parseString, Node |
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from django.conf import settings |
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from django.core import mail |
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from django.core.management import call_command |
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from django.core.urlresolvers import clear_url_caches |
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from django.db import transaction |
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from django.http import QueryDict |
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from django.test import _doctest as doctest |
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from django.test.client import Client |
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from django.utils import simplejson |
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normalize_long_ints = lambda s: re.sub(r'(?<![\w])(\d+)L(?![\w])', '\\1', s) |
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def to_list(value): |
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""" |
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Puts value into a list if it's not already one. |
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Returns an empty list if value is None. |
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""" |
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if value is None: |
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value = [] |
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elif not isinstance(value, list): |
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value = [value] |
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return value |
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class OutputChecker(doctest.OutputChecker): |
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def check_output(self, want, got, optionflags): |
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"The entry method for doctest output checking. Defers to a sequence of child checkers" |
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checks = (self.check_output_default, |
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self.check_output_long, |
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self.check_output_xml, |
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self.check_output_json) |
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for check in checks: |
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if check(want, got, optionflags): |
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return True |
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return False |
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def check_output_default(self, want, got, optionflags): |
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"The default comparator provided by doctest - not perfect, but good for most purposes" |
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return doctest.OutputChecker.check_output(self, want, got, optionflags) |
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def check_output_long(self, want, got, optionflags): |
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"""Doctest does an exact string comparison of output, which means long |
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integers aren't equal to normal integers ("22L" vs. "22"). The |
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following code normalizes long integers so that they equal normal |
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integers. |
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""" |
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return normalize_long_ints(want) == normalize_long_ints(got) |
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def check_output_xml(self, want, got, optionsflags): |
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"""Tries to do a 'xml-comparision' of want and got. Plain string |
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comparision doesn't always work because, for example, attribute |
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ordering should not be important. |
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Based on http://codespeak.net/svn/lxml/trunk/src/lxml/doctestcompare.py |
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""" |
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_norm_whitespace_re = re.compile(r'[ \t\n][ \t\n]+') |
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def norm_whitespace(v): |
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return _norm_whitespace_re.sub(' ', v) |
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def child_text(element): |
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return ''.join([c.data for c in element.childNodes |
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if c.nodeType == Node.TEXT_NODE]) |
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def children(element): |
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return [c for c in element.childNodes |
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if c.nodeType == Node.ELEMENT_NODE] |
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def norm_child_text(element): |
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return norm_whitespace(child_text(element)) |
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def attrs_dict(element): |
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return dict(element.attributes.items()) |
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def check_element(want_element, got_element): |
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if want_element.tagName != got_element.tagName: |
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return False |
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if norm_child_text(want_element) != norm_child_text(got_element): |
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return False |
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if attrs_dict(want_element) != attrs_dict(got_element): |
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return False |
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want_children = children(want_element) |
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got_children = children(got_element) |
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if len(want_children) != len(got_children): |
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return False |
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for want, got in zip(want_children, got_children): |
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if not check_element(want, got): |
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return False |
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return True |
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want, got = self._strip_quotes(want, got) |
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want = want.replace('\\n','\n') |
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got = got.replace('\\n','\n') |
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# If the string is not a complete xml document, we may need to add a |
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# root element. This allow us to compare fragments, like "<foo/><bar/>" |
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if not want.startswith('<?xml'): |
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wrapper = '<root>%s</root>' |
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want = wrapper % want |
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got = wrapper % got |
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106 |
# Parse the want and got strings, and compare the parsings. |
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|
107 |
try: |
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changeset
|
108 |
want_root = parseString(want).firstChild |
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|
109 |
got_root = parseString(got).firstChild |
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|
110 |
except: |
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|
111 |
return False |
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|
112 |
return check_element(want_root, got_root) |
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|
113 |
|
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|
114 |
def check_output_json(self, want, got, optionsflags): |
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|
115 |
"Tries to compare want and got as if they were JSON-encoded data" |
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|
116 |
want, got = self._strip_quotes(want, got) |
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|
117 |
try: |
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|
118 |
want_json = simplejson.loads(want) |
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|
119 |
got_json = simplejson.loads(got) |
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|
120 |
except: |
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|
121 |
return False |
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|
122 |
return want_json == got_json |
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|
123 |
|
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|
124 |
def _strip_quotes(self, want, got): |
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125 |
""" |
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|
126 |
Strip quotes of doctests output values: |
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|
127 |
|
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|
128 |
>>> o = OutputChecker() |
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|
129 |
>>> o._strip_quotes("'foo'") |
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130 |
"foo" |
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131 |
>>> o._strip_quotes('"foo"') |
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132 |
"foo" |
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133 |
>>> o._strip_quotes("u'foo'") |
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134 |
"foo" |
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135 |
>>> o._strip_quotes('u"foo"') |
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136 |
"foo" |
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|
137 |
""" |
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|
138 |
def is_quoted_string(s): |
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|
139 |
s = s.strip() |
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|
140 |
return (len(s) >= 2 |
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|
141 |
and s[0] == s[-1] |
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|
142 |
and s[0] in ('"', "'")) |
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|
143 |
|
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|
144 |
def is_quoted_unicode(s): |
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|
145 |
s = s.strip() |
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|
146 |
return (len(s) >= 3 |
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|
147 |
and s[0] == 'u' |
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|
148 |
and s[1] == s[-1] |
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|
149 |
and s[1] in ('"', "'")) |
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|
150 |
|
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|
151 |
if is_quoted_string(want) and is_quoted_string(got): |
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|
152 |
want = want.strip()[1:-1] |
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|
153 |
got = got.strip()[1:-1] |
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|
154 |
elif is_quoted_unicode(want) and is_quoted_unicode(got): |
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|
155 |
want = want.strip()[2:-1] |
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|
156 |
got = got.strip()[2:-1] |
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|
157 |
return want, got |
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changeset
|
158 |
|
54
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|
159 |
|
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|
160 |
class DocTestRunner(doctest.DocTestRunner): |
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|
161 |
def __init__(self, *args, **kwargs): |
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|
162 |
doctest.DocTestRunner.__init__(self, *args, **kwargs) |
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|
163 |
self.optionflags = doctest.ELLIPSIS |
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|
164 |
|
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parents:
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|
165 |
def report_unexpected_exception(self, out, test, example, exc_info): |
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|
166 |
doctest.DocTestRunner.report_unexpected_exception(self, out, test, |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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|
167 |
example, exc_info) |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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|
168 |
# Rollback, in case of database errors. Otherwise they'd have |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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|
169 |
# side effects on other tests. |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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|
170 |
transaction.rollback_unless_managed() |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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changeset
|
171 |
|
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|
172 |
class TestCase(unittest.TestCase): |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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|
173 |
def _pre_setup(self): |
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|
174 |
"""Performs any pre-test setup. This includes: |
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|
175 |
|
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|
176 |
* Flushing the database. |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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|
177 |
* If the Test Case class has a 'fixtures' member, installing the |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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|
178 |
named fixtures. |
323
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changeset
|
179 |
* If the Test Case class has a 'urls' member, replace the |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
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|
180 |
ROOT_URLCONF with it. |
54
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Major reorganization of the soc svn repo, to merge into a single App Engine
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|
181 |
* Clearing the mail test outbox. |
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parents:
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|
182 |
""" |
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parents:
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changeset
|
183 |
call_command('flush', verbosity=0, interactive=False) |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
diff
changeset
|
184 |
if hasattr(self, 'fixtures'): |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
diff
changeset
|
185 |
# We have to use this slightly awkward syntax due to the fact |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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changeset
|
186 |
# that we're using *args and **kwargs together. |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
diff
changeset
|
187 |
call_command('loaddata', *self.fixtures, **{'verbosity': 0}) |
323
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Load ../vendor/django into trunk/app/django.
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changeset
|
188 |
if hasattr(self, 'urls'): |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
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changeset
|
189 |
self._old_root_urlconf = settings.ROOT_URLCONF |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
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|
190 |
settings.ROOT_URLCONF = self.urls |
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Load ../vendor/django into trunk/app/django.
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|
191 |
clear_url_caches() |
54
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Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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changeset
|
192 |
mail.outbox = [] |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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changeset
|
193 |
|
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Major reorganization of the soc svn repo, to merge into a single App Engine
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|
194 |
def __call__(self, result=None): |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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|
195 |
""" |
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changeset
|
196 |
Wrapper around default __call__ method to perform common Django test |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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|
197 |
set up. This means that user-defined Test Cases aren't required to |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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|
198 |
include a call to super().setUp(). |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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|
199 |
""" |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
diff
changeset
|
200 |
self.client = Client() |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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changeset
|
201 |
try: |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
diff
changeset
|
202 |
self._pre_setup() |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
diff
changeset
|
203 |
except (KeyboardInterrupt, SystemExit): |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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changeset
|
204 |
raise |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
diff
changeset
|
205 |
except Exception: |
03e267d67478
Major reorganization of the soc svn repo, to merge into a single App Engine
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|
206 |
import sys |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
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|
207 |
result.addError(self, sys.exc_info()) |
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|
208 |
return |
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Major reorganization of the soc svn repo, to merge into a single App Engine
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parents:
diff
changeset
|
209 |
super(TestCase, self).__call__(result) |
323
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Load ../vendor/django into trunk/app/django.
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diff
changeset
|
210 |
try: |
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Load ../vendor/django into trunk/app/django.
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diff
changeset
|
211 |
self._post_teardown() |
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Load ../vendor/django into trunk/app/django.
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diff
changeset
|
212 |
except (KeyboardInterrupt, SystemExit): |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
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changeset
|
213 |
raise |
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Load ../vendor/django into trunk/app/django.
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changeset
|
214 |
except Exception: |
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Load ../vendor/django into trunk/app/django.
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parents:
54
diff
changeset
|
215 |
import sys |
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Load ../vendor/django into trunk/app/django.
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parents:
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diff
changeset
|
216 |
result.addError(self, sys.exc_info()) |
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return |
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def _post_teardown(self): |
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""" Performs any post-test things. This includes: |
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* Putting back the original ROOT_URLCONF if it was changed. |
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""" |
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if hasattr(self, '_old_root_urlconf'): |
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settings.ROOT_URLCONF = self._old_root_urlconf |
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clear_url_caches() |
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227 |
|
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def assertRedirects(self, response, expected_url, status_code=302, |
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target_status_code=200, host=None): |
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"""Asserts that a response redirected to a specific URL, and that the |
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redirect URL can be loaded. |
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232 |
|
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Note that assertRedirects won't work for external links since it uses |
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TestClient to do a request. |
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""" |
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self.assertEqual(response.status_code, status_code, |
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("Response didn't redirect as expected: Response code was %d" |
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" (expected %d)" % (response.status_code, status_code))) |
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url = response['Location'] |
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scheme, netloc, path, query, fragment = urlsplit(url) |
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e_scheme, e_netloc, e_path, e_query, e_fragment = urlsplit(expected_url) |
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if not (e_scheme or e_netloc): |
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expected_url = urlunsplit(('http', host or 'testserver', e_path, |
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e_query, e_fragment)) |
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self.assertEqual(url, expected_url, |
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"Response redirected to '%s', expected '%s'" % (url, expected_url)) |
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247 |
|
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# Get the redirection page, using the same client that was used |
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# to obtain the original response. |
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redirect_response = response.client.get(path, QueryDict(query)) |
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self.assertEqual(redirect_response.status_code, target_status_code, |
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("Couldn't retrieve redirection page '%s': response code was %d" |
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" (expected %d)") % |
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(path, redirect_response.status_code, target_status_code)) |
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255 |
|
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def assertContains(self, response, text, count=None, status_code=200): |
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""" |
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Asserts that a response indicates that a page was retrieved |
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successfully, (i.e., the HTTP status code was as expected), and that |
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``text`` occurs ``count`` times in the content of the response. |
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If ``count`` is None, the count doesn't matter - the assertion is true |
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if the text occurs at least once in the response. |
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""" |
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self.assertEqual(response.status_code, status_code, |
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"Couldn't retrieve page: Response code was %d (expected %d)'" % |
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(response.status_code, status_code)) |
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real_count = response.content.count(text) |
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if count is not None: |
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self.assertEqual(real_count, count, |
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"Found %d instances of '%s' in response (expected %d)" % |
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(real_count, text, count)) |
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272 |
else: |
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self.failUnless(real_count != 0, |
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"Couldn't find '%s' in response" % text) |
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275 |
|
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276 |
def assertNotContains(self, response, text, status_code=200): |
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""" |
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Asserts that a response indicates that a page was retrieved |
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successfully, (i.e., the HTTP status code was as expected), and that |
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``text`` doesn't occurs in the content of the response. |
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281 |
""" |
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282 |
self.assertEqual(response.status_code, status_code, |
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"Couldn't retrieve page: Response code was %d (expected %d)'" % |
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(response.status_code, status_code)) |
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self.assertEqual(response.content.count(text), 0, |
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"Response should not contain '%s'" % text) |
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287 |
|
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def assertFormError(self, response, form, field, errors): |
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""" |
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Asserts that a form used to render the response has a specific field |
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error. |
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292 |
""" |
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# Put context(s) into a list to simplify processing. |
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contexts = to_list(response.context) |
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if not contexts: |
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self.fail('Response did not use any contexts to render the' |
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' response') |
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298 |
|
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# Put error(s) into a list to simplify processing. |
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errors = to_list(errors) |
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301 |
|
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# Search all contexts for the error. |
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found_form = False |
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for i,context in enumerate(contexts): |
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if form not in context: |
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continue |
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found_form = True |
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for err in errors: |
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if field: |
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if field in context[form].errors: |
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field_errors = context[form].errors[field] |
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self.failUnless(err in field_errors, |
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"The field '%s' on form '%s' in" |
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" context %d does not contain the" |
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" error '%s' (actual errors: %s)" % |
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(field, form, i, err, |
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repr(field_errors))) |
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elif field in context[form].fields: |
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self.fail("The field '%s' on form '%s' in context %d" |
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" contains no errors" % (field, form, i)) |
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321 |
else: |
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self.fail("The form '%s' in context %d does not" |
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" contain the field '%s'" % |
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(form, i, field)) |
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325 |
else: |
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326 |
non_field_errors = context[form].non_field_errors() |
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self.failUnless(err in non_field_errors, |
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"The form '%s' in context %d does not contain the" |
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" non-field error '%s' (actual errors: %s)" % |
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(form, i, err, non_field_errors)) |
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if not found_form: |
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self.fail("The form '%s' was not used to render the response" % |
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333 |
form) |
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334 |
|
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def assertTemplateUsed(self, response, template_name): |
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""" |
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Asserts that the template with the provided name was used in rendering |
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the response. |
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""" |
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template_names = [t.name for t in to_list(response.template)] |
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if not template_names: |
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self.fail('No templates used to render the response') |
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self.failUnless(template_name in template_names, |
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(u"Template '%s' was not a template used to render the response." |
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u" Actual template(s) used: %s") % (template_name, |
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u', '.join(template_names))) |
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347 |
|
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def assertTemplateNotUsed(self, response, template_name): |
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""" |
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Asserts that the template with the provided name was NOT used in |
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rendering the response. |
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""" |
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template_names = [t.name for t in to_list(response.template)] |
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self.failIf(template_name in template_names, |
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(u"Template '%s' was used unexpectedly in rendering the" |
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u" response") % template_name) |