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import sys, time, os
from django.conf import settings
from django.core import mail
from django.core.mail.backends import locmem
from django.test import signals
from django.template import Template
from django.utils.translation import deactivate
class ContextList(list):
"""A wrapper that provides direct key access to context items contained
in a list of context objects.
"""
def __getitem__(self, key):
if isinstance(key, basestring):
for subcontext in self:
if key in subcontext:
return subcontext[key]
raise KeyError(key)
else:
return super(ContextList, self).__getitem__(key)
def __contains__(self, key):
try:
value = self[key]
except KeyError:
return False
return True
def instrumented_test_render(self, context):
"""
An instrumented Template render method, providing a signal
that can be intercepted by the test system Client
"""
signals.template_rendered.send(sender=self, template=self, context=context)
return self.nodelist.render(context)
def setup_test_environment():
"""Perform any global pre-test setup. This involves:
- Installing the instrumented test renderer
- Set the email backend to the locmem email backend.
- Setting the active locale to match the LANGUAGE_CODE setting.
"""
Template.original_render = Template._render
Template._render = instrumented_test_render
mail.original_SMTPConnection = mail.SMTPConnection
mail.SMTPConnection = locmem.EmailBackend
mail.original_email_backend = settings.EMAIL_BACKEND
settings.EMAIL_BACKEND = 'django.core.mail.backends.locmem.EmailBackend'
mail.outbox = []
deactivate()
def teardown_test_environment():
"""Perform any global post-test teardown. This involves:
- Restoring the original test renderer
- Restoring the email sending functions
"""
Template._render = Template.original_render
del Template.original_render
mail.SMTPConnection = mail.original_SMTPConnection
del mail.original_SMTPConnection
settings.EMAIL_BACKEND = mail.original_email_backend
del mail.original_email_backend
del mail.outbox
def get_runner(settings):
test_path = settings.TEST_RUNNER.split('.')
# Allow for Python 2.5 relative paths
if len(test_path) > 1:
test_module_name = '.'.join(test_path[:-1])
else:
test_module_name = '.'
test_module = __import__(test_module_name, {}, {}, test_path[-1])
test_runner = getattr(test_module, test_path[-1])
return test_runner
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