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import sys
import time
import 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 Approximate(object):
def __init__(self, val, places=7):
self.val = val
self.places = places
def __repr__(self):
return repr(self.val)
def __eq__(self, other):
if self.val == other:
return True
return round(abs(self.val-other), self.places) == 0
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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