+
−import sys, time, os
+
−from django.conf import settings
+
−from django.db import connection
+
−from django.core import mail
+
−from django.test import signals
+
−from django.template import Template
+
−from django.utils.translation import deactivate
+
−
+
−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)
+
−
+
−class TestSMTPConnection(object):
+
−    """A substitute SMTP connection for use during test sessions.
+
−    The test connection stores email messages in a dummy outbox,
+
−    rather than sending them out on the wire.
+
−
+
−    """
+
−    def __init__(*args, **kwargs):
+
−        pass
+
−    def open(self):
+
−        "Mock the SMTPConnection open() interface"
+
−        pass
+
−    def close(self):
+
−        "Mock the SMTPConnection close() interface"
+
−        pass
+
−    def send_messages(self, messages):
+
−        "Redirect messages to the dummy outbox"
+
−        mail.outbox.extend(messages)
+
−        return len(messages)
+
−
+
−def setup_test_environment():
+
−    """Perform any global pre-test setup. This involves:
+
−
+
−        - Installing the instrumented test renderer
+
−        - Diverting the email sending functions to a test buffer
+
−        - 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 = TestSMTPConnection
+
−
+
−    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
+
−
+
−    del mail.outbox
+
−