app/django/test/utils.py
author Daniel Bentley <dbentley@google.com>
Wed, 01 Apr 2009 10:24:26 +0000
changeset 2048 236f37777764
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
A new model for seeding the database that makes it easier to seed many entities. new_seed_many is a function that seeds in a different way. Instead of using redirects, it figures out what the high-water mark of seeding is and proceeds from there. This is obviously a half-way step. I've talked about it with Sverre; I think I've mentioned it to others. If we like it, I volunteer to convert everything to this model (I think there will be savings and simplification when we're all the way). If we don't like it, I'll back out this code. But I'll also be sad, because this makes it a lot easier to add many entities (which I care about because I'm trying to fix list view for that many entities). Patch by: Dan Bentley

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