Hey all!
I was writing tests for queries that use replica database, so I tried using
TEST_MIRROR
<https://docs.djangoproject.com/en/1.7/topics/testing/advanced/#testing-master-slave-configurations>
setting.
TEST_MIRROR promises "connection to slave will be redirected to point at
default.
As a result, writes to default will appear on slave". Which happens not to
be the case for me,
replica queries are not returning expected results.
Is this a bug, or am I missing something?
Here is my example settings:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql_psycopg2',
'NAME': 'testmirror',
'HOST': '127.0.0.1',
'PORT': 5432,
},
'slave': {
'ENGINE': 'django.db.backends.postgresql_psycopg2',
'NAME': 'testmirror2',
'HOST': '127.0.0.1',
'PORT': 5432,
'TEST': {
'MIRROR': 'default'
}
}
}
And test that show replica doesn't have same data:
def test_fixture(self):
MyModel.objects.create(name=1)
self.assertEqual(MyModel.objects.using('default').count(),
MyModel.objects.using('slave').count())
Example project in github: https://github.com/coagulant/test_mirror
My case can be repeated by simply running python manage.py test
I'm using
Django==1.7.1
psycopg2==2.5.4
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