mirror of
https://github.com/Hopiu/django-cachalot.git
synced 2026-05-10 13:44:44 +00:00
226 lines
8.7 KiB
Python
226 lines
8.7 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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from time import time, sleep
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from unittest import skipIf
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from django.conf import settings
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from django.contrib.auth.models import User
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from django.core.cache import DEFAULT_CACHE_ALIAS
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from django.core.management import call_command
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from django.db import connection, transaction, DEFAULT_DB_ALIAS
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from django.template import Template, Context
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from django.test import TransactionTestCase
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from ..api import *
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from .models import Test
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class APITestCase(TransactionTestCase):
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def setUp(self):
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self.t1 = Test.objects.create(name='test1')
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self.is_sqlite = connection.vendor == 'sqlite'
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def test_invalidate_tables(self):
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with self.assertNumQueries(1):
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data1 = list(Test.objects.values_list('name', flat=True))
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self.assertListEqual(data1, ['test1'])
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with self.settings(CACHALOT_INVALIDATE_RAW=False):
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with connection.cursor() as cursor:
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cursor.execute(
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"INSERT INTO cachalot_test (name, public) "
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"VALUES ('test2', %s);", [1 if self.is_sqlite else 'true'])
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with self.assertNumQueries(0):
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data2 = list(Test.objects.values_list('name', flat=True))
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self.assertListEqual(data2, ['test1'])
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invalidate('cachalot_test')
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with self.assertNumQueries(1):
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data3 = list(Test.objects.values_list('name', flat=True))
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self.assertListEqual(data3, ['test1', 'test2'])
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def test_invalidate_models(self):
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with self.assertNumQueries(1):
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data1 = list(Test.objects.values_list('name', flat=True))
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self.assertListEqual(data1, ['test1'])
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with self.settings(CACHALOT_INVALIDATE_RAW=False):
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with connection.cursor() as cursor:
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cursor.execute(
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"INSERT INTO cachalot_test (name, public) "
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"VALUES ('test2', %s);", [1 if self.is_sqlite else 'true'])
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with self.assertNumQueries(0):
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data2 = list(Test.objects.values_list('name', flat=True))
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self.assertListEqual(data2, ['test1'])
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invalidate(Test)
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with self.assertNumQueries(1):
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data3 = list(Test.objects.values_list('name', flat=True))
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self.assertListEqual(data3, ['test1', 'test2'])
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def test_invalidate_all(self):
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with self.assertNumQueries(1):
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Test.objects.get()
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with self.assertNumQueries(0):
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Test.objects.get()
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invalidate()
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with self.assertNumQueries(1):
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Test.objects.get()
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def test_invalidate_all_in_atomic(self):
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with transaction.atomic():
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with self.assertNumQueries(1):
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Test.objects.get()
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with self.assertNumQueries(0):
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Test.objects.get()
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invalidate()
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with self.assertNumQueries(1):
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Test.objects.get()
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with self.assertNumQueries(1):
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Test.objects.get()
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def test_get_last_invalidation(self):
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invalidate()
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timestamp = get_last_invalidation()
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self.assertAlmostEqual(timestamp, time(), delta=0.1)
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sleep(0.1)
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invalidate('cachalot_test')
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timestamp = get_last_invalidation('cachalot_test')
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self.assertAlmostEqual(timestamp, time(), delta=0.1)
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timestamp = get_last_invalidation('cachalot_testparent')
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self.assertNotAlmostEqual(timestamp, time(), delta=0.1)
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timestamp = get_last_invalidation('cachalot_testparent',
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'cachalot_test')
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self.assertAlmostEqual(timestamp, time(), delta=0.1)
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def test_get_last_invalidation_template_tag(self):
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original_timestamp = Template("{{ timestamp }}").render(Context({
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'timestamp': get_last_invalidation('auth.Group', 'cachalot_test')
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}))
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template = Template("""
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{% load cachalot %}
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{% get_last_invalidation 'auth.Group' 'cachalot_test' as timestamp %}
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{{ timestamp }}
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""")
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timestamp = template.render(Context()).strip()
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self.assertNotEqual(timestamp, '')
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self.assertNotEqual(timestamp, '0.0')
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self.assertAlmostEqual(float(timestamp), float(original_timestamp),
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delta=0.1)
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template = Template("""
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{% load cachalot cache %}
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{% get_last_invalidation 'auth.Group' 'cachalot_test' as timestamp %}
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{% cache 10 cache_key_name timestamp %}
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{{ content }}
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{% endcache %}
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""")
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content = template.render(Context({'content': 'something'})).strip()
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self.assertEqual(content, 'something')
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content = template.render(Context({'content': 'anything'})).strip()
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self.assertEqual(content, 'something')
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invalidate('cachalot_test')
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content = template.render(Context({'content': 'yet another'})).strip()
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self.assertEqual(content, 'yet another')
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class CommandTestCase(TransactionTestCase):
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multi_db = True
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def setUp(self):
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self.db_alias2 = next(alias for alias in settings.DATABASES
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if alias != DEFAULT_DB_ALIAS)
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self.cache_alias2 = next(alias for alias in settings.CACHES
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if alias != DEFAULT_CACHE_ALIAS)
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self.t1 = Test.objects.create(name='test1')
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self.t2 = Test.objects.using(self.db_alias2).create(name='test2')
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self.u = User.objects.create_user('test')
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def test_invalidate_cachalot(self):
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with self.assertNumQueries(1):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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call_command('invalidate_cachalot', verbosity=0)
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with self.assertNumQueries(1):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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call_command('invalidate_cachalot', 'auth', verbosity=0)
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with self.assertNumQueries(0):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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call_command('invalidate_cachalot', 'cachalot', verbosity=0)
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with self.assertNumQueries(1):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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call_command('invalidate_cachalot', 'cachalot.testchild', verbosity=0)
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with self.assertNumQueries(0):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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call_command('invalidate_cachalot', 'cachalot.test', verbosity=0)
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with self.assertNumQueries(1):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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with self.assertNumQueries(1):
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self.assertListEqual(list(User.objects.all()), [self.u])
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call_command('invalidate_cachalot', 'cachalot.test', 'auth.user',
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verbosity=0)
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with self.assertNumQueries(1):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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with self.assertNumQueries(1):
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self.assertListEqual(list(User.objects.all()), [self.u])
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@skipIf(len(settings.DATABASES) == 1,
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'We can’t change the DB used since there’s only one configured')
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def test_invalidate_cachalot_multi_db(self):
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with self.assertNumQueries(1):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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call_command('invalidate_cachalot', verbosity=0,
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db_alias=self.db_alias2)
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with self.assertNumQueries(0):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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with self.assertNumQueries(1, using=self.db_alias2):
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self.assertListEqual(list(Test.objects.using(self.db_alias2)),
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[self.t2])
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call_command('invalidate_cachalot', verbosity=0,
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db_alias=self.db_alias2)
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with self.assertNumQueries(1, using=self.db_alias2):
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self.assertListEqual(list(Test.objects.using(self.db_alias2)),
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[self.t2])
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@skipIf(len(settings.CACHES) == 1,
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'We can’t change the cache used since there’s only one configured')
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def test_invalidate_cachalot_multi_cache(self):
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with self.assertNumQueries(1):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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call_command('invalidate_cachalot', verbosity=0,
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cache_alias=self.cache_alias2)
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with self.assertNumQueries(0):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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with self.assertNumQueries(1):
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with self.settings(CACHALOT_CACHE=self.cache_alias2):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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call_command('invalidate_cachalot', verbosity=0,
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cache_alias=self.cache_alias2)
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with self.assertNumQueries(1):
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with self.settings(CACHALOT_CACHE=self.cache_alias2):
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self.assertListEqual(list(Test.objects.all()), [self.t1])
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