debian-django-cachalot/cachalot/tests/api.py

349 lines
14 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# coding: utf-8
from __future__ import unicode_literals
from time import time, sleep
from unittest import skipIf
from django.conf import settings
from django.contrib.auth.models import User
from django.core.cache import DEFAULT_CACHE_ALIAS, caches
from django.core.management import call_command
from django.db import connection, transaction, DEFAULT_DB_ALIAS
from django.template import engines
from django.test import TransactionTestCase
from jinja2.exceptions import TemplateSyntaxError
from ..api import *
from .models import Test
from .test_utils import TestUtilsMixin
class APITestCase(TestUtilsMixin, TransactionTestCase):
def setUp(self):
super(APITestCase, self).setUp()
self.t1 = Test.objects.create(name='test1')
self.cache_alias2 = next(alias for alias in settings.CACHES
if alias != DEFAULT_CACHE_ALIAS)
def test_invalidate_tables(self):
with self.assertNumQueries(1):
data1 = list(Test.objects.values_list('name', flat=True))
self.assertListEqual(data1, ['test1'])
with self.settings(CACHALOT_INVALIDATE_RAW=False):
with connection.cursor() as cursor:
cursor.execute(
"INSERT INTO cachalot_test (name, public) "
"VALUES ('test2', %s);", [1 if self.is_sqlite else True])
with self.assertNumQueries(0):
data2 = list(Test.objects.values_list('name', flat=True))
self.assertListEqual(data2, ['test1'])
invalidate('cachalot_test')
with self.assertNumQueries(1):
data3 = list(Test.objects.values_list('name', flat=True))
self.assertListEqual(data3, ['test1', 'test2'])
def test_invalidate_models_lookups(self):
with self.assertNumQueries(1):
data1 = list(Test.objects.values_list('name', flat=True))
self.assertListEqual(data1, ['test1'])
with self.settings(CACHALOT_INVALIDATE_RAW=False):
with connection.cursor() as cursor:
cursor.execute(
"INSERT INTO cachalot_test (name, public) "
"VALUES ('test2', %s);", [1 if self.is_sqlite else True])
with self.assertNumQueries(0):
data2 = list(Test.objects.values_list('name', flat=True))
self.assertListEqual(data2, ['test1'])
invalidate('cachalot.Test')
with self.assertNumQueries(1):
data3 = list(Test.objects.values_list('name', flat=True))
self.assertListEqual(data3, ['test1', 'test2'])
def test_invalidate_models(self):
with self.assertNumQueries(1):
data1 = list(Test.objects.values_list('name', flat=True))
self.assertListEqual(data1, ['test1'])
with self.settings(CACHALOT_INVALIDATE_RAW=False):
with connection.cursor() as cursor:
cursor.execute(
"INSERT INTO cachalot_test (name, public) "
"VALUES ('test2', %s);", [1 if self.is_sqlite else True])
with self.assertNumQueries(0):
data2 = list(Test.objects.values_list('name', flat=True))
self.assertListEqual(data2, ['test1'])
invalidate(Test)
with self.assertNumQueries(1):
data3 = list(Test.objects.values_list('name', flat=True))
self.assertListEqual(data3, ['test1', 'test2'])
def test_invalidate_all(self):
with self.assertNumQueries(1):
Test.objects.get()
with self.assertNumQueries(0):
Test.objects.get()
invalidate()
with self.assertNumQueries(1):
Test.objects.get()
def test_invalidate_all_in_atomic(self):
with transaction.atomic():
with self.assertNumQueries(1):
Test.objects.get()
with self.assertNumQueries(0):
Test.objects.get()
invalidate()
with self.assertNumQueries(1):
Test.objects.get()
with self.assertNumQueries(1):
Test.objects.get()
def test_get_last_invalidation(self):
invalidate()
timestamp = get_last_invalidation()
self.assertAlmostEqual(timestamp, time(), delta=0.1)
sleep(0.1)
invalidate('cachalot_test')
timestamp = get_last_invalidation('cachalot_test')
self.assertAlmostEqual(timestamp, time(), delta=0.1)
same_timestamp = get_last_invalidation('cachalot.Test')
self.assertEqual(same_timestamp, timestamp)
same_timestamp = get_last_invalidation(Test)
self.assertEqual(same_timestamp, timestamp)
timestamp = get_last_invalidation('cachalot_testparent')
self.assertNotAlmostEqual(timestamp, time(), delta=0.1)
timestamp = get_last_invalidation('cachalot_testparent',
'cachalot_test')
self.assertAlmostEqual(timestamp, time(), delta=0.1)
def test_get_last_invalidation_template_tag(self):
# Without arguments
original_timestamp = engines['django'].from_string(
"{{ timestamp }}"
).render({
'timestamp': get_last_invalidation(),
})
template = engines['django'].from_string("""
{% load cachalot %}
{% get_last_invalidation as timestamp %}
{{ timestamp }}
""")
timestamp = template.render().strip()
self.assertNotEqual(timestamp, '')
self.assertNotEqual(timestamp, '0.0')
self.assertAlmostEqual(float(timestamp), float(original_timestamp),
delta=0.1)
# With arguments
original_timestamp = engines['django'].from_string(
"{{ timestamp }}"
).render({
'timestamp': get_last_invalidation('auth.Group', 'cachalot_test'),
})
template = engines['django'].from_string("""
{% load cachalot %}
{% get_last_invalidation 'auth.Group' 'cachalot_test' as timestamp %}
{{ timestamp }}
""")
timestamp = template.render().strip()
self.assertNotEqual(timestamp, '')
self.assertNotEqual(timestamp, '0.0')
self.assertAlmostEqual(float(timestamp), float(original_timestamp),
delta=0.1)
# While using the `cache` template tag, with invalidation
template = engines['django'].from_string("""
{% load cachalot cache %}
{% get_last_invalidation 'auth.Group' 'cachalot_test' as timestamp %}
{% cache 10 cache_key_name timestamp %}
{{ content }}
{% endcache %}
""")
content = template.render({'content': 'something'}).strip()
self.assertEqual(content, 'something')
content = template.render({'content': 'anything'}).strip()
self.assertEqual(content, 'something')
invalidate('cachalot_test')
content = template.render({'content': 'yet another'}).strip()
self.assertEqual(content, 'yet another')
def test_get_last_invalidation_jinja2(self):
original_timestamp = engines['jinja2'].from_string(
"{{ timestamp }}"
).render({
'timestamp': get_last_invalidation('auth.Group', 'cachalot_test'),
})
template = engines['jinja2'].from_string(
"{{ get_last_invalidation('auth.Group', 'cachalot_test') }}")
timestamp = template.render({})
self.assertNotEqual(timestamp, '')
self.assertNotEqual(timestamp, '0.0')
self.assertAlmostEqual(float(timestamp), float(original_timestamp),
delta=0.1)
def test_cache_jinja2(self):
# Invalid arguments
with self.assertRaises(TemplateSyntaxError,
msg="'invalid' is not a valid keyword argument "
"for {% cache %}"):
engines['jinja2'].from_string("""
{% cache cache_key='anything', invalid='what?' %}{% endcache %}
""")
with self.assertRaises(ValueError, msg='You must set `cache_key` when '
'the template is not a file.'):
engines['jinja2'].from_string(
'{% cache %} broken {% endcache %}').render()
# With the minimum number of arguments
template = engines['jinja2'].from_string("""
{%- cache cache_key='first' -%}
{{ content1 }}
{%- endcache -%}
{%- cache cache_key='second' -%}
{{ content2 }}
{%- endcache -%}
""")
content = template.render({'content1': 'abc', 'content2': 'def'})
self.assertEqual(content, 'abcdef')
invalidate()
content = template.render({'content1': 'ghi', 'content2': 'jkl'})
self.assertEqual(content, 'abcdef')
# With the maximum number of arguments
template = engines['jinja2'].from_string("""
{%- cache get_last_invalidation('auth.Group', 'cachalot_test',
cache_alias=cache),
timeout=10, cache_key='cache_key_name', cache_alias=cache -%}
{{ content }}
{%- endcache -%}
""")
content = template.render({'content': 'something',
'cache': self.cache_alias2})
self.assertEqual(content, 'something')
content = template.render({'content': 'anything',
'cache': self.cache_alias2})
self.assertEqual(content, 'something')
invalidate('cachalot_test', cache_alias=DEFAULT_CACHE_ALIAS)
content = template.render({'content': 'yet another',
'cache': self.cache_alias2})
self.assertEqual(content, 'something')
invalidate('cachalot_test')
content = template.render({'content': 'will you change?',
'cache': self.cache_alias2})
self.assertEqual(content, 'will you change?')
caches[self.cache_alias2].clear()
content = template.render({'content': 'better!',
'cache': self.cache_alias2})
self.assertEqual(content, 'better!')
class CommandTestCase(TransactionTestCase):
multi_db = True
def setUp(self):
self.db_alias2 = next(alias for alias in settings.DATABASES
if alias != DEFAULT_DB_ALIAS)
self.cache_alias2 = next(alias for alias in settings.CACHES
if alias != DEFAULT_CACHE_ALIAS)
self.t1 = Test.objects.create(name='test1')
self.t2 = Test.objects.using(self.db_alias2).create(name='test2')
self.u = User.objects.create_user('test')
def test_invalidate_cachalot(self):
with self.assertNumQueries(1):
self.assertListEqual(list(Test.objects.all()), [self.t1])
call_command('invalidate_cachalot', verbosity=0)
with self.assertNumQueries(1):
self.assertListEqual(list(Test.objects.all()), [self.t1])
call_command('invalidate_cachalot', 'auth', verbosity=0)
with self.assertNumQueries(0):
self.assertListEqual(list(Test.objects.all()), [self.t1])
call_command('invalidate_cachalot', 'cachalot', verbosity=0)
with self.assertNumQueries(1):
self.assertListEqual(list(Test.objects.all()), [self.t1])
call_command('invalidate_cachalot', 'cachalot.testchild', verbosity=0)
with self.assertNumQueries(0):
self.assertListEqual(list(Test.objects.all()), [self.t1])
call_command('invalidate_cachalot', 'cachalot.test', verbosity=0)
with self.assertNumQueries(1):
self.assertListEqual(list(Test.objects.all()), [self.t1])
with self.assertNumQueries(1):
self.assertListEqual(list(User.objects.all()), [self.u])
call_command('invalidate_cachalot', 'cachalot.test', 'auth.user',
verbosity=0)
with self.assertNumQueries(1):
self.assertListEqual(list(Test.objects.all()), [self.t1])
with self.assertNumQueries(1):
self.assertListEqual(list(User.objects.all()), [self.u])
@skipIf(len(settings.DATABASES) == 1,
'We cant change the DB used since theres only one configured')
def test_invalidate_cachalot_multi_db(self):
with self.assertNumQueries(1):
self.assertListEqual(list(Test.objects.all()), [self.t1])
call_command('invalidate_cachalot', verbosity=0,
db_alias=self.db_alias2)
with self.assertNumQueries(0):
self.assertListEqual(list(Test.objects.all()), [self.t1])
with self.assertNumQueries(1, using=self.db_alias2):
self.assertListEqual(list(Test.objects.using(self.db_alias2)),
[self.t2])
call_command('invalidate_cachalot', verbosity=0,
db_alias=self.db_alias2)
with self.assertNumQueries(1, using=self.db_alias2):
self.assertListEqual(list(Test.objects.using(self.db_alias2)),
[self.t2])
@skipIf(len(settings.CACHES) == 1,
'We cant change the cache used since theres only one configured')
def test_invalidate_cachalot_multi_cache(self):
with self.assertNumQueries(1):
self.assertListEqual(list(Test.objects.all()), [self.t1])
call_command('invalidate_cachalot', verbosity=0,
cache_alias=self.cache_alias2)
with self.assertNumQueries(0):
self.assertListEqual(list(Test.objects.all()), [self.t1])
with self.assertNumQueries(1):
with self.settings(CACHALOT_CACHE=self.cache_alias2):
self.assertListEqual(list(Test.objects.all()), [self.t1])
call_command('invalidate_cachalot', verbosity=0,
cache_alias=self.cache_alias2)
with self.assertNumQueries(1):
with self.settings(CACHALOT_CACHE=self.cache_alias2):
self.assertListEqual(list(Test.objects.all()), [self.t1])