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import os
import shutil
import time
from webtest import TestApp
from paste.registry import RegistryManager
from beaker.middleware import CacheMiddleware
import pylons
from pylons.decorators.cache import beaker_cache, create_cache_key
from pylons.controllers import WSGIController, XMLRPCController
from pylons.testutil import SetupCacheGlobal, ControllerWrap
from __init__ import data_dir, TestWSGIController
class CacheController(WSGIController):
@beaker_cache(key=None, invalidate_on_startup=True)
def test_default_cache_decorator_invalidate(self):
pylons.app_globals.counter += 1
return 'Counter=%s' % pylons.app_globals.counter
@beaker_cache(key=None)
def test_default_cache_decorator(self):
pylons.app_globals.counter += 1
return 'Counter=%s' % pylons.app_globals.counter
def test_default_cache_decorator_func(self):
def func():
pylons.app_globals.counter += 1
return 'Counter=%s' % pylons.app_globals.counter
func = beaker_cache(key=None)(func)
return func()
def test_response_cache_func(self, use_cache_status=True):
pylons.response.status_int = 404
def func():
pylons.app_globals.counter += 1
return 'Counter=%s' % pylons.app_globals.counter
if use_cache_status:
func = beaker_cache(key=None)(func)
else:
func = beaker_cache(key=None, cache_response=False)(func)
return func()
@beaker_cache(key=None, type='dbm')
def test_dbm_cache_decorator(self):
pylons.app_globals.counter += 1
return 'Counter=%s' % pylons.app_globals.counter
@beaker_cache(key="param", query_args=True)
def test_get_cache_decorator(self):
pylons.app_globals.counter += 1
return 'Counter=%s' % pylons.app_globals.counter
@beaker_cache(query_args=True)
def test_get_cache_default(self):
pylons.app_globals.counter += 1
return 'Counter=%s' % pylons.app_globals.counter
@beaker_cache(expire=1)
def test_expire_cache_decorator(self):
pylons.app_globals.counter += 1
return 'Counter=%s' % pylons.app_globals.counter
@beaker_cache(expire=1)
def test_expire_dbm_cache_decorator(self):
pylons.app_globals.counter += 1
return 'Counter=%s' % pylons.app_globals.counter
@beaker_cache(key="id")
def test_key_cache_decorator(self, id):
pylons.app_globals.counter += 1
return 'Counter=%s, id=%s' % (pylons.app_globals.counter, id)
@beaker_cache(key=["id", "id2"])
def test_keyslist_cache_decorator(self, id, id2="123"):
pylons.app_globals.counter += 1
return 'Counter=%s, id=%s' % (pylons.app_globals.counter, id)
def test_invalidate_cache(self):
ns, key = create_cache_key(CacheController.test_default_cache_decorator)
c = pylons.cache.get_cache(ns)
c.remove_value(key)
def test_invalidate_dbm_cache(self):
ns, key = create_cache_key(CacheController.test_dbm_cache_decorator)
c = pylons.cache.get_cache(ns, type='dbm')
c.remove_value(key)
@beaker_cache(cache_headers=('content-type','content-length', 'x-powered-by'))
def test_header_cache(self):
pylons.response.headers['Content-Type'] = 'application/special'
pylons.response.headers['x-powered-by'] = 'pylons'
pylons.response.headers['x-dont-include'] = 'should not be included'
return "Hello folks, time is %s" % time.time()
@beaker_cache(query_args=True)
def test_cache_key_dupe(self):
return "Hello folks, time is %s" % time.time()
cache_dir = os.path.join(data_dir, 'cache')
try:
shutil.rmtree(cache_dir)
except:
pass
environ = {}
app = ControllerWrap(CacheController)
app = sap = SetupCacheGlobal(app, environ, setup_cache=True)
app = CacheMiddleware(app, {}, data_dir=cache_dir)
app = RegistryManager(app)
app = TestApp(app)
# This one is missing cache middleware and the cache object to miss on purpsoe
bad_app = ControllerWrap(CacheController)
bad_app = SetupCacheGlobal(bad_app, environ, setup_cache=False)
bad_app = RegistryManager(bad_app)
bad_app = TestApp(bad_app)
class TestBadCacheDecorator(TestWSGIController):
def setUp(self):
self.app = bad_app
TestWSGIController.setUp(self)
environ.update(self.environ)
def test_no_cache(self):
self.assertRaises(Exception, lambda: self.get_response(action='test_default_cache_decorator'))
class TestCacheDecorator(TestWSGIController):
def setUp(self):
self.app = app
TestWSGIController.setUp(self)
environ.update(self.environ)
def test_default_cache_decorator(self):
sap.g.counter = 0
self.get_response(action='test_default_cache_decorator_invalidate')
response = self.get_response(action='test_default_cache_decorator_invalidate')
assert 'text/html' in response.headers['content-type']
assert 'Counter=1' in response
response = self.get_response(action='test_default_cache_decorator_invalidate')
assert 'Counter=1' in response
def test_default_cache_decorator(self):
sap.g.counter = 0
self.get_response(action='test_invalidate_cache')
response = self.get_response(action='test_default_cache_decorator')
assert 'text/html' in response.headers['content-type']
assert 'Counter=1' in response
response = self.get_response(action='test_default_cache_decorator')
assert 'Counter=1' in response
response = self.get_response(action='test_get_cache_decorator', _url='/?param=123')
assert 'Counter=2' in response
response = self.get_response(action='test_get_cache_decorator', _url="/?param=123")
assert 'Counter=2' in response
response = self.get_response(action='test_expire_cache_decorator')
assert 'Counter=3' in response
response = self.get_response(action='test_expire_cache_decorator')
assert 'Counter=3' in response
time.sleep(2)
response = self.get_response(action='test_expire_cache_decorator')
assert 'Counter=4' in response
response = self.get_response(action='test_key_cache_decorator', id=1)
assert 'Counter=5' in response
response = self.get_response(action='test_key_cache_decorator', id=2)
assert 'Counter=6' in response
response = self.get_response(action='test_key_cache_decorator', id=1)
assert 'Counter=5' in response
response = self.get_response(action='test_keyslist_cache_decorator', id=1, id2=2)
assert 'Counter=7' in response
response = self.get_response(action='test_keyslist_cache_decorator', id=1, id2=2)
assert 'Counter=7' in response
response = self.get_response(action='test_get_cache_default', _url='/?param=1243')
assert 'Counter=8' in response
response = self.get_response(action='test_get_cache_default', _url="/?param=1243")
assert 'Counter=8' in response
response = self.get_response(action='test_get_cache_default', _url="/?param=123")
assert 'Counter=9' in response
response = self.get_response(action='test_default_cache_decorator_func')
assert 'text/html' in response.headers['content-type']
assert 'Counter=10' in response
response = self.get_response(action='test_default_cache_decorator_func')
assert 'Counter=10' in response
response = self.get_response(action='test_response_cache_func', use_cache_status=True)
assert 'Counter=10' in response
response = self.get_response(action='test_response_cache_func', use_cache_status=False,
test_args=dict(status=404))
assert 'Counter=10' in response
def test_dbm_cache_decorator(self):
sap.g.counter = 0
self.get_response(action="test_invalidate_dbm_cache")
response = self.get_response(action="test_dbm_cache_decorator")
assert "Counter=1" in response
response = self.get_response(action="test_dbm_cache_decorator")
assert "Counter=1" in response
self.get_response(action="test_invalidate_dbm_cache")
response = self.get_response(action="test_dbm_cache_decorator")
assert "Counter=2" in response
sap.g.counter = 0
response = self.get_response(action="test_expire_dbm_cache_decorator")
assert "Counter=1" in response
response = self.get_response(action="test_expire_dbm_cache_decorator")
assert "Counter=1" in response
time.sleep(2)
response = self.get_response(action="test_expire_dbm_cache_decorator")
assert "Counter=2" in response
def test_cache_key(self):
key = create_cache_key(TestCacheDecorator.test_default_cache_decorator)
assert key == ('%s.TestCacheDecorator' % self.__module__, 'test_default_cache_decorator')
response = self.get_response(action='test_invalidate_cache')
response = self.get_response(action='test_default_cache_decorator')
assert 'Counter=1' in response
response = self.get_response(action='test_default_cache_decorator')
assert 'Counter=1' in response
response = self.get_response(action='test_invalidate_cache')
response = self.get_response(action='test_default_cache_decorator')
assert 'Counter=2' in response
def test_cache_key_dupe(self):
response = self.get_response(action='test_cache_key_dupe',
_url='/test_cache_key_dupe?id=1')
time.sleep(0.1)
response2 = self.get_response(action='test_cache_key_dupe',
_url='/test_cache_key_dupe?id=2&id=1')
assert str(response) != str(response2)
def test_header_cache(self):
response = self.get_response(action='test_header_cache')
assert response.headers['content-type'] == 'application/special'
assert response.headers['x-powered-by'] == 'pylons'
assert 'x-dont-include' not in response.headers
output = response.body
time.sleep(1)
response = self.get_response(action='test_header_cache')
assert response.body == output
assert response.headers['content-type'] == 'application/special'
assert response.headers['x-powered-by'] == 'pylons'
assert 'x-dont-include' not in response.headers
def test_nocache(self):
sap.g.counter = 0
pylons.config['cache_enabled'] = 'False'
response = self.get_response(action='test_default_cache_decorator')
assert 'Counter=1' in response
response = self.get_response(action='test_default_cache_decorator')
assert 'Counter=2' in response
pylons.config['cache_enabled'] = 'True'
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