def __init__(self):
super(MonitoringCustomMetricsMiddleware, self).__init__()
# checks proper dependency order as well.
_check_middleware_dependencies(self, required_middleware=[
'edx_django_utils.cache.middleware.RequestCacheMiddleware',
'edx_django_utils.monitoring.middleware.MonitoringCustomMetricsMiddleware',
])
def __init__(self, *args, **kwargs):
super(MonitoringMemoryMiddleware, self).__init__(*args, **kwargs)
# checks proper dependency order as well.
_check_middleware_dependencies(self, required_middleware=[
'edx_django_utils.cache.middleware.RequestCacheMiddleware',
'edx_django_utils.monitoring.middleware.MonitoringMemoryMiddleware',
])
def test_check_middleware_dependencies_complex_success(self):
middleware = _TestMiddleware()
_check_middleware_dependencies(middleware,
required_middleware=[
'required.2.Middleware',
'required.4.Middleware',
])
def test_check_middleware_dependencies_bad_order(self):
middleware = _TestMiddleware()
with self.assertRaises(AssertionError):
_check_middleware_dependencies(middleware,
required_middleware=[
'required.1.Middleware',
'required.2.Middleware',
])
def __init__(self):
super(TieredCacheMiddleware, self).__init__()
# checks proper dependency order as well.
_check_middleware_dependencies(
self,
required_middleware=[
'edx_django_utils.cache.middleware.RequestCacheMiddleware',
# Some Authentication Middleware also needs to be in between,
# but don't want to hard-code that dependency.
'edx_django_utils.cache.middleware.TieredCacheMiddleware',
])
def __init__(self, *args, **kwargs):
super(CachedCustomMonitoringMiddleware, self).__init__(*args, **kwargs)
# checks proper dependency order as well.
_check_middleware_dependencies(self, required_middleware=self.REQUIRED_MIDDLEWARE)
def test_check_middleware_dependencies_missing_classes(self):
middleware = _TestMiddleware()
with self.assertRaises(AssertionError):
_check_middleware_dependencies(
middleware, required_middleware=['missing.Middleware'])
def test_check_middleware_dependencies_simple__classes_success(self):
middleware = _TestMiddleware()
_check_middleware_dependencies(
middleware, required_middleware=['required.Middleware'])
