149 lines
4.7 KiB
Python
149 lines
4.7 KiB
Python
from django.http import HttpResponse
|
|
from django.template import engines
|
|
from django.template.response import TemplateResponse
|
|
from django.test import RequestFactory, SimpleTestCase
|
|
from django.utils.decorators import classproperty, decorator_from_middleware
|
|
|
|
|
|
class ProcessViewMiddleware:
|
|
def process_view(self, request, view_func, view_args, view_kwargs):
|
|
pass
|
|
|
|
|
|
process_view_dec = decorator_from_middleware(ProcessViewMiddleware)
|
|
|
|
|
|
@process_view_dec
|
|
def process_view(request):
|
|
return HttpResponse()
|
|
|
|
|
|
class ClassProcessView:
|
|
def __call__(self, request):
|
|
return HttpResponse()
|
|
|
|
|
|
class_process_view = process_view_dec(ClassProcessView())
|
|
|
|
|
|
class FullMiddleware:
|
|
def process_request(self, request):
|
|
request.process_request_reached = True
|
|
|
|
def process_view(self, request, view_func, view_args, view_kwargs):
|
|
request.process_view_reached = True
|
|
|
|
def process_template_response(self, request, response):
|
|
request.process_template_response_reached = True
|
|
return response
|
|
|
|
def process_response(self, request, response):
|
|
# This should never receive unrendered content.
|
|
request.process_response_content = response.content
|
|
request.process_response_reached = True
|
|
return response
|
|
|
|
|
|
full_dec = decorator_from_middleware(FullMiddleware)
|
|
|
|
|
|
class DecoratorFromMiddlewareTests(SimpleTestCase):
|
|
"""
|
|
Tests for view decorators created using
|
|
``django.utils.decorators.decorator_from_middleware``.
|
|
"""
|
|
rf = RequestFactory()
|
|
|
|
def test_process_view_middleware(self):
|
|
"""
|
|
Test a middleware that implements process_view.
|
|
"""
|
|
process_view(self.rf.get('/'))
|
|
|
|
def test_callable_process_view_middleware(self):
|
|
"""
|
|
Test a middleware that implements process_view, operating on a callable class.
|
|
"""
|
|
class_process_view(self.rf.get('/'))
|
|
|
|
def test_full_dec_normal(self):
|
|
"""
|
|
All methods of middleware are called for normal HttpResponses
|
|
"""
|
|
@full_dec
|
|
def normal_view(request):
|
|
template = engines['django'].from_string("Hello world")
|
|
return HttpResponse(template.render())
|
|
|
|
request = self.rf.get('/')
|
|
normal_view(request)
|
|
self.assertTrue(getattr(request, 'process_request_reached', False))
|
|
self.assertTrue(getattr(request, 'process_view_reached', False))
|
|
# process_template_response must not be called for HttpResponse
|
|
self.assertFalse(getattr(request, 'process_template_response_reached', False))
|
|
self.assertTrue(getattr(request, 'process_response_reached', False))
|
|
|
|
def test_full_dec_templateresponse(self):
|
|
"""
|
|
All methods of middleware are called for TemplateResponses in
|
|
the right sequence.
|
|
"""
|
|
@full_dec
|
|
def template_response_view(request):
|
|
template = engines['django'].from_string("Hello world")
|
|
return TemplateResponse(request, template)
|
|
|
|
request = self.rf.get('/')
|
|
response = template_response_view(request)
|
|
self.assertTrue(getattr(request, 'process_request_reached', False))
|
|
self.assertTrue(getattr(request, 'process_view_reached', False))
|
|
self.assertTrue(getattr(request, 'process_template_response_reached', False))
|
|
# response must not be rendered yet.
|
|
self.assertFalse(response._is_rendered)
|
|
# process_response must not be called until after response is rendered,
|
|
# otherwise some decorators like csrf_protect and gzip_page will not
|
|
# work correctly. See #16004
|
|
self.assertFalse(getattr(request, 'process_response_reached', False))
|
|
response.render()
|
|
self.assertTrue(getattr(request, 'process_response_reached', False))
|
|
# process_response saw the rendered content
|
|
self.assertEqual(request.process_response_content, b"Hello world")
|
|
|
|
|
|
class ClassPropertyTest(SimpleTestCase):
|
|
def test_getter(self):
|
|
class Foo:
|
|
foo_attr = 123
|
|
|
|
def __init__(self):
|
|
self.foo_attr = 456
|
|
|
|
@classproperty
|
|
def foo(cls):
|
|
return cls.foo_attr
|
|
|
|
class Bar:
|
|
bar = classproperty()
|
|
|
|
@bar.getter
|
|
def bar(cls):
|
|
return 123
|
|
|
|
self.assertEqual(Foo.foo, 123)
|
|
self.assertEqual(Foo().foo, 123)
|
|
self.assertEqual(Bar.bar, 123)
|
|
self.assertEqual(Bar().bar, 123)
|
|
|
|
def test_override_getter(self):
|
|
class Foo:
|
|
@classproperty
|
|
def foo(cls):
|
|
return 123
|
|
|
|
@foo.getter
|
|
def foo(cls):
|
|
return 456
|
|
|
|
self.assertEqual(Foo.foo, 456)
|
|
self.assertEqual(Foo().foo, 456)
|