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from itertools import product
from asgiref.sync import iscoroutinefunction
from django.http import HttpRequest, HttpResponse
from django.test import SimpleTestCase
from django.utils.csp import CSP
from django.views.decorators.csp import csp_override, csp_report_only_override
basic_config = {
"default-src": [CSP.SELF],
}
class CSPOverrideDecoratorTest(SimpleTestCase):
def test_wrapped_sync_function_is_not_coroutine_function(self):
def sync_view(request):
return HttpResponse()
wrapped_view = csp_override({})(sync_view)
self.assertIs(iscoroutinefunction(wrapped_view), False)
def test_wrapped_async_function_is_coroutine_function(self):
async def async_view(request):
return HttpResponse()
wrapped_view = csp_override({})(async_view)
self.assertIs(iscoroutinefunction(wrapped_view), True)
def test_decorator_requires_mapping(self):
for config, decorator in product(
[None, 0, False, [], [1, 2, 3], 42, {4, 5}],
(csp_override, csp_report_only_override),
):
with (
self.subTest(config=config, decorator=decorator),
self.assertRaisesMessage(TypeError, "CSP config should be a mapping"),
):
decorator(config)
def test_csp_override(self):
@csp_override(basic_config)
def sync_view(request):
return HttpResponse("OK")
response = sync_view(HttpRequest())
self.assertEqual(response._csp_config, basic_config)
self.assertIs(hasattr(response, "_csp_ro_config"), False)
async def test_csp_override_async_view(self):
@csp_override(basic_config)
async def async_view(request):
return HttpResponse("OK")
response = await async_view(HttpRequest())
self.assertEqual(response._csp_config, basic_config)
self.assertIs(hasattr(response, "_csp_ro_config"), False)
def test_csp_report_only_override(self):
@csp_report_only_override(basic_config)
def sync_view(request):
return HttpResponse("OK")
response = sync_view(HttpRequest())
self.assertEqual(response._csp_ro_config, basic_config)
self.assertIs(hasattr(response, "_csp_config"), False)
async def test_csp_report_only_override_async_view(self):
@csp_report_only_override(basic_config)
async def async_view(request):
return HttpResponse("OK")
response = await async_view(HttpRequest())
self.assertEqual(response._csp_ro_config, basic_config)
self.assertIs(hasattr(response, "_csp_config"), False)
def test_csp_override_both(self):
@csp_override(basic_config)
@csp_report_only_override(basic_config)
def sync_view(request):
return HttpResponse("OK")
response = sync_view(HttpRequest())
self.assertEqual(response._csp_config, basic_config)
self.assertEqual(response._csp_ro_config, basic_config)
async def test_csp_override_both_async_view(self):
@csp_override(basic_config)
@csp_report_only_override(basic_config)
async def async_view(request):
return HttpResponse("OK")
response = await async_view(HttpRequest())
self.assertEqual(response._csp_config, basic_config)
self.assertEqual(response._csp_ro_config, basic_config)
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