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276 lines
13 KiB
Python
276 lines
13 KiB
Python
from datetime import datetime
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from django.test import SimpleTestCase, override_settings
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FULL_RESPONSE = "Test conditional get response"
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LAST_MODIFIED = datetime(2007, 10, 21, 23, 21, 47)
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LAST_MODIFIED_STR = "Sun, 21 Oct 2007 23:21:47 GMT"
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LAST_MODIFIED_NEWER_STR = "Mon, 18 Oct 2010 16:56:23 GMT"
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LAST_MODIFIED_INVALID_STR = "Mon, 32 Oct 2010 16:56:23 GMT"
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EXPIRED_LAST_MODIFIED_STR = "Sat, 20 Oct 2007 23:21:47 GMT"
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ETAG = '"b4246ffc4f62314ca13147c9d4f76974"'
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WEAK_ETAG = 'W/"b4246ffc4f62314ca13147c9d4f76974"' # weak match to ETAG
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EXPIRED_ETAG = '"7fae4cd4b0f81e7d2914700043aa8ed6"'
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@override_settings(ROOT_URLCONF="conditional_processing.urls")
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class ConditionalGet(SimpleTestCase):
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def assertFullResponse(self, response, check_last_modified=True, check_etag=True):
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self.assertEqual(response.status_code, 200)
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self.assertEqual(response.content, FULL_RESPONSE.encode())
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if response.request["REQUEST_METHOD"] in ("GET", "HEAD"):
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if check_last_modified:
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self.assertEqual(response.headers["Last-Modified"], LAST_MODIFIED_STR)
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if check_etag:
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self.assertEqual(response.headers["ETag"], ETAG)
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else:
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self.assertNotIn("Last-Modified", response.headers)
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self.assertNotIn("ETag", response.headers)
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def assertNotModified(self, response):
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self.assertEqual(response.status_code, 304)
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self.assertEqual(response.content, b"")
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def test_without_conditions(self):
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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def test_if_modified_since(self):
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = LAST_MODIFIED_STR
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response = self.client.get("/condition/")
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self.assertNotModified(response)
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response = self.client.put("/condition/")
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self.assertFullResponse(response)
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = LAST_MODIFIED_NEWER_STR
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response = self.client.get("/condition/")
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self.assertNotModified(response)
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response = self.client.put("/condition/")
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self.assertFullResponse(response)
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = LAST_MODIFIED_INVALID_STR
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = EXPIRED_LAST_MODIFIED_STR
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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def test_if_unmodified_since(self):
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self.client.defaults["HTTP_IF_UNMODIFIED_SINCE"] = LAST_MODIFIED_STR
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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self.client.defaults["HTTP_IF_UNMODIFIED_SINCE"] = LAST_MODIFIED_NEWER_STR
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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self.client.defaults["HTTP_IF_UNMODIFIED_SINCE"] = LAST_MODIFIED_INVALID_STR
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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self.client.defaults["HTTP_IF_UNMODIFIED_SINCE"] = EXPIRED_LAST_MODIFIED_STR
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response = self.client.get("/condition/")
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self.assertEqual(response.status_code, 412)
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def test_if_none_match(self):
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self.client.defaults["HTTP_IF_NONE_MATCH"] = ETAG
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response = self.client.get("/condition/")
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self.assertNotModified(response)
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response = self.client.put("/condition/")
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self.assertEqual(response.status_code, 412)
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self.client.defaults["HTTP_IF_NONE_MATCH"] = EXPIRED_ETAG
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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# Several etags in If-None-Match is a bit exotic but why not?
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self.client.defaults["HTTP_IF_NONE_MATCH"] = "%s, %s" % (ETAG, EXPIRED_ETAG)
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response = self.client.get("/condition/")
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self.assertNotModified(response)
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def test_weak_if_none_match(self):
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"""
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If-None-Match comparisons use weak matching, so weak and strong ETags
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with the same value result in a 304 response.
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"""
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self.client.defaults["HTTP_IF_NONE_MATCH"] = ETAG
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response = self.client.get("/condition/weak_etag/")
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self.assertNotModified(response)
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response = self.client.put("/condition/weak_etag/")
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self.assertEqual(response.status_code, 412)
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self.client.defaults["HTTP_IF_NONE_MATCH"] = WEAK_ETAG
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response = self.client.get("/condition/weak_etag/")
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self.assertNotModified(response)
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response = self.client.put("/condition/weak_etag/")
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self.assertEqual(response.status_code, 412)
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response = self.client.get("/condition/")
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self.assertNotModified(response)
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response = self.client.put("/condition/")
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self.assertEqual(response.status_code, 412)
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def test_all_if_none_match(self):
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self.client.defaults["HTTP_IF_NONE_MATCH"] = "*"
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response = self.client.get("/condition/")
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self.assertNotModified(response)
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response = self.client.put("/condition/")
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self.assertEqual(response.status_code, 412)
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response = self.client.get("/condition/no_etag/")
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self.assertFullResponse(response, check_last_modified=False, check_etag=False)
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def test_if_match(self):
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self.client.defaults["HTTP_IF_MATCH"] = ETAG
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response = self.client.put("/condition/")
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self.assertFullResponse(response)
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self.client.defaults["HTTP_IF_MATCH"] = EXPIRED_ETAG
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response = self.client.put("/condition/")
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self.assertEqual(response.status_code, 412)
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def test_weak_if_match(self):
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"""
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If-Match comparisons use strong matching, so any comparison involving
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a weak ETag return a 412 response.
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"""
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self.client.defaults["HTTP_IF_MATCH"] = ETAG
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response = self.client.get("/condition/weak_etag/")
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self.assertEqual(response.status_code, 412)
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self.client.defaults["HTTP_IF_MATCH"] = WEAK_ETAG
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response = self.client.get("/condition/weak_etag/")
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self.assertEqual(response.status_code, 412)
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response = self.client.get("/condition/")
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self.assertEqual(response.status_code, 412)
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def test_all_if_match(self):
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self.client.defaults["HTTP_IF_MATCH"] = "*"
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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response = self.client.get("/condition/no_etag/")
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self.assertEqual(response.status_code, 412)
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def test_both_headers(self):
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# see https://tools.ietf.org/html/rfc7232#section-6
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = LAST_MODIFIED_STR
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self.client.defaults["HTTP_IF_NONE_MATCH"] = ETAG
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response = self.client.get("/condition/")
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self.assertNotModified(response)
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = EXPIRED_LAST_MODIFIED_STR
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self.client.defaults["HTTP_IF_NONE_MATCH"] = ETAG
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response = self.client.get("/condition/")
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self.assertNotModified(response)
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = LAST_MODIFIED_STR
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self.client.defaults["HTTP_IF_NONE_MATCH"] = EXPIRED_ETAG
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = EXPIRED_LAST_MODIFIED_STR
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self.client.defaults["HTTP_IF_NONE_MATCH"] = EXPIRED_ETAG
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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def test_both_headers_2(self):
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self.client.defaults["HTTP_IF_UNMODIFIED_SINCE"] = LAST_MODIFIED_STR
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self.client.defaults["HTTP_IF_MATCH"] = ETAG
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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self.client.defaults["HTTP_IF_UNMODIFIED_SINCE"] = EXPIRED_LAST_MODIFIED_STR
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self.client.defaults["HTTP_IF_MATCH"] = ETAG
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response = self.client.get("/condition/")
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self.assertFullResponse(response)
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self.client.defaults["HTTP_IF_UNMODIFIED_SINCE"] = EXPIRED_LAST_MODIFIED_STR
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self.client.defaults["HTTP_IF_MATCH"] = EXPIRED_ETAG
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response = self.client.get("/condition/")
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self.assertEqual(response.status_code, 412)
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self.client.defaults["HTTP_IF_UNMODIFIED_SINCE"] = LAST_MODIFIED_STR
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self.client.defaults["HTTP_IF_MATCH"] = EXPIRED_ETAG
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response = self.client.get("/condition/")
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self.assertEqual(response.status_code, 412)
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def test_single_condition_1(self):
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = LAST_MODIFIED_STR
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response = self.client.get("/condition/last_modified/")
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self.assertNotModified(response)
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response = self.client.get("/condition/etag/")
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self.assertFullResponse(response, check_last_modified=False)
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def test_single_condition_2(self):
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self.client.defaults["HTTP_IF_NONE_MATCH"] = ETAG
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response = self.client.get("/condition/etag/")
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self.assertNotModified(response)
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response = self.client.get("/condition/last_modified/")
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self.assertFullResponse(response, check_etag=False)
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def test_single_condition_3(self):
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = EXPIRED_LAST_MODIFIED_STR
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response = self.client.get("/condition/last_modified/")
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self.assertFullResponse(response, check_etag=False)
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def test_single_condition_4(self):
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self.client.defaults["HTTP_IF_NONE_MATCH"] = EXPIRED_ETAG
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response = self.client.get("/condition/etag/")
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self.assertFullResponse(response, check_last_modified=False)
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def test_single_condition_5(self):
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = LAST_MODIFIED_STR
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response = self.client.get("/condition/last_modified2/")
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self.assertNotModified(response)
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response = self.client.get("/condition/etag2/")
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self.assertFullResponse(response, check_last_modified=False)
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def test_single_condition_6(self):
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self.client.defaults["HTTP_IF_NONE_MATCH"] = ETAG
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response = self.client.get("/condition/etag2/")
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self.assertNotModified(response)
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response = self.client.get("/condition/last_modified2/")
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self.assertFullResponse(response, check_etag=False)
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def test_single_condition_7(self):
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self.client.defaults["HTTP_IF_UNMODIFIED_SINCE"] = EXPIRED_LAST_MODIFIED_STR
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response = self.client.get("/condition/last_modified/")
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self.assertEqual(response.status_code, 412)
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response = self.client.get("/condition/etag/")
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self.assertEqual(response.status_code, 412)
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def test_single_condition_8(self):
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self.client.defaults["HTTP_IF_UNMODIFIED_SINCE"] = LAST_MODIFIED_STR
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response = self.client.get("/condition/last_modified/")
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self.assertFullResponse(response, check_etag=False)
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def test_single_condition_9(self):
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self.client.defaults["HTTP_IF_UNMODIFIED_SINCE"] = EXPIRED_LAST_MODIFIED_STR
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response = self.client.get("/condition/last_modified2/")
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self.assertEqual(response.status_code, 412)
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response = self.client.get("/condition/etag2/")
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self.assertEqual(response.status_code, 412)
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def test_single_condition_head(self):
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self.client.defaults["HTTP_IF_MODIFIED_SINCE"] = LAST_MODIFIED_STR
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response = self.client.head("/condition/")
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self.assertNotModified(response)
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def test_unquoted(self):
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"""
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The same quoted ETag should be set on the header regardless of whether
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etag_func() in condition() returns a quoted or an unquoted ETag.
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"""
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response_quoted = self.client.get("/condition/etag/")
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response_unquoted = self.client.get("/condition/unquoted_etag/")
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self.assertEqual(response_quoted["ETag"], response_unquoted["ETag"])
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# It's possible that the matching algorithm could use the wrong value even
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# if the ETag header is set correctly correctly (as tested by
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# test_unquoted()), so check that the unquoted value is matched.
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def test_unquoted_if_none_match(self):
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self.client.defaults["HTTP_IF_NONE_MATCH"] = ETAG
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response = self.client.get("/condition/unquoted_etag/")
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self.assertNotModified(response)
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response = self.client.put("/condition/unquoted_etag/")
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self.assertEqual(response.status_code, 412)
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self.client.defaults["HTTP_IF_NONE_MATCH"] = EXPIRED_ETAG
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response = self.client.get("/condition/unquoted_etag/")
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self.assertFullResponse(response, check_last_modified=False)
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def test_invalid_etag(self):
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self.client.defaults["HTTP_IF_NONE_MATCH"] = '"""'
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response = self.client.get("/condition/etag/")
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self.assertFullResponse(response, check_last_modified=False)
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