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# -*- coding:utf-8 -*-
from datetime import datetime, timedelta
from calendar import timegm
from django.test import TestCase
from django.utils.http import parse_etags, quote_etag
FULL_RESPONSE = 'Test conditional get response'
LAST_MODIFIED = datetime(2007, 10, 21, 23, 21, 47)
LAST_MODIFIED_STR = 'Sun, 21 Oct 2007 23:21:47 GMT'
EXPIRED_LAST_MODIFIED_STR = 'Sat, 20 Oct 2007 23:21:47 GMT'
ETAG = 'b4246ffc4f62314ca13147c9d4f76974'
EXPIRED_ETAG = '7fae4cd4b0f81e7d2914700043aa8ed6'
class ConditionalGet(TestCase):
def assertFullResponse(self, response, check_last_modified=True, check_etag=True):
self.assertEquals(response.status_code, 200)
self.assertEquals(response.content, FULL_RESPONSE)
if check_last_modified:
self.assertEquals(response['Last-Modified'], LAST_MODIFIED_STR)
if check_etag:
self.assertEquals(response['ETag'], '"%s"' % ETAG)
def assertNotModified(self, response):
self.assertEquals(response.status_code, 304)
self.assertEquals(response.content, '')
def testWithoutConditions(self):
response = self.client.get('/condition/')
self.assertFullResponse(response)
def testIfModifiedSince(self):
self.client.defaults['HTTP_IF_MODIFIED_SINCE'] = LAST_MODIFIED_STR
response = self.client.get('/condition/')
self.assertNotModified(response)
self.client.defaults['HTTP_IF_MODIFIED_SINCE'] = EXPIRED_LAST_MODIFIED_STR
response = self.client.get('/condition/')
self.assertFullResponse(response)
def testIfNoneMatch(self):
self.client.defaults['HTTP_IF_NONE_MATCH'] = '"%s"' % ETAG
response = self.client.get('/condition/')
self.assertNotModified(response)
self.client.defaults['HTTP_IF_NONE_MATCH'] = '"%s"' % EXPIRED_ETAG
response = self.client.get('/condition/')
self.assertFullResponse(response)
# Several etags in If-None-Match is a bit exotic but why not?
self.client.defaults['HTTP_IF_NONE_MATCH'] = '"%s", "%s"' % (ETAG, EXPIRED_ETAG)
response = self.client.get('/condition/')
self.assertNotModified(response)
def testIfMatch(self):
self.client.defaults['HTTP_IF_MATCH'] = '"%s"' % ETAG
response = self.client.put('/condition/etag/', {'data': ''})
self.assertEquals(response.status_code, 200)
self.client.defaults['HTTP_IF_MATCH'] = '"%s"' % EXPIRED_ETAG
response = self.client.put('/condition/etag/', {'data': ''})
self.assertEquals(response.status_code, 412)
def testBothHeaders(self):
self.client.defaults['HTTP_IF_MODIFIED_SINCE'] = LAST_MODIFIED_STR
self.client.defaults['HTTP_IF_NONE_MATCH'] = '"%s"' % ETAG
response = self.client.get('/condition/')
self.assertNotModified(response)
self.client.defaults['HTTP_IF_MODIFIED_SINCE'] = EXPIRED_LAST_MODIFIED_STR
self.client.defaults['HTTP_IF_NONE_MATCH'] = '"%s"' % ETAG
response = self.client.get('/condition/')
self.assertFullResponse(response)
self.client.defaults['HTTP_IF_MODIFIED_SINCE'] = LAST_MODIFIED_STR
self.client.defaults['HTTP_IF_NONE_MATCH'] = '"%s"' % EXPIRED_ETAG
response = self.client.get('/condition/')
self.assertFullResponse(response)
def testSingleCondition1(self):
self.client.defaults['HTTP_IF_MODIFIED_SINCE'] = LAST_MODIFIED_STR
response = self.client.get('/condition/last_modified/')
self.assertNotModified(response)
response = self.client.get('/condition/etag/')
self.assertFullResponse(response, check_last_modified=False)
def testSingleCondition2(self):
self.client.defaults['HTTP_IF_NONE_MATCH'] = '"%s"' % ETAG
response = self.client.get('/condition/etag/')
self.assertNotModified(response)
response = self.client.get('/condition/last_modified/')
self.assertFullResponse(response, check_etag=False)
def testSingleCondition3(self):
self.client.defaults['HTTP_IF_MODIFIED_SINCE'] = EXPIRED_LAST_MODIFIED_STR
response = self.client.get('/condition/last_modified/')
self.assertFullResponse(response, check_etag=False)
def testSingleCondition4(self):
self.client.defaults['HTTP_IF_NONE_MATCH'] = '"%s"' % EXPIRED_ETAG
response = self.client.get('/condition/etag/')
self.assertFullResponse(response, check_last_modified=False)
def testSingleCondition5(self):
self.client.defaults['HTTP_IF_MODIFIED_SINCE'] = LAST_MODIFIED_STR
response = self.client.get('/condition/last_modified2/')
self.assertNotModified(response)
response = self.client.get('/condition/etag2/')
self.assertFullResponse(response, check_last_modified=False)
def testSingleCondition6(self):
self.client.defaults['HTTP_IF_NONE_MATCH'] = '"%s"' % ETAG
response = self.client.get('/condition/etag2/')
self.assertNotModified(response)
response = self.client.get('/condition/last_modified2/')
self.assertFullResponse(response, check_etag=False)
def testInvalidETag(self):
self.client.defaults['HTTP_IF_NONE_MATCH'] = r'"\"'
response = self.client.get('/condition/etag/')
self.assertFullResponse(response, check_last_modified=False)
class ETagProcesing(TestCase):
def testParsing(self):
etags = parse_etags(r'"", "etag", "e\"t\"ag", "e\\tag", W/"weak"')
self.assertEquals(etags, ['', 'etag', 'e"t"ag', r'e\tag', 'weak'])
def testQuoting(self):
quoted_etag = quote_etag(r'e\t"ag')
self.assertEquals(quoted_etag, r'"e\\t\"ag"')
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