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afd040d4d3
assert_ -> assertTrue assertEquals -> assertEqual failUnless -> assertTrue For full details, see http://www.voidspace.org.uk/python/articles/unittest2.shtml#deprecations git-svn-id: http://code.djangoproject.com/svn/django/trunk@15728 bcc190cf-cafb-0310-a4f2-bffc1f526a37
317 lines
12 KiB
Python
317 lines
12 KiB
Python
from datetime import datetime
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import os
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import pickle
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import time
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from django.utils import unittest
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from django.test import RequestFactory, TestCase
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from django.conf import settings
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import django.template.context
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from django.template import Template, Context, RequestContext
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from django.template.response import (TemplateResponse, SimpleTemplateResponse,
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ContentNotRenderedError)
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def test_processor(request):
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return {'processors': 'yes'}
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test_processor_name = 'regressiontests.templates.response.test_processor'
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# A test middleware that installs a temporary URLConf
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class CustomURLConfMiddleware(object):
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def process_request(self, request):
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request.urlconf = 'regressiontests.templates.alternate_urls'
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class BaseTemplateResponseTest(unittest.TestCase):
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# tests rely on fact that global context
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# processors should only work when RequestContext is used.
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def setUp(self):
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self.factory = RequestFactory()
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self._old_processors = settings.TEMPLATE_CONTEXT_PROCESSORS
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self._old_TEMPLATE_DIRS = settings.TEMPLATE_DIRS
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settings.TEMPLATE_CONTEXT_PROCESSORS = [test_processor_name]
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settings.TEMPLATE_DIRS = (
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os.path.join(
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os.path.dirname(__file__),
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'templates'
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),
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)
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# Force re-evaluation of the contex processor list
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django.template.context._standard_context_processors = None
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def tearDown(self):
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settings.TEMPLATE_DIRS = self._old_TEMPLATE_DIRS
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settings.TEMPLATE_CONTEXT_PROCESSORS = self._old_processors
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# Force re-evaluation of the contex processor list
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django.template.context._standard_context_processors = None
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class SimpleTemplateResponseTest(BaseTemplateResponseTest):
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def _response(self, template='foo', *args, **kwargs):
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return SimpleTemplateResponse(Template(template), *args, **kwargs)
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def test_template_resolving(self):
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response = SimpleTemplateResponse('first/test.html')
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response.render()
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self.assertEqual('First template\n', response.content)
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templates = ['foo.html', 'second/test.html', 'first/test.html']
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response = SimpleTemplateResponse(templates)
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response.render()
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self.assertEqual('Second template\n', response.content)
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response = self._response()
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response.render()
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self.assertEqual(response.content, 'foo')
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def test_explicit_baking(self):
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# explicit baking
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response = self._response()
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self.assertFalse(response.is_rendered)
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response.render()
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self.assertTrue(response.is_rendered)
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def test_render(self):
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# response is not re-rendered without the render call
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response = self._response().render()
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self.assertEqual(response.content, 'foo')
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# rebaking doesn't change the rendered content
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response.template_name = Template('bar{{ baz }}')
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response.render()
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self.assertEqual(response.content, 'foo')
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# but rendered content can be overridden by manually
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# setting content
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response.content = 'bar'
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self.assertEqual(response.content, 'bar')
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def test_iteration_unrendered(self):
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# unrendered response raises an exception on iteration
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response = self._response()
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self.assertFalse(response.is_rendered)
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def iteration():
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for x in response:
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pass
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self.assertRaises(ContentNotRenderedError, iteration)
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self.assertFalse(response.is_rendered)
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def test_iteration_rendered(self):
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# iteration works for rendered responses
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response = self._response().render()
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res = [x for x in response]
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self.assertEqual(res, ['foo'])
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def test_content_access_unrendered(self):
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# unrendered response raises an exception when content is accessed
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response = self._response()
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self.assertFalse(response.is_rendered)
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self.assertRaises(ContentNotRenderedError, lambda: response.content)
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self.assertFalse(response.is_rendered)
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def test_content_access_rendered(self):
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# rendered response content can be accessed
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response = self._response().render()
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self.assertEqual(response.content, 'foo')
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def test_set_content(self):
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# content can be overriden
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response = self._response()
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self.assertFalse(response.is_rendered)
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response.content = 'spam'
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self.assertTrue(response.is_rendered)
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self.assertEqual(response.content, 'spam')
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response.content = 'baz'
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self.assertEqual(response.content, 'baz')
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def test_dict_context(self):
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response = self._response('{{ foo }}{{ processors }}',
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{'foo': 'bar'})
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self.assertEqual(response.context_data, {'foo': 'bar'})
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response.render()
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self.assertEqual(response.content, 'bar')
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def test_context_instance(self):
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response = self._response('{{ foo }}{{ processors }}',
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Context({'foo': 'bar'}))
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self.assertEqual(response.context_data.__class__, Context)
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response.render()
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self.assertEqual(response.content, 'bar')
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def test_kwargs(self):
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response = self._response(content_type = 'application/json', status=504)
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self.assertEqual(response['content-type'], 'application/json')
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self.assertEqual(response.status_code, 504)
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def test_args(self):
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response = SimpleTemplateResponse('', {}, 'application/json', 504)
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self.assertEqual(response['content-type'], 'application/json')
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self.assertEqual(response.status_code, 504)
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def test_post_callbacks(self):
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"Rendering a template response triggers the post-render callbacks"
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post = []
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def post1(obj):
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post.append('post1')
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def post2(obj):
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post.append('post2')
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response = SimpleTemplateResponse('first/test.html', {})
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response.add_post_render_callback(post1)
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response.add_post_render_callback(post2)
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# When the content is rendered, all the callbacks are invoked, too.
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response.render()
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self.assertEqual('First template\n', response.content)
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self.assertEqual(post, ['post1','post2'])
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def test_pickling(self):
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# Create a template response. The context is
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# known to be unpickleable (e.g., a function).
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response = SimpleTemplateResponse('first/test.html', {
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'value': 123,
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'fn': datetime.now,
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})
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self.assertRaises(ContentNotRenderedError,
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pickle.dumps, response)
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# But if we render the response, we can pickle it.
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response.render()
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pickled_response = pickle.dumps(response)
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unpickled_response = pickle.loads(pickled_response)
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self.assertEqual(unpickled_response.content, response.content)
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self.assertEqual(unpickled_response['content-type'], response['content-type'])
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self.assertEqual(unpickled_response.status_code, response.status_code)
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# ...and the unpickled reponse doesn't have the
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# template-related attributes, so it can't be re-rendered
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self.assertFalse(hasattr(unpickled_response, 'template_name'))
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self.assertFalse(hasattr(unpickled_response, 'context_data'))
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self.assertFalse(hasattr(unpickled_response, '_post_render_callbacks'))
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class TemplateResponseTest(BaseTemplateResponseTest):
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def _response(self, template='foo', *args, **kwargs):
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return TemplateResponse(self.factory.get('/'), Template(template),
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*args, **kwargs)
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def test_render(self):
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response = self._response('{{ foo }}{{ processors }}').render()
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self.assertEqual(response.content, 'yes')
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def test_render_with_requestcontext(self):
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response = self._response('{{ foo }}{{ processors }}',
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{'foo': 'bar'}).render()
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self.assertEqual(response.content, 'baryes')
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def test_render_with_context(self):
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response = self._response('{{ foo }}{{ processors }}',
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Context({'foo': 'bar'})).render()
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self.assertEqual(response.content, 'bar')
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def test_kwargs(self):
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response = self._response(content_type = 'application/json',
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status=504)
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self.assertEqual(response['content-type'], 'application/json')
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self.assertEqual(response.status_code, 504)
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def test_args(self):
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response = TemplateResponse(self.factory.get('/'), '', {},
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'application/json', 504)
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self.assertEqual(response['content-type'], 'application/json')
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self.assertEqual(response.status_code, 504)
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def test_custom_app(self):
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response = self._response('{{ foo }}', current_app="foobar")
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rc = response.resolve_context(response.context_data)
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self.assertEqual(rc.current_app, 'foobar')
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def test_pickling(self):
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# Create a template response. The context is
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# known to be unpickleable (e.g., a function).
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response = TemplateResponse(self.factory.get('/'),
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'first/test.html', {
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'value': 123,
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'fn': datetime.now,
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})
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self.assertRaises(ContentNotRenderedError,
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pickle.dumps, response)
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# But if we render the response, we can pickle it.
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response.render()
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pickled_response = pickle.dumps(response)
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unpickled_response = pickle.loads(pickled_response)
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self.assertEqual(unpickled_response.content, response.content)
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self.assertEqual(unpickled_response['content-type'], response['content-type'])
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self.assertEqual(unpickled_response.status_code, response.status_code)
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# ...and the unpickled reponse doesn't have the
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# template-related attributes, so it can't be re-rendered
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self.assertFalse(hasattr(unpickled_response, '_request'))
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self.assertFalse(hasattr(unpickled_response, 'template_name'))
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self.assertFalse(hasattr(unpickled_response, 'context_data'))
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self.assertFalse(hasattr(unpickled_response, '_post_render_callbacks'))
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class CustomURLConfTest(TestCase):
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urls = 'regressiontests.templates.urls'
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def setUp(self):
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self.old_MIDDLEWARE_CLASSES = settings.MIDDLEWARE_CLASSES
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settings.MIDDLEWARE_CLASSES = list(settings.MIDDLEWARE_CLASSES) + [
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'regressiontests.templates.response.CustomURLConfMiddleware'
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]
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def tearDown(self):
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settings.MIDDLEWARE_CLASSES = self.old_MIDDLEWARE_CLASSES
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def test_custom_urlconf(self):
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response = self.client.get('/template_response_view/')
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self.assertEqual(response.status_code, 200)
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self.assertContains(response, 'This is where you can find the snark: /snark/')
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class CacheMiddlewareTest(TestCase):
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urls = 'regressiontests.templates.alternate_urls'
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def setUp(self):
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self.old_MIDDLEWARE_CLASSES = settings.MIDDLEWARE_CLASSES
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self.CACHE_MIDDLEWARE_SECONDS = settings.CACHE_MIDDLEWARE_SECONDS
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settings.CACHE_MIDDLEWARE_SECONDS = 2.0
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settings.MIDDLEWARE_CLASSES = list(settings.MIDDLEWARE_CLASSES) + [
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'django.middleware.cache.FetchFromCacheMiddleware',
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'django.middleware.cache.UpdateCacheMiddleware',
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]
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def tearDown(self):
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settings.MIDDLEWARE_CLASSES = self.old_MIDDLEWARE_CLASSES
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settings.CACHE_MIDDLEWARE_SECONDS = self.CACHE_MIDDLEWARE_SECONDS
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def test_middleware_caching(self):
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response = self.client.get('/template_response_view/')
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self.assertEqual(response.status_code, 200)
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time.sleep(1.0)
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response2 = self.client.get('/template_response_view/')
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self.assertEqual(response2.status_code, 200)
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self.assertEqual(response.content, response2.content)
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time.sleep(2.0)
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# Let the cache expire and test again
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response2 = self.client.get('/template_response_view/')
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self.assertEqual(response2.status_code, 200)
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self.assertNotEqual(response.content, response2.content)
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