import unittest
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from pyramid import testing
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class Test_excview_tween_factory(unittest.TestCase):
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def setUp(self):
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self.config = testing.setUp()
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def tearDown(self):
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testing.tearDown()
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def _makeOne(self, handler, registry=None):
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from pyramid.tweens import excview_tween_factory
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if registry is None:
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registry = self.config.registry
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return excview_tween_factory(handler, registry)
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def test_it_passthrough_no_exception(self):
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dummy_response = DummyResponse()
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def handler(request):
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return dummy_response
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tween = self._makeOne(handler)
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request = DummyRequest()
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result = tween(request)
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self.assertTrue(result is dummy_response)
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self.assertIsNone(request.exception)
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self.assertIsNone(request.exc_info)
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def test_it_catches_notfound(self):
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from pyramid.request import Request
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from pyramid.httpexceptions import HTTPNotFound
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self.config.add_notfound_view(lambda exc, request: exc)
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def handler(request):
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raise HTTPNotFound
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tween = self._makeOne(handler)
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request = Request.blank('/')
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request.registry = self.config.registry
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result = tween(request)
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self.assertEqual(result.status, '404 Not Found')
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self.assertIsInstance(request.exception, HTTPNotFound)
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self.assertEqual(request.exception, request.exc_info[1])
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def test_it_catches_with_predicate(self):
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from pyramid.request import Request
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from pyramid.response import Response
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def excview(request):
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return Response('foo')
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self.config.add_view(excview, context=ValueError, request_method='GET')
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def handler(request):
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raise ValueError
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tween = self._makeOne(handler)
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request = Request.blank('/')
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request.registry = self.config.registry
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result = tween(request)
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self.assertTrue(b'foo' in result.body)
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self.assertIsInstance(request.exception, ValueError)
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self.assertEqual(request.exception, request.exc_info[1])
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def test_it_reraises_on_mismatch(self):
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from pyramid.request import Request
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def excview(request): # pragma: no cover
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pass
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self.config.add_view(excview, context=ValueError, request_method='GET')
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def handler(request):
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raise ValueError
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tween = self._makeOne(handler)
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request = Request.blank('/')
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request.registry = self.config.registry
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request.method = 'POST'
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self.assertRaises(ValueError, lambda: tween(request))
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self.assertIsNone(request.exception)
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self.assertIsNone(request.exc_info)
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def test_it_reraises_on_no_match(self):
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from pyramid.request import Request
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def handler(request):
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raise ValueError
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tween = self._makeOne(handler)
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request = Request.blank('/')
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request.registry = self.config.registry
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self.assertRaises(ValueError, lambda: tween(request))
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self.assertIsNone(request.exception)
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self.assertIsNone(request.exc_info)
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class DummyRequest:
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exception = None
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exc_info = None
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class DummyResponse:
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pass
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