From de61f454cdda890ffa1eebf29dc2df817398a34b Mon Sep 17 00:00:00 2001
From: Michael Merickel <michael@merickel.org>
Date: Thu, 12 May 2016 01:51:13 -0500
Subject: add some tests for excview tween

---
 pyramid/tests/test_tweens.py | 73 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 pyramid/tests/test_tweens.py

diff --git a/pyramid/tests/test_tweens.py b/pyramid/tests/test_tweens.py
new file mode 100644
index 000000000..c8eada34c
--- /dev/null
+++ b/pyramid/tests/test_tweens.py
@@ -0,0 +1,73 @@
+import unittest
+from pyramid import testing
+
+class Test_excview_tween_factory(unittest.TestCase):
+    def setUp(self):
+        self.config = testing.setUp()
+
+    def tearDown(self):
+        testing.tearDown()
+
+    def _makeOne(self, handler, registry=None):
+        from pyramid.tweens import excview_tween_factory
+        if registry is None:
+            registry = self.config.registry
+        return excview_tween_factory(handler, registry)
+
+    def test_it_passthrough_no_exception(self):
+        dummy_response = DummyResponse()
+        def handler(request):
+            return dummy_response
+        tween = self._makeOne(handler)
+        request = DummyRequest()
+        result = tween(request)
+        self.assertTrue(result is dummy_response)
+
+    def test_it_catches_notfound(self):
+        from pyramid.request import Request
+        from pyramid.httpexceptions import HTTPNotFound
+        self.config.add_notfound_view(lambda exc, request: exc)
+        def handler(request):
+            raise HTTPNotFound
+        tween = self._makeOne(handler)
+        request = Request.blank('/')
+        result = tween(request)
+        self.assertEqual(result.status, '404 Not Found')
+
+    def test_it_catches_with_predicate(self):
+        from pyramid.request import Request
+        from pyramid.response import Response
+        def excview(request):
+            return Response('foo')
+        self.config.add_view(excview, context=ValueError, request_method='GET')
+        def handler(request):
+            raise ValueError
+        tween = self._makeOne(handler)
+        request = Request.blank('/')
+        result = tween(request)
+        self.assertTrue(b'foo' in result.body)
+
+    def test_it_reraises_on_mismatch(self):
+        from pyramid.request import Request
+        def excview(request): pass
+        self.config.add_view(excview, context=ValueError, request_method='GET')
+        def handler(request):
+            raise ValueError
+        tween = self._makeOne(handler)
+        request = Request.blank('/')
+        request.method = 'POST'
+        self.assertRaises(ValueError, lambda: tween(request))
+
+    def test_it_reraises_on_no_match(self):
+        from pyramid.request import Request
+        def handler(request):
+            raise ValueError
+        tween = self._makeOne(handler)
+        request = Request.blank('/')
+        self.assertRaises(ValueError, lambda: tween(request))
+
+class DummyRequest:
+    pass
+
+class DummyResponse:
+    pass
-- 
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