From 927acdcb1419e636a67d328084a546834aaa173d Mon Sep 17 00:00:00 2001
From: Chris McDonough <chrism@agendaless.com>
Date: Sat, 10 Oct 2009 03:58:41 +0000
Subject: - Add a new ``repoze.bfg.testing`` API: ``registerRoute``, for  
 registering routes to satisfy calls to   e.g. ``repoze.bfg.url.route_url`` in
 unit tests.

---
 repoze/bfg/testing.py            | 23 +++++++++++++++++++++++
 repoze/bfg/tests/test_testing.py | 28 ++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)

diff --git a/repoze/bfg/testing.py b/repoze/bfg/testing.py
index 2e31afce6..25a178f66 100644
--- a/repoze/bfg/testing.py
+++ b/repoze/bfg/testing.py
@@ -220,6 +220,28 @@ def registerTraverserFactory(traverser, for_=Interface):
     from repoze.bfg.interfaces import ITraverserFactory
     return registerAdapter(traverser, for_, ITraverserFactory)
 
+def registerRoute(path, name, factory=None):
+    """ Register a new route using a path (e.g. ``:pagename``), a name
+    (e.g. 'home'), and an optional root factory.  This is useful for
+    testing code that calls e.g. ``route_url``."""
+    from repoze.bfg.interfaces import IRoutesMapper
+    from zope.component import queryUtility
+    from repoze.bfg.urldispatch import RoutesRootFactory
+    from zope.component import getSiteManager
+    mapper = queryUtility(IRoutesMapper)
+    if mapper is None:
+        mapper = RoutesRootFactory(DummyRootFactory)
+        sm = getSiteManager()
+        sm.registerUtility(mapper, IRoutesMapper)
+    mapper.connect(path, name, factory)
+
+class DummyRootFactory(object):
+    __parent__ = None
+    __name__ = None
+    def __init__(self, environ):
+        if 'bfg.routes.matchdict' in environ:
+            self.__dict__.update(environ['bfg.routes.matchdict'])
+
 class DummySecurityPolicy:
     """ A standin for both an IAuthentication and IAuthorization policy """
     def __init__(self, userid=None, groupids=(), permissive=True):
@@ -410,6 +432,7 @@ class DummyRequest:
         self.headers = headers
         self.params = params
         self.cookies = cookies
+        self.matchdict = {}
         self.GET = params
         if post is not None:
             self.method = 'POST'
diff --git a/repoze/bfg/tests/test_testing.py b/repoze/bfg/tests/test_testing.py
index 938115ecd..05cddc980 100644
--- a/repoze/bfg/tests/test_testing.py
+++ b/repoze/bfg/tests/test_testing.py
@@ -259,6 +259,34 @@ class TestTestingFunctions(unittest.TestCase):
         testing.registerUtility(utility, iface, name='mudge')
         self.assertEqual(getUtility(iface, name='mudge')(), 'foo')
 
+    def test_registerRoute(self):
+        from repoze.bfg.url import route_url
+        from repoze.bfg.interfaces import IRoutesMapper
+        from repoze.bfg.testing import registerRoute
+        from zope.component import getSiteManager
+        class Factory:
+            def __init__(self, environ):
+                """ """
+        class DummyRequest:
+            application_url = 'http://example.com'
+        registerRoute(':pagename', 'home', Factory)
+        sm = getSiteManager()
+        mapper = sm.getUtility(IRoutesMapper)
+        self.assertEqual(len(mapper.routelist), 1)
+        request = DummyRequest()
+        self.assertEqual(route_url('home', request, pagename='abc'),
+                         'http://example.com/abc')
+
+class TestDummyRootFactory(unittest.TestCase):
+    def _makeOne(self, environ):
+        from repoze.bfg.testing import DummyRootFactory
+        return DummyRootFactory(environ)
+
+    def test_it(self):
+        environ = {'bfg.routes.matchdict':{'a':1}}
+        factory = self._makeOne(environ)
+        self.assertEqual(factory.a, 1)
+
 class TestDummySecurityPolicy(unittest.TestCase):
     def _getTargetClass(self):
         from repoze.bfg.testing import DummySecurityPolicy
-- 
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