From ec2941b96a8f961438f9a341c936dfa660439a95 Mon Sep 17 00:00:00 2001
From: Chris McDonough <chrism@agendaless.com>
Date: Mon, 12 Jan 2009 00:30:12 +0000
Subject: - Make the (internal) thread local registry manager maintain a stack 
  of registries in order to make it possible to call one BFG   application
 from inside another.

---
 repoze/bfg/tests/test_registry.py | 27 +++++++++++++++++++--------
 repoze/bfg/tests/test_router.py   | 13 ++++++++-----
 2 files changed, 27 insertions(+), 13 deletions(-)

(limited to 'repoze/bfg/tests')

diff --git a/repoze/bfg/tests/test_registry.py b/repoze/bfg/tests/test_registry.py
index 0d051c131..51883b196 100644
--- a/repoze/bfg/tests/test_registry.py
+++ b/repoze/bfg/tests/test_registry.py
@@ -49,16 +49,28 @@ class TestThreadLocalRegistryManager(unittest.TestCase, PlacelessSetup):
     def test_init(self):
         local = self._makeOne()
         from zope.component import getGlobalSiteManager
-        self.assertEqual(local.registry, getGlobalSiteManager())
+        self.assertEqual(local.stack, [])
+        self.assertEqual(local.get(), getGlobalSiteManager())
+
+    def test_push_and_pop(self):
+        local = self._makeOne()
+        from zope.component import getGlobalSiteManager
+        local.push(True)
+        self.assertEqual(local.get(), True)
+        self.assertEqual(local.pop(), True)
+        self.assertEqual(local.pop(), None)
+        self.assertEqual(local.get(), getGlobalSiteManager())
 
     def test_set_get_and_clear(self):
         local = self._makeOne()
         from zope.component import getGlobalSiteManager
         local.set(None)
-        self.failIfEqual(local.registry, getGlobalSiteManager())
+        self.assertEqual(local.stack, [None])
         self.assertEqual(local.get(), None)
         local.clear()
-        self.assertEqual(local.registry, getGlobalSiteManager())
+        self.assertEqual(local.get(), getGlobalSiteManager())
+        local.clear()
+        self.assertEqual(local.get(), getGlobalSiteManager())
 
 class GetSiteManagerTests(unittest.TestCase):
     def _getFUT(self):
@@ -76,16 +88,15 @@ class GetSiteManagerTests(unittest.TestCase):
         self.assertRaises(ComponentLookupError, gsm, object)
         
 class DummyRegistrationManager:
-    registry = None
-    def set(self, registry):
+    def push(self, registry):
         self.registry = registry
 
+    def pop(self):
+        self.popped = True
+
     def get(self):
         return self.registry
 
-    def clear(self):
-        self.cleared = True
-
 class DummyLock:
     def acquire(self):
         self.acquired = True
diff --git a/repoze/bfg/tests/test_router.py b/repoze/bfg/tests/test_router.py
index 3f52bd9cd..35ab21f9c 100644
--- a/repoze/bfg/tests/test_router.py
+++ b/repoze/bfg/tests/test_router.py
@@ -483,7 +483,8 @@ class MakeAppTests(unittest.TestCase, PlacelessSetup):
                   'debug_authorization':True}
         import repoze.bfg.router
         old_registry_manager = repoze.bfg.router.registry_manager
-        repoze.bfg.router.registry_manager = DummyRegistryManager()
+        dummy_registry_manager = DummyRegistryManager()
+        repoze.bfg.router.registry_manager = dummy_registry_manager
         try:
             from repoze.bfg.tests import fixtureapp
             rootpolicy = make_rootfactory(None)
@@ -498,15 +499,17 @@ class MakeAppTests(unittest.TestCase, PlacelessSetup):
             self.assertEqual(settings.reload_templates, True)
             self.assertEqual(settings.debug_authorization, True)
             self.assertEqual(rootfactory, rootpolicy)
+            self.assertEqual(dummy_registry_manager.pushed, True)
+            self.assertEqual(dummy_registry_manager.popped, True)
         finally:
             repoze.bfg.router.registry_manager = old_registry_manager
 
 class DummyRegistryManager:
-    def set(self, registry):
-        pass
+    def push(self, registry):
+        self.pushed = True
 
-    def clear(self):
-        pass
+    def pop(self):
+        self.popped = True
 
 class DummyContext:
     pass
-- 
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