Make Glance work with SQLAlchemy 0.7

Fix execption caught during tests
Fix test failure wiping out engine in use

Fixes bug 892754

Change-Id: I9de6f077af656730c95bc715c2b765b0c49c7d3c

Authors

@@ -1,5 +1,6 @@
 Adam Gandelman <adam.gandelman@canonical.com>
 Alex Meade <alex.meade@rackspace.com>
+Andrew Hutchings <andrew@linuxjedi.co.uk>
 Andrey Brindeyev <abrindeyev@griddynamics.com>
 Brian Lamar <brian.lamar@rackspace.com>
 Brian Waldon <brian.waldon@rackspace.com>

glance/tests/unit/test_api.py

@@ -24,6 +24,7 @@
 import stubout
 import webob
 
+from sqlalchemy import exc
 from glance.api.v1 import images
 from glance.api.v1 import router
 from glance.common import context
@@ -47,6 +48,7 @@ class TestRegistryDb(unittest.TestCase):
     def setUp(self):
         """Establish a clean test environment"""
         self.stubs = stubout.StubOutForTesting()
+        self.orig_engine = db_api._ENGINE
 
     def test_bad_sql_connection(self):
         """
@@ -61,9 +63,9 @@ def test_bad_sql_connection(self):
                 })
         # We set this to None to trigger a reconfigure, otherwise
         # other modules may have already correctly configured the DB
-        orig_engine = db_api._ENGINE
         db_api._ENGINE = None
-        self.assertRaises(ImportError, db_api.configure_db, bad_conf)
+        self.assertRaises((ImportError, exc.ArgumentError),
+            db_api.configure_db, bad_conf)
         exc_raised = False
         self.log_written = False
 
@@ -74,16 +76,17 @@ def fake_log_error(msg):
         self.stubs.Set(db_api.logger, 'error', fake_log_error)
         try:
             api_obj = rserver.API(bad_conf)
+        except exc.ArgumentError:
+            exc_raised = True
         except ImportError:
             exc_raised = True
-        finally:
-            db_api._ENGINE = orig_engine
 
         self.assertTrue(exc_raised)
         self.assertTrue(self.log_written)
 
     def tearDown(self):
         """Clear the test environment"""
+        db_api._ENGINE = self.orig_engine
         self.stubs.UnsetAll()
 
 

tools/pip-requires

@@ -3,7 +3,7 @@
 # package to get the right headers...
 greenlet>=0.3.1
 
-SQLAlchemy>=0.6.3,<0.7
+SQLAlchemy>=0.7
 anyjson
 eventlet>=0.9.12
 PasteDeploy
@@ -15,7 +15,7 @@ argparse
 mox
 boto==2.1.1
 swift
-sqlalchemy-migrate>=0.6,<0.7
+sqlalchemy-migrate>=0.7
 httplib2
 xattr>=0.6.0
 kombu