Fixes data type bug in get-user call

Additionally, fixes a bug in the fake guestagent causing
grant permissions to persist after a user is deleted.

Partially addresses bug #1132975

Change-Id: I2b6951d1569224661747b3a889c8840ce2b205fa

reddwarf/extensions/mysql/views.py

@@ -26,7 +26,7 @@ class UserView(object):
             "name": self.user.name,
             "databases": self.user.databases
         }
-        return user_dict
+        return {"user": user_dict}
 
 
 class UsersView(object):
@@ -35,12 +35,11 @@ class UsersView(object):
         self.users = users
 
     def data(self):
-        data = []
-        # These are model instances
-        for user in self.users:
-            data.append(UserView(user).data())
+        userlist = [{"name": user.name,
+                     "databases": user.databases}
+                    for user in self.users]
 
-        return {"users": data}
+        return {"users": userlist}
 
 
 class UserAccessView(object):

reddwarf/tests/fakes/guestagent.py

@@ -64,6 +64,8 @@ class FakeGuest(object):
 
     def _create_user(self, user):
         self.users[user['_name']] = user
+        databases = [db['_name'] for db in user['_databases']]
+        self.grant_access(user['_name'], databases)
         return user
 
     def delete_database(self, database):
@@ -82,8 +84,10 @@ class FakeGuest(object):
         })
 
     def delete_user(self, user):
-        if user['_name'] in self.users:
-            del self.users[user['_name']]
+        username = user['_name']
+        self.grants[(username, '%')] = set()
+        if username in self.users:
+            del self.users[username]
 
     def is_root_enabled(self):
         return self.root_was_enabled