Store stacks in the database when running unit tests

If stacks are not stored in the database before they are create()'d,
anything that refers to a stack (e.g. Resources and Events) cannot be added
to the database either, and we get numerous errors in any output logs.

Change-Id: Icd1012455d413aad617486c138fd4507e391bc7b

heat/tests/test_autoscaling.py

@@ -466,7 +466,7 @@ class AutoScalingTest(HeatTestCase):
 
         now = now + datetime.timedelta(seconds=10)
         self.m.StubOutWithMock(timeutils, 'utcnow')
-        timeutils.utcnow().AndReturn(now)
+        timeutils.utcnow().MultipleTimes().AndReturn(now)
 
         self.m.StubOutWithMock(Metadata, '__get__')
         Metadata.__get__(mox.IgnoreArg(), rsrc, mox.IgnoreArg()
@@ -677,7 +677,7 @@ class AutoScalingTest(HeatTestCase):
 
         now = now + datetime.timedelta(seconds=10)
         self.m.StubOutWithMock(timeutils, 'utcnow')
-        timeutils.utcnow().AndReturn(now)
+        timeutils.utcnow().MultipleTimes().AndReturn(now)
 
         self.m.StubOutWithMock(Metadata, '__get__')
         Metadata.__get__(mox.IgnoreArg(), up_policy, mox.IgnoreArg()

heat/tests/test_nokey.py

@@ -16,7 +16,6 @@ from heat.tests.v1_1 import fakes
 from heat.engine.resources import instance as instances
 from heat.common import template_format
 from heat.engine import scheduler
-from heat.openstack.common import uuidutils
 from heat.tests.common import HeatTestCase
 from heat.tests import utils
 from heat.tests.utils import setup_dummy_db
@@ -52,8 +51,7 @@ class nokeyTest(HeatTestCase):
 
         stack_name = 'instance_create_test_nokey_stack'
         t = template_format.parse(nokey_template)
-        stack = parse_stack(t, stack_name=stack_name,
-                            stack_id=uuidutils.generate_uuid())
+        stack = parse_stack(t, stack_name=stack_name)
 
         t['Resources']['WebServer']['Properties']['ImageId'] = 'CentOS 5.2'
         t['Resources']['WebServer']['Properties']['InstanceType'] = \

heat/tests/utils.py

@@ -64,6 +64,7 @@ def parse_stack(t, params={}, stack_name='test_stack', stack_id=None):
     template = parser.Template(t)
     parameters = parser.Parameters(stack_name, template, params)
     stack = parser.Stack(ctx, stack_name, template, parameters, stack_id)
+    stack.store()
 
     return stack