def test_set_watch_state(self):
# Insert dummy watch rule into the DB
values = {'stack_name': u'wordpress_ha', 'state': 'NORMAL',
'name': u'OverrideAlarm',
'rule': {
u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'}}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
for state in watchrule.WatchRule.WATCH_STATES:
result = self.man.set_watch_state(self.ctx,
watch_name="OverrideAlarm",
state=state)
self.assertNotEqual(result, None)
self.assertEqual(result[engine_api.WATCH_STATE_VALUE], state)
# Cleanup, delete the dummy rule
db_api.watch_rule_delete(self.ctx, "OverrideAlarm")
def test_create_watch_data(self):
rule = {u'EvaluationPeriods': u'1',
u'AlarmDescription': u'test alarm',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'CreateDataMetric'}
wr = watchrule.WatchRule(context=self.ctx,
watch_name='create_data_test',
stack_id=self.stack_id, rule=rule)
wr.store()
data = {u'CreateDataMetric': {"Unit": "Counter",
"Value": "1",
"Dimensions": []}}
wr.create_watch_data(data)
dbwr = db_api.watch_rule_get_by_name(self.ctx, 'create_data_test')
self.assertEqual(dbwr.watch_data[0].data, data)
# Note, would be good to write another datapoint and check it
# but sqlite seems to not interpret the backreference correctly
# so dbwr.watch_data is always a list containing only the latest
# datapoint. In non-test use on mysql this is not the case, we
# correctly get a list of all datapoints where watch_rule_id ==
# watch_rule.id, so leave it as a single-datapoint test for now.
# Cleanup
db_api.watch_rule_delete(self.ctx, 'create_data_test')
def test_set_watch_state(self):
# Insert dummy watch rule into the DB
values = {
"stack_name": u"wordpress_ha",
"state": "NORMAL",
"name": u"OverrideAlarm",
"rule": {
u"EvaluationPeriods": u"1",
u"AlarmActions": [u"WebServerRestartPolicy"],
u"AlarmDescription": u"Restart the WikiDatabase",
u"Namespace": u"system/linux",
u"Period": u"300",
u"ComparisonOperator": u"GreaterThanThreshold",
u"Statistic": u"SampleCount",
u"Threshold": u"2",
u"MetricName": u"ServiceFailure",
},
}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
for state in watchrule.WatchRule.WATCH_STATES:
result = self.man.set_watch_state(self.ctx, watch_name="OverrideAlarm", state=state)
self.assertNotEqual(result, None)
self.assertEqual(result[engine_api.WATCH_STATE_VALUE], state)
# Cleanup, delete the dummy rule
db_api.watch_rule_delete(self.ctx, "OverrideAlarm")
def test_load(self):
# Insert two dummy watch rules into the DB
values = {'stack_id': self.stack_id,
'state': 'NORMAL',
'name': u'HttpFailureAlarm',
'rule': {u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'}}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
values['name'] = 'AnotherWatch'
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
# Then use WatchRule.load() to retrieve each by name
# and check that the object properties match the data above
for wn in ('HttpFailureAlarm', 'AnotherWatch'):
wr = watchrule.WatchRule.load(self.ctx, wn)
self.assertEqual(type(wr), watchrule.WatchRule)
self.assertEqual(wr.name, wn)
self.assertEqual(wr.state, values['state'])
self.assertEqual(wr.rule, values['rule'])
self.assertEqual(wr.timeperiod, datetime.timedelta(
seconds=int(values['rule']['Period'])))
# Cleanup
db_api.watch_rule_delete(self.ctx, 'HttpFailureAlarm')
db_api.watch_rule_delete(self.ctx, 'AnotherWatch')
def test_set_watch_state_badstate(self):
# Insert dummy watch rule into the DB
values = {
"stack_name": u"wordpress_ha",
"state": "NORMAL",
"name": u"OverrideAlarm2",
"rule": {
u"EvaluationPeriods": u"1",
u"AlarmActions": [u"WebServerRestartPolicy"],
u"AlarmDescription": u"Restart the WikiDatabase",
u"Namespace": u"system/linux",
u"Period": u"300",
u"ComparisonOperator": u"GreaterThanThreshold",
u"Statistic": u"SampleCount",
u"Threshold": u"2",
u"MetricName": u"ServiceFailure",
},
}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
for state in ["HGJHGJHG", "1234", "!\*(&%"]:
self.assertRaises(
AttributeError, self.man.set_watch_state, self.ctx, watch_name="OverrideAlarm2", state=state
)
# Cleanup, delete the dummy rule
db_api.watch_rule_delete(self.ctx, "OverrideAlarm2")
def test_set_watch_state_badstate(self):
# Insert dummy watch rule into the DB
values = {
'stack_id': self.stack.id,
'state': 'NORMAL',
'name': u'OverrideAlarm2',
'rule': {
u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'
}
}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
for state in ["HGJHGJHG", "1234", "!\*(&%"]:
self.assertRaises(ValueError,
self.man.set_watch_state,
self.ctx,
watch_name="OverrideAlarm2",
state=state)
# Cleanup, delete the dummy rule
db_api.watch_rule_delete(self.ctx, "OverrideAlarm2")
def test_set_watch_state_badstate(self):
# Insert dummy watch rule into the DB
values = {'stack_name': u'wordpress_ha', 'state': 'NORMAL',
'name': u'OverrideAlarm2',
'rule': {
u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'}}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
for state in ["HGJHGJHG", "1234", "!\*(&%"]:
self.assertRaises(AttributeError,
self.man.set_watch_state,
self.ctx, watch_name="OverrideAlarm2",
state=state)
# Cleanup, delete the dummy rule
db_api.watch_rule_delete(self.ctx, "OverrideAlarm2")
def test_store(self):
rule = {
u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'
}
wr = watchrule.WatchRule(context=self.ctx,
watch_name='storetest',
stack_id=self.stack_id,
rule=rule)
wr.store()
dbwr = db_api.watch_rule_get_by_name(self.ctx, 'storetest')
self.assertNotEqual(dbwr, None)
self.assertEqual(dbwr.name, 'storetest')
self.assertEqual(dbwr.state, watchrule.WatchRule.NORMAL)
self.assertEqual(dbwr.rule, rule)
# Cleanup
db_api.watch_rule_delete(self.ctx, 'storetest')
def test_create_watch_data(self):
rule = {u'EvaluationPeriods': u'1',
u'AlarmDescription': u'test alarm',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'CreateDataMetric'}
wr = watchrule.WatchRule(context=self.ctx,
watch_name='create_data_test',
stack_id=self.stack_id, rule=rule)
wr.store()
data = {u'CreateDataMetric': {"Unit": "Counter",
"Value": "1",
"Dimensions": []}}
wr.create_watch_data(data)
dbwr = db_api.watch_rule_get_by_name(self.ctx, 'create_data_test')
self.assertEqual(dbwr.watch_data[0].data, data)
# Note, would be good to write another datapoint and check it
# but sqlite seems to not interpret the backreference correctly
# so dbwr.watch_data is always a list containing only the latest
# datapoint. In non-test use on mysql this is not the case, we
# correctly get a list of all datapoints where watch_rule_id ==
# watch_rule.id, so leave it as a single-datapoint test for now.
# Cleanup
db_api.watch_rule_delete(self.ctx, 'create_data_test')
def test_load(self):
# Insert two dummy watch rules into the DB
values = {'stack_id': self.stack_id,
'state': 'NORMAL',
'name': u'HttpFailureAlarm',
'rule': {u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'}}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
values['name'] = 'AnotherWatch'
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
# Then use WatchRule.load() to retrieve each by name
# and check that the object properties match the data above
for wn in ('HttpFailureAlarm', 'AnotherWatch'):
wr = watchrule.WatchRule.load(self.ctx, wn)
self.assertEqual(type(wr), watchrule.WatchRule)
self.assertEqual(wr.name, wn)
self.assertEqual(wr.state, values['state'])
self.assertEqual(wr.rule, values['rule'])
self.assertEqual(wr.timeperiod, datetime.timedelta(
seconds=int(values['rule']['Period'])))
# Cleanup
db_api.watch_rule_delete(self.ctx, 'HttpFailureAlarm')
db_api.watch_rule_delete(self.ctx, 'AnotherWatch')
def test_set_watch_state(self):
# Insert dummy watch rule into the DB
values = {
'stack_id': self.stack.id,
'state': 'NORMAL',
'name': u'OverrideAlarm',
'rule': {
u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'
}
}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
class DummyAction:
alarm = "dummyfoo"
dummy_action = DummyAction()
self.m.StubOutWithMock(parser.Stack, '__getitem__')
parser.Stack.__getitem__('WebServerRestartPolicy').AndReturn(
dummy_action)
# Replace the real stack threadgroup with a dummy one, so we can
# check the function returned on ALARM is correctly scheduled
self.man.stg[self.stack.id] = DummyThreadGroup()
self.m.ReplayAll()
state = watchrule.WatchRule.NODATA
result = self.man.set_watch_state(self.ctx,
watch_name="OverrideAlarm",
state=state)
self.assertEqual(result[engine_api.WATCH_STATE_VALUE], state)
self.assertEqual(self.man.stg[self.stack.id].threads, [])
state = watchrule.WatchRule.NORMAL
result = self.man.set_watch_state(self.ctx,
watch_name="OverrideAlarm",
state=state)
self.assertEqual(result[engine_api.WATCH_STATE_VALUE], state)
self.assertEqual(self.man.stg[self.stack.id].threads, [])
state = watchrule.WatchRule.ALARM
result = self.man.set_watch_state(self.ctx,
watch_name="OverrideAlarm",
state=state)
self.assertEqual(result[engine_api.WATCH_STATE_VALUE], state)
self.assertEqual(self.man.stg[self.stack.id].threads,
[DummyAction.alarm])
# Cleanup, delete the dummy rule
db_api.watch_rule_delete(self.ctx, "OverrideAlarm")
def test_show_watch_metric(self):
# Insert dummy watch rule into the DB
values = {
'stack_id': self.stack.id,
'state': 'NORMAL',
'name': u'HttpFailureAlarm',
'rule': {
u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'
}
}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
# And add a metric datapoint
watch = db_api.watch_rule_get_by_name(self.ctx, "HttpFailureAlarm")
self.assertNotEqual(watch, None)
values = {
'watch_rule_id': watch.id,
'data': {
u'Namespace': u'system/linux',
u'ServiceFailure': {
u'Units': u'Counter',
u'Value': 1
}
}
}
watch = db_api.watch_data_create(self.ctx, values)
# Check there is one result returned
result = self.man.show_watch_metric(self.ctx,
namespace=None,
metric_name=None)
self.assertEqual(1, len(result))
# Create another metric datapoint and check we get two
watch = db_api.watch_data_create(self.ctx, values)
result = self.man.show_watch_metric(self.ctx,
namespace=None,
metric_name=None)
self.assertEqual(2, len(result))
# Cleanup, delete the dummy rule
db_api.watch_rule_delete(self.ctx, "HttpFailureAlarm")
# Check the response has all keys defined in the engine API
for key in engine_api.WATCH_DATA_KEYS:
self.assertTrue(key in result[0])
def test_set_watch_state(self):
# Insert dummy watch rule into the DB
values = {'stack_id': self.stack.id,
'state': 'NORMAL',
'name': u'OverrideAlarm',
'rule': {u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'}}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
class DummyAction:
alarm = "dummyfoo"
dummy_action = DummyAction()
self.m.StubOutWithMock(parser.Stack, '__getitem__')
parser.Stack.__getitem__(
'WebServerRestartPolicy').AndReturn(dummy_action)
# Replace the real stack threadgroup with a dummy one, so we can
# check the function returned on ALARM is correctly scheduled
self.man.stg[self.stack.id] = DummyThreadGroup()
self.m.ReplayAll()
state = watchrule.WatchRule.NODATA
result = self.man.set_watch_state(self.ctx,
watch_name="OverrideAlarm",
state=state)
self.assertEqual(result[engine_api.WATCH_STATE_VALUE], state)
self.assertEqual(self.man.stg[self.stack.id].threads, [])
state = watchrule.WatchRule.NORMAL
result = self.man.set_watch_state(self.ctx,
watch_name="OverrideAlarm",
state=state)
self.assertEqual(result[engine_api.WATCH_STATE_VALUE], state)
self.assertEqual(self.man.stg[self.stack.id].threads, [])
state = watchrule.WatchRule.ALARM
result = self.man.set_watch_state(self.ctx,
watch_name="OverrideAlarm",
state=state)
self.assertEqual(result[engine_api.WATCH_STATE_VALUE], state)
self.assertEqual(self.man.stg[self.stack.id].threads,
[DummyAction.alarm])
# Cleanup, delete the dummy rule
db_api.watch_rule_delete(self.ctx, "OverrideAlarm")
def test_show_watch_metric(self):
# Insert dummy watch rule into the DB
values = {'stack_id': self.stack.id,
'state': 'NORMAL',
'name': u'HttpFailureAlarm',
'rule': {
u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'}}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
# And add a metric datapoint
watch = db_api.watch_rule_get_by_name(self.ctx, "HttpFailureAlarm")
self.assertNotEqual(watch, None)
values = {'watch_rule_id': watch.id,
'data': {
u'Namespace': u'system/linux',
u'ServiceFailure': {
u'Units': u'Counter', u'Value': 1}}}
watch = db_api.watch_data_create(self.ctx, values)
# Check there is one result returned
result = self.man.show_watch_metric(self.ctx, namespace=None,
metric_name=None)
self.assertEqual(1, len(result))
# Create another metric datapoint and check we get two
watch = db_api.watch_data_create(self.ctx, values)
result = self.man.show_watch_metric(self.ctx, namespace=None,
metric_name=None)
self.assertEqual(2, len(result))
# Cleanup, delete the dummy rule
db_api.watch_rule_delete(self.ctx, "HttpFailureAlarm")
# Check the response has all keys defined in the engine API
for key in engine_api.WATCH_DATA_KEYS:
self.assertTrue(key in result[0])
def test_show_watch(self):
# Insert two dummy watch rules into the DB
values = {
'stack_id': self.stack.id,
'state': 'NORMAL',
'name': u'HttpFailureAlarm',
'rule': {
u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'
}
}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
values['name'] = "AnotherWatch"
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
# watch_name=None should return both watches
result = self.man.show_watch(self.ctx, watch_name=None)
self.assertEqual(2, len(result))
# watch_name="HttpFailureAlarm" should return only one
result = self.man.show_watch(self.ctx, watch_name="HttpFailureAlarm")
self.assertEqual(1, len(result))
self.assertRaises(exception.WatchRuleNotFound,
self.man.show_watch,
self.ctx,
watch_name="nonexistent")
# Check the response has all keys defined in the engine API
for key in engine_api.WATCH_KEYS:
self.assertTrue(key in result[0])
# Cleanup, delete the dummy rules
db_api.watch_rule_delete(self.ctx, "HttpFailureAlarm")
db_api.watch_rule_delete(self.ctx, "AnotherWatch")
def test_show_watch(self):
# Insert two dummy watch rules into the DB
values = {'stack_id': self.stack.id,
'state': 'NORMAL',
'name': u'HttpFailureAlarm',
'rule': {
u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'}}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
values['name'] = "AnotherWatch"
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
# watch_name=None should return both watches
result = self.man.show_watch(self.ctx, watch_name=None)
self.assertEqual(2, len(result))
# watch_name="HttpFailureAlarm" should return only one
result = self.man.show_watch(self.ctx, watch_name="HttpFailureAlarm")
self.assertEqual(1, len(result))
# watch_name="nonexistent" should raise an AttributeError
self.assertRaises(AttributeError,
self.man.show_watch,
self.ctx, watch_name="nonexistent")
# Check the response has all keys defined in the engine API
for key in engine_api.WATCH_KEYS:
self.assertTrue(key in result[0])
# Cleanup, delete the dummy rules
db_api.watch_rule_delete(self.ctx, "HttpFailureAlarm")
db_api.watch_rule_delete(self.ctx, "AnotherWatch")
def test_store(self):
rule = {u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'}
wr = watchrule.WatchRule(context=self.ctx, watch_name='storetest',
stack_id=self.stack_id, rule=rule)
wr.store()
dbwr = db_api.watch_rule_get_by_name(self.ctx, 'storetest')
self.assertNotEqual(dbwr, None)
self.assertEqual(dbwr.name, 'storetest')
self.assertEqual(dbwr.state, watchrule.WatchRule.NODATA)
self.assertEqual(dbwr.rule, rule)
# Cleanup
db_api.watch_rule_delete(self.ctx, 'storetest')
def test_set_watch_state(self):
# Insert dummy watch rule into the DB
values = {'stack_id': self.stack.id,
'state': 'NORMAL',
'name': u'OverrideAlarm',
'rule': {
u'EvaluationPeriods': u'1',
u'AlarmActions': [u'WebServerRestartPolicy'],
u'AlarmDescription': u'Restart the WikiDatabase',
u'Namespace': u'system/linux',
u'Period': u'300',
u'ComparisonOperator': u'GreaterThanThreshold',
u'Statistic': u'SampleCount',
u'Threshold': u'2',
u'MetricName': u'ServiceFailure'}}
db_ret = db_api.watch_rule_create(self.ctx, values)
self.assertNotEqual(db_ret, None)
class DummyAction:
alarm = "dummyfoo"
self.m.StubOutWithMock(parser.Stack, '__getitem__')
parser.Stack.__getitem__(
'WebServerRestartPolicy').AndReturn(DummyAction())
self.m.StubOutWithMock(watchrule.greenpool, 'spawn_n')
watchrule.greenpool.spawn_n("dummyfoo").AndReturn(None)
self.m.ReplayAll()
for state in watchrule.WatchRule.WATCH_STATES:
result = self.man.set_watch_state(self.ctx,
watch_name="OverrideAlarm",
state=state)
self.assertNotEqual(result, None)
self.assertEqual(result[engine_api.WATCH_STATE_VALUE], state)
# Cleanup, delete the dummy rule
db_api.watch_rule_delete(self.ctx, "OverrideAlarm")