As part of updating oslo.messaging to move it out of the oslo namespace package
I ran into some issues with heat. While debugging, I tried running the heat
unit tests using the modified version of oslo.messaging and ran into test
failures because the tests are mocking private parts of the library that are
moving to have new names.
Mocking internal parts of Oslo libraries isn’t supported, and so I need someone
from the heat team to work with me to fix the heat tests and possibly add
missing fixtures to oslo.messaging to avoid breaking heat when we release the
updated oslo.messaging. I tried raising attention on IRC in #heat but I think
I’m in the wrong timezone compared to most of the heat devs.
Here’s an example of one of the failing tests:
======================================================================
FAIL:
heat.tests.test_stack_lock.StackLockTest.test_failed_acquire_existing_lock_engine_alive
tags: worker-3
----------------------------------------------------------------------
Traceback (most recent call last):
File "heat/tests/test_stack_lock.py", line 84, in
test_failed_acquire_existing_lock_engine_alive
self.m.StubOutWithMock(messaging.rpc.client._CallContext, "call")
AttributeError: 'module' object has no attribute '_CallContext'
Traceback (most recent call last):
_StringException: Empty attachments:
pythonlogging:'alembic'
pythonlogging:'cliff'
pythonlogging:'heat-provision'
pythonlogging:'heat_integrationtests'
pythonlogging:'heatclient'
pythonlogging:'iso8601'
pythonlogging:'keystoneclient'
pythonlogging:'migrate'
pythonlogging:'neutronclient'
pythonlogging:'novaclient'
pythonlogging:'oslo'
pythonlogging:'oslo_config'
pythonlogging:'oslo_messaging'
pythonlogging:'requests'
pythonlogging:'routes'
pythonlogging:'saharaclient'
pythonlogging:'sqlalchemy'
pythonlogging:'stevedore'
pythonlogging:'swiftclient'
pythonlogging:'troveclient'
pythonlogging:'': {{{WARNING [heat.engine.environment] Changing
AWS::CloudWatch::Alarm from OS::Heat::CWLiteAlarm to OS::Heat::CWLiteAlarm}}}
Traceback (most recent call last):
File "heat/tests/test_stack_lock.py", line 84, in
test_failed_acquire_existing_lock_engine_alive
self.m.StubOutWithMock(messaging.rpc.client._CallContext, "call")
AttributeError: 'module' object has no attribute '_CallContext'
Traceback (most recent call last):
_StringException: Empty attachments:
pythonlogging:'alembic'
pythonlogging:'cliff'
pythonlogging:'heat-provision'
pythonlogging:'heat_integrationtests'
pythonlogging:'heatclient'
pythonlogging:'iso8601'
pythonlogging:'keystoneclient'
pythonlogging:'migrate'
pythonlogging:'neutronclient'
pythonlogging:'novaclient'
pythonlogging:'oslo'
pythonlogging:'oslo_config'
pythonlogging:'oslo_messaging'
pythonlogging:'requests'
pythonlogging:'routes'
pythonlogging:'saharaclient'
pythonlogging:'sqlalchemy'
pythonlogging:'stevedore'
pythonlogging:'swiftclient'
pythonlogging:'troveclient'
pythonlogging:'': {{{WARNING [heat.engine.environment] Changing
AWS::CloudWatch::Alarm from OS::Heat::CWLiteAlarm to OS::Heat::CWLiteAlarm}}}
Traceback (most recent call last):
File "heat/tests/test_stack_lock.py", line 84, in
test_failed_acquire_existing_lock_engine_alive
self.m.StubOutWithMock(messaging.rpc.client._CallContext, "call")
AttributeError: 'module' object has no attribute ‘_CallContext'
That class _CallContext isn’t part of the public API for oslo.messaging, and so
it is not being exposed through the redirect modules I’m creating for backwards
compatibility. We need to look for a way to create a fixture to do whatever it
is these tests are trying to do — I don’t understand the tests, which is why I
need a heat developer to help out.
Doug
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