def test_error_marking_dirty(self):
"""An error is logged when marking dirty fails."""
svc = ConvergenceStarter('my-dispatcher')
log = mock_log()
def perform(dispatcher, eff):
return fail(RuntimeError('oh no'))
d = svc.start_convergence(log, 'tenant', 'group', perform=perform)
self.assertEqual(self.successResultOf(d), None)
log.err.assert_called_once_with(
CheckFailureValue(RuntimeError('oh no')),
'mark-dirty-failure', tenant_id='tenant', scaling_group_id='group')
def test_start_convergence(self):
"""Starting convergence marks dirty and logs a message."""
svc = ConvergenceStarter('my-dispatcher')
log = mock_log()
def perform(dispatcher, eff):
return succeed((dispatcher, eff))
d = svc.start_convergence(log, 'tenant', 'group', perform=perform)
self.assertEqual(
self.successResultOf(d),
('my-dispatcher',
Effect(CreateOrSet(path='/groups/divergent/tenant_group',
content='dirty'))))
log.msg.assert_called_once_with(
'mark-dirty-success', tenant_id='tenant', scaling_group_id='group')