charm-neutron-gateway/unit_tests/test_quantum_hooks.py

144 lines
4.6 KiB
Python

from mock import MagicMock, patch, call
import quantum_utils as utils
_register_configs = utils.register_configs
_restart_map = utils.restart_map
utils.register_configs = MagicMock()
utils.restart_map = MagicMock()
import quantum_hooks as hooks
utils.register_configs = _register_configs
utils.restart_map = _restart_map
from test_utils import CharmTestCase
TO_PATCH = [
'config',
'configure_installation_source',
'valid_plugin',
'apt_update',
'apt_install',
'filter_installed_packages',
'get_early_packages',
'get_packages',
'log',
'do_openstack_upgrade',
'openstack_upgrade_available',
'CONFIGS',
'configure_ovs',
'relation_set',
'unit_get',
'relation_get',
'install_ca_cert',
'eligible_leader',
'reassign_agent_resources',
'get_common_package'
]
class TestQuantumHooks(CharmTestCase):
def setUp(self):
super(TestQuantumHooks, self).setUp(hooks, TO_PATCH)
self.config.side_effect = self.test_config.get
self.test_config.set('openstack-origin', 'cloud:precise-havana')
self.test_config.set('plugin', 'ovs')
def _call_hook(self, hookname):
hooks.hooks.execute([
'hooks/{}'.format(hookname)])
def test_install_hook(self):
self.valid_plugin.return_value = True
_pkgs = ['foo', 'bar']
self.filter_installed_packages.return_value = _pkgs
self._call_hook('install')
self.configure_installation_source.assert_called_with(
'cloud:precise-havana'
)
self.apt_update.assert_called_with(fatal=True)
self.apt_install.assert_has_calls([
call(_pkgs, fatal=True),
call(_pkgs, fatal=True),
])
self.get_early_packages.assert_called()
self.get_packages.assert_called()
@patch('sys.exit')
def test_install_hook_invalid_plugin(self, _exit):
self.valid_plugin.return_value = False
self._call_hook('install')
self.log.assert_called()
_exit.assert_called_with(1)
def test_config_changed_upgrade(self):
self.openstack_upgrade_available.return_value = True
self.valid_plugin.return_value = True
self._call_hook('config-changed')
self.do_openstack_upgrade.assert_called_with(self.CONFIGS)
self.CONFIGS.write_all.assert_called()
self.configure_ovs.assert_called()
@patch('sys.exit')
def test_config_changed_invalid_plugin(self, _exit):
self.valid_plugin.return_value = False
self._call_hook('config-changed')
self.log.assert_called()
_exit.assert_called_with(1)
def test_upgrade_charm(self):
_install = self.patch('install')
_config_changed = self.patch('config_changed')
self._call_hook('upgrade-charm')
_install.assert_called()
_config_changed.assert_called()
def test_db_joined(self):
self.unit_get.return_value = 'myhostname'
self._call_hook('shared-db-relation-joined')
self.relation_set.assert_called_with(
quantum_username='quantum',
quantum_database='quantum',
quantum_hostname='myhostname',
nova_username='nova',
nova_database='nova',
nova_hostname='myhostname',
)
def test_amqp_joined(self):
self._call_hook('amqp-relation-joined')
self.relation_set.assert_called_with(
username='nova',
vhost='nova',
)
def test_amqp_changed(self):
self._call_hook('amqp-relation-changed')
self.CONFIGS.write_all.assert_called()
def test_shared_db_changed(self):
self._call_hook('shared-db-relation-changed')
self.CONFIGS.write_all.assert_called()
def test_nm_changed(self):
self.relation_get.return_value = "cert"
self._call_hook('quantum-network-service-relation-changed')
self.CONFIGS.write_all.assert_called()
self.install_ca_cert.assert_called_with('cert')
def test_cluster_departed_nvp(self):
self.test_config.set('plugin', 'nvp')
self._call_hook('cluster-relation-departed')
self.log.assert_called()
self.eligible_leader.assert_not_called()
self.reassign_agent_resources.assert_not_called()
def test_cluster_departed_ovs_not_leader(self):
self.eligible_leader.return_value = False
self._call_hook('cluster-relation-departed')
self.reassign_agent_resources.assert_not_called()
def test_cluster_departed_ovs_leader(self):
self.eligible_leader.return_value = True
self._call_hook('cluster-relation-departed')
self.reassign_agent_resources.assert_called()