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unit_tests/test_neutron_ovs_hooks.py
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from mock import MagicMock, patch, call
 
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import yaml
 
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from test_utils import CharmTestCase
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with patch('charmhelpers.core.hookenv.config') as config:
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    config.return_value = 'neutron'
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    import neutron_ovs_utils as utils
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TO_PATCH = [
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    'apt_update',
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    'apt_install',
 
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    'apt_purge',
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    'config',
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    'CONFIGS',
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    'determine_packages',
 
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    'determine_dvr_packages',
 
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    'get_shared_secret',
 
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    'git_install',
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    'log',
 
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    'relation_ids',
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    'relation_set',
 
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    'configure_ovs',
 
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    'use_dvr',
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]
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NEUTRON_CONF_DIR = "/etc/neutron"
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        hooks.hooks.execute([
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            'hooks/{}'.format(hookname)])
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    def test_install_hook(self):
 
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    @patch.object(hooks, 'git_install_requested')
 
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    def test_install_hook(self, git_requested):
 
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        git_requested.return_value = False
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        _pkgs = ['foo', 'bar']
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        self.determine_packages.return_value = [_pkgs]
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        self._call_hook('install')
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            call(_pkgs, fatal=True),
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        ])
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    def test_config_changed(self):
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        self._call_hook('config-changed')
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        self.assertTrue(self.CONFIGS.write_all.called)
 
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    @patch.object(hooks, 'git_install_requested')
 
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    def test_install_hook_git(self, git_requested):
 
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        git_requested.return_value = True
 
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        _pkgs = ['foo', 'bar']
 
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        self.determine_packages.return_value = _pkgs
 
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        openstack_origin_git = {
 
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            'repositories': [
 
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                {'name': 'requirements',
 
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                 'repository': 'git://git.openstack.org/openstack/requirements',  # noqa
 
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                 'branch': 'stable/juno'},
 
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                {'name': 'neutron',
 
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                 'repository': 'git://git.openstack.org/openstack/neutron',
 
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                 'branch': 'stable/juno'}
 
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            ],
 
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            'directory': '/mnt/openstack-git',
 
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        }
 
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        projects_yaml = yaml.dump(openstack_origin_git)
 
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        self.test_config.set('openstack-origin-git', projects_yaml)
 
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        self._call_hook('install')
 
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        self.apt_update.assert_called_with()
 
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        self.assertTrue(self.determine_packages)
 
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        self.git_install.assert_called_with(projects_yaml)
 
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    @patch.object(hooks, 'git_install_requested')
 
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    def test_config_changed(self, git_requested):
 
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        git_requested.return_value = False
 
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        self.relation_ids.return_value = ['relid']
 
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        _zmq_joined = self.patch('zeromq_configuration_relation_joined')
 
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        self._call_hook('config-changed')
 
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        self.assertTrue(self.CONFIGS.write_all.called)
 
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        self.assertTrue(_zmq_joined.called_with('relid'))
 
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        self.configure_ovs.assert_called_with()
 
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    @patch.object(hooks, 'git_install_requested')
 
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    @patch.object(hooks, 'config_value_changed')
 
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    def test_config_changed_git(self, config_val_changed, git_requested):
 
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        git_requested.return_value = True
 
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        self.relation_ids.return_value = ['relid']
 
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        _zmq_joined = self.patch('zeromq_configuration_relation_joined')
 
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        openstack_origin_git = {
 
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            'repositories': [
 
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                {'name': 'requirements',
 
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                 'repository':
 
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                 'git://git.openstack.org/openstack/requirements',
 
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                 'branch': 'stable/juno'},
 
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                {'name': 'neutron',
 
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                 'repository': 'git://git.openstack.org/openstack/neutron',
 
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                 'branch': 'stable/juno'}
 
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            ],
 
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            'directory': '/mnt/openstack-git',
 
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        }
 
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        projects_yaml = yaml.dump(openstack_origin_git)
 
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        self.test_config.set('openstack-origin-git', projects_yaml)
 
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        self._call_hook('config-changed')
 
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        self.git_install.assert_called_with(projects_yaml)
 
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        self.assertTrue(self.CONFIGS.write_all.called)
 
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        self.assertTrue(_zmq_joined.called_with('relid'))
 
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        self.configure_ovs.assert_called_with()
 
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    @patch.object(hooks, 'git_install_requested')
 
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    def test_config_changed_dvr(self, git_requested):
 
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        git_requested.return_value = False
 
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        self.determine_dvr_packages.return_value = ['dvr']
 
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        self._call_hook('config-changed')
 
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        self.apt_update.assert_called_with()
 
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        self.assertTrue(self.CONFIGS.write_all.called)
 
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        self.apt_install.assert_has_calls([
 
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            call(['dvr'], fatal=True),
 
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        ])
 
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        self.configure_ovs.assert_called_with()
 
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    @patch.object(hooks, 'neutron_plugin_joined')
 
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    def test_neutron_plugin_api(self, _plugin_joined):
 
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        self.relation_ids.return_value = ['rid']
 
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        self._call_hook('neutron-plugin-api-relation-changed')
 
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        self.configure_ovs.assert_called_with()
 
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        self.assertTrue(self.CONFIGS.write_all.called)
 
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        _plugin_joined.assert_called_with(relation_id='rid')
 
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    @patch.object(hooks, 'git_install_requested')
 
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    def test_neutron_plugin_joined(self, git_requested):
 
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        git_requested.return_value = False
 
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        self.get_shared_secret.return_value = 'secret'
 
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        self._call_hook('neutron-plugin-relation-joined')
 
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        rel_data = {
 
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            'metadata-shared-secret': 'secret',
 
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        }
 
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        self.relation_set.assert_called_with(
 
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            relation_id=None,
 
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            **rel_data
 
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        )
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    def test_amqp_joined(self):
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        self._call_hook('amqp-relation-joined')