charm-neutron-gateway/unit_tests/test_quantum_contexts.py
2013-10-15 09:27:59 +01:00

240 lines
8.2 KiB
Python

from mock import MagicMock, patch
import quantum_contexts
from contextlib import contextmanager
from test_utils import (
CharmTestCase
)
TO_PATCH = [
'config',
'relation_get',
'relation_ids',
'related_units',
'context_complete',
'unit_get',
'apt_install',
'get_os_codename_install_source',
]
@contextmanager
def patch_open():
'''Patch open() to allow mocking both open() itself and the file that is
yielded.
Yields the mock for "open" and "file", respectively.'''
mock_open = MagicMock(spec=open)
mock_file = MagicMock(spec=file)
@contextmanager
def stub_open(*args, **kwargs):
mock_open(*args, **kwargs)
yield mock_file
with patch('__builtin__.open', stub_open):
yield mock_open, mock_file
class _TestQuantumContext(CharmTestCase):
def setUp(self):
super(_TestQuantumContext, self).setUp(quantum_contexts, TO_PATCH)
self.config.side_effect = self.test_config.get
def test_not_related(self):
self.relation_ids.return_value = []
self.assertEquals(self.context(), {})
def test_no_units(self):
self.relation_ids.return_value = []
self.relation_ids.return_value = ['foo']
self.related_units.return_value = []
self.assertEquals(self.context(), {})
def test_no_data(self):
self.relation_ids.return_value = ['foo']
self.related_units.return_value = ['bar']
self.relation_get.side_effect = self.test_relation.get
self.context_complete.return_value = False
self.assertEquals(self.context(), {})
def test_data_multi_unit(self):
self.relation_ids.return_value = ['foo']
self.related_units.return_value = ['bar', 'baz']
self.context_complete.return_value = True
self.relation_get.side_effect = self.test_relation.get
self.assertEquals(self.context(), self.data_result)
def test_data_single_unit(self):
self.relation_ids.return_value = ['foo']
self.related_units.return_value = ['bar']
self.context_complete.return_value = True
self.relation_get.side_effect = self.test_relation.get
self.assertEquals(self.context(), self.data_result)
class TestQuantumSharedDBContext(_TestQuantumContext):
def setUp(self):
super(TestQuantumSharedDBContext, self).setUp()
self.context = quantum_contexts.QuantumSharedDBContext()
self.test_relation.set(
{'db_host': '10.5.0.1',
'nova_password': 'novapass',
'quantum_password': 'quantumpass'}
)
self.data_result = {
'database_host': '10.5.0.1',
'nova_user': 'nova',
'nova_password': 'novapass',
'nova_db': 'nova',
'quantum_user': 'quantum',
'quantum_password': 'quantumpass',
'quantum_db': 'quantum'
}
class TestNetworkServiceContext(_TestQuantumContext):
def setUp(self):
super(TestNetworkServiceContext, self).setUp()
self.context = quantum_contexts.NetworkServiceContext()
self.test_relation.set(
{'keystone_host': '10.5.0.1',
'service_port': '5000',
'auth_port': '20000',
'service_tenant': 'tenant',
'service_username': 'username',
'service_password': 'password',
'quantum_host': '10.5.0.2',
'quantum_port': '9696',
'quantum_url': 'http://10.5.0.2:9696/v2',
'region': 'aregion'}
)
self.data_result = {
'keystone_host': '10.5.0.1',
'service_port': '5000',
'auth_port': '20000',
'service_tenant': 'tenant',
'service_username': 'username',
'service_password': 'password',
'quantum_host': '10.5.0.2',
'quantum_port': '9696',
'quantum_url': 'http://10.5.0.2:9696/v2',
'region': 'aregion',
'service_protocol': 'http',
'auth_protocol': 'http',
}
class TestExternalPortContext(CharmTestCase):
def setUp(self):
super(TestExternalPortContext, self).setUp(quantum_contexts,
TO_PATCH)
def test_no_ext_port(self):
self.config.return_value = None
self.assertEquals(quantum_contexts.ExternalPortContext()(),
None)
def test_ext_port(self):
self.config.return_value = 'eth1010'
self.assertEquals(quantum_contexts.ExternalPortContext()(),
{'ext_port': 'eth1010'})
class TestQuantumGatewayContext(CharmTestCase):
def setUp(self):
super(TestQuantumGatewayContext, self).setUp(quantum_contexts,
TO_PATCH)
@patch.object(quantum_contexts, 'get_shared_secret')
@patch.object(quantum_contexts, 'get_host_ip')
def test_all(self, _host_ip, _secret):
self.config.return_value = 'ovs'
self.get_os_codename_install_source.return_value = 'folsom'
_host_ip.return_value = '10.5.0.1'
_secret.return_value = 'testsecret'
self.assertEquals(quantum_contexts.QuantumGatewayContext()(), {
'shared_secret': 'testsecret',
'local_ip': '10.5.0.1',
'core_plugin': "quantum.plugins.openvswitch.ovs_quantum_plugin."
"OVSQuantumPluginV2",
'plugin': 'ovs'
})
class TestSharedSecret(CharmTestCase):
def setUp(self):
super(TestSharedSecret, self).setUp(quantum_contexts,
TO_PATCH)
self.config.side_effect = self.test_config.get
@patch('os.path')
@patch('uuid.uuid4')
def test_secret_created_stored(self, _uuid4, _path):
_path.exists.return_value = False
_uuid4.return_value = 'secret_thing'
with patch_open() as (_open, _file):
self.assertEquals(quantum_contexts.get_shared_secret(),
'secret_thing')
_open.assert_called_with(
quantum_contexts.SHARED_SECRET.format('quantum'), 'w')
_file.write.assert_called_with('secret_thing')
@patch('os.path')
def test_secret_retrieved(self, _path):
_path.exists.return_value = True
with patch_open() as (_open, _file):
_file.read.return_value = 'secret_thing\n'
self.assertEquals(quantum_contexts.get_shared_secret(),
'secret_thing')
_open.assert_called_with(
quantum_contexts.SHARED_SECRET.format('quantum'), 'r')
class TestHostIP(CharmTestCase):
def setUp(self):
super(TestHostIP, self).setUp(quantum_contexts,
TO_PATCH)
self.config.side_effect = self.test_config.get
def test_get_host_ip_already_ip(self):
self.assertEquals(quantum_contexts.get_host_ip('10.5.0.1'),
'10.5.0.1')
def test_get_host_ip_noarg(self):
self.unit_get.return_value = "10.5.0.1"
self.assertEquals(quantum_contexts.get_host_ip(),
'10.5.0.1')
@patch('dns.resolver.query')
def test_get_host_ip_hostname_unresolvable(self, _query):
class NXDOMAIN(Exception):
pass
_query.side_effect = NXDOMAIN()
self.assertRaises(NXDOMAIN, quantum_contexts.get_host_ip,
'missing.example.com')
@patch('dns.resolver.query')
def test_get_host_ip_hostname_resolvable(self, _query):
data = MagicMock()
data.address = '10.5.0.1'
_query.return_value = [data]
self.assertEquals(quantum_contexts.get_host_ip('myhost.example.com'),
'10.5.0.1')
_query.assert_called_with('myhost.example.com', 'A')
class TestNetworkingName(CharmTestCase):
def setUp(self):
super(TestNetworkingName,
self).setUp(quantum_contexts,
TO_PATCH)
def test_lt_havana(self):
self.get_os_codename_install_source.return_value = 'folsom'
self.assertEquals(quantum_contexts.networking_name(), 'quantum')
def test_ge_havana(self):
self.get_os_codename_install_source.return_value = 'havana'
self.assertEquals(quantum_contexts.networking_name(), 'neutron')