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from mock import patch
import ceilometer_contexts as contexts
import ceilometer_utils as utils
from test_utils import CharmTestCase, mock_open
TO_PATCH = [
'config',
'relation_get',
'relation_ids',
'related_units',
'os_release',
]
class CeilometerContextsTest(CharmTestCase):
def setUp(self):
super(CeilometerContextsTest, self).setUp(contexts, TO_PATCH)
self.config.side_effect = self.test_config.get
self.relation_get.side_effect = self.test_relation.get
def tearDown(self):
super(CeilometerContextsTest, self).tearDown()
def test_logging_context(self):
self.test_config.set('debug', False)
self.test_config.set('verbose', False)
self.assertEquals(contexts.LoggingConfigContext()(),
{'debug': False, 'verbose': False})
self.test_config.set('debug', True)
self.test_config.set('verbose', False)
self.assertEquals(contexts.LoggingConfigContext()(),
{'debug': True, 'verbose': False})
self.test_config.set('debug', True)
self.test_config.set('verbose', True)
self.assertEquals(contexts.LoggingConfigContext()(),
{'debug': True, 'verbose': True})
def test_mongodb_context_not_related(self):
self.relation_ids.return_value = []
self.os_release.return_value = 'icehouse'
self.assertEquals(contexts.MongoDBContext()(), {})
def test_mongodb_context_related(self):
self.relation_ids.return_value = ['shared-db:0']
self.related_units.return_value = ['mongodb/0']
data = {
'hostname': 'mongodb',
'port': 8090
}
self.test_relation.set(data)
self.assertEquals(contexts.MongoDBContext()(),
{'db_host': 'mongodb', 'db_port': 8090,
'db_name': 'ceilometer'})
def test_mongodb_context_related_replset_single_mongo(self):
self.relation_ids.return_value = ['shared-db:0']
self.related_units.return_value = ['mongodb/0']
data = {
'hostname': 'mongodb-0',
'port': 8090,
'replset': 'replset-1'
}
self.test_relation.set(data)
self.os_release.return_value = 'icehouse'
self.assertEquals(contexts.MongoDBContext()(),
{'db_host': 'mongodb-0', 'db_port': 8090,
'db_name': 'ceilometer'})
@patch.object(contexts, 'context_complete')
def test_mongodb_context_related_replset_missing_values(self, mock_ctxcmp):
mock_ctxcmp.return_value = False
self.relation_ids.return_value = ['shared-db:0']
self.related_units.return_value = ['mongodb/0']
data = {
'hostname': None,
'port': 8090,
'replset': 'replset-1'
}
self.test_relation.set(data)
self.os_release.return_value = 'icehouse'
self.assertEquals(contexts.MongoDBContext()(), {})
def test_mongodb_context_related_replset_multiple_mongo(self):
self.relation_ids.return_value = ['shared-db:0']
related_units = {
'mongodb/0': {'hostname': 'mongodb-0',
'port': 8090,
'replset': 'replset-1'},
'mongodb/1': {'hostname': 'mongodb-1',
'port': 8090,
'replset': 'replset-1'}
}
self.related_units.return_value = [k for k in related_units.keys()]
def relation_get(attr, unit, relid):
values = related_units.get(unit)
if attr is None:
return values
else:
return values.get(attr, None)
self.relation_get.side_effect = relation_get
self.os_release.return_value = 'icehouse'
self.assertEquals(contexts.MongoDBContext()(),
{'db_mongo_servers': 'mongodb-0:8090,mongodb-1:8090',
'db_name': 'ceilometer', 'db_replset': 'replset-1'})
@patch.object(utils, 'get_shared_secret')
def test_ceilometer_context(self, secret):
secret.return_value = 'mysecret'
self.assertEquals(contexts.CeilometerContext()(), {
'port': 8777,
'metering_secret': 'mysecret',
'api_workers': 1,
})
def test_ceilometer_service_context(self):
self.relation_ids.return_value = ['ceilometer-service:0']
self.related_units.return_value = ['ceilometer/0']
data = {
'metering_secret': 'mysecret',
'keystone_host': 'test'
}
self.test_relation.set(data)
self.assertEquals(contexts.CeilometerServiceContext()(), data)
def test_ceilometer_service_context_not_related(self):
self.relation_ids.return_value = []
self.assertEquals(contexts.CeilometerServiceContext()(), {})
@patch('os.path.exists')
def test_get_shared_secret_existing(self, exists):
exists.return_value = True
with mock_open(utils.SHARED_SECRET, u'mysecret'):
self.assertEquals(utils.get_shared_secret(),
'mysecret')
@patch('uuid.uuid4')
@patch('os.path.exists')
def test_get_shared_secret_new(self, exists, uuid4):
exists.return_value = False
uuid4.return_value = 'newsecret'
with patch('__builtin__.open'):
self.assertEquals(utils.get_shared_secret(),
'newsecret')
@patch.object(contexts, 'determine_apache_port')
@patch.object(contexts, 'determine_api_port')
def test_ha_proxy_context(self, determine_api_port, determine_apache_port):
determine_api_port.return_value = contexts.CEILOMETER_PORT - 10
determine_apache_port.return_value = contexts.CEILOMETER_PORT - 20
haproxy_port = contexts.CEILOMETER_PORT
api_port = haproxy_port - 10
apache_port = api_port - 10
expected = {
'service_ports': {'ceilometer_api': [haproxy_port, apache_port]},
'port': api_port
}
self.assertEquals(contexts.HAProxyContext()(), expected)
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