def get_schema():
# build a couple of keyspaces
keyspaces = []
for k in range(2):
keyspace = get_keyspace("my_ks_%s" % k, True, "SimpleStrategy",
{"replication_factor": 1})
keyspaces.append(keyspace)
schema = Metadata()
schema.keyspaces = keyspaces
return schema
def test_build_index_as_cql(self):
column_meta = Mock()
column_meta.name = 'column_name_here'
column_meta.table.name = 'table_name_here'
column_meta.table.keyspace.name = 'keyspace_name_here'
meta_model = Metadata(Mock())
row = {'index_name': 'index_name_here', 'index_type': 'index_type_here'}
index_meta = meta_model._build_index_metadata(column_meta, row)
self.assertEqual(index_meta.as_cql_query(),
'CREATE INDEX index_name_here ON keyspace_name_here.table_name_here (column_name_here)')
row['index_options'] = '{ "class_name": "class_name_here" }'
row['index_type'] = 'CUSTOM'
index_meta = meta_model._build_index_metadata(column_meta, row)
self.assertEqual(index_meta.as_cql_query(),
"CREATE CUSTOM INDEX index_name_here ON keyspace_name_here.table_name_here (column_name_here) USING 'class_name_here'")
def test_build_index_as_cql(self):
column_meta = Mock()
column_meta.name = 'column_name_here'
column_meta.table.name = 'table_name_here'
column_meta.table.keyspace.name = 'keyspace_name_here'
meta_model = Metadata(Mock())
row = {'index_name': 'index_name_here', 'index_type': 'index_type_here'}
index_meta = meta_model._build_index_metadata(column_meta, row)
self.assertEqual(index_meta.as_cql_query(),
'CREATE INDEX index_name_here ON keyspace_name_here.table_name_here (column_name_here)')
row['index_options'] = '{ "class_name": "class_name_here" }'
row['index_type'] = 'CUSTOM'
index_meta = meta_model._build_index_metadata(column_meta, row)
self.assertEqual(index_meta.as_cql_query(),
"CREATE CUSTOM INDEX index_name_here ON keyspace_name_here.table_name_here (column_name_here) USING 'class_name_here'")
def test_iterate_all_hosts_and_modify(self):
"""
PYTHON-572
"""
metadata = Metadata()
metadata.add_or_return_host(Host('dc1.1', SimpleConvictionPolicy))
metadata.add_or_return_host(Host('dc1.2', SimpleConvictionPolicy))
self.assertEqual(len(metadata.all_hosts()), 2)
for host in metadata.all_hosts(): # this would previously raise in Py3
metadata.remove_host(host)
self.assertEqual(len(metadata.all_hosts()), 0)
def test_build_index_as_cql(self):
column_meta = Mock()
column_meta.name = "column_name_here"
column_meta.table.name = "table_name_here"
column_meta.table.keyspace.name = "keyspace_name_here"
meta_model = Metadata(Mock())
row = {"index_name": "index_name_here", "index_type": "index_type_here"}
index_meta = meta_model._build_index_metadata(column_meta, row)
self.assertEqual(
index_meta.as_cql_query(),
"CREATE INDEX index_name_here ON keyspace_name_here.table_name_here (column_name_here)",
)
row["index_options"] = '{ "class_name": "class_name_here" }'
row["index_type"] = "CUSTOM"
index_meta = meta_model._build_index_metadata(column_meta, row)
self.assertEqual(
index_meta.as_cql_query(),
"CREATE CUSTOM INDEX index_name_here ON keyspace_name_here.table_name_here (column_name_here) USING 'class_name_here'",
)
def test_iterate_all_hosts_and_modify(self):
"""
PYTHON-572
"""
metadata = Metadata()
metadata.add_or_return_host(Host('dc1.1', SimpleConvictionPolicy))
metadata.add_or_return_host(Host('dc1.2', SimpleConvictionPolicy))
self.assertEqual(len(metadata.all_hosts()), 2)
for host in metadata.all_hosts(): # this would previously raise in Py3
metadata.remove_host(host)
self.assertEqual(len(metadata.all_hosts()), 0)
class MockCluster(object):
metadata = Metadata()
database = {}
def __init__(self,
contact_points=["127.0.0.1"],
port=9042,
auth_provider=None):
assert isinstance(contact_points, list)
self.contact_points = contact_points
self.port = port
self.sessions = []
def connect(self, keyspace=None):
result = MockSession(self, keyspace)
self.sessions.append(result)
return result
def shutdown(self):
self.sessions = []
def __init__(self):
from cassandra.metadata import Metadata
self.metadata = Metadata()
self.metadata.rebuild_token_map("Murmur3Partitioner", {})
