def test_cql_result_metadata(self):
"""
execute should use the metadata included with the CqlResult for
deserializing values.
"""
expected = [{"foo": UUID('114b8328-d1f1-11e2-8683-000c29bc9473')}]
mockrow = [
ttypes.CqlRow(
key='blah',
columns=[
ttypes.Column(
name='foo',
value=
'\x11K\x83(\xd1\xf1\x11\xe2\x86\x83\x00\x0c)\xbc\x94s')
])
]
self.mock_results = ttypes.CqlResult(
type=ttypes.CqlResultType.ROWS,
rows=mockrow,
schema=ttypes.CqlMetadata(
value_types={
'foo': 'org.apache.cassandra.db.marshal.TimeUUIDType'
}))
client = CQLClient(self.endpoint, 'blah')
d = client.execute("SELECT * FROM blah;", {}, ConsistencyLevel.ONE)
self.assertEqual(self.assertFired(d), expected)
def test_unsupported_types_are_returned_as_bytes(self):
"""
When a table includes a column of a type that is not explicitly
supported we should return the raw bytes instead of attempting to
unmarshal the data.
"""
mock_rows = [
ttypes.CqlRow(key='',
columns=[
ttypes.Column(name='an_unknown_type',
value="\x00\x01")
])
]
self.mock_results = ttypes.CqlResult(
type=ttypes.CqlResultType.ROWS,
rows=mock_rows,
schema=ttypes.CqlMetadata(
value_types={'an_unknown_type': 'an.unknown.type'}))
client = CQLClient(self.endpoint, 'blah')
d = client.execute("SELECT * FROM blah", {}, ConsistencyLevel.ONE)
results = self.assertFired(d)
self.assertEqual(results, [{'an_unknown_type': '\x00\x01'}])
def test_cql_sequence(self):
"""
Test a sequence of operations results in only one handshake
but two requests.
"""
expected = [{"foo": "{P}"}]
mockrow = [
ttypes.CqlRow(key='blah',
columns=[ttypes.Column(name='foo', value='{P}')])
]
self.mock_results = ttypes.CqlResult(
type=ttypes.CqlResultType.ROWS,
rows=mockrow,
schema=ttypes.CqlMetadata(
value_types={
'foo': 'org.apache.cassandra.db.marshal.UTF8Type'
}))
client = CQLClient(self.endpoint, 'blah')
def _cqlProc(r):
return client.execute("SELECT :sel FROM test_blah",
{"sel": "blah"}, ConsistencyLevel.ONE)
d = client.execute("SELECT :sel FROM test_blah", {"sel": "ffh"},
ConsistencyLevel.ONE)
d.addCallback(_cqlProc)
self.assertEqual(self.assertFired(d), expected)
self.client_proto.execute_cql3_query.assert_any_call(
"SELECT 'blah' FROM test_blah", 2, ConsistencyLevel.ONE)
self.client_proto.execute_cql3_query.assert_any_call(
"SELECT 'ffh' FROM test_blah", 2, ConsistencyLevel.ONE)
self.client_proto.set_keyspace.assert_called_once_with('blah')
def test_cql_list_deserial(self):
expected = [{'fff': ['ggg', 'hhh']}]
mockrow = [
ttypes.CqlRow(key='blah',
columns=[
ttypes.Column(
name='fff',
value='\x00\x02\x00\x03ggg\x00\x03hhh')
])
]
list_type = 'org.apache.cassandra.db.marshal.ListType'
text_type = 'org.apache.cassandra.db.marshal.UTF8Type'
text_list_type = list_type + '(' + text_type + ')'
self.mock_results = ttypes.CqlResult(
type=ttypes.CqlResultType.ROWS,
rows=mockrow,
schema=ttypes.CqlMetadata(value_types={'fff': text_list_type}))
client = CQLClient(self.endpoint, 'blah')
d = client.execute("SELECT * FROM :tablename;", {"tablename": "blah"},
ConsistencyLevel.ONE)
self.assertEqual(self.assertFired(d), expected)
self.client_proto.execute_cql3_query.assert_called_once_with(
"SELECT * FROM 'blah';", 2, ConsistencyLevel.ONE)
self.client_proto.set_keyspace.assert_called_once_with('blah')
def test_cql_array(self):
"""Test that a full CQL response (e.g. SELECT) works."""
expected = [{"foo": "{P}"}]
mockrow = [ttypes.CqlRow(key='blah', columns=[ttypes.Column(name='foo', value='{P}')])]
self.mock_results = ttypes.CqlResult(
type=ttypes.CqlResultType.ROWS,
rows=mockrow,
schema=ttypes.CqlMetadata(value_types={'foo': 'org.apache.cassandra.db.marshal.UTF8Type'}))
client = CQLClient(self.endpoint, 'blah')
d = client.execute("SELECT :sel FROM test_blah", {"sel": "blah"}, ConsistencyLevel.ONE)
self.assertEqual(self.assertFired(d), expected)
self.client_proto.execute_cql3_query.assert_called_once_with("SELECT 'blah' FROM test_blah", 2,
ConsistencyLevel.ONE)
self.client_proto.set_keyspace.assert_called_once_with('blah')
def test_cql_array_deserial(self):
"""Make sure that values that need to be deserialized correctly are."""
expected = [{"fff": 1222}]
mockrow = [ttypes.CqlRow(key='blah', columns=[ttypes.Column(name='fff', value='\x04\xc6')])]
self.mock_results = ttypes.CqlResult(type=ttypes.CqlResultType.ROWS,
rows=mockrow,
schema=ttypes.CqlMetadata(value_types={
'fff': 'org.apache.cassandra.db.marshal.IntegerType'
}))
client = CQLClient(self.endpoint, 'blah')
d = client.execute("SELECT * FROM :tablename;", {"tablename": "blah"}, ConsistencyLevel.ONE)
self.assertEqual(self.assertFired(d), expected)
self.client_proto.execute_cql3_query.assert_called_once_with("SELECT * FROM 'blah';", 2,
ConsistencyLevel.ONE)
self.client_proto.set_keyspace.assert_called_once_with('blah')
def test_cql_None_not_deserialized(self):
"""
If the value is None, it is not deserialized at all.
"""
raw_rows = [ttypes.CqlRow(
key='blah', columns=[ttypes.Column(name='fff', value=None)])]
schema = ttypes.CqlMetadata(value_types={
'fff': 'org.apache.cassandra.db.marshal.AlwaysFailType'})
client = CQLClient(self.endpoint, 'blah')
always_blow_up = mock.Mock(spec=[], side_effect=Exception)
rows = client._unmarshal_result(schema, raw_rows, {
'org.apache.cassandra.db.marshal.AlwaysFailType': always_blow_up
})
self.assertEqual(rows, [{'fff': None}])
self.assertEqual(always_blow_up.call_count, 0)