bschoening commented on PR #1290:
URL:
https://github.com/apache/cassandra-python-driver/pull/1290#issuecomment-4348072999
Gemini suggest the following:
@greaterthancass20
def test_export_keyspace_schema_udts(self):
"""
Test udt exports (Modernized for Python 3.10+)
"""
# We still need this: UDTs require Native Protocol v3+
if PROTOCOL_VERSION < 3:
raise unittest.SkipTest(
"Protocol 3.0+ is required for UDT change events, currently
testing against %r"
% (PROTOCOL_VERSION,))
cluster = TestCluster()
session = cluster.connect()
# 1. Setup Schema
session.execute("""
CREATE KEYSPACE export_udts
WITH replication = {'class': 'SimpleStrategy', 'replication_factor':
'1'}
AND durable_writes = true;
""")
session.execute("CREATE TYPE export_udts.street (street_number int,
street_name text)")
session.execute("CREATE TYPE export_udts.zip (zipcode int, zip_plus_4
int)")
session.execute("""
CREATE TYPE export_udts.address (
street_address frozen<street>,
zip_code frozen<zip>)
""")
session.execute("""
CREATE TABLE export_udts.users (
user text PRIMARY KEY,
addresses map<text, frozen<address>>)
""")
# 2. Re-trigger a metadata refresh to ensure the driver has captured the
schema
cluster.metadata.refresh_keyspace_metadata('export_udts')
keyspace_meta = cluster.metadata.keyspaces['export_udts']
export_string = keyspace_meta.export_as_string()
# 3. Modern Assertions
# In 3.10+, dict order is stable. We check for core components.
expected_parts = [
"CREATE KEYSPACE export_udts",
"'class': 'SimpleStrategy'",
"'replication_factor': '1'",
"CREATE TYPE export_udts.street",
"CREATE TYPE export_udts.zip",
"CREATE TYPE export_udts.address",
"CREATE TABLE export_udts.users"
]
for part in expected_parts:
self.assertIn(part, export_string)
# 4. Verify UDT Nesting Order (Address must come after Street/Zip)
street_idx = export_string.find("CREATE TYPE export_udts.street")
zip_idx = export_string.find("CREATE TYPE export_udts.zip")
address_idx = export_string.find("CREATE TYPE export_udts.address")
self.assertTrue(street_idx < address_idx, "Street UDT must be defined
before Address UDT")
self.assertTrue(zip_idx < address_idx, "Zip UDT must be defined before
Address UDT")
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