memgraph/tests/e2e/metadata_queries/show_node_labels_info.py
2023-11-28 13:34:21 +01:00

68 lines
2.0 KiB
Python

# Copyright 2023 Memgraph Ltd.
#
# Use of this software is governed by the Business Source License
# included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
# License, and you may not use this file except in compliance with the Business Source License.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0, included in the file
# licenses/APL.txt.
import sys
import pytest
from common import are_results_equal, cursor, execute_and_fetch_all
# Helper functions
def create_nodes(cursor):
execute_and_fetch_all(
cursor, "CREATE (charlie:Person:Actor {name: 'Charlie Sheen'}), (oliver:Person:Director {name: 'Oliver Stone'})"
)
def node_labels_info(cursor):
return execute_and_fetch_all(cursor, "SHOW NODE_LABELS INFO")
def default_expected_result(cursor):
return [("Person",), ("Actor",), ("Director",)]
# Tests
def test_return_empty(cursor):
node_labels = node_labels_info(cursor)
expected = []
assert are_results_equal(expected, node_labels)
def test_return_node_labels_simple(cursor):
create_nodes(cursor)
node_labels = node_labels_info(cursor)
expected = default_expected_result(cursor)
assert are_results_equal(expected, node_labels)
def test_return_node_labels_repeating_identical_labels(cursor):
for _ in range(100):
create_nodes(cursor)
node_labels = node_labels_info(cursor)
expected = default_expected_result(cursor)
assert are_results_equal(expected, node_labels)
def test_return_node_labels_obtainable_after_vertex_deletion(cursor):
create_nodes(cursor)
execute_and_fetch_all(cursor, "MATCH(n) DELETE n")
node_labels = node_labels_info(cursor)
expected = default_expected_result(cursor)
assert are_results_equal(expected, node_labels)
if __name__ == "__main__":
sys.exit(pytest.main([__file__, "-rA"]))