memgraph/tests/e2e/configuration/storage_info.py
andrejtonev e8850549d2
Add multi-tenancy v1 (#952)
* Decouple BoltSession and communication::bolt::Session
* Add CREATE/USE/DROP DATABASE
* Add SHOW DATABASES
* Cover WebSocket session
* Simple session safety implemented via RWLock
* Storage symlinks for backward. compatibility
* Extend the audit log with the DB info
* Add auth part
* Add tenant recovery
2023-08-01 18:49:11 +02:00

111 lines
3.5 KiB
Python

# Copyright 2022 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 default_config
import mgclient
import pytest
default_storage_info_dict = {
"name": "memgraph",
"vertex_count": 0,
"edge_count": 0,
"average_degree": 0,
"memory_usage": "", # machine dependent
"disk_usage": "", # machine dependent
"memory_allocated": "", # machine dependent
"allocation_limit": "", # machine dependent
"global_isolation_level": "SNAPSHOT_ISOLATION",
"session_isolation_level": "",
"next_session_isolation_level": "",
"storage_mode": "IN_MEMORY_TRANSACTIONAL",
}
def apply_queries_and_check_for_storage_info(cursor, setup_query_list, expected_values):
for query in setup_query_list:
cursor.execute(query)
cursor.execute("SHOW STORAGE INFO")
config = cursor.fetchall()
for conf in config:
conf_name = conf[0]
if conf_name in expected_values:
assert expected_values[conf_name] == conf[1]
def test_does_default_config_match():
connection = mgclient.connect(host="localhost", port=7687)
connection.autocommit = True
cursor = connection.cursor()
cursor.execute("SHOW STORAGE INFO")
config = cursor.fetchall()
# The default value of these is dependent on the given machine.
machine_dependent_configurations = ["memory_usage", "disk_usage", "memory_allocated", "allocation_limit"]
# Number of different data-points returned by SHOW STORAGE INFO
assert len(config) == 12
for conf in config:
conf_name = conf[0]
if conf_name in machine_dependent_configurations:
continue
assert default_storage_info_dict[conf_name] == conf[1]
def test_info_change():
connection = mgclient.connect(host="localhost", port=7687)
connection.autocommit = True
cursor = connection.cursor()
# Check for vertex and edge changes
setup_query_list = [
"CREATE(n{id: 1}),(m{id: 2})",
"MATCH(n),(m) WHERE n.id = 1 AND m.id = 2 CREATE (n)-[r:relation]->(m)",
]
expected_values = {
"vertex_count": 2,
"edge_count": 1,
}
apply_queries_and_check_for_storage_info(cursor, setup_query_list, expected_values)
# Check for isolation level changes
setup_query_list = [
"SET GLOBAL TRANSACTION ISOLATION LEVEL READ UNCOMMITTED",
"SET NEXT TRANSACTION ISOLATION LEVEL READ COMMITTED",
"SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED",
]
expected_values = {
"global_isolation_level": "READ_UNCOMMITTED",
"session_isolation_level": "READ_COMMITTED",
"next_session_isolation_level": "READ_COMMITTED",
}
apply_queries_and_check_for_storage_info(cursor, setup_query_list, expected_values)
# Check for storage mode change
setup_query_list = ["STORAGE MODE IN_MEMORY_ANALYTICAL"]
expected_values = {"storage_mode": "IN_MEMORY_ANALYTICAL"}
apply_queries_and_check_for_storage_info(cursor, setup_query_list, expected_values)
if __name__ == "__main__":
sys.exit(pytest.main([__file__, "-rA"]))