81 lines
2.6 KiB
Python
Executable File
81 lines
2.6 KiB
Python
Executable File
# Copyright 2022 Memgraph Ltd.
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#
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# Use of this software is governed by the Business Source License
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# included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
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# License, and you may not use this file except in compliance with the Business Source License.
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#
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# As of the Change Date specified in that file, in accordance with
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# the Business Source License, use of this software will be governed
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# by the Apache License, Version 2.0, included in the file
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# licenses/APL.txt.
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import sys
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import time
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import pytest
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from common import execute_and_fetch_all
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from mg_utils import mg_sleep_and_assert_collection
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# BUGFIX: for issue https://github.com/memgraph/memgraph/issues/1515
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def test_replication_handles_delete_when_multiple_edges_of_same_type(connection):
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# Goal is to check the timestamp are correctly computed from the information we get from replicas.
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# 0/ Check original state of replicas.
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# 1/ Add nodes and edges to MAIN, then delete the edges.
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# 2/ Check state of replicas.
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# 0/
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conn = connection(7687, "main")
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conn.autocommit = True
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cursor = conn.cursor()
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actual_data = execute_and_fetch_all(cursor, "SHOW REPLICAS;")
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expected_data = [
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(
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"replica_1",
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"127.0.0.1:10001",
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"sync",
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{"ts": 0, "behind": None, "status": "ready"},
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{"memgraph": {"ts": 0, "behind": 0, "status": "ready"}},
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),
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(
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"replica_2",
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"127.0.0.1:10002",
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"async",
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{"ts": 0, "behind": None, "status": "ready"},
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{"memgraph": {"ts": 0, "behind": 0, "status": "ready"}},
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),
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]
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assert all([x in actual_data for x in expected_data])
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# 1/
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execute_and_fetch_all(cursor, "CREATE (a)-[r:X]->(b) CREATE (a)-[:X]->(b) DELETE r;")
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# 2/
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expected_data = [
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(
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"replica_1",
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"127.0.0.1:10001",
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"sync",
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{"ts": 0, "behind": None, "status": "ready"},
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{"memgraph": {"ts": 2, "behind": 0, "status": "ready"}},
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),
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(
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"replica_2",
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"127.0.0.1:10002",
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"async",
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{"ts": 0, "behind": None, "status": "ready"},
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{"memgraph": {"ts": 2, "behind": 0, "status": "ready"}},
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),
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]
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def retrieve_data():
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return execute_and_fetch_all(cursor, "SHOW REPLICAS;")
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actual_data = mg_sleep_and_assert_collection(expected_data, retrieve_data)
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assert all([x in actual_data for x in expected_data])
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if __name__ == "__main__":
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sys.exit(pytest.main([__file__, "-rA"]))
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