mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-08 23:42:02 +00:00
ec68ed8a93
Signed-off-by: Lloyd-Pottiger <yan1579196623@gamil.com>
138 lines
4.2 KiB
Python
138 lines
4.2 KiB
Python
# pylint: disable=unused-argument
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# pylint: disable=redefined-outer-name
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# pylint: disable=line-too-long
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import pytest
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from helpers.client import QueryRuntimeException
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance(
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"node", main_configs=["configs/rocksdb.xml"], stay_alive=True
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)
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@pytest.fixture(scope="module")
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def start_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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def test_read_only(start_cluster):
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# fail if read_only = true and directory does not exist.
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with pytest.raises(QueryRuntimeException):
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node.query(
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"""
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CREATE TABLE test (key UInt64, value String) Engine=EmbeddedRocksDB(0, '/var/lib/clickhouse/store/test_rocksdb_read_only', 1) PRIMARY KEY(key);
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"""
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)
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# create directory if read_only = false
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node.query(
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"""
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CREATE TABLE test (key UInt64, value String) Engine=EmbeddedRocksDB(0, '/var/lib/clickhouse/store/test_rocksdb_read_only') PRIMARY KEY(key);
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INSERT INTO test (key, value) VALUES (0, 'a'), (1, 'b'), (2, 'c');
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"""
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)
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# fail if create multiple non-read-only tables on the same directory
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with pytest.raises(QueryRuntimeException):
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node.query(
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"""
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CREATE TABLE test_fail (key UInt64, value String) Engine=EmbeddedRocksDB(0, '/var/lib/clickhouse/store/test_rocksdb_read_only') PRIMARY KEY(key);
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"""
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)
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with pytest.raises(QueryRuntimeException):
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node.query(
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"""
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CREATE TABLE test_fail (key UInt64, value String) Engine=EmbeddedRocksDB(10, '/var/lib/clickhouse/store/test_rocksdb_read_only') PRIMARY KEY(key);
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"""
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)
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# success if create multiple read-only tables on the same directory
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node.query(
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"""
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CREATE TABLE test_1 (key UInt64, value String) Engine=EmbeddedRocksDB(0, '/var/lib/clickhouse/store/test_rocksdb_read_only', 1) PRIMARY KEY(key);
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DROP TABLE test_1;
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"""
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)
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node.query(
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"""
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CREATE TABLE test_2 (key UInt64, value String) Engine=EmbeddedRocksDB(10, '/var/lib/clickhouse/store/test_rocksdb_read_only', 1) PRIMARY KEY(key);
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DROP TABLE test_2;
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"""
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)
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# success if create table on existing directory with no other tables on it
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node.query(
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"""
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DROP TABLE test;
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CREATE TABLE test (key UInt64, value String) Engine=EmbeddedRocksDB(10, '/var/lib/clickhouse/store/test_rocksdb_read_only', 1) PRIMARY KEY(key);
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"""
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)
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result = node.query("""SELECT count() FROM test;""")
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assert result.strip() == "3"
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# fail if insert into table with read_only = true
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with pytest.raises(QueryRuntimeException):
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node.query(
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"""INSERT INTO test (key, value) VALUES (4, 'd');
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"""
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)
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node.query(
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"""
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DROP TABLE test;
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"""
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)
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def test_dirctory_missing_after_stop(start_cluster):
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# for read_only = false
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node.query(
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"""
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CREATE TABLE test (key UInt64, value String) Engine=EmbeddedRocksDB(0, '/var/lib/clickhouse/store/test_rocksdb_read_only_missing') PRIMARY KEY(key);
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"""
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)
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node.stop_clickhouse()
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node.exec_in_container(
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[
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"bash",
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"-c",
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"rm -r /var/lib/clickhouse/store/test_rocksdb_read_only_missing",
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]
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)
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node.start_clickhouse()
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result = node.query(
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"""INSERT INTO test (key, value) VALUES (0, 'a');
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SELECT * FROM test;
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"""
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)
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assert result.strip() == "0\ta"
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node.query(
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"""DROP TABLE test;
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"""
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)
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# for read_only = true
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node.query(
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"""
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CREATE TABLE test (key UInt64, value String) Engine=EmbeddedRocksDB(0, '/var/lib/clickhouse/store/test_rocksdb_read_only_missing', 1) PRIMARY KEY(key);
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"""
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)
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node.stop_clickhouse()
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node.exec_in_container(
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[
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"bash",
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"-c",
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"rm -r /var/lib/clickhouse/store/test_rocksdb_read_only_missing",
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]
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)
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node.start_clickhouse()
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with pytest.raises(QueryRuntimeException):
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node.query("""INSERT INTO test (key, value) VALUES (1, 'b');""")
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result = node.query("""SELECT * FROM test;""")
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assert result.strip() == ""
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node.query(
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"""DROP TABLE test;
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"""
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)
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