mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-26 17:41:59 +00:00
121 lines
4.2 KiB
Python
121 lines
4.2 KiB
Python
import pytest
|
|
import re
|
|
from helpers.cluster import ClickHouseCluster
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
instance = cluster.add_instance('instance')
|
|
|
|
|
|
def create_and_fill_table():
|
|
instance.query("CREATE DATABASE test")
|
|
instance.query("CREATE TABLE test.table(x UInt32, y String) ENGINE=MergeTree ORDER BY y PARTITION BY x%10")
|
|
instance.query("INSERT INTO test.table SELECT number, toString(number) FROM numbers(100)")
|
|
|
|
|
|
@pytest.fixture(scope="module", autouse=True)
|
|
def start_cluster():
|
|
try:
|
|
cluster.start()
|
|
yield cluster
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
@pytest.fixture(autouse=True)
|
|
def cleanup_after_test():
|
|
try:
|
|
yield
|
|
finally:
|
|
instance.query("DROP DATABASE IF EXISTS test")
|
|
|
|
|
|
backup_id_counter = 0
|
|
def new_backup_name():
|
|
global backup_id_counter
|
|
backup_id_counter += 1
|
|
return f"test-backup-{backup_id_counter}"
|
|
|
|
|
|
def test_restore_table():
|
|
backup_name = new_backup_name()
|
|
create_and_fill_table()
|
|
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table") == "100\t4950\n"
|
|
instance.query(f"BACKUP TABLE test.table TO '{backup_name}'")
|
|
|
|
instance.query("DROP TABLE test.table")
|
|
assert instance.query("EXISTS test.table") == "0\n"
|
|
|
|
instance.query(f"RESTORE TABLE test.table FROM '{backup_name}'")
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table") == "100\t4950\n"
|
|
|
|
|
|
def test_restore_table_into_existing_table():
|
|
backup_name = new_backup_name()
|
|
create_and_fill_table()
|
|
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table") == "100\t4950\n"
|
|
instance.query(f"BACKUP TABLE test.table TO '{backup_name}'")
|
|
|
|
instance.query(f"RESTORE TABLE test.table INTO test.table FROM '{backup_name}'")
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table") == "200\t9900\n"
|
|
|
|
instance.query(f"RESTORE TABLE test.table INTO test.table FROM '{backup_name}'")
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table") == "300\t14850\n"
|
|
|
|
|
|
def test_restore_table_under_another_name():
|
|
backup_name = new_backup_name()
|
|
create_and_fill_table()
|
|
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table") == "100\t4950\n"
|
|
instance.query(f"BACKUP TABLE test.table TO '{backup_name}'")
|
|
|
|
assert instance.query("EXISTS test.table2") == "0\n"
|
|
|
|
instance.query(f"RESTORE TABLE test.table INTO test.table2 FROM '{backup_name}'")
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table2") == "100\t4950\n"
|
|
|
|
|
|
def test_backup_table_under_another_name():
|
|
backup_name = new_backup_name()
|
|
create_and_fill_table()
|
|
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table") == "100\t4950\n"
|
|
instance.query(f"BACKUP TABLE test.table AS test.table2 TO '{backup_name}'")
|
|
|
|
assert instance.query("EXISTS test.table2") == "0\n"
|
|
|
|
instance.query(f"RESTORE TABLE test.table2 FROM '{backup_name}'")
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table2") == "100\t4950\n"
|
|
|
|
|
|
def test_incremental_backup():
|
|
backup_name = new_backup_name()
|
|
incremental_backup_name = new_backup_name()
|
|
create_and_fill_table()
|
|
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table") == "100\t4950\n"
|
|
instance.query(f"BACKUP TABLE test.table TO '{backup_name}'")
|
|
|
|
instance.query("INSERT INTO test.table VALUES (65, 'a'), (66, 'b')")
|
|
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table") == "102\t5081\n"
|
|
instance.query(f"BACKUP TABLE test.table TO '{incremental_backup_name}' SETTINGS base_backup = '{backup_name}'")
|
|
|
|
instance.query(f"RESTORE TABLE test.table AS test.table2 FROM '{incremental_backup_name}'")
|
|
assert instance.query("SELECT count(), sum(x) FROM test.table2") == "102\t5081\n"
|
|
|
|
|
|
def test_backup_not_found_or_already_exists():
|
|
backup_name = new_backup_name()
|
|
|
|
expected_error = "Backup .* not found"
|
|
assert re.search(expected_error, instance.query_and_get_error(f"RESTORE TABLE test.table AS test.table2 FROM '{backup_name}'"))
|
|
|
|
create_and_fill_table()
|
|
instance.query(f"BACKUP TABLE test.table TO '{backup_name}'")
|
|
|
|
expected_error = "Backup .* already exists"
|
|
assert re.search(expected_error, instance.query_and_get_error(f"BACKUP TABLE test.table TO '{backup_name}'"))
|