mirror of
https://github.com/ClickHouse/ClickHouse.git
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87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
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import pymongo
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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('node', with_mongo=True)
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@pytest.fixture(scope="module")
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def started_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 get_mongo_connection():
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connection_str = 'mongodb://root:clickhouse@localhost:27018'
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return pymongo.MongoClient(connection_str)
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def test_simple_select(started_cluster):
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mongo_connection = get_mongo_connection()
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db = mongo_connection['test']
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db.add_user('root', 'clickhouse')
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simple_mongo_table = db['simple_table']
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data = []
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for i in range(0, 100):
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data.append({'key': i, 'data': hex(i * i)})
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simple_mongo_table.insert_many(data)
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node.query("CREATE TABLE simple_mongo_table(key UInt64, data String) ENGINE = MongoDB('mongo1:27017', 'test', 'simple_table', 'root', 'clickhouse')")
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assert node.query("SELECT COUNT() FROM simple_mongo_table") == '100\n'
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assert node.query("SELECT sum(key) FROM simple_mongo_table") == str(sum(range(0, 100))) + '\n'
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assert node.query("SELECT data from simple_mongo_table where key = 42") == hex(42 * 42) + '\n'
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def test_complex_data_type(started_cluster):
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mongo_connection = get_mongo_connection()
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db = mongo_connection['test']
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db.add_user('root', 'clickhouse')
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incomplete_mongo_table = db['complex_table']
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data = []
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for i in range(0, 100):
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data.append({'key': i, 'data': hex(i * i), 'dict': {'a' : i, 'b': str(i)}})
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incomplete_mongo_table.insert_many(data)
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node.query("CREATE TABLE incomplete_mongo_table(key UInt64, data String) ENGINE = MongoDB('mongo1:27017', 'test', 'complex_table', 'root', 'clickhouse')")
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assert node.query("SELECT COUNT() FROM incomplete_mongo_table") == '100\n'
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assert node.query("SELECT sum(key) FROM incomplete_mongo_table") == str(sum(range(0, 100))) + '\n'
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assert node.query("SELECT data from incomplete_mongo_table where key = 42") == hex(42 * 42) + '\n'
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def test_incorrect_data_type(started_cluster):
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mongo_connection = get_mongo_connection()
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db = mongo_connection['test']
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db.add_user('root', 'clickhouse')
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strange_mongo_table = db['strange_table']
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data = []
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for i in range(0, 100):
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data.append({'key': i, 'data': hex(i * i), 'aaaa': 'Hello'})
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strange_mongo_table.insert_many(data)
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node.query("CREATE TABLE strange_mongo_table(key String, data String) ENGINE = MongoDB('mongo1:27017', 'test', 'strange_table', 'root', 'clickhouse')")
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with pytest.raises(QueryRuntimeException):
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node.query("SELECT COUNT() FROM strange_mongo_table")
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with pytest.raises(QueryRuntimeException):
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node.query("SELECT uniq(key) FROM strange_mongo_table")
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node.query("CREATE TABLE strange_mongo_table2(key UInt64, data String, bbbb String) ENGINE = MongoDB('mongo1:27017', 'test', 'strange_table', 'root', 'clickhouse')")
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with pytest.raises(QueryRuntimeException):
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node.query("SELECT bbbb FROM strange_mongo_table2")
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