mirror of https://github.com/apache/superset.git
145 lines
4.5 KiB
Python
145 lines
4.5 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# pylint: disable=unused-argument, import-outside-toplevel, protected-access
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from datetime import datetime
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from typing import Optional
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import pytest
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from tests.unit_tests.db_engine_specs.utils import assert_convert_dttm
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from tests.unit_tests.fixtures.common import dttm
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@pytest.mark.parametrize(
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"sql,expected",
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[
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("SELECT foo FROM tbl", True),
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("SHOW TABLES", False),
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("EXPLAIN SELECT foo FROM tbl", False),
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("INSERT INTO tbl (foo) VALUES (1)", False),
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],
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)
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def test_sql_is_readonly_query(sql: str, expected: bool) -> None:
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"""
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Make sure that SQL dialect consider only SELECT statements as read-only
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"""
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from superset.db_engine_specs.kusto import KustoSqlEngineSpec
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from superset.sql_parse import ParsedQuery
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parsed_query = ParsedQuery(sql)
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is_readonly = KustoSqlEngineSpec.is_readonly_query(parsed_query)
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assert expected == is_readonly
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@pytest.mark.parametrize(
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"kql,expected",
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[
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("tbl | limit 100", True),
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("let foo = 1; tbl | where bar == foo", True),
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(".show tables", False),
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],
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)
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def test_kql_is_select_query(kql: str, expected: bool) -> None:
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"""
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Make sure that KQL dialect consider only statements that do not start with "." (dot)
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as a SELECT statements
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"""
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from superset.db_engine_specs.kusto import KustoKqlEngineSpec
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from superset.sql_parse import ParsedQuery
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parsed_query = ParsedQuery(kql)
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is_select = KustoKqlEngineSpec.is_select_query(parsed_query)
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assert expected == is_select
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@pytest.mark.parametrize(
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"kql,expected",
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[
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("tbl | limit 100", True),
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("let foo = 1; tbl | where bar == foo", True),
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(".show tables", True),
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("print 1", True),
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("set querytrace; Events | take 100", True),
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(".drop table foo", False),
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(".set-or-append table foo <| bar", False),
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],
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)
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def test_kql_is_readonly_query(kql: str, expected: bool) -> None:
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"""
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Make sure that KQL dialect consider only SELECT statements as read-only
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"""
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from superset.db_engine_specs.kusto import KustoKqlEngineSpec
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from superset.sql_parse import ParsedQuery
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parsed_query = ParsedQuery(kql)
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is_readonly = KustoKqlEngineSpec.is_readonly_query(parsed_query)
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assert expected == is_readonly
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def test_kql_parse_sql() -> None:
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"""
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parse_sql method should always return a list with a single element
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which is an original query
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"""
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from superset.db_engine_specs.kusto import KustoKqlEngineSpec
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queries = KustoKqlEngineSpec.parse_sql("let foo = 1; tbl | where bar == foo")
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assert queries == ["let foo = 1; tbl | where bar == foo"]
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@pytest.mark.parametrize(
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"target_type,expected_result",
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[
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("DateTime", "datetime(2019-01-02T03:04:05.678900)"),
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("TimeStamp", "datetime(2019-01-02T03:04:05.678900)"),
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("Date", "datetime(2019-01-02)"),
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("UnknownType", None),
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],
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)
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def test_kql_convert_dttm(
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target_type: str, expected_result: Optional[str], dttm: datetime
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) -> None:
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from superset.db_engine_specs.kusto import KustoKqlEngineSpec as spec
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assert_convert_dttm(spec, target_type, expected_result, dttm)
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@pytest.mark.parametrize(
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"target_type,expected_result",
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[
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("Date", "CONVERT(DATE, '2019-01-02', 23)"),
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("DateTime", "CONVERT(DATETIME, '2019-01-02T03:04:05.678', 126)"),
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("SmallDateTime", "CONVERT(SMALLDATETIME, '2019-01-02 03:04:05', 20)"),
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("TimeStamp", "CONVERT(TIMESTAMP, '2019-01-02 03:04:05', 20)"),
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("UnknownType", None),
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],
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)
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def test_sql_convert_dttm(
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target_type: str, expected_result: Optional[str], dttm: datetime
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) -> None:
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from superset.db_engine_specs.kusto import KustoSqlEngineSpec as spec
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assert_convert_dttm(spec, target_type, expected_result, dttm)
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