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102 lines
2.7 KiB
Python
102 lines
2.7 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 textwrap import dedent
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import pytest
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from sqlalchemy.types import TypeEngine
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def test_get_text_clause_with_colon() -> None:
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"""
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Make sure text clauses are correctly escaped
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"""
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from superset.db_engine_specs.base import BaseEngineSpec
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text_clause = BaseEngineSpec.get_text_clause(
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"SELECT foo FROM tbl WHERE foo = '123:456')"
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)
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assert text_clause.text == "SELECT foo FROM tbl WHERE foo = '123\\:456')"
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def test_parse_sql_single_statement() -> None:
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"""
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`parse_sql` should properly strip leading and trailing spaces and semicolons
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"""
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from superset.db_engine_specs.base import BaseEngineSpec
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queries = BaseEngineSpec.parse_sql(" SELECT foo FROM tbl ; ")
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assert queries == ["SELECT foo FROM tbl"]
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def test_parse_sql_multi_statement() -> None:
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"""
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For string with multiple SQL-statements `parse_sql` method should return list
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where each element represents the single SQL-statement
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"""
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from superset.db_engine_specs.base import BaseEngineSpec
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queries = BaseEngineSpec.parse_sql("SELECT foo FROM tbl1; SELECT bar FROM tbl2;")
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assert queries == [
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"SELECT foo FROM tbl1",
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"SELECT bar FROM tbl2",
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]
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@pytest.mark.parametrize(
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"original,expected",
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[
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(
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dedent(
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"""
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with currency as
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(
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select 'INR' as cur
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)
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select * from currency
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"""
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),
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None,
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),
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(
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"SELECT 1 as cnt",
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None,
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),
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(
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dedent(
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"""
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select 'INR' as cur
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union
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select 'AUD' as cur
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union
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select 'USD' as cur
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"""
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),
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None,
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),
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],
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)
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def test_cte_query_parsing(original: TypeEngine, expected: str) -> None:
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from superset.db_engine_specs.base import BaseEngineSpec
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actual = BaseEngineSpec.get_cte_query(original)
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assert actual == expected
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