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102 lines
2.9 KiB
Python
102 lines
2.9 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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from datetime import datetime
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from typing import Optional
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import pytest
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from pytest_mock import MockerFixture
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from sqlalchemy.engine.interfaces import Dialect
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from sqlalchemy.engine.url import make_url
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from superset.sql.parse import Table
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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 # noqa: F401
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@pytest.mark.parametrize(
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"target_type,expected_result",
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[
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("Date", "CAST('2019-01-02' AS DATE)"),
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(
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"TimeStamp",
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"CAST('2019-01-02 03:04:05.678900' AS TIMESTAMP)",
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),
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("UnknownType", None),
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],
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)
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def test_convert_dttm(
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target_type: str,
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expected_result: Optional[str],
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dttm: datetime, # noqa: F811
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) -> None:
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from superset.db_engine_specs.hive import HiveEngineSpec as spec # noqa: N813
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assert_convert_dttm(spec, target_type, expected_result, dttm)
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def test_get_schema_from_engine_params() -> None:
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"""
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Test the ``get_schema_from_engine_params`` method.
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"""
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from superset.db_engine_specs.hive import HiveEngineSpec
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assert (
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HiveEngineSpec.get_schema_from_engine_params(
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make_url("hive://localhost:10000/default"), {}
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)
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== "default"
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)
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def test_select_star(mocker: MockerFixture) -> None:
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"""
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Test the ``select_star`` method.
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"""
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from superset.db_engine_specs.hive import HiveEngineSpec
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database = mocker.MagicMock()
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engine = mocker.MagicMock()
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def quote_table(table: Table, dialect: Dialect) -> str:
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return ".".join(
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part for part in (table.catalog, table.schema, table.table) if part
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)
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mocker.patch.object(HiveEngineSpec, "quote_table", quote_table)
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HiveEngineSpec.select_star(
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database=database,
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table=Table("my_table", "my_schema", "my_catalog"),
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engine=engine,
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limit=100,
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show_cols=False,
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indent=True,
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latest_partition=False,
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cols=None,
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)
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query = database.compile_sqla_query.mock_calls[0][1][0]
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assert (
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str(query)
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== """
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SELECT * \nFROM my_schema.my_table
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LIMIT :param_1
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""".strip()
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)
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