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126 lines
4.2 KiB
Python
126 lines
4.2 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 superset.constants import TimeGrain
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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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("text", "'2019-01-02 03:04:05'"),
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("TEXT", "'2019-01-02 03:04:05'"),
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("dateTime", "'2019-01-02 03:04:05'"),
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("DateTime", "'2019-01-02 03:04:05'"),
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("DATETIME", "'2019-01-02 03:04:05'"),
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("string", "'2019-01-02 03:04:05'"),
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("String", "'2019-01-02 03:04:05'"),
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("STRING", "'2019-01-02 03:04:05'"),
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("integer", None),
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("number", None),
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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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"""Test datetime conversion for various MongoDB column types."""
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from superset.db_engine_specs.mongodb import (
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MongoDBEngineSpec as spec, # noqa: N813
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)
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assert_convert_dttm(spec, target_type, expected_result, dttm)
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def test_epoch_to_dttm() -> None:
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"""Test epoch to datetime conversion."""
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from superset.db_engine_specs.mongodb import (
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MongoDBEngineSpec as spec, # noqa: N813
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)
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# MongoDB engine just passes through the column expression
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assert spec.epoch_to_dttm() == "datetime({col}, 'unixepoch')"
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@pytest.mark.parametrize(
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"grain,expected_expression",
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[
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(None, "{col}"),
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(TimeGrain.SECOND, "DATETIME(STRFTIME('%Y-%m-%dT%H:%M:%S', {col}))"),
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(TimeGrain.MINUTE, "DATETIME(STRFTIME('%Y-%m-%dT%H:%M:00', {col}))"),
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(TimeGrain.HOUR, "DATETIME(STRFTIME('%Y-%m-%dT%H:00:00', {col}))"),
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(TimeGrain.DAY, "DATETIME({col}, 'start of day')"),
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(
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TimeGrain.WEEK,
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"DATETIME({col}, 'start of day', -strftime('%w', {col}) || ' days')",
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),
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(TimeGrain.MONTH, "DATETIME({col}, 'start of month')"),
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(
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TimeGrain.QUARTER,
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"DATETIME({col}, 'start of month', "
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"printf('-%d month', (strftime('%m', {col}) - 1) % 3))",
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),
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(TimeGrain.YEAR, "DATETIME({col}, 'start of year')"),
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(
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TimeGrain.WEEK_ENDING_SATURDAY,
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"DATETIME({col}, 'start of day', 'weekday 6')",
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),
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(
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TimeGrain.WEEK_ENDING_SUNDAY,
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"DATETIME({col}, 'start of day', 'weekday 0')",
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),
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(
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TimeGrain.WEEK_STARTING_SUNDAY,
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"DATETIME({col}, 'start of day', 'weekday 0', '-7 days')",
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),
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(
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TimeGrain.WEEK_STARTING_MONDAY,
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"DATETIME({col}, 'start of day', 'weekday 1', '-7 days')",
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),
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],
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)
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def test_time_grain_expressions(
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grain: Optional[TimeGrain],
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expected_expression: str,
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) -> None:
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"""Test time grain expressions for MongoDB."""
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from superset.db_engine_specs.mongodb import (
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MongoDBEngineSpec as spec, # noqa: N813
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)
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# pylint: disable=protected-access
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actual = spec._time_grain_expressions.get(grain)
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assert actual == expected_expression
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def test_engine_metadata() -> None:
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"""Test MongoDB engine specification metadata."""
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from superset.db_engine_specs.mongodb import (
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MongoDBEngineSpec as spec, # noqa: N813
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)
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assert spec.engine == "mongodb"
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assert spec.engine_name == "MongoDB"
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assert spec.force_column_alias_quotes is False
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