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9b4e9132ae
* fix: renamed to submodule * fix: linting * fix: columnValuesToBeBetween test for date column type
74 lines
2.5 KiB
Python
74 lines
2.5 KiB
Python
# Copyright 2021 Collate
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Validator for column values to be not null test case
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"""
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import traceback
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from abc import abstractmethod
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from typing import Union
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from sqlalchemy import Column
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from metadata.data_quality.validations.base_test_handler import BaseTestValidator
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from metadata.generated.schema.tests.basic import (
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TestCaseResult,
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TestCaseStatus,
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TestResultValue,
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)
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from metadata.profiler.metrics.registry import Metrics
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from metadata.utils.logger import test_suite_logger
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from metadata.utils.sqa_like_column import SQALikeColumn
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logger = test_suite_logger()
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NULL_COUNT = "nullCount"
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class BaseColumnValuesToBeNotNullValidator(BaseTestValidator):
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"""Validator for column values to be not null test case"""
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def run_validation(self) -> TestCaseResult:
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"""Run validation for the given test case
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Returns:
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TestCaseResult:
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"""
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try:
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column: Union[SQALikeColumn, Column] = self._get_column_name()
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res = self._run_results(Metrics.NULL_COUNT, column)
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except (ValueError, RuntimeError) as exc:
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msg = f"Error computing {self.test_case.fullyQualifiedName}: {exc}" # type: ignore
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logger.debug(traceback.format_exc())
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logger.warning(msg)
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return self.get_test_case_result_object(
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self.execution_date,
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TestCaseStatus.Aborted,
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msg,
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[TestResultValue(name=NULL_COUNT, value=None)],
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)
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return self.get_test_case_result_object(
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self.execution_date,
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self.get_test_case_status(res == 0),
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f"Found nullCount={res}. It should be 0",
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[TestResultValue(name=NULL_COUNT, value=str(res))],
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)
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@abstractmethod
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def _get_column_name(self):
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raise NotImplementedError
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@abstractmethod
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def _run_results(self, metric: Metrics, column: Union[SQALikeColumn, Column]):
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raise NotImplementedError
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