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71 lines
2.5 KiB
Python
71 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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Test helpers
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"""
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import uuid
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from unittest import TestCase
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from metadata.generated.schema.entity.data.table import Column, DataType, Table
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from metadata.generated.schema.type.entityReference import EntityReference
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from metadata.utils.helpers import (
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find_column_in_table,
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find_column_in_table_with_index,
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find_in_iter,
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)
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class HelpersTest(TestCase):
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def test_find_in_iter(self):
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"""We can find elements within a list"""
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iter_ = ("A", "B", "C")
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found = find_in_iter(element="B", container=iter_)
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self.assertEqual("B", found)
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not_found = find_in_iter(element="random", container=iter_)
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self.assertIsNone(not_found)
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def test_find_column_in_table(self):
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"""Check we can find a column inside a table"""
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table = Table(
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id=uuid.uuid4(),
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name="test",
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databaseSchema=EntityReference(
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id=uuid.uuid4(),
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type="databaseSchema",
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),
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fullyQualifiedName="test-service-table.test-db.test-schema.test",
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columns=[
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Column(name="id", dataType=DataType.BIGINT),
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Column(name="hello", dataType=DataType.BIGINT),
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Column(name="foo", dataType=DataType.BIGINT),
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Column(name="bar", dataType=DataType.BIGINT),
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],
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)
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col = find_column_in_table(column_name="foo", table=table)
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self.assertEqual(col, Column(name="foo", dataType=DataType.BIGINT))
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not_found = find_column_in_table(column_name="random", table=table)
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self.assertIsNone(not_found)
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idx, col = find_column_in_table_with_index(column_name="foo", table=table)
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self.assertEqual(col, Column(name="foo", dataType=DataType.BIGINT))
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self.assertEqual(idx, 2)
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not_found_col, not_found_idx = find_column_in_table_with_index(
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column_name="random", table=table
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)
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self.assertIsNone(not_found)
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self.assertIsNone(not_found_idx)
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