Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

66 lines
2.3 KiB
Python
Raw Normal View History

# Copyright 2021 Collate
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Test helpers
"""
import uuid
from unittest import TestCase
from metadata.generated.schema.entity.data.table import Column, DataType, Table
from metadata.utils.helpers import (
find_column_in_table,
find_column_in_table_with_index,
find_in_iter,
)
class HelpersTest(TestCase):
def test_find_in_iter(self):
"""We can find elements within a list"""
iter_ = ("A", "B", "C")
found = find_in_iter(element="B", container=iter_)
self.assertEqual("B", found)
not_found = find_in_iter(element="random", container=iter_)
self.assertIsNone(not_found)
def test_find_column_in_table(self):
"""Check we can find a column inside a table"""
table = Table(
id=uuid.uuid4(),
name="test",
fullyQualifiedName="test-service-table.test-db.test-schema.test",
columns=[
Column(name="id", dataType=DataType.BIGINT),
Column(name="hello", dataType=DataType.BIGINT),
Column(name="foo", dataType=DataType.BIGINT),
Column(name="bar", dataType=DataType.BIGINT),
],
)
col = find_column_in_table(column_name="foo", table=table)
self.assertEqual(col, Column(name="foo", dataType=DataType.BIGINT))
not_found = find_column_in_table(column_name="random", table=table)
self.assertIsNone(not_found)
idx, col = find_column_in_table_with_index(column_name="foo", table=table)
self.assertEqual(col, Column(name="foo", dataType=DataType.BIGINT))
self.assertEqual(idx, 2)
not_found_col, not_found_idx = find_column_in_table_with_index(
column_name="random", table=table
)
self.assertIsNone(not_found)
self.assertIsNone(not_found_idx)