| # Licensed to the Apache Software Foundation (ASF) under one | |
| # or more contributor license agreements. See the NOTICE file | |
| # distributed with this work for additional information | |
| # regarding copyright ownership. The ASF licenses this file | |
| # to you 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 | |
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| # under the License. | |
| from pyiceberg.avro.reader import BooleanReader, FixedReader | |
| from pyiceberg.transforms import VoidTransform | |
| def test_singleton() -> None: | |
| """We want to reuse the readers to avoid creating a gazillion of them""" | |
| assert id(BooleanReader()) == id(BooleanReader()) | |
| assert id(FixedReader(22)) == id(FixedReader(22)) | |
| assert id(FixedReader(19)) != id(FixedReader(25)) | |
| def test_singleton_transform() -> None: | |
| """We want to reuse VoidTransform since it doesn't carry any state""" | |
| assert id(VoidTransform()) == id(VoidTransform()) | |