smaheshwar-pltr commented on code in PR #1452: URL: https://github.com/apache/iceberg-python/pull/1452#discussion_r1909297301
########## tests/table/test_locations.py: ########## @@ -0,0 +1,123 @@ +# 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 +# specific language governing permissions and limitations +# under the License. +from typing import Optional + +import pytest + +from pyiceberg.partitioning import PartitionField, PartitionFieldValue, PartitionKey, PartitionSpec +from pyiceberg.schema import Schema +from pyiceberg.table.locations import LocationProvider, load_location_provider +from pyiceberg.transforms import IdentityTransform +from pyiceberg.typedef import EMPTY_DICT +from pyiceberg.types import NestedField, StringType + +PARTITION_FIELD = PartitionField(source_id=1, field_id=1002, transform=IdentityTransform(), name="string_field") +PARTITION_KEY = PartitionKey( + raw_partition_field_values=[PartitionFieldValue(PARTITION_FIELD, "example_string")], + partition_spec=PartitionSpec(PARTITION_FIELD), + schema=Schema(NestedField(field_id=1, name="string_field", field_type=StringType(), required=False)), +) + + +class CustomLocationProvider(LocationProvider): + def new_data_location(self, data_file_name: str, partition_key: Optional[PartitionKey] = None) -> str: + return f"custom_location_provider/{data_file_name}" + + +def test_default_location_provider() -> None: + provider = load_location_provider(table_location="table_location", table_properties=EMPTY_DICT) + + assert provider.new_data_location("my_file") == "table_location/data/my_file" + + +def test_custom_location_provider() -> None: + qualified_name = CustomLocationProvider.__module__ + "." + CustomLocationProvider.__name__ + provider = load_location_provider( + table_location="table_location", table_properties={"write.location-provider.impl": qualified_name} + ) + + assert provider.new_data_location("my_file") == "custom_location_provider/my_file" + + +def test_custom_location_provider_single_path() -> None: + with pytest.raises(ValueError, match=r"write\.location-provider\.impl should be full path"): + load_location_provider(table_location="table_location", table_properties={"write.location-provider.impl": "not_found"}) + + +def test_custom_location_provider_not_found() -> None: + with pytest.raises(ValueError, match=r"Could not initialize LocationProvider"): + load_location_provider( + table_location="table_location", table_properties={"write.location-provider.impl": "module.not_found"} + ) + + +def test_object_storage_injects_entropy() -> None: + provider = load_location_provider(table_location="table_location", table_properties={"write.object-storage.enabled": "true"}) + + location = provider.new_data_location("test.parquet") + parts = location.split("/") + + assert len(parts) == 7 + assert parts[0] == "table_location" + assert parts[1] == "data" + # Entropy directories in the middle Review Comment: This test was inspired by https://github.com/apache/iceberg/blob/main/core/src/test/java/org/apache/iceberg/TestLocationProvider.java#L275. fyi, my reading of this was: this tests that there's *some* stuff in the middle. The later `test_hash_injection`/ `testHashInjection` (here vs Java) tests that the hashes themselves are correct. (To me, it made sense for the integration test to have the balance of checking both entropy and that they're binary-hashed, but not the hash itself because that feels unit-test-y) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
