rahil-c commented on code in PR #11369: URL: https://github.com/apache/iceberg/pull/11369#discussion_r1861334737
########## core/src/test/java/org/apache/iceberg/rest/responses/TestFetchScanTasksResponseParser.java: ########## @@ -0,0 +1,180 @@ +/* + * 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. + */ +package org.apache.iceberg.rest.responses; + +import static org.apache.iceberg.TestBase.FILE_A; +import static org.apache.iceberg.TestBase.FILE_A_DELETES; +import static org.apache.iceberg.TestBase.PARTITION_SPECS_BY_ID; +import static org.apache.iceberg.TestBase.SCHEMA; +import static org.apache.iceberg.TestBase.SPEC; +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; + +import com.fasterxml.jackson.databind.JsonNode; +import java.util.List; +import org.apache.iceberg.BaseFileScanTask; +import org.apache.iceberg.DeleteFile; +import org.apache.iceberg.FileScanTask; +import org.apache.iceberg.PartitionSpecParser; +import org.apache.iceberg.SchemaParser; +import org.apache.iceberg.expressions.Expressions; +import org.apache.iceberg.expressions.ResidualEvaluator; +import org.junit.jupiter.api.Test; + +public class TestFetchScanTasksResponseParser { + + @Test + public void nullAndEmptyCheck() { + assertThatThrownBy(() -> FetchScanTasksResponseParser.toJson(null)) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage("Invalid fetch scan tasks response: null"); + + assertThatThrownBy(() -> FetchScanTasksResponseParser.fromJson((JsonNode) null)) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage("Invalid fetch scan tasks response: null or empty"); + } + + @Test + public void roundTripSerdeWithEmptyObject() { + assertThatThrownBy( + () -> FetchScanTasksResponseParser.toJson(FetchScanTasksResponse.builder().build())) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage("Invalid response: planTasks and fileScanTask cannot both be null"); + + String emptyJson = "{ }"; + assertThatThrownBy(() -> FetchScanTasksResponseParser.fromJson(emptyJson)) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage("Invalid fetch scan tasks response: null or empty"); + } + + @Test + public void missingRequiredField() { + String missingRequiredFieldJson = "{\"x\": \"val\"}"; + assertThatThrownBy(() -> FetchScanTasksResponseParser.fromJson(missingRequiredFieldJson)) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage("Invalid response: planTasks and fileScanTask cannot both be null"); + } + + @Test + public void roundTripSerdeWithPlanTasks() { + String expectedJson = "{\"plan-tasks\":[\"task1\",\"task2\"]}"; + String json = + FetchScanTasksResponseParser.toJson( + FetchScanTasksResponse.builder().withPlanTasks(List.of("task1", "task2")).build()); + assertThat(json).isEqualTo(expectedJson); + + FetchScanTasksResponse fromResponse = FetchScanTasksResponseParser.fromJson(json); + + // can't do an equality comparison on PlanTableScanRequest because we don't implement + // equals/hashcode + assertThat(FetchScanTasksResponseParser.toJson(fromResponse, false)).isEqualTo(expectedJson); + } + + @Test + public void roundTripSerdeWithDeleteFilesNoFileScanTasksPresent() { + assertThatThrownBy( + () -> + FetchScanTasksResponse.builder() + .withPlanTasks(List.of("task1", "task2")) + .withDeleteFiles(List.of(FILE_A_DELETES)) + .build()) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage( + "Invalid response: deleteFiles should only be returned with fileScanTasks that reference them"); + + String invalidJson = + "{\"plan-tasks\":[\"task1\",\"task2\"]," + + "\"delete-files\":[{\"spec-id\":0,\"content\":\"POSITION_DELETES\"," + + "\"file-path\":\"/path/to/data-a-deletes.parquet\",\"file-format\":\"PARQUET\"," + + "\"partition\":{\"1000\":0},\"file-size-in-bytes\":10,\"record-count\":1}]" + + "}"; + + assertThatThrownBy(() -> FetchScanTasksResponseParser.fromJson(invalidJson)) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage( + "Invalid response: deleteFiles should only be returned with fileScanTasks that reference them"); + } + + @Test + public void roundTripSerdeWithFileScanTasks() { + ResidualEvaluator residualEvaluator = + ResidualEvaluator.of(SPEC, Expressions.equal("id", 1), true); + FileScanTask fileScanTask = + new BaseFileScanTask( + FILE_A, + new DeleteFile[] {FILE_A_DELETES}, + SchemaParser.toJson(SCHEMA), + PartitionSpecParser.toJson(SPEC), + residualEvaluator); + + FetchScanTasksResponse response = + FetchScanTasksResponse.builder() + .withFileScanTasks(List.of(fileScanTask)) + .withDeleteFiles(List.of(FILE_A_DELETES)) + // assume you have set this already + .withSpecsById(PARTITION_SPECS_BY_ID) + .build(); + + String expectedToJson = + "{" + + "\"delete-files\":[{\"spec-id\":0,\"content\":\"POSITION_DELETES\"," + + "\"file-path\":\"/path/to/data-a-deletes.parquet\",\"file-format\":\"PARQUET\"," + + "\"partition\":{\"1000\":0},\"file-size-in-bytes\":10,\"record-count\":1}]," + + "\"file-scan-tasks\":[" + + "{\"data-file\":{\"spec-id\":0,\"content\":\"DATA\",\"file-path\":\"/path/to/data-a.parquet\"," + + "\"file-format\":\"PARQUET\",\"partition\":{\"1000\":0}," + + "\"file-size-in-bytes\":10,\"record-count\":1,\"sort-order-id\":0}," + + "\"delete-file-references\":[0]," + + "\"residual-filter\":{\"type\":\"eq\",\"term\":\"id\",\"value\":1}}]" + + "}"; + + String json = FetchScanTasksResponseParser.toJson(response, false); + assertThat(json).isEqualTo(expectedToJson); + + // make an unbound json where you expect to not have partitions for the data file, + // delete files as service does not send parition spec + String expectedFromJson = + "{" + + "\"delete-files\":[{\"spec-id\":0,\"content\":\"POSITION_DELETES\"," + + "\"file-path\":\"/path/to/data-a-deletes.parquet\",\"file-format\":\"PARQUET\"," + + "\"partition\":{},\"file-size-in-bytes\":10,\"record-count\":1}]," + + "\"file-scan-tasks\":[" + + "{\"data-file\":{\"spec-id\":0,\"content\":\"DATA\",\"file-path\":\"/path/to/data-a.parquet\"," + + "\"file-format\":\"PARQUET\",\"partition\":{}," + + "\"file-size-in-bytes\":10,\"record-count\":1,\"sort-order-id\":0}," + + "\"delete-file-references\":[0]," + + "\"residual-filter\":{\"type\":\"eq\",\"term\":\"id\",\"value\":1}}]" + + "}"; + + FetchScanTasksResponse fromResponse = FetchScanTasksResponseParser.fromJson(json); Review Comment: I used the naming `fromResponse` since the parser is invoking `fromJson`. Maybe we can make this as `nit` for now? -- 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
