nastra commented on code in PR #12808: URL: https://github.com/apache/iceberg/pull/12808#discussion_r2066100567
########## bigquery/src/test/java/org/apache/iceberg/gcp/bigquery/BigQueryTableOperationsTest.java: ########## @@ -0,0 +1,274 @@ +/* + * 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.gcp.bigquery; + +import static org.apache.iceberg.gcp.bigquery.BigQueryMetastoreCatalog.PROJECT_ID; +import static org.apache.iceberg.types.Types.NestedField.required; +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; +import static org.mockito.Mockito.any; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.reset; +import static org.mockito.Mockito.times; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.when; + +import com.google.api.services.bigquery.model.Dataset; +import com.google.api.services.bigquery.model.DatasetReference; +import com.google.api.services.bigquery.model.ExternalCatalogDatasetOptions; +import com.google.api.services.bigquery.model.ExternalCatalogTableOptions; +import com.google.api.services.bigquery.model.StorageDescriptor; +import com.google.api.services.bigquery.model.Table; +import com.google.api.services.bigquery.model.TableReference; +import java.io.File; +import java.io.IOException; +import java.util.Collections; +import java.util.Optional; +import org.apache.commons.io.FileUtils; +import org.apache.commons.io.filefilter.TrueFileFilter; +import org.apache.hadoop.conf.Configuration; +import org.apache.iceberg.CatalogProperties; +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.Schema; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.exceptions.CommitFailedException; +import org.apache.iceberg.exceptions.NoSuchTableException; +import org.apache.iceberg.exceptions.ValidationException; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableMap; +import org.apache.iceberg.types.Types; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.io.TempDir; +import org.mockito.ArgumentCaptor; + +public class BigQueryTableOperationsTest { + + @TempDir private File tempFolder; + public static final String METADATA_LOCATION_PROP = "metadata_location"; + private static final String GCP_PROJECT = "my-project"; + private static final String GCP_REGION = "us"; + private static final String DATASET_ID = "db"; + private static final String TABLE_ID = "tbl"; + private static final TableIdentifier SPARK_TABLE_ID = TableIdentifier.of(DATASET_ID, TABLE_ID); + + private static final TableReference TABLE_REFERENCE = + new TableReference().setProjectId(GCP_PROJECT).setDatasetId(DATASET_ID).setTableId(TABLE_ID); + + private final BigQueryMetastoreClient bigQueryMetaStoreClient = + mock(BigQueryMetastoreClient.class); + + private BigQueryMetastoreCatalog bigQueryMetastoreCatalog; + private BigQueryTableOperations tableOps; + + @BeforeEach + public void before() { + this.bigQueryMetastoreCatalog = new BigQueryMetastoreCatalog(); + this.bigQueryMetastoreCatalog.setConf(new Configuration()); + String warehouseLocation = tempFolder.toPath().resolve("hive-warehouse").toString(); + + bigQueryMetastoreCatalog.initialize( + "CATALOG_ID", + ImmutableMap.of( + PROJECT_ID, + GCP_PROJECT, + CatalogProperties.WAREHOUSE_LOCATION, + warehouseLocation, + CatalogProperties.FILE_IO_IMPL, + "org.apache.iceberg.hadoop.HadoopFileIO"), + GCP_PROJECT, + GCP_REGION, + bigQueryMetaStoreClient); + this.tableOps = (BigQueryTableOperations) bigQueryMetastoreCatalog.newTableOps(SPARK_TABLE_ID); + } + + @Test + public void testFetchLatestMetadataFromBigQuery() throws Exception { + Table createdTable = createTestTable(); + reset(bigQueryMetaStoreClient); + when(bigQueryMetaStoreClient.load(TABLE_REFERENCE)).thenReturn(createdTable); + + tableOps.refresh(); + assertThat( + createdTable + .getExternalCatalogTableOptions() + .getParameters() + .getOrDefault(METADATA_LOCATION_PROP, "")) + .isEqualTo(tableOps.currentMetadataLocation()); + + reset(bigQueryMetaStoreClient); + when(bigQueryMetaStoreClient.load(TABLE_REFERENCE)) + .thenThrow(new NoSuchTableException("error message getTable")); + // Refresh fails when table is not found but metadata already presents. + assertThatThrownBy(() -> tableOps.refresh()) + .isInstanceOf(NoSuchTableException.class) + .hasMessageContaining("error message getTable"); + } + + @Test + public void testFailForNonIcebergTable() { + when(bigQueryMetaStoreClient.load(TABLE_REFERENCE)) + .thenReturn(new Table().setTableReference(TABLE_REFERENCE)); + + assertThatThrownBy(() -> tableOps.refresh()) + .isInstanceOf(ValidationException.class) + .hasMessageContaining("metadata location not found"); + } + + @Test + public void testNoOpWhenMetadataAndTableNotFound() { + when(bigQueryMetaStoreClient.load(TABLE_REFERENCE)) + .thenThrow(new NoSuchTableException("error message getTable")); + // Table not found won't cause errors when the metadata is null. + assertThat(tableOps.currentMetadataLocation()).isNull(); + tableOps.refresh(); + } + + @Test + public void testTableNameAsExpected() { + assertThat(tableOps.tableName()).isEqualTo("db.tbl"); + } + + @Test + public void testUseEtagForUpdateTable() throws Exception { + Table tableWithEtag = createTestTable().setEtag("etag"); + reset(bigQueryMetaStoreClient); + when(bigQueryMetaStoreClient.load(TABLE_REFERENCE)).thenReturn(tableWithEtag, tableWithEtag); Review Comment: ```suggestion when(bigQueryMetaStoreClient.load(TABLE_REFERENCE)).thenReturn(tableWithEtag); ``` I don't think the second one is actually needed -- This is an automated message from the Apache Git Service. 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