| /* |
| * 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.drill.metastore.mongo.components.tables; |
| |
| import org.apache.drill.metastore.components.tables.TableMetadataUnit; |
| import org.bson.Document; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import java.lang.invoke.MethodHandle; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class TestTablesOutputDataTransformer { |
| |
| private static Map<String, MethodHandle> unitSetters; |
| |
| @BeforeClass |
| public static void init() { |
| unitSetters = TableMetadataUnit.SCHEMA.unitBuilderSetters(); |
| } |
| |
| @Test |
| public void testNoData() { |
| List<TableMetadataUnit> actualResult = new TablesOutputDataTransformer(unitSetters) |
| .columns(Arrays.asList("storagePlugin", "workspace", "tableName")) |
| .documents(Collections.emptyList()) |
| .execute(); |
| |
| assertEquals(Collections.emptyList(), actualResult); |
| } |
| |
| @Test |
| public void testValidDataOneRecord() { |
| Map<String, String> partitionKeys = new HashMap<>(); |
| partitionKeys.put("dir0", "2018"); |
| partitionKeys.put("dir1", "2019"); |
| List<String> partitionValues = Arrays.asList("a", "b", "c"); |
| Long lastModifiedTime = System.currentTimeMillis(); |
| |
| Document record = new Document(); |
| record.append("storagePlugin", "dfs"); |
| record.append("workspace", "tmp"); |
| record.append("tableName", "nation"); |
| record.append("partitionKeys", partitionKeys); |
| record.append("partitionValues", partitionValues); |
| record.append("lastModifiedTime", lastModifiedTime); |
| |
| List<TableMetadataUnit> actualResult = new TablesOutputDataTransformer(unitSetters) |
| .columns(Arrays.asList("storagePlugin", "workspace", "tableName", |
| "partitionKeys", "partitionValues", "lastModifiedTime")) |
| .documents(Collections.singletonList(record)) |
| .execute(); |
| |
| List<TableMetadataUnit> expectedResult = Collections.singletonList(TableMetadataUnit.builder() |
| .storagePlugin("dfs") |
| .workspace("tmp") |
| .tableName("nation") |
| .partitionKeys(partitionKeys) |
| .partitionValues(partitionValues) |
| .lastModifiedTime(lastModifiedTime) |
| .build()); |
| |
| assertEquals(expectedResult, actualResult); |
| } |
| |
| @Test |
| public void testValidDataSeveralRecords() { |
| Document record1 = new Document(); |
| record1.append("tableName", "a"); |
| |
| Document record2 = new Document(); |
| record2.append("tableName", "b"); |
| |
| Document record3 = new Document(); |
| record3.append("tableName", "c"); |
| |
| |
| List<TableMetadataUnit> actualResult = new TablesOutputDataTransformer(unitSetters) |
| .columns(Collections.singletonList("tableName")) |
| .documents(Arrays.asList(record1, record2, record3)) |
| .execute(); |
| |
| List<TableMetadataUnit> expectedResult = Arrays.asList( |
| TableMetadataUnit.builder().tableName("a").build(), |
| TableMetadataUnit.builder().tableName("b").build(), |
| TableMetadataUnit.builder().tableName("c").build()); |
| |
| assertEquals(expectedResult, actualResult); |
| } |
| |
| @Test |
| public void testInvalidColumns() { |
| Document record = new Document(); |
| record.append("tableName", "a"); |
| |
| List<TableMetadataUnit> actualResult = new TablesOutputDataTransformer(unitSetters) |
| .documents(Collections.singletonList(record)) |
| .columns(Arrays.asList("a", "b")) |
| .execute(); |
| |
| assertEquals(Collections.emptyList(), actualResult); |
| } |
| } |