content: /*
   * 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.
   */
  
  package com.aliyun.odps.mapred;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNull;
  
  import org.junit.Test;
  
  import com.aliyun.odps.data.TableInfo;
  import com.aliyun.odps.mapred.conf.JobConf;
  import com.aliyun.odps.mapred.utils.InputUtils;
  
  public class InputUtilsTest {
  
    @Test
    public void testAddInputTable() {
      JobConf conf = new JobConf();
      TableInfo table = TableInfo.builder().tableName("t_in").build();
      InputUtils.addTable(table, conf);
      TableInfo[] tables = InputUtils.getTables(conf);
      assertEquals(tables.length, 1);
      assertEquals(table, tables[0]);
    }
  
    @Test
    public void testSetInputTables() {
      JobConf conf = new JobConf();
      TableInfo table = TableInfo.builder().tableName("t_in").build();
      InputUtils.setTables(null, conf);
      TableInfo[] tables = InputUtils.getTables(conf);
      assertNull(tables);
      InputUtils.setTables(new TableInfo[0], conf);
      tables = InputUtils.getTables(conf);
      assertNull(tables);
      InputUtils.addTable(table, conf);
      tables = InputUtils.getTables(conf);
      assertEquals(tables.length, 1);
      assertEquals(table, tables[0]);
  
      InputUtils.setTables(null, conf);
      tables = InputUtils.getTables(conf);
      assertNull(tables);
    }
  }
  