/*
 * 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.phoenix.mapreduce;

import static junit.framework.TestCase.assertTrue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.mockito.Mockito.when;

import java.util.ArrayList;
import java.util.List;
import org.apache.hadoop.mapreduce.TaskAttemptContext;
import org.apache.phoenix.mapreduce.util.ViewInfoTracker;
import org.apache.phoenix.mapreduce.util.ViewInfoWritable;
import org.junit.Test;
import org.mockito.Mockito;

public class PhoenixMultiViewReaderTest {

  @Test
  public void test() throws Exception {
    String tenantId = "Tenant1";
    String viewName = "viewName1";
    long ttl = 1;
    String indexTable = "indexTable";
    String globalView = "globalView";

    PhoenixMultiViewInputSplit mockInput = Mockito.mock(PhoenixMultiViewInputSplit.class);
    TaskAttemptContext mockContext = Mockito.mock(TaskAttemptContext.class);
    List<ViewInfoWritable> viewInfoTracker = new ArrayList<>();
    viewInfoTracker.add(new ViewInfoTracker(tenantId, viewName, ttl, globalView, false));

    viewInfoTracker.add(new ViewInfoTracker(tenantId, viewName, ttl, indexTable, true));
    when(mockInput.getViewInfoTrackerList()).thenReturn(viewInfoTracker);
    PhoenixMultiViewReader phoenixMultiViewReader = new PhoenixMultiViewReader();
    phoenixMultiViewReader.initialize(mockInput, mockContext);

    ViewInfoTracker viewInfoWritable;
    assertTrue(phoenixMultiViewReader.nextKeyValue());
    viewInfoWritable = (ViewInfoTracker) phoenixMultiViewReader.getCurrentValue();
    assertEquals(tenantId, viewInfoWritable.getTenantId());
    assertEquals(viewName, viewInfoWritable.getViewName());
    assertEquals(ttl, viewInfoWritable.getPhoenixTtl());
    assertEquals(false, viewInfoWritable.isIndexRelation());

    assertTrue(phoenixMultiViewReader.nextKeyValue());
    viewInfoWritable = (ViewInfoTracker) phoenixMultiViewReader.getCurrentValue();
    assertEquals(tenantId, viewInfoWritable.getTenantId());
    assertEquals(viewName, viewInfoWritable.getViewName());
    assertEquals(ttl, viewInfoWritable.getPhoenixTtl());
    assertEquals(true, viewInfoWritable.isIndexRelation());

    assertFalse(phoenixMultiViewReader.nextKeyValue());
    viewInfoWritable = (ViewInfoTracker) phoenixMultiViewReader.getCurrentValue();
    assertNull(phoenixMultiViewReader.getCurrentValue());
  }
}
