/*
 * 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.lucene.luke.models.overview;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Map;
import org.junit.Test;

public class TestTermCounts extends OverviewTestBase {

  @Test
  public void testNumTerms() throws Exception {
    TermCounts termCounts = new TermCounts(reader);
    assertEquals(9, termCounts.numTerms());
  }

  @Test
  @SuppressWarnings("unchecked")
  public void testSortedTermCounts_count_asc() throws Exception {
    TermCounts termCounts = new TermCounts(reader);

    Map<String, Long> countsMap = termCounts.sortedTermCounts(TermCountsOrder.COUNT_ASC);
    assertEquals(Arrays.asList("f1", "f2"), new ArrayList<>(countsMap.keySet()));

    assertEquals(3, (long) countsMap.get("f1"));
    assertEquals(6, (long) countsMap.get("f2"));
  }

  @Test
  @SuppressWarnings("unchecked")
  public void testSortedTermCounts_count_desc() throws Exception {
    TermCounts termCounts = new TermCounts(reader);

    Map<String, Long> countsMap = termCounts.sortedTermCounts(TermCountsOrder.COUNT_DESC);
    assertEquals(Arrays.asList("f2", "f1"), new ArrayList<>(countsMap.keySet()));

    assertEquals(3, (long) countsMap.get("f1"));
    assertEquals(6, (long) countsMap.get("f2"));
  }

  @Test
  @SuppressWarnings("unchecked")
  public void testSortedTermCounts_name_asc() throws Exception {
    TermCounts termCounts = new TermCounts(reader);

    Map<String, Long> countsMap = termCounts.sortedTermCounts(TermCountsOrder.NAME_ASC);
    assertEquals(Arrays.asList("f1", "f2"), new ArrayList<>(countsMap.keySet()));

    assertEquals(3, (long) countsMap.get("f1"));
    assertEquals(6, (long) countsMap.get("f2"));
  }

  @Test
  @SuppressWarnings("unchecked")
  public void testSortedTermCounts_name_desc() throws Exception {
    TermCounts termCounts = new TermCounts(reader);

    Map<String, Long> countsMap = termCounts.sortedTermCounts(TermCountsOrder.NAME_DESC);
    assertEquals(Arrays.asList("f2", "f1"), new ArrayList<>(countsMap.keySet()));

    assertEquals(3, (long) countsMap.get("f1"));
    assertEquals(6, (long) countsMap.get("f2"));
  }
}
