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path: root/src/test/java/org/yaml/snakeyaml/issues/issue103/MergingTest.java
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/**
 * Copyright (c) 2008, SnakeYAML
 *
 * Licensed 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.yaml.snakeyaml.issues.issue103;

import java.util.List;
import java.util.Map;
import junit.framework.TestCase;
import org.yaml.snakeyaml.Util;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.constructor.Constructor;

public class MergingTest extends TestCase {

  @SuppressWarnings({"rawtypes", "unchecked"})
  public void testMergeWithDefaultMap() {
    String input = Util.getLocalResource("issues/issue103.yaml");
    // System.out.println(input);
    Yaml yaml = new Yaml();

    check((Map) yaml.load(input));
  }

  @SuppressWarnings({"unchecked", "rawtypes"})
  public void testMergeWithFakeMap() {
    String input = Util.getLocalResource("issues/issue103.yaml");
    // System.out.println(input);
    Constructor c = new Constructor() {
      protected java.util.Map<Object, Object> createDefaultMap(int size) {
        return new FakeMap<Object, Object>();
      }
    };

    Yaml yaml = new Yaml(c);

    check((FakeMap) yaml.load(input));
  }

  private void check(Map<String, List<Map<Object, Object>>> map) {

    assertEquals(2, map.size());
    assertTrue(map.containsKey("input"));
    assertTrue(map.containsKey("result"));

    // input: ...
    List<Map<Object, Object>> inputList = map.get("input");
    assertEquals(4, inputList.size());

    Map<Object, Object> center = inputList.get(0);
    assertEquals(2, center.size());
    assertEquals(Integer.valueOf(1), center.get("x"));
    assertEquals(Integer.valueOf(2), center.get("y"));

    Map<Object, Object> left = inputList.get(1);
    assertEquals(2, left.size());
    assertEquals(Integer.valueOf(0), left.get("x"));
    assertEquals(Integer.valueOf(2), left.get("y"));

    Map<Object, Object> big = inputList.get(2);
    assertEquals(1, big.size());
    assertEquals(Integer.valueOf(10), big.get("r"));

    Map<Object, Object> small = inputList.get(3);
    assertEquals(1, small.size());
    assertEquals(Integer.valueOf(1), small.get("r"));

    // result : ...
    List<Map<Object, Object>> resultList = map.get("result");
    assertEquals(5, resultList.size());

    Map<Object, Object> explicitKeys = resultList.get(0);
    assertEquals(4, explicitKeys.size());
    assertEquals(Integer.valueOf(1), explicitKeys.get("x"));
    assertEquals(Integer.valueOf(2), explicitKeys.get("y"));
    assertEquals(Integer.valueOf(10), explicitKeys.get("r"));
    assertEquals("center/big", explicitKeys.get("label"));

    Map<?, ?> merge_center = resultList.get(1);
    assertEquals(4, merge_center.size());
    assertEquals(Integer.valueOf(1), merge_center.get("x"));
    assertEquals(Integer.valueOf(2), merge_center.get("y"));
    assertEquals(Integer.valueOf(10), merge_center.get("r"));
    assertEquals("center/big", merge_center.get("label"));

    Map<?, ?> merge_left_override = resultList.get(2);
    assertEquals(4, merge_left_override.size());
    assertEquals(Integer.valueOf(0), merge_left_override.get("x"));
    assertEquals(Integer.valueOf(5), merge_left_override.get("y"));
    assertEquals(Integer.valueOf(10), merge_left_override.get("r"));
    assertEquals("center/big", merge_left_override.get("label"));

    Map<?, ?> merge_center_big = resultList.get(3);
    assertEquals(4, merge_center_big.size());
    assertEquals(Integer.valueOf(1), merge_center_big.get("x"));
    assertEquals(Integer.valueOf(2), merge_center_big.get("y"));
    assertEquals(Integer.valueOf(10), merge_center_big.get("r"));
    assertEquals("center/big", merge_center_big.get("label"));

    Map<?, ?> merge_big_left_small_override = resultList.get(4);
    assertEquals(4, merge_big_left_small_override.size());
    assertEquals(Integer.valueOf(1), merge_big_left_small_override.get("x"));
    assertEquals(Integer.valueOf(2), merge_big_left_small_override.get("y"));
    assertEquals(Integer.valueOf(10), merge_big_left_small_override.get("r"));
    assertEquals("center/big", merge_big_left_small_override.get("label"));
  }
}