/**
 * 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 examples;

import java.util.List;
import junit.framework.TestCase;
import org.yaml.snakeyaml.LoaderOptions;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.constructor.SafeConstructor;

public class SafeConstructorExampleTest extends TestCase {

  @SuppressWarnings("unchecked")
  public void testConstruct() {
    String doc = "- 5\n- Person\n- true";
    Yaml yaml = new Yaml(new SafeConstructor(new LoaderOptions()));
    List<Object> list = yaml.load(doc);
    assertEquals(3, list.size());
    assertEquals(Integer.valueOf(5), list.get(0));
    assertEquals("Person", list.get(1));
    assertEquals(Boolean.TRUE, list.get(2));
  }

  public void testSafeConstruct() {
    String doc =
        "- 5\n- !org.yaml.snakeyaml.constructor.Person\n  firstName: Andrey\n  age: 99\n- true";
    Yaml yaml = new Yaml(new SafeConstructor(new LoaderOptions()));
    try {
      yaml.load(doc);
      fail("Custom Java classes should not be created.");
    } catch (Exception e) {
      assertEquals(
          "could not determine a constructor for the tag !org.yaml.snakeyaml.constructor.Person\n"
              + " in 'string', line 2, column 3:\n"
              + "    - !org.yaml.snakeyaml.constructor. ... \n" + "      ^\n",
          e.getMessage());
    }
  }
}