/**
 * 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.constructor;

import java.util.List;
import junit.framework.TestCase;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.DumperOptions.FlowStyle;
import org.yaml.snakeyaml.LoaderOptions;
import org.yaml.snakeyaml.TypeDescription;
import org.yaml.snakeyaml.Util;
import org.yaml.snakeyaml.Yaml;

public class ArrayTagsTest extends TestCase {

  public void testDefaultRepresenter() {
    CarWithArray car = new CarWithArray();
    car.setPlate("12-XP-F4");
    Wheel[] wheels = new Wheel[5];
    for (int i = 1; i < 6; i++) {
      Wheel wheel = new Wheel();
      wheel.setId(i);
      wheels[i - 1] = wheel;
    }
    car.setWheels(wheels);
    assertEquals(Util.getLocalResource("constructor/cararray-with-tags-flow-auto.yaml"),
        new Yaml().dump(car));
  }

  public void testFlowBlock() {
    CarWithArray car = new CarWithArray();
    car.setPlate("12-XP-F4");
    Wheel[] wheels = new Wheel[5];
    for (int i = 1; i < 6; i++) {
      Wheel wheel = new Wheel();
      wheel.setId(i);
      wheels[i - 1] = wheel;
    }
    car.setWheels(wheels);
    DumperOptions options = new DumperOptions();
    options.setDefaultFlowStyle(FlowStyle.BLOCK);
    Yaml yaml = new Yaml(options);
    assertEquals(Util.getLocalResource("constructor/cararray-with-tags.yaml"), yaml.dump(car));
  }

  public void testLoadClassTag() {
    Constructor constructor = new Constructor(new LoaderOptions());
    constructor.addTypeDescription(new TypeDescription(Car.class, "!car"));
    Yaml yaml = new Yaml(constructor);
    Car car = yaml.load(Util.getLocalResource("constructor/car-without-tags.yaml"));
    assertEquals("12-XP-F4", car.getPlate());
    List<Wheel> wheels = car.getWheels();
    assertNotNull(wheels);
    assertEquals(5, wheels.size());
  }

  public void testNullDescription() {
    Constructor constructor = new Constructor(new LoaderOptions());
    try {
      constructor.addTypeDescription(null);
      fail("Description is required.");
    } catch (Exception e) {
      assertEquals("TypeDescription is required.", e.getMessage());
    }
  }

  public void testLoadClassNoRoot() {
    Constructor constructor = new Constructor(new TypeDescription(CarWithArray.class));
    Yaml yaml = new Yaml(constructor);
    CarWithArray car = yaml.load(Util.getLocalResource("constructor/car-no-root-class.yaml"));
    assertEquals("12-XP-F4", car.getPlate());
    Wheel[] wheels = car.getWheels();
    assertNotNull(wheels);
    assertEquals(5, wheels.length);
  }

  public static class CarWithArray {

    private String plate;
    private Wheel[] wheels;

    public String getPlate() {
      return plate;
    }

    public void setPlate(String plate) {
      this.plate = plate;
    }

    public Wheel[] getWheels() {
      return wheels;
    }

    public void setWheels(Wheel[] wheels) {
      this.wheels = wheels;
    }
  }
}
