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    1   /**
    2    * Copyright (c) 2008-2011, http://www.snakeyaml.org
    3    *
    4    * Licensed under the Apache License, Version 2.0 (the "License");
    5    * you may not use this file except in compliance with the License.
    6    * You may obtain a copy of the License at
    7    *
    8    *     http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16
    17  package org.yaml.snakeyaml.constructor;
    18
    19  import java.io.IOException;
    20  import java.util.Date;
    21  import java.util.List;
    22  import java.util.Map;
    23  import java.util.TreeMap;
    24
    25  import junit.framework.TestCase;
    26
    27  import org.yaml.snakeyaml.TypeDescription;
    28  import org.yaml.snakeyaml.Util;
    29  import org.yaml.snakeyaml.Yaml;
    30  import org.yaml.snakeyaml.nodes.Tag;
    31  import org.yaml.snakeyaml.representer.Representer;
    32
    33  public class TypeSafeCollectionsTest extends TestCase {
    34
    35      public void testTypeSafeList() throws IOException {
    36          Constructor constructor = new Constructor(Car.class);
    37          TypeDescription carDescription = new TypeDescription(Car.class);
    38          carDescription.putListPropertyType("wheels", Wheel.class);
    39          constructor.addTypeDescription(carDescription);
    40          Yaml yaml = new Yaml(constructor);
    41          Car car = (Car) yaml.load(Util.getLocalResource("constructor/car-no-root-class.yaml"));
    42          assertEquals("12-XP-F4", car.getPlate());
    43          List<Wheel> wheels = car.getWheels();
    44          assertNotNull(wheels);
    45          assertEquals(5, wheels.size());
    46          for (Wheel wheel : wheels) {
    47              assertTrue(wheel.getId() > 0);
    48          }
    49      }
    50
    51      public void testTypeSafeMap() throws IOException {
    52          Constructor constructor = new Constructor(MyCar.class);
    53          TypeDescription carDescription = new TypeDescription(MyCar.class);
    54          carDescription.putMapPropertyType("wheels", MyWheel.class, Object.class);
    55          constructor.addTypeDescription(carDescription);
    56          Yaml yaml = new Yaml(constructor);
    57          MyCar car = (MyCar) yaml.load(Util
    58                  .getLocalResource("constructor/car-no-root-class-map.yaml"));
    59          assertEquals("00-FF-Q2", car.getPlate());
    60          Map<MyWheel, Date> wheels = car.getWheels();
    61          assertNotNull(wheels);
    62          assertEquals(5, wheels.size());
    63          for (MyWheel wheel : wheels.keySet()) {
    64              assertTrue(wheel.getId() > 0);
    65              Date date = wheels.get(wheel);
    66              long time = date.getTime();
    67              assertTrue("It must be midnight.", time % 10000 == 0);
    68          }
    69      }
    70
    71      public void testWithGlobalTag() throws IOException {
    72          Map<MyWheel, Date> wheels = new TreeMap<MyWheel, Date>();
    73          long time = 1248212168084L;
    74          for (int i = 1; i < 6; i++) {
    75              MyWheel mw = new MyWheel();
    76              mw.setId(i);
    77              mw.setBrand(mw.getBrand() + String.valueOf(i));
    78              wheels.put(mw, new Date(time + i));
    79          }
    80          MyCar c = new MyCar();
    81          c.setPlate("00-FF-Q2");
    82          c.setWheels(wheels);
    83          Representer representer = new Representer();
    84          representer.addClassTag(MyWheel.class, Tag.MAP);
    85          Yaml yaml = new Yaml(representer);
    86          String output = yaml.dump(c);
    87          assertEquals(Util.getLocalResource("javabeans/mycar-with-global-tag1.yaml"), output);
    88          // load
    89          Yaml beanLoader = new Yaml();
    90          MyCar car = beanLoader.loadAs(output, MyCar.class);
    91          assertNotNull(car);
    92          assertEquals("00-FF-Q2", car.getPlate());
    93          assertEquals(5, car.getWheels().size());
    94          for (Date d : car.getWheels().values()) {
    95              // give a day for any timezone
    96              assertTrue(d.before(new Date(time + 1000 * 60 * 60 * 24)));
    97              assertTrue(d.after(new Date(time)));
    98          }
    99          Object wheel = car.getWheels().keySet().iterator().next();
    100         assertTrue(wheel instanceof MyWheel);
    101         MyWheel w = (MyWheel) wheel;
    102         assertEquals(1, w.getId());
    103         assertEquals("Pirelli1", w.getBrand());
    104     }
    105 }