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      1 /**
      2  * Copyright (c) 2008, 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 package org.yaml.snakeyaml.lowlevel;
     17 
     18 import java.io.StringReader;
     19 import java.util.ArrayList;
     20 import java.util.HashMap;
     21 import java.util.List;
     22 import java.util.Map;
     23 
     24 import junit.framework.TestCase;
     25 
     26 import org.yaml.snakeyaml.Yaml;
     27 import org.yaml.snakeyaml.events.Event;
     28 import org.yaml.snakeyaml.events.ScalarEvent;
     29 import org.yaml.snakeyaml.nodes.Node;
     30 
     31 public class LowLevelApiTest extends TestCase {
     32 
     33     public void testLowLevel() {
     34         List<Object> list = new ArrayList<Object>();
     35         list.add(1);
     36         list.add("abc");
     37         Map<String, String> map = new HashMap<String, String>();
     38         map.put("name", "Tolstoy");
     39         map.put("book", "War and People");
     40         list.add(map);
     41         Yaml yaml = new Yaml();
     42         String etalon = yaml.dump(list);
     43         // System.out.println(etalon);
     44         //
     45         Node node = yaml.represent(list);
     46         // System.out.println(node);
     47         assertEquals(
     48                 "Representation tree from an object and from its YAML document must be the same.",
     49                 yaml.compose(new StringReader(etalon)).toString(), node.toString());
     50         //
     51         List<Event> events = yaml.serialize(node);
     52         int i = 0;
     53         for (Event etalonEvent : yaml.parse(new StringReader(etalon))) {
     54             Event ev1 = events.get(i++);
     55             assertEquals(etalonEvent.getClass(), ev1.getClass());
     56             if (etalonEvent instanceof ScalarEvent) {
     57                 ScalarEvent scalar1 = (ScalarEvent) etalonEvent;
     58                 ScalarEvent scalar2 = (ScalarEvent) ev1;
     59                 assertEquals(scalar1.getAnchor(), scalar2.getAnchor());
     60                 assertEquals(scalar1.getValue(), scalar2.getValue());
     61             }
     62         }
     63         assertEquals(i, events.size());
     64     }
     65 }
     66