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1   /**
2    * Copyright (c) 2008-2012, 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.parser;
17  
18  import java.util.LinkedList;
19  
20  import junit.framework.TestCase;
21  
22  import org.yaml.snakeyaml.error.Mark;
23  import org.yaml.snakeyaml.events.DocumentEndEvent;
24  import org.yaml.snakeyaml.events.DocumentStartEvent;
25  import org.yaml.snakeyaml.events.Event;
26  import org.yaml.snakeyaml.events.ImplicitTuple;
27  import org.yaml.snakeyaml.events.MappingEndEvent;
28  import org.yaml.snakeyaml.events.MappingStartEvent;
29  import org.yaml.snakeyaml.events.ScalarEvent;
30  import org.yaml.snakeyaml.events.SequenceEndEvent;
31  import org.yaml.snakeyaml.events.SequenceStartEvent;
32  import org.yaml.snakeyaml.events.StreamEndEvent;
33  import org.yaml.snakeyaml.events.StreamStartEvent;
34  import org.yaml.snakeyaml.reader.StreamReader;
35  
36  public class ParserImplTest extends TestCase {
37  
38      public void testGetEvent() {
39          String data = "string: abcd";
40          StreamReader reader = new StreamReader(data);
41          Parser parser = new ParserImpl(reader);
42          Mark dummyMark = new Mark("dummy", 0, 0, 0, "", 0);
43          LinkedList<Event> etalonEvents = new LinkedList<Event>();
44          etalonEvents.add(new StreamStartEvent(dummyMark, dummyMark));
45          etalonEvents.add(new DocumentStartEvent(dummyMark, dummyMark, false, null, null));
46          etalonEvents.add(new MappingStartEvent(null, null, true, dummyMark, dummyMark,
47                  Boolean.FALSE));
48          etalonEvents.add(new ScalarEvent(null, null, new ImplicitTuple(true, false), "string",
49                  dummyMark, dummyMark, (char) 0));
50          etalonEvents.add(new ScalarEvent(null, null, new ImplicitTuple(true, false), "abcd",
51                  dummyMark, dummyMark, (char) 0));
52          etalonEvents.add(new MappingEndEvent(dummyMark, dummyMark));
53          etalonEvents.add(new DocumentEndEvent(dummyMark, dummyMark, false));
54          etalonEvents.add(new StreamEndEvent(dummyMark, dummyMark));
55          while (parser.checkEvent(null)) {
56              Event event = parser.getEvent();
57              if (etalonEvents.isEmpty()) {
58                  fail("unexpected event: " + event);
59              }
60              assertEquals(etalonEvents.removeFirst(), event);
61          }
62          assertFalse("Must contain no more events: " + parser.getEvent(), parser.checkEvent(null));
63      }
64  
65      public void testGetEvent2() {
66          String data = "american:\n  - Boston Red Sox";
67          StreamReader reader = new StreamReader(data);
68          Parser parser = new ParserImpl(reader);
69          Mark dummyMark = new Mark("dummy", 0, 0, 0, "", 0);
70          LinkedList<Event> etalonEvents = new LinkedList<Event>();
71          etalonEvents.add(new StreamStartEvent(dummyMark, dummyMark));
72          etalonEvents.add(new DocumentStartEvent(dummyMark, dummyMark, false, null, null));
73          etalonEvents
74                  .add(new MappingStartEvent(null, null, true, dummyMark, dummyMark, Boolean.TRUE));
75          etalonEvents.add(new ScalarEvent(null, null, new ImplicitTuple(true, false), "american",
76                  dummyMark, dummyMark, (char) 0));
77          etalonEvents.add(new SequenceStartEvent(null, null, true, dummyMark, dummyMark,
78                  Boolean.FALSE));
79          etalonEvents.add(new ScalarEvent(null, null, new ImplicitTuple(true, false),
80                  "Boston Red Sox", dummyMark, dummyMark, (char) 0));
81          etalonEvents.add(new SequenceEndEvent(dummyMark, dummyMark));
82          etalonEvents.add(new MappingEndEvent(dummyMark, dummyMark));
83          etalonEvents.add(new DocumentEndEvent(dummyMark, dummyMark, false));
84          etalonEvents.add(new StreamEndEvent(dummyMark, dummyMark));
85          while (parser.checkEvent(null)) {
86              Event event = parser.getEvent();
87              if (etalonEvents.isEmpty()) {
88                  fail("unexpected event: " + event);
89              }
90              assertEquals(etalonEvents.removeFirst(), event);
91          }
92          assertFalse("Must contain no more events: " + parser.getEvent(), parser.checkEvent(null));
93      }
94  }