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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;
    18
    19  import java.util.Iterator;
    20
    21  import junit.framework.TestCase;
    22
    23  import org.yaml.snakeyaml.error.YAMLException;
    24
    25  public class YamlTest extends TestCase {
    26
    27      public void testSetNoName() {
    28          Yaml yaml = new Yaml();
    29          assertTrue(yaml.toString().matches("Yaml:\\d+"));
    30      }
    31
    32      public void testSetName() {
    33          Yaml yaml = new Yaml();
    34          yaml.setName("REST");
    35          assertEquals("REST", yaml.getName());
    36          assertEquals("REST", yaml.toString());
    37      }
    38
    39      /**
    40       * Check that documents are parsed only when they are asked to be loaded.
    41       */
    42      public void testOneDocument() {
    43          Yaml yaml = new Yaml();
    44          String doc = "--- a\n--- [:]";
    45          Iterator<Object> loaded = yaml.loadAll(doc).iterator();
    46          assertTrue(loaded.hasNext());
    47          Object obj1 = loaded.next();
    48          assertEquals("a", obj1);
    49          assertTrue(loaded.hasNext());
    50          try {
    51              loaded.next();
    52              fail("Second document is invalid");
    53          } catch (Exception e) {
    54              assertEquals("while parsing a flow node; expected the node content, but found Value",
    55                      e.getMessage());
    56          }
    57      }
    58
    59      public void testOnlyOneDocument() {
    60          Yaml yaml = new Yaml();
    61          String doc = "--- a\n--- b";
    62          try {
    63              yaml.load(doc);
    64              fail("It must be only one document.");
    65          } catch (YAMLException e) {
    66              assertEquals("expected a single document in the stream; but found another document",
    67                      e.getMessage());
    68          }
    69      }
    70  }