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/**
* 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 examples;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
import junit.framework.TestCase;
import org.yaml.snakeyaml.Yaml;
public class LoadExampleTest extends TestCase {
@SuppressWarnings("unchecked")
public void testLoad() {
Yaml yaml = new Yaml();
String document = "\n- Hesperiidae\n- Papilionidae\n- Apatelodidae\n- Epiplemidae";
List<String> list = yaml.load(document);
assertEquals("[Hesperiidae, Papilionidae, Apatelodidae, Epiplemidae]", list.toString());
}
public void testLoadFromString() {
Yaml yaml = new Yaml();
String document = "hello: 25";
@SuppressWarnings("unchecked")
Map<String, Integer> map = yaml.load(document);
assertEquals("{hello=25}", map.toString());
assertEquals(Integer.valueOf(25), map.get("hello"));
}
public void testLoadFromStream() throws IOException {
InputStream input = new FileInputStream(new File("src/test/resources/reader/utf-8.txt"));
Yaml yaml = new Yaml();
Object data = yaml.load(input);
assertEquals("test", data);
//
data = yaml.load(new ByteArrayInputStream("test2".getBytes(StandardCharsets.UTF_8)));
assertEquals("test2", data);
input.close();
}
public void testLoadManyDocuments() throws IOException {
InputStream input =
new FileInputStream(new File("src/test/resources/specification/example2_28.yaml"));
Yaml yaml = new Yaml();
int counter = 0;
for (Object data : yaml.loadAll(input)) {
assertNotNull(data);
assertTrue(data.toString().length() > 1);
counter++;
}
assertEquals(3, counter);
input.close();
}
public void testLoadManyDocumentsWithIterator() throws IOException {
InputStream input =
new FileInputStream(new File("src/test/resources/specification/example2_28.yaml"));
Yaml yaml = new Yaml();
int counter = 0;
Iterator<Object> iter = yaml.loadAll(input).iterator();
while (iter.hasNext()) {
Object data = iter.next();
assertNotNull(data);
assertTrue(data.toString().length() > 1);
counter++;
}
assertEquals(3, counter);
input.close();
}
public void testLoadManyDocumentsWithIterator2() throws IOException {
InputStream input =
new FileInputStream(new File("src/test/resources/specification/example2_28.yaml"));
Yaml yaml = new Yaml();
Iterator<Object> iter = yaml.loadAll(input).iterator();
Object data = iter.next();
assertNotNull(data);
data = iter.next();
assertNotNull(data);
data = iter.next();
assertNotNull(data);
try {
iter.next();
fail("Expect NoSuchElementException");
} catch (NoSuchElementException e) {
assertEquals("No document is available.", e.getMessage());
}
input.close();
}
}
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