/**
* Copyright (c) 2008-2012, http://www.snakeyaml.org
*
* 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 org.yaml.snakeyaml.types;
import java.util.HashMap;
import java.util.Map;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.DumperOptions.FlowStyle;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.nodes.Node;
import org.yaml.snakeyaml.nodes.Tag;
import org.yaml.snakeyaml.representer.Represent;
import org.yaml.snakeyaml.representer.Representer;
/**
* @see http://yaml.org/type/bool.html
*/
public class BoolTagTest extends AbstractTest {
public void testBool() {
assertEquals(Boolean.TRUE, getMapValue("canonical: true", "canonical"));
assertEquals(Boolean.FALSE, getMapValue("answer: NO", "answer"));
assertEquals(Boolean.TRUE, getMapValue("logical: True", "logical"));
assertEquals(Boolean.TRUE, getMapValue("option: on", "option"));
}
public void testBoolCanonical() {
assertEquals(Boolean.TRUE, getMapValue("canonical: Yes", "canonical"));
assertEquals(Boolean.TRUE, getMapValue("canonical: yes", "canonical"));
assertEquals(Boolean.TRUE, getMapValue("canonical: YES", "canonical"));
assertEquals("yES", getMapValue("canonical: yES", "canonical"));
assertEquals(Boolean.FALSE, getMapValue("canonical: No", "canonical"));
assertEquals(Boolean.FALSE, getMapValue("canonical: NO", "canonical"));
assertEquals(Boolean.FALSE, getMapValue("canonical: no", "canonical"));
assertEquals(Boolean.FALSE, getMapValue("canonical: off", "canonical"));
assertEquals(Boolean.FALSE, getMapValue("canonical: Off", "canonical"));
assertEquals(Boolean.FALSE, getMapValue("canonical: OFF", "canonical"));
assertEquals(Boolean.TRUE, getMapValue("canonical: ON", "canonical"));
assertEquals(Boolean.TRUE, getMapValue("canonical: On", "canonical"));
assertEquals(Boolean.TRUE, getMapValue("canonical: on", "canonical"));
// it looks like it is against the specification but it is like in
// PyYAML
assertEquals("n", getMapValue("canonical: n", "canonical"));
assertEquals("N", getMapValue("canonical: N", "canonical"));
assertEquals("y", getMapValue("canonical: y", "canonical"));
assertEquals("Y", getMapValue("canonical: Y", "canonical"));
}
public void testBoolShorthand() {
assertEquals(Boolean.TRUE, getMapValue("boolean: !!bool true", "boolean"));
}
public void testBoolTag() {
assertEquals(Boolean.TRUE,
getMapValue("boolean: !<tag:yaml.org,2002:bool> true", "boolean"));
}
public void testBoolOut() {
Map<String, Boolean> map = new HashMap<String, Boolean>();
map.put("boolean", Boolean.TRUE);
String output = dump(map);
assertTrue(output, output.contains("boolean: true"));
}
public void testBoolOutAsYes() {
Yaml yaml = new Yaml(new BoolRepresenter("YES"));
String output = yaml.dump(true);
assertEquals("YES\n", output);
}
/**
* test flow style
*/
public void testBoolOutAsEmpty2() {
Yaml yaml = new Yaml(new BoolRepresenter("on"));
Map<String, Boolean> map = new HashMap<String, Boolean>();
map.put("aaa", false);
map.put("bbb", true);
String output = yaml.dump(map);
assertEquals("{aaa: false, bbb: on}\n", output);
}
/**
* test block style
*/
public void testBoolOutAsEmpty3() {
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(FlowStyle.BLOCK);
Yaml yaml = new Yaml(new BoolRepresenter("True"), options);
Map<String, Boolean> map = new HashMap<String, Boolean>();
map.put("aaa", false);
map.put("bbb", true);
String output = yaml.dump(map);
assertEquals("aaa: false\nbbb: True\n", output);
}
private class BoolRepresenter extends Representer {
private String value;
public BoolRepresenter(String value) {
super();
this.value = value;
this.representers.put(Boolean.class, new RepresentBool());
}
// possible values are here http://yaml.org/type/bool.html
// y, Y, n, N should not be used
private class RepresentBool implements Represent {
public Node representData(Object data) {
String v;
if (Boolean.TRUE.equals(data)) {
v = value;
} else {
v = "false";
}
return representScalar(Tag.BOOL, v);
}
}
}
}