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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 org.yaml.snakeyaml.representer;
import junit.framework.TestCase;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.Yaml;
public class RepresenterTest extends TestCase {
public void testRepresenter() {
MyBean bean = new MyBean();
bean.setName("Gnome");
bean.setValid(true);
bean.setPrimitive(true);
Yaml yaml = new Yaml();
assertEquals(
"!!org.yaml.snakeyaml.representer.RepresenterTest$MyBean {name: Gnome, primitive: true}\n",
yaml.dump(bean));
}
public static class MyBean {
private String name;
private Boolean valid;
private boolean primitive;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Boolean isValid() {
return valid;
}
public void setValid(Boolean valid) {
this.valid = valid;
}
public boolean isPrimitive() {
return primitive;
}
public void setPrimitive(boolean primitive) {
this.primitive = primitive;
}
}
public void testRepresenterNoConstructorAvailable() {
MyBean2 bean = new MyBean2("Gnome", true);
DumperOptions options = new DumperOptions();
options.setAllowReadOnlyProperties(true);
Yaml yaml = new Yaml(options);
assertEquals("!!org.yaml.snakeyaml.representer.RepresenterTest$MyBean2 {valid: true}\n",
yaml.dump(bean));
}
public static class MyBean2 {
private String name;
private Boolean valid;
public MyBean2(String name, Boolean valid) {
this();
this.name = name;
this.valid = valid;
}
private MyBean2() {
super();
}
private String getName() {
return name;
}
public Boolean getValid() {
return valid;
}
@Override
public String toString() {
return getName() + " " + getValid();
}
}
public void testRepresenterGetterWithException() {
MyBean3 bean = new MyBean3("Gnome", false);
DumperOptions options = new DumperOptions();
options.setAllowReadOnlyProperties(true);
Yaml yaml = new Yaml(options);
try {
String str = yaml.dump(bean);
fail("Exception must be reported: " + str);
} catch (Exception e) {
assertTrue(true);
}
// no exception
MyBean3 bean2 = new MyBean3("Gnome", true);
String str = yaml.dump(bean2);
// isValid is no JavaBean property (it must be a primitive then)
assertEquals("isValid property must not be dumped.",
"!!org.yaml.snakeyaml.representer.RepresenterTest$MyBean3 {boolProperty: true, name: Gnome}\n",
str);
}
public static class MyBean3 {
private final String name;
private final Boolean valid;
private final boolean boolProperty;
public MyBean3(String name, Boolean valid) {
this.name = name;
this.valid = valid;
boolProperty = true;
}
public String getName() {
if (valid) {
return name;
} else {
throw new UnsupportedOperationException("Test.");
}
}
public Boolean isValid() {
return valid;
}
public boolean isBoolProperty() {
return boolProperty;
}
@Override
public String toString() {
return "MyBean3<" + name + ", " + isValid() + ">";
}
}
public void testRepresenterAddNull() {
Representer representer = new Representer();
try {
representer.addClassTag(EmptyBean.class, null);
fail("Tag must be provided.");
} catch (Exception e) {
assertEquals("Tag must be provided.", e.getMessage());
}
}
public void testRepresenterEmptyBean() {
EmptyBean bean = new EmptyBean();
Yaml yaml = new Yaml();
try {
yaml.dump(bean);
fail("EmptyBean has empty representation.");
} catch (Exception e) {
assertEquals(
"No JavaBean properties found in org.yaml.snakeyaml.representer.RepresenterTest$EmptyBean",
e.getMessage());
}
}
public static class EmptyBean {
private int number;
public void process() {
number += 1;
}
public int obtain() {
return number;
}
}
}
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