/**
* 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.recursive;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import junit.framework.TestCase;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.DumperOptions.FlowStyle;
import org.yaml.snakeyaml.TypeDescription;
import org.yaml.snakeyaml.Util;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.constructor.Constructor;
public class HumanTest extends TestCase {
public void testNoChildren() {
Human father = new Human();
father.setName("Father");
father.setBirthday(new Date(1000000000));
father.setBirthPlace("Leningrad");
father.setBankAccountOwner(father);
Human mother = new Human();
mother.setName("Mother");
mother.setBirthday(new Date(100000000000L));
mother.setBirthPlace("Saint-Petersburg");
father.setPartner(mother);
mother.setPartner(father);
mother.setBankAccountOwner(father);
Yaml yaml = new Yaml();
String output = yaml.dump(father);
String etalon = Util.getLocalResource("recursive/no-children-1.yaml");
assertEquals(etalon, output);
//
Human father2 = (Human) yaml.load(output);
assertNotNull(father2);
assertEquals("Father", father2.getName());
assertEquals("Mother", father2.getPartner().getName());
assertEquals("Father", father2.getBankAccountOwner().getName());
assertSame(father2, father2.getBankAccountOwner());
}
public void testNoChildrenPretty() {
Human father = new Human();
father.setName("Father");
father.setBirthday(new Date(1000000000));
father.setBirthPlace("Leningrad");
father.setBankAccountOwner(father);
Human mother = new Human();
mother.setName("Mother");
mother.setBirthday(new Date(100000000000L));
mother.setBirthPlace("Saint-Petersburg");
father.setPartner(mother);
mother.setPartner(father);
mother.setBankAccountOwner(father);
DumperOptions options = new DumperOptions();
options.setPrettyFlow(true);
options.setDefaultFlowStyle(FlowStyle.FLOW);
Yaml yaml = new Yaml(options);
String output = yaml.dump(father);
String etalon = Util.getLocalResource("recursive/no-children-1-pretty.yaml");
assertEquals(etalon, output);
//
Human father2 = (Human) yaml.load(output);
assertNotNull(father2);
assertEquals("Father", father2.getName());
assertEquals("Mother", father2.getPartner().getName());
assertEquals("Father", father2.getBankAccountOwner().getName());
assertSame(father2, father2.getBankAccountOwner());
}
public void testChildren() {
Human father = new Human();
father.setName("Father");
father.setBirthday(new Date(1000000000));
father.setBirthPlace("Leningrad");
father.setBankAccountOwner(father);
//
Human mother = new Human();
mother.setName("Mother");
mother.setBirthday(new Date(100000000000L));
mother.setBirthPlace("Saint-Petersburg");
father.setPartner(mother);
mother.setPartner(father);
mother.setBankAccountOwner(father);
//
Human son = new Human();
son.setName("Son");
son.setBirthday(new Date(310000000000L));
son.setBirthPlace("Munich");
son.setBankAccountOwner(father);
son.setFather(father);
son.setMother(mother);
//
Human daughter = new Human();
daughter.setName("Daughter");
daughter.setBirthday(new Date(420000000000L));
daughter.setBirthPlace("New York");
daughter.setBankAccountOwner(father);
daughter.setFather(father);
daughter.setMother(mother);
//
Set<Human> children = new LinkedHashSet<Human>(2);
children.add(son);
children.add(daughter);
father.setChildren(children);
mother.setChildren(children);
//
Yaml beanDumper = new Yaml();
String output = beanDumper.dumpAsMap(son);
// System.out.println(output);
String etalon = Util.getLocalResource("recursive/with-children.yaml");
assertEquals(etalon, output);
TypeDescription humanDescription = new TypeDescription(Human.class);
humanDescription.putMapPropertyType("children", Human.class, Object.class);
Yaml beanLoader = new Yaml(new Constructor(humanDescription));
//
Human son2 = beanLoader.loadAs(output, Human.class);
assertNotNull(son2);
assertEquals("Son", son.getName());
Human father2 = son2.getFather();
assertEquals("Father", father2.getName());
assertEquals("Mother", son2.getMother().getName());
assertSame(father2, father2.getBankAccountOwner());
assertSame(father2.getPartner(), son2.getMother());
assertSame(father2, son2.getMother().getPartner());
Set<Human> children2 = father2.getChildren();
assertEquals(2, children2.size());
assertSame(father2.getPartner().getChildren(), children2);
for (Object child : children2) {
// check if type descriptor was correct
assertSame(Human.class, child.getClass());
}
// check if hashCode is correct
validateSet(children2);
}
public void testChildrenPretty() {
Human father = new Human();
father.setName("Father");
father.setBirthday(new Date(1000000000));
father.setBirthPlace("Leningrad");
father.setBankAccountOwner(father);
//
Human mother = new Human();
mother.setName("Mother");
mother.setBirthday(new Date(100000000000L));
mother.setBirthPlace("Saint-Petersburg");
father.setPartner(mother);
mother.setPartner(father);
mother.setBankAccountOwner(father);
//
Human son = new Human();
son.setName("Son");
son.setBirthday(new Date(310000000000L));
son.setBirthPlace("Munich");
son.setBankAccountOwner(father);
son.setFather(father);
son.setMother(mother);
//
Human daughter = new Human();
daughter.setName("Daughter");
daughter.setBirthday(new Date(420000000000L));
daughter.setBirthPlace("New York");
daughter.setBankAccountOwner(father);
daughter.setFather(father);
daughter.setMother(mother);
//
Set<Human> children = new LinkedHashSet<Human>(2);
children.add(son);
children.add(daughter);
father.setChildren(children);
mother.setChildren(children);
//
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(FlowStyle.FLOW);
options.setPrettyFlow(true);
Yaml beanDumper = new Yaml(options);
String output = beanDumper.dump(son);
// System.out.println(output);
String etalon = Util.getLocalResource("recursive/with-children-pretty.yaml");
assertEquals(etalon, output);
TypeDescription humanDescription = new TypeDescription(Human.class);
humanDescription.putMapPropertyType("children", Human.class, Object.class);
Yaml beanLoader = new Yaml(new Constructor(humanDescription));
//
Human son2 = beanLoader.loadAs(output, Human.class);
assertNotNull(son2);
assertEquals("Son", son.getName());
Human father2 = son2.getFather();
assertEquals("Father", father2.getName());
assertEquals("Mother", son2.getMother().getName());
assertSame(father2, father2.getBankAccountOwner());
assertSame(father2.getPartner(), son2.getMother());
assertSame(father2, son2.getMother().getPartner());
Set<Human> children2 = father2.getChildren();
assertEquals(2, children2.size());
assertSame(father2.getPartner().getChildren(), children2);
for (Object child : children2) {
// check if type descriptor was correct
assertSame(Human.class, child.getClass());
}
// check if hashCode is correct
validateSet(children2);
}
public void testChildren2() {
Human2 father = new Human2();
father.setName("Father");
father.setBirthday(new Date(1000000000));
father.setBirthPlace("Leningrad");
father.setBankAccountOwner(father);
//
Human2 mother = new Human2();
mother.setName("Mother");
mother.setBirthday(new Date(100000000000L));
mother.setBirthPlace("Saint-Petersburg");
father.setPartner(mother);
mother.setPartner(father);
mother.setBankAccountOwner(father);
//
Human2 son = new Human2();
son.setName("Son");
son.setBirthday(new Date(310000000000L));
son.setBirthPlace("Munich");
son.setBankAccountOwner(father);
son.setFather(father);
son.setMother(mother);
//
Human2 daughter = new Human2();
daughter.setName("Daughter");
daughter.setBirthday(new Date(420000000000L));
daughter.setBirthPlace("New York");
daughter.setBankAccountOwner(father);
daughter.setFather(father);
daughter.setMother(mother);
//
HashMap<Human2, String> children = new LinkedHashMap<Human2, String>(2);
children.put(son, "son");
children.put(daughter, "daughter");
father.setChildren(children);
mother.setChildren(children);
//
Constructor constructor = new Constructor(Human2.class);
TypeDescription humanDescription = new TypeDescription(Human2.class);
humanDescription.putMapPropertyType("children", Human2.class, String.class);
constructor.addTypeDescription(humanDescription);
Yaml yaml = new Yaml(constructor);
String output = yaml.dump(son);
// System.out.println(output);
String etalon = Util.getLocalResource("recursive/with-children-2.yaml");
assertEquals(etalon, output);
//
Human2 son2 = (Human2) yaml.load(output);
assertNotNull(son2);
assertEquals("Son", son.getName());
Human2 father2 = son2.getFather();
assertEquals("Father", father2.getName());
assertEquals("Mother", son2.getMother().getName());
assertSame(father2, father2.getBankAccountOwner());
assertSame(father2.getPartner(), son2.getMother());
assertSame(father2, son2.getMother().getPartner());
Map<Human2, String> children2 = father2.getChildren();
assertEquals(2, children2.size());
assertSame(father2.getPartner().getChildren(), children2);
validateMapKeys(children2);
}
public void testChildren3() {
Human3 father = new Human3();
father.setName("Father");
father.setBirthday(new Date(1000000000));
father.setBirthPlace("Leningrad");
father.setBankAccountOwner(father);
//
Human3 mother = new Human3();
mother.setName("Mother");
mother.setBirthday(new Date(100000000000L));
mother.setBirthPlace("Saint-Petersburg");
father.setPartner(mother);
mother.setPartner(father);
mother.setBankAccountOwner(father);
//
Human3 son = new Human3();
son.setName("Son");
son.setBirthday(new Date(310000000000L));
son.setBirthPlace("Munich");
son.setBankAccountOwner(father);
son.setFather(father);
son.setMother(mother);
//
Human3 daughter = new Human3();
daughter.setName("Daughter");
daughter.setBirthday(new Date(420000000000L));
daughter.setBirthPlace("New York");
daughter.setBankAccountOwner(father);
daughter.setFather(father);
daughter.setMother(mother);
//
ArrayList<Human3> children = new ArrayList<Human3>();
children.add(son);
children.add(daughter);
father.setChildren(children);
mother.setChildren(children);
//
Constructor constructor = new Constructor(Human3.class);
TypeDescription Human3Description = new TypeDescription(Human3.class);
Human3Description.putListPropertyType("children", Human3.class);
constructor.addTypeDescription(Human3Description);
Yaml yaml = new Yaml(constructor);
String output = yaml.dump(son);
// System.out.println(output);
String etalon = Util.getLocalResource("recursive/with-children-3.yaml");
assertEquals(etalon, output);
//
Human3 son2 = (Human3) yaml.load(output);
assertNotNull(son2);
assertEquals("Son", son.getName());
Human3 father2 = son2.getFather();
assertEquals("Father", father2.getName());
assertEquals("Mother", son2.getMother().getName());
assertSame(father2, father2.getBankAccountOwner());
assertSame(father2.getPartner(), son2.getMother());
assertSame(father2, son2.getMother().getPartner());
List<Human3> children2 = father2.getChildren();
assertEquals(2, children2.size());
assertSame(father2.getPartner().getChildren(), children2);
for (Object child : children2) {
// check if type descriptor was correct
assertSame(Human3.class, child.getClass());
}
}
/*
* Loads same structure as created in testChildren. But root object is set
* of children
*/
@SuppressWarnings("unchecked")
public void testChildrenSetAsRoot() {
String etalon = Util.getLocalResource("recursive/with-children-as-set.yaml");
Constructor constructor = new Constructor();
TypeDescription humanDescription = new TypeDescription(Human.class);
humanDescription.putMapPropertyType("children", Human.class, Object.class);
constructor.addTypeDescription(humanDescription);
Yaml yaml = new Yaml(constructor);
Set<Human> children2 = (Set<Human>) yaml.load(etalon);
assertNotNull(children2);
assertEquals(2, children2.size());
Human firstChild = children2.iterator().next();
Human father2 = firstChild.getFather();
assertEquals("Father", father2.getName());
assertEquals("Mother", firstChild.getMother().getName());
assertSame(father2, father2.getBankAccountOwner());
assertSame(father2.getPartner(), firstChild.getMother());
assertSame(father2, firstChild.getMother().getPartner());
assertSame(father2.getPartner().getChildren(), children2);
for (Object child : children2) {
// check if type descriptor was correct
assertSame(Human.class, child.getClass());
}
validateSet(children2);
}
/*
* Loads same structure as created in testChildren. But root object is map
* of children
*/
@SuppressWarnings("unchecked")
public void testChildrenMapAsRoot() {
String etalon = Util.getLocalResource("recursive/with-children-as-map.yaml");
Constructor constructor = new Constructor();
TypeDescription Human2Description = new TypeDescription(Human2.class);
Human2Description.putMapPropertyType("children", Human2.class, String.class);
constructor.addTypeDescription(Human2Description);
Yaml yaml = new Yaml(constructor);
Map<Human2, String> children2 = (Map<Human2, String>) yaml.load(etalon);
assertNotNull(children2);
assertEquals(2, children2.size());
Entry<Human2, String> firstEntry = children2.entrySet().iterator().next();
Human2 firstChild = firstEntry.getKey();
Human2 father2 = firstChild.getFather();
assertEquals("Father", father2.getName());
assertEquals("Mother", firstChild.getMother().getName());
assertSame(father2, father2.getBankAccountOwner());
assertSame(father2.getPartner(), firstChild.getMother());
assertSame(father2, firstChild.getMother().getPartner());
assertSame(father2.getPartner().getChildren(), children2);
validateMapKeys(children2);
}
/*
* Loads same structure as created in testChildren. But root object is list
* of children
*/
@SuppressWarnings("unchecked")
public void testChildrenListRoot() {
Human3 father = new Human3();
father.setName("Father");
father.setBirthday(new Date(1000000000));
father.setBirthPlace("Leningrad");
father.setBankAccountOwner(father);
//
Human3 mother = new Human3();
mother.setName("Mother");
mother.setBirthday(new Date(100000000000L));
mother.setBirthPlace("Saint-Petersburg");
father.setPartner(mother);
mother.setPartner(father);
mother.setBankAccountOwner(father);
//
Human3 son = new Human3();
son.setName("Son");
son.setBirthday(new Date(310000000000L));
son.setBirthPlace("Munich");
son.setBankAccountOwner(father);
son.setFather(father);
son.setMother(mother);
//
Human3 daughter = new Human3();
daughter.setName("Daughter");
daughter.setBirthday(new Date(420000000000L));
daughter.setBirthPlace("New York");
daughter.setBankAccountOwner(father);
daughter.setFather(father);
daughter.setMother(mother);
//
ArrayList<Human3> children = new ArrayList<Human3>();
children.add(son);
children.add(daughter);
father.setChildren(children);
mother.setChildren(children);
//
Constructor constructor = new Constructor();
TypeDescription Human3Description = new TypeDescription(Human3.class);
Human3Description.putListPropertyType("children", Human3.class);
constructor.addTypeDescription(Human3Description);
Yaml yaml = new Yaml(constructor);
String output = yaml.dump(father.getChildren());
// System.out.println(output);
String etalon = Util.getLocalResource("recursive/with-children-as-list.yaml");
assertEquals(etalon, output);
//
List<Human3> children2 = (List<Human3>) yaml.load(output);
assertNotNull(children2);
Human3 son2 = children2.iterator().next();
assertEquals(2, children2.size());
Human3 father2 = son2.getFather();
assertEquals("Father", father2.getName());
assertEquals("Mother", son2.getMother().getName());
assertSame(father2, father2.getBankAccountOwner());
assertSame(father2.getPartner(), son2.getMother());
assertSame(father2, son2.getMother().getPartner());
assertSame(father2.getPartner().getChildren(), children2);
for (Object child : children2) {
// check if type descriptor was correct
assertSame(Human3.class, child.getClass());
}
}
public void testBeanRing() {
Human man1 = new Human();
man1.setName("Man 1");
Human man2 = new Human();
man2.setName("Man 2");
Human man3 = new Human();
man3.setName("Man 3");
man1.setBankAccountOwner(man2);
man2.setBankAccountOwner(man3);
man3.setBankAccountOwner(man1);
//
Yaml yaml = new Yaml();
String output = yaml.dump(man1);
// System.out.println(output);
String etalon = Util.getLocalResource("recursive/beanring-3.yaml");
assertEquals(etalon, output);
//
Human loadedMan1 = (Human) yaml.load(output);
assertNotNull(loadedMan1);
assertEquals("Man 1", loadedMan1.getName());
Human loadedMan2 = loadedMan1.getBankAccountOwner();
Human loadedMan3 = loadedMan2.getBankAccountOwner();
assertSame(loadedMan1, loadedMan3.getBankAccountOwner());
}
public void qtestCollectionRing() {
// Set<Object> set = new HashSet<Object>();
// List<Object> list = new ArrayList<Object>();
// Map<Object, Object> map = new HashMap<Object, Object>();
// set.add(list);
// list.add(map);
// map.put("1", set);
// //
// try {
// Yaml yaml = new Yaml();
// String output = yaml.dump(set);
// // String etalon = Util.getLocalResource("recursive/???.yaml");
// // assertEquals(etalon, output);
// //
// // Set<Object> loadedSet = (Set<Object>) yaml.load(output);
// } catch (StackOverflowError e) {
// fail("Cannot dump recursive collections.");
// }
}
/**
* Checks if object was put into the set after full construction. So the
* hashCode was calculated correctly (if it depends on internal object's
* state).
*
* @param set
*/
private void validateSet(Set<?> set) {
for (Object object : set) {
assertTrue(set.contains(object));
}
}
/**
* Checks if object was put into the map as key after full construction. So
* the hashCode was calculated correctly (if it depends on internal object's
* state).
*
* @param map
*/
private void validateMapKeys(Map<?, ?> map) {
for (Map.Entry<?, ?> entry : map.entrySet()) {
assertTrue(map.containsKey(entry.getKey()));
}
}
public void testChildrenWithoutRootTag() {
Human father = new Human();
father.setName("Father");
father.setBirthday(new Date(1000000000));
father.setBirthPlace("Leningrad");
father.setBankAccountOwner(father);
//
Human mother = new Human();
mother.setName("Mother");
mother.setBirthday(new Date(100000000000L));
mother.setBirthPlace("Saint-Petersburg");
father.setPartner(mother);
mother.setPartner(father);
mother.setBankAccountOwner(father);
//
Human son = new Human();
son.setName("Son");
son.setBirthday(new Date(310000000000L));
son.setBirthPlace("Munich");
son.setBankAccountOwner(father);
son.setFather(father);
son.setMother(mother);
//
Human daughter = new Human();
daughter.setName("Daughter");
daughter.setBirthday(new Date(420000000000L));
daughter.setBirthPlace("New York");
daughter.setBankAccountOwner(father);
daughter.setFather(father);
daughter.setMother(mother);
//
Set<Human> children = new LinkedHashSet<Human>(2);
children.add(son);
children.add(daughter);
father.setChildren(children);
mother.setChildren(children);
//
Yaml beanDumper = new Yaml();
String output = beanDumper.dumpAsMap(son);
// System.out.println(output);
String etalon = Util.getLocalResource("recursive/with-children-no-root-tag.yaml");
assertEquals(etalon, output);
TypeDescription humanDescription = new TypeDescription(Human.class);
humanDescription.putMapPropertyType("children", Human.class, Object.class);
Yaml beanLoader = new Yaml(new Constructor(humanDescription));
//
Human son2 = beanLoader.loadAs(output, Human.class);
assertNotNull(son2);
assertEquals("Son", son.getName());
Human father2 = son2.getFather();
assertEquals("Father", father2.getName());
assertEquals("Mother", son2.getMother().getName());
assertSame(father2, father2.getBankAccountOwner());
assertSame(father2.getPartner(), son2.getMother());
assertSame(father2, son2.getMother().getPartner());
Set<Human> children2 = father2.getChildren();
assertEquals(2, children2.size());
assertSame(father2.getPartner().getChildren(), children2);
for (Object child : children2) {
// check if type descriptor was correct
assertSame(Human.class, child.getClass());
}
// check if hashCode is correct
validateSet(children2);
}
}