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- /*
- * Copyright 2000-2016 Vaadin Ltd.
- *
- * 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 com.vaadin.data;
-
- import java.io.ByteArrayInputStream;
- import java.io.ByteArrayOutputStream;
- import java.io.ObjectInputStream;
- import java.io.ObjectOutputStream;
- import java.lang.reflect.Field;
- import java.util.Arrays;
- import java.util.HashSet;
- import java.util.Map;
- import java.util.Optional;
- import java.util.Set;
- import java.util.stream.Collectors;
-
- import org.junit.Assert;
- import org.junit.Test;
-
- import com.vaadin.data.provider.bov.Person;
- import com.vaadin.tests.data.bean.Address;
- import com.vaadin.tests.data.bean.Country;
- import com.vaadin.tests.data.bean.FatherAndSon;
- import com.vaadin.tests.data.bean.Sex;
- import com.vaadin.tests.server.ClassesSerializableTest;
-
- public class BeanPropertySetTest {
- @Test
- public void testSerializeDeserialize_propertySet() throws Exception {
- PropertySet<Person> originalPropertySet = BeanPropertySet
- .get(Person.class);
-
- PropertySet<Person> deserializedPropertySet = ClassesSerializableTest
- .serializeAndDeserialize(originalPropertySet);
-
- Assert.assertSame(
- "Deserialized instance should be the same as the original",
- originalPropertySet, deserializedPropertySet);
- }
-
- @Test
- public void testSerializeDeserialize_propertySet_cacheCleared()
- throws Exception {
- PropertySet<Person> originalPropertySet = BeanPropertySet
- .get(Person.class);
-
- ByteArrayOutputStream bs = new ByteArrayOutputStream();
- ObjectOutputStream out = new ObjectOutputStream(bs);
- out.writeObject(originalPropertySet);
- byte[] data = bs.toByteArray();
-
- // Simulate deserializing into a different JVM by clearing the instance
- // map
- Field instancesField = BeanPropertySet.class
- .getDeclaredField("instances");
- instancesField.setAccessible(true);
- Map<?, ?> instances = (Map<?, ?>) instancesField.get(null);
- instances.clear();
-
- ObjectInputStream in = new ObjectInputStream(
- new ByteArrayInputStream(data));
- PropertySet<Person> deserializedPropertySet = (PropertySet<Person>) in
- .readObject();
-
- Assert.assertSame(
- "Deserialized instance should be the same as in the cache",
- BeanPropertySet.get(Person.class), deserializedPropertySet);
- Assert.assertNotSame(
- "Deserialized instance should not be the same as the original",
- originalPropertySet, deserializedPropertySet);
- }
-
- @Test
- public void testSerializeDeserialize_propertyDefinition() throws Exception {
- PropertyDefinition<Person, ?> definition = BeanPropertySet
- .get(Person.class).getProperty("born")
- .orElseThrow(RuntimeException::new);
-
- PropertyDefinition<Person, ?> deserializedDefinition = ClassesSerializableTest
- .serializeAndDeserialize(definition);
-
- ValueProvider<Person, ?> getter = deserializedDefinition.getGetter();
- Person person = new Person("Milennial", 2000);
- Integer age = (Integer) getter.apply(person);
-
- Assert.assertEquals("Deserialized definition should be functional",
- Integer.valueOf(2000), age);
-
- Assert.assertSame(
- "Deserialized instance should be the same as in the cache",
- BeanPropertySet.get(Person.class).getProperty("born")
- .orElseThrow(RuntimeException::new),
- deserializedDefinition);
- }
-
- @Test
- public void testSerializeDeserialize_nestedPropertyDefinition()
- throws Exception {
- PropertyDefinition<com.vaadin.tests.data.bean.Person, ?> definition = BeanPropertySet
- .get(com.vaadin.tests.data.bean.Person.class)
- .getProperty("address.postalCode")
- .orElseThrow(RuntimeException::new);
-
- PropertyDefinition<com.vaadin.tests.data.bean.Person, ?> deserializedDefinition = ClassesSerializableTest
- .serializeAndDeserialize(definition);
-
- ValueProvider<com.vaadin.tests.data.bean.Person, ?> getter = deserializedDefinition
- .getGetter();
- Address address = new Address("Ruukinkatu 2-4", 20540, "Turku",
- Country.FINLAND);
- com.vaadin.tests.data.bean.Person person = new com.vaadin.tests.data.bean.Person(
- "Jon", "Doe", "jon.doe@vaadin.com", 32, Sex.MALE, address);
-
- Integer postalCode = (Integer) getter.apply(person);
-
- Assert.assertEquals("Deserialized definition should be functional",
- address.getPostalCode(), postalCode);
-
- Assert.assertSame(
- "Deserialized instance should be the same as in the cache",
- BeanPropertySet.get(com.vaadin.tests.data.bean.Person.class)
- .getProperty("address.postalCode").orElseThrow(
- RuntimeException::new),
- deserializedDefinition);
- }
-
- @Test
- public void nestedPropertyDefinition_samePropertyNameOnMultipleLevels()
- throws Exception {
- PropertyDefinition<FatherAndSon, ?> definition = BeanPropertySet
- .get(FatherAndSon.class).getProperty("father.father.firstName")
- .orElseThrow(RuntimeException::new);
-
- ValueProvider<FatherAndSon, ?> getter = definition.getGetter();
-
- FatherAndSon grandFather = new FatherAndSon("Grand Old Jon", "Doe",
- null, null);
- FatherAndSon father = new FatherAndSon("Old Jon", "Doe", grandFather,
- null);
- FatherAndSon son = new FatherAndSon("Jon", "Doe", father, null);
-
- String firstName = (String) getter.apply(son);
-
- Assert.assertEquals(grandFather.getFirstName(), firstName);
- }
-
- @Test(expected = NullPointerException.class)
- public void nestedPropertyDefinition_propertyChainBroken()
- throws Exception {
- PropertyDefinition<FatherAndSon, ?> definition = BeanPropertySet
- .get(FatherAndSon.class).getProperty("father.firstName")
- .orElseThrow(RuntimeException::new);
-
- ValueProvider<FatherAndSon, ?> getter = definition.getGetter();
-
- getter.apply(new FatherAndSon("Jon", "Doe", null, null));
- }
-
- @Test(expected = IllegalArgumentException.class)
- public void nestedPropertyDefinition_invalidPropertyNameInChain()
- throws Exception {
- BeanPropertySet.get(FatherAndSon.class)
- .getProperty("grandfather.firstName");
- }
-
- @Test(expected = IllegalArgumentException.class)
- public void nestedPropertyDefinition_invalidPropertyNameAtChainEnd()
- throws Exception {
- BeanPropertySet.get(FatherAndSon.class).getProperty("father.age");
- }
-
- @Test
- public void properties() {
- PropertySet<Person> propertySet = BeanPropertySet.get(Person.class);
-
- Set<String> propertyNames = propertySet.getProperties()
- .map(PropertyDefinition::getName).collect(Collectors.toSet());
-
- Assert.assertEquals(new HashSet<>(Arrays.asList("name", "born")),
- propertyNames);
- }
- }
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