/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.wicket.markup.html.form;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.wicket.WicketRuntimeException;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.util.tester.WicketTestCase;
import org.junit.Assert;
import org.junit.Test;
/**
* Testing updating model collections through
* {@link FormComponent#updateCollectionModel(FormComponent)}.
*
* @author svenmeier
*/
public class CollectionFormComponentTest extends WicketTestCase
{
@Test
public void getSetNullCollection()
{
final AtomicBoolean setCalled = new AtomicBoolean();
Object object = new Object()
{
private Collection<String> internal = null;
public Collection<String> getStrings()
{
return internal;
}
public void setStrings(Collection<String> strings)
{
this.internal = strings;
setCalled.set(true);
}
};
Choice choice = new Choice(object);
choice.setConvertedInput(Arrays.asList("A", "B"));
FormComponent.updateCollectionModel(choice);
assertEquals(true, setCalled.get());
assertEquals("[A, B]", choice.getDefaultModelObjectAsString());
}
@Test(expected = WicketRuntimeException.class)
public void getNullCollectionFails()
{
Object object = new Object()
{
private Collection<String> internal = null;
public Collection<String> getStrings()
{
return internal;
}
};
Choice choice = new Choice(object);
choice.setConvertedInput(Arrays.asList("A", "B"));
FormComponent.updateCollectionModel(choice);
}
@Test
public void getSetModifiableCollection()
{
final AtomicBoolean setCalled = new AtomicBoolean();
Object object = new Object()
{
private Collection<String> internal = new ArrayList<>();
public Collection<String> getStrings()
{
return internal;
}
public void setStrings(Collection<String> strings)
{
this.internal = strings;
setCalled.set(true);
}
};
Choice choice = new Choice(object);
choice.setConvertedInput(Arrays.asList("A", "B"));
FormComponent.updateCollectionModel(choice);
assertEquals(true, setCalled.get());
assertEquals("[A, B]", choice.getDefaultModelObjectAsString());
}
@Test
public void getModifiableCollection()
{
Object object = new Object()
{
private Collection<String> internal = new ArrayList<>();
public Collection<String> getStrings()
{
return internal;
}
};
Choice choice = new Choice(object);
choice.setConvertedInput(Arrays.asList("A", "B"));
FormComponent.updateCollectionModel(choice);
assertEquals("[A, B]", choice.getDefaultModelObjectAsString());
}
/**
* WICKET-5518
*/
@Test
public void getSetUnmodifiableCollection()
{
final AtomicBoolean setCalled = new AtomicBoolean();
Object object = new Object()
{
private Collection<String> internal = new ArrayList<>();
public Collection<String> getStrings()
{
return Collections.unmodifiableCollection(internal);
}
public void setStrings(Collection<String> strings)
{
this.internal = strings;
setCalled.set(true);
}
};
Choice choice = new Choice(object);
choice.setConvertedInput(Arrays.asList("A", "B"));
FormComponent.updateCollectionModel(choice);
assertEquals(true, setCalled.get());
assertEquals("[A, B]", choice.getDefaultModelObjectAsString());
}
@Test(expected = WicketRuntimeException.class)
public void getUnmodifiableFails()
{
Object object = new Object()
{
private Collection<String> internal = new ArrayList<>();
public Collection<String> getStrings()
{
return Collections.unmodifiableCollection(internal);
}
};
Choice choice = new Choice(object);
choice.setConvertedInput(Arrays.asList("A", "B"));
FormComponent.updateCollectionModel(choice);
}
@Test
public void getUnmodifiableInCaseOfNoConvertedInput()
{
LoadableDetachableModel<Collection<String>> model = new LoadableDetachableModel<Collection<String>>()
{
@Override
protected Collection<String> load()
{
return Collections.unmodifiableList(Arrays.asList("1", "2"));
}
};
FormComponent<Collection<String>> formComponent = new FormComponent<Collection<String>>(
"formComponent", model)
{
};
formComponent.setConvertedInput(null);
FormComponent.updateCollectionModel(formComponent);
Assert.assertTrue(formComponent.getModelObject().isEmpty());
}
@Test
public void getModelCollectionIsNullInCaseOfNoConvertedInput()
{
LoadableDetachableModel<Collection<String>> model = new LoadableDetachableModel<Collection<String>>()
{
@Override
protected Collection<String> load()
{
return null;
}
};
FormComponent<Collection<String>> formComponent = new FormComponent<Collection<String>>(
"formComponent", model)
{
};
formComponent.setConvertedInput(null);
FormComponent.updateCollectionModel(formComponent);
Assert.assertTrue(formComponent.getModelObject().isEmpty());
}
private class Choice extends FormComponent<Collection<String>>
{
public Choice(Object object)
{
super("choice", new PropertyModel(object, "strings"));
}
}
}