// Copyright 2007, 2008 The Apache Software Foundation
//
// 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.apache.tapestry5.internal.grid;
import org.apache.tapestry5.ComponentResources;
import org.apache.tapestry5.beaneditor.BeanModel;
import org.apache.tapestry5.beaneditor.PropertyModel;
import org.apache.tapestry5.grid.ColumnSort;
import org.apache.tapestry5.grid.SortConstraint;
import org.apache.tapestry5.internal.test.InternalBaseTestCase;
import org.apache.tapestry5.ioc.Messages;
import org.apache.tapestry5.services.BeanModelSource;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public class CollectionGridDataSourceTest extends InternalBaseTestCase
{
// Just arbitrary numbers ...
private static final int FRED = 99;
private static final int BARNEY = 23;
private static final int WILMA = 107;
private static final int BETTY = 298;
// Arrays.asList returns an unmodifiable list
private final List raw = Arrays.asList(new Datum(FRED, "Fred"), new Datum(BARNEY, "Barney"),
new Datum(WILMA, "Wilma"), new Datum(BETTY, null));
private final CollectionGridDataSource source = new CollectionGridDataSource(raw);
private BeanModel model;
@BeforeClass
public void setup()
{
BeanModelSource source = getService(BeanModelSource.class);
ComponentResources resources = mockComponentResources();
Messages messages = mockMessages();
train_getMessages(resources, messages);
stub_contains(messages, false);
replay();
model = source.create(Datum.class, false, resources);
verify();
}
@AfterClass
public void cleanup()
{
model = null;
}
@Test
public void sort_on_number_ascending()
{
sort("id", true, BARNEY, FRED, WILMA, BETTY);
}
@Test
public void sort_on_number_descending()
{
sort("id", false, BETTY, WILMA, FRED, BARNEY);
}
@Test
public void sort_on_string_value_ascending()
{
// Nulls sort first
// Without a secondary sort column, it's kind of arbitrary whether WILMA or BETTY is sorted
// first.
sort("value", true, BETTY, BARNEY, FRED, WILMA);
}
@Test
public void sort_on_string_value_descending()
{
sort("value", false, WILMA, FRED, BARNEY, BETTY);
}
private void sort(String propertyName, boolean ascending, int... ids)
{
PropertyModel propertyModel = model.get(propertyName);
int availableRows = source.getAvailableRows();
SortConstraint constraint = new SortConstraint(propertyModel,
ascending ? ColumnSort.ASCENDING : ColumnSort.DESCENDING);
List<SortConstraint> constraints = Collections.singletonList(constraint);
source.prepare(0, availableRows - 1, constraints);
for (int i = 0; i < ids.length; i++)
{
Datum row = (Datum) source.getRowValue(i);
assertEquals(row.getId(), ids[i], "Id for Datum #" + i);
}
}
}