/*
* Copyright 2008 the original author or authors.
*
* 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.springframework.batch.item.adapter;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.List;
import org.springframework.batch.item.sample.Foo;
import org.springframework.batch.item.sample.FooService;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.beans.factory.annotation.Autowired;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Tests for {@link ItemReaderAdapter}.
*
* @author Robert Kasanicky
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "delegating-item-provider.xml")
public class ItemReaderAdapterTests {
@Autowired
private ItemReaderAdapter<Foo> provider;
@Autowired
private FooService fooService;
/*
* Regular usage scenario - items are retrieved from the service injected invoker points to.
*/
@Test
public void testNext() throws Exception {
List<Object> returnedItems = new ArrayList<Object>();
Object item;
while ((item = provider.read()) != null) {
returnedItems.add(item);
}
List<Foo> input = fooService.getGeneratedFoos();
assertEquals(input.size(), returnedItems.size());
assertFalse(returnedItems.isEmpty());
for (int i = 0; i < input.size(); i++) {
assertSame(input.get(i), returnedItems.get(i));
}
}
}