/*
* ModeShape (http://www.modeshape.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.modeshape.jcr;
import static org.hamcrest.core.Is.is;
import static org.hamcrest.core.IsSame.sameInstance;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
import org.junit.Before;
import org.junit.Test;
import org.mockito.MockitoAnnotations;
import org.modeshape.jcr.JcrChildNodeIterator.NodeResolver;
import org.modeshape.jcr.cache.ChildReference;
import org.modeshape.jcr.cache.NodeKey;
import org.modeshape.jcr.value.basic.BasicName;
/**
*
*/
public class JcrChildNodeIteratorTest {
private Map<ChildReference, AbstractJcrNode> childNodesByRef;
private List<AbstractJcrNode> children;
private List<ChildReference> refs;
private NodeIterator iter;
private NodeKey keyTemplate;
@Before
public void beforeEach() throws Exception {
MockitoAnnotations.initMocks(this);
keyTemplate = new NodeKey("source1", "workspa", "1");
children = new ArrayList<AbstractJcrNode>();
refs = new ArrayList<ChildReference>();
childNodesByRef = new HashMap<ChildReference, AbstractJcrNode>();
for (int i = 0; i != 10; ++i) {
// Create a child reference ...
String name = "node" + (i + 1);
NodeKey key = keyTemplate.withId(name);
ChildReference ref = new ChildReference(key, new BasicName("http://foo", name), 1);
refs.add(ref);
// Create a mock child node ...
AbstractJcrNode childJcrNode = mock(AbstractJcrNode.class);
children.add(childJcrNode);
childNodesByRef.put(ref, childJcrNode);
}
NodeResolver resolver = new NodeResolver() {
@SuppressWarnings( "synthetic-access" )
@Override
public Node nodeFrom( ChildReference ref ) {
return childNodesByRef.get(ref);
}
};
iter = new JcrChildNodeIterator(resolver, refs.iterator());
}
@Test
public void shouldProperlyDetermineHasNext() {
Iterator<AbstractJcrNode> nodeIter = children.iterator();
long position = 0L;
assertThat(iter.getPosition(), is(position));
while (iter.hasNext()) {
assertThat(nodeIter.hasNext(), is(true));
Node actual = (Node)iter.next();
Node expected = nodeIter.next();
assertThat(iter.getPosition(), is(++position));
assertThat(iter.getPosition(), is(position)); // call twice
assertThat(actual, is(sameInstance(expected)));
}
assertThat(iter.hasNext(), is(false));
assertThat(nodeIter.hasNext(), is(false));
}
@Test
public void shouldStartWithPositionOfZero() {
assertThat(iter.getPosition(), is(0L));
}
@Test
public void shouldHaveCorrectSize() {
assertThat(iter.getSize(), is((long)children.size()));
}
@Test( expected = UnsupportedOperationException.class )
public void shouldNotAllowRemove() {
iter.remove();
}
@Test( expected = NoSuchElementException.class )
public void shouldFailWhenNextIsCalled() {
while (iter.hasNext()) {
iter.next();
}
iter.next();
}
}