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/*
* 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.jackrabbit.test.api;
import org.apache.jackrabbit.test.AbstractJCRTest;
import org.apache.jackrabbit.test.NotExecutableException;
import javax.jcr.Node;
import javax.jcr.Property;
import javax.jcr.PropertyIterator;
import javax.jcr.RepositoryException;
import javax.jcr.Value;
import java.util.Set;
import java.util.HashSet;
/**
* ReferencesTest contains the test cases for the references.
*
*/
public class ReferencesTest extends AbstractJCRTest {
/**
* Tests Node.getReferences()
*/
public void testReferences() throws RepositoryException, NotExecutableException {
Node n1 = testRootNode.addNode(nodeName1, testNodeType);
ensureMixinType(n1, mixReferenceable);
// with some impls. the mixin type has only affect upon save
testRootNode.getSession().save();
// make sure the node is now referenceable
assertTrue("test node should be mix:referenceable", n1.isNodeType(mixReferenceable));
// create references: n2.p1 -> n1
Node n2 = testRootNode.addNode(nodeName2, testNodeType);
Value[] values = new Value[]{superuser.getValueFactory().createValue(n1)};
// abort test if the repository does not allow setting
// reference properties on this node
ensureCanSetProperty(n2, propertyName1, values);
Property p1 = n2.setProperty(propertyName1, values);
testRootNode.getSession().save();
PropertyIterator iter = n1.getReferences();
if (iter.hasNext()) {
assertEquals("Wrong referer", iter.nextProperty().getPath(), p1.getPath());
} else {
fail("no referer");
}
// create references: n3.p1 -> n1
Node n3 = testRootNode.addNode(nodeName3, testNodeType);
n3.setProperty(propertyName1, n1);
testRootNode.getSession().save();
iter = n1.getReferences();
while (iter.hasNext()) {
Property p = iter.nextProperty();
if (n2 != null && p.getParent().getPath().equals(n2.getPath())) {
n2 = null;
} else if (n3 != null && p.getParent().getPath().equals(n3.getPath())) {
n3 = null;
} else {
fail("too many referers: " + p.getPath());
}
}
if (n2 != null) {
fail("referer not in references set: " + n2.getPath());
}
if (n3 != null) {
fail("referer not in references set: " + n3.getPath());
}
// remove reference n3.p1 -> n1
testRootNode.getNode(nodeName3).getProperty(propertyName1).remove();
testRootNode.getSession().save();
iter = n1.getReferences();
if (iter.hasNext()) {
assertEquals("Wrong referer", iter.nextProperty().getParent().getPath(), testRootNode.getNode(nodeName2).getPath());
} else {
fail("no referer");
}
if (iter.hasNext()) {
fail("too many referers: " + iter.nextProperty().getPath());
}
// remove reference n2.p1 -> n1
testRootNode.getNode(nodeName2).getProperty(propertyName1).setValue(new Value[0]);
testRootNode.getSession().save();
iter = n1.getReferences();
if (iter.hasNext()) {
fail("too many referers: " + iter.nextProperty().getPath());
}
}
/**
* Tests Node.getReferences(String)
*/
public void testGetReferencesWithName() throws RepositoryException, NotExecutableException {
Node n1 = testRootNode.addNode(nodeName1, testNodeType);
ensureMixinType(n1, mixReferenceable);
// with some impls. the mixin type has only affect upon save
testRootNode.getSession().save();
// make sure the node is now referenceable
assertTrue("test node should be mix:referenceable", n1.isNodeType(mixReferenceable));
// create references:
// n2.p1 -> n1
// n2.p2 -> n1
// n3.p1 -> n1
Node n2 = testRootNode.addNode(nodeName2, testNodeType);
Node n3 = testRootNode.addNode(nodeName3, testNodeType);
Value[] values = new Value[]{superuser.getValueFactory().createValue(n1)};
// abort test if the repository does not allow setting
// reference properties on this node
ensureCanSetProperty(n2, propertyName1, values);
ensureCanSetProperty(n2, propertyName2, values);
ensureCanSetProperty(n3, propertyName1, values);
Property p1 = n2.setProperty(propertyName1, values);
Property p2 = n2.setProperty(propertyName2, values);
Property p3 = n3.setProperty(propertyName1, n1);
testRootNode.getSession().save();
// get references with name propertyName1
// (should return p1 and p3))
PropertyIterator iter = n1.getReferences(propertyName1);
Set results = new HashSet();
while (iter.hasNext()) {
results.add(iter.nextProperty().getPath());
}
assertEquals("wrong number of references reported", 2, results.size());
assertTrue("missing reference property: " + p1.getPath(), results.contains(p1.getPath()));
assertTrue("missing reference property: " + p3.getPath(), results.contains(p3.getPath()));
// get references with name propertyName2
// (should return p2))
iter = n1.getReferences(propertyName2);
results.clear();
while (iter.hasNext()) {
results.add(iter.nextProperty().getPath());
}
assertEquals("wrong number of references reported", 1, results.size());
assertTrue("missing reference property: " + p2.getPath(), results.contains(p2.getPath()));
// remove reference n3.p1 -> n1
testRootNode.getNode(nodeName3).getProperty(propertyName1).remove();
testRootNode.getSession().save();
// get references with name propertyName1
// (should return p1))
iter = n1.getReferences(propertyName1);
results.clear();
while (iter.hasNext()) {
results.add(iter.nextProperty().getPath());
}
assertEquals("wrong number of references reported", 1, results.size());
assertTrue("missing reference property: " + p1.getPath(), results.contains(p1.getPath()));
// remove reference n2.p1 -> n1
p1.remove();
testRootNode.getSession().save();
// get references with name propertyName1
// (should nothing))
iter = n1.getReferences(propertyName1);
results.clear();
while (iter.hasNext()) {
results.add(iter.nextProperty().getPath());
}
assertEquals("wrong number of references reported", 0, results.size());
}
/**
* Tests Property.getNode();
*/
public void testReferenceTarget() throws RepositoryException, NotExecutableException {
Node n1 = testRootNode.addNode(nodeName1, testNodeType);
ensureMixinType(n1, mixReferenceable);
// with some impls. the mixin type has only affect upon save
testRootNode.getSession().save();
// make sure the node is now referenceable
assertTrue("test node should be mix:referenceable", n1.isNodeType(mixReferenceable));
// create references: n2.p1 -> n1
Node n2 = testRootNode.addNode(nodeName2, testNodeType);
// abort test if the repository does not allow setting
// reference properties on this node
ensureCanSetProperty(n2, propertyName1, n2.getSession().getValueFactory().createValue(n1));
n2.setProperty(propertyName1, n1);
testRootNode.getSession().save();
assertEquals("Wrong reference target.", n2.getProperty(propertyName1).getNode().getUUID(), n1.getUUID());
n2.remove();
testRootNode.getSession().save();
}
/**
* Tests changing a reference property
*/
public void testAlterReference() throws RepositoryException, NotExecutableException {
Node n1 = testRootNode.addNode(nodeName1, testNodeType);
ensureMixinType(n1, mixReferenceable);
Node n2 = testRootNode.addNode(nodeName2, testNodeType);
ensureMixinType(n2, mixReferenceable);
// with some impls. the mixin type has only affect upon save
testRootNode.getSession().save();
// make sure the nodes are now referenceable
assertTrue("test node should be mix:referenceable", n1.isNodeType(mixReferenceable));
assertTrue("test node should be mix:referenceable", n2.isNodeType(mixReferenceable));
// create references: n3.p1 -> n1
Node n3 = testRootNode.addNode(nodeName3, testNodeType);
// abort test if the repository does not allow setting
// reference properties on this node
ensureCanSetProperty(n3, propertyName1, n3.getSession().getValueFactory().createValue(n1));
n3.setProperty(propertyName1, n1);
testRootNode.getSession().save();
assertEquals("Wrong reference target.", n3.getProperty(propertyName1).getNode().getUUID(), n1.getUUID());
PropertyIterator iter = n1.getReferences();
if (iter.hasNext()) {
assertEquals("Wrong referer", iter.nextProperty().getParent().getPath(), n3.getPath());
} else {
fail("no referer");
}
if (iter.hasNext()) {
fail("too many referers: " + iter.nextProperty().getPath());
}
// change reference: n3.p1 -> n2
n3.setProperty(propertyName1, n2);
n3.save();
assertEquals("Wrong reference target.", n3.getProperty(propertyName1).getNode().getUUID(), n2.getUUID());
iter = n1.getReferences();
if (iter.hasNext()) {
fail("too many referers: " + iter.nextProperty().getPath());
}
iter = n2.getReferences();
if (iter.hasNext()) {
assertEquals("Wrong referer", iter.nextProperty().getParent().getPath(), n3.getPath());
} else {
fail("no referers");
}
if (iter.hasNext()) {
fail("too many referers: " + iter.nextProperty().getPath());
}
// clear reference by overwriting by other type
n3.setProperty(propertyName1, "Hello, world.");
n3.save();
iter = n2.getReferences();
if (iter.hasNext()) {
fail("too many referers: " + iter.nextProperty().getPath());
}
}
public void testNonReferenceable() throws RepositoryException, NotExecutableException {
Node nonReferenceable = null;
if (testRootNode.isNodeType(mixReferenceable)) {
Node child = testRootNode.addNode(nodeName1, testNodeType);
superuser.save();
if (!child.isNodeType(mixReferenceable)) {
nonReferenceable = child;
}
} else {
nonReferenceable = testRootNode;
}
if (nonReferenceable == null) {
throw new NotExecutableException("Test node is referenceable.");
}
// getReferences must return an empty iterator and must not throw.
assertFalse(nonReferenceable.getReferences().hasNext());
}
}
