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/*******************************************************************************
* Copyright (c) 2013 Florian Thienel and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Florian Thienel - initial API and implementation
*******************************************************************************/
package org.eclipse.vex.core.internal.io;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.Collection;
import java.util.Iterator;
import org.eclipse.core.runtime.QualifiedName;
import org.eclipse.vex.core.provisional.dom.BaseNodeVisitor;
import org.eclipse.vex.core.provisional.dom.IComment;
import org.eclipse.vex.core.provisional.dom.IDocument;
import org.eclipse.vex.core.provisional.dom.IElement;
import org.eclipse.vex.core.provisional.dom.INode;
import org.eclipse.vex.core.provisional.dom.IParent;
import org.eclipse.vex.core.provisional.dom.IText;
/**
* This class provides some special assertions for round trip tests.
*
* @author Florian Thienel
*/
public class RoundTrip {
public static void assertDocumentsEqual(final IDocument expected, final IDocument actual) {
assertEquals(expected.getPublicID(), actual.getPublicID());
assertEquals(expected.getSystemID(), actual.getSystemID());
assertContentEqual(expected, actual);
}
public static void assertContentEqual(final IParent expected, final IParent actual) {
assertContentRangeEqual(expected, actual);
final Iterator<INode> expectedChildren = expected.children().iterator();
final Iterator<INode> actualChildren = actual.children().iterator();
while (expectedChildren.hasNext() && actualChildren.hasNext()) {
final INode expectedNode = expectedChildren.next();
final INode actualNode = actualChildren.next();
assertContentRangeEqual(expectedNode, actualNode);
assertEquals(expectedNode.getClass(), actualNode.getClass());
expectedNode.accept(new BaseNodeVisitor() {
@Override
public void visit(final IElement element) {
assertElementsEqual((IElement) expectedNode, (IElement) actualNode);
}
@Override
public void visit(final IComment comment) {
assertEquals(expectedNode.getText(), actualNode.getText());
}
@Override
public void visit(final IText text) {
assertEquals(expectedNode.getText(), actualNode.getText());
}
});
}
assertFalse("more children expected", expectedChildren.hasNext());
assertFalse("less children expected", actualChildren.hasNext());
}
public static void assertContentRangeEqual(final INode expected, final INode actual) {
assertEquals("content range of " + expected, expected.getRange(), actual.getRange());
}
public static void assertElementsEqual(final IElement expected, final IElement actual) {
assertEquals("qualified name of " + expected, expected.getQualifiedName(), actual.getQualifiedName());
assertAttributesEqual(expected, actual);
assertNamespacesEqual(expected, actual);
assertContentEqual(expected, actual);
}
public static void assertAttributesEqual(final IElement expected, final IElement actual) {
final Iterator<QualifiedName> expectedAttrs = expected.getAttributeNames().iterator();
final Iterator<QualifiedName> actualAttrs = actual.getAttributeNames().iterator();
while (expectedAttrs.hasNext() && actualAttrs.hasNext()) {
assertEquals("attributes of " + expected, expectedAttrs.next(), actualAttrs.next());
}
assertFalse(expected + ": expected more attributes", expectedAttrs.hasNext());
assertFalse(expected + ": expected less attributes", actualAttrs.hasNext());
}
public static void assertNamespacesEqual(final IElement expected, final IElement actual) {
assertEquals("declared default namespace of " + expected, expected.getDeclaredDefaultNamespaceURI(), actual.getDeclaredDefaultNamespaceURI());
final Collection<String> expectedNamespacePrefixes = expected.getDeclaredNamespacePrefixes();
final Collection<String> actualNamespacePrefixes = actual.getDeclaredNamespacePrefixes();
assertEquals("declared namespaces of " + expected, expectedNamespacePrefixes.size(), actualNamespacePrefixes.size());
for (final String prefix : expectedNamespacePrefixes) {
assertTrue("namespace not declared: " + prefix, actualNamespacePrefixes.contains(prefix));
assertEquals("namespace URI of prefix " + prefix, expected.getNamespaceURI(prefix), actual.getNamespaceURI(prefix));
}
}
}
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