/*
* Copyright 2011, 2012 Odysseus Software GmbH
*
* 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 de.odysseus.staxon.event;
import java.io.StringReader;
import java.util.Iterator;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.Attribute;
import javax.xml.stream.events.Namespace;
import javax.xml.stream.events.XMLEvent;
import junit.framework.Assert;
import org.junit.Test;
import de.odysseus.staxon.xml.SimpleXMLInputFactory;
public class SimpleXMLEventReaderTest {
private XMLEventReader createXmlEventReader(String xml) throws XMLStreamException {
return new SimpleXMLInputFactory().createXMLEventReader(new StringReader(xml));
}
@Test
public void testStartEndDocument() throws XMLStreamException {
XMLEventReader reader = createXmlEventReader("<? xml version=\"1.0\" ?>");
Assert.assertEquals(XMLStreamConstants.START_DOCUMENT, reader.nextEvent().getEventType());
Assert.assertEquals(XMLStreamConstants.END_DOCUMENT, reader.nextEvent().getEventType());
}
@Test
public void testStartEndElement() throws XMLStreamException {
XMLEventReader reader = createXmlEventReader("<alice/>");
Assert.assertEquals(XMLStreamConstants.START_ELEMENT, reader.nextEvent().getEventType());
Assert.assertEquals(XMLStreamConstants.END_ELEMENT, reader.nextEvent().getEventType());
reader = createXmlEventReader("<alice></alice>");
Assert.assertEquals(XMLStreamConstants.START_ELEMENT, reader.nextEvent().getEventType());
Assert.assertEquals(XMLStreamConstants.END_ELEMENT, reader.nextEvent().getEventType());
}
@Test
public void testCharactersCData() throws XMLStreamException {
XMLEventReader reader = createXmlEventReader("<alice>bob</alice>");
Assert.assertEquals(XMLStreamConstants.START_ELEMENT, reader.nextEvent().getEventType());
Assert.assertEquals(XMLStreamConstants.CHARACTERS, reader.nextEvent().getEventType());
Assert.assertEquals(XMLStreamConstants.END_ELEMENT, reader.nextEvent().getEventType());
reader = createXmlEventReader("<alice><![CDATA[bob]]></alice>");
Assert.assertEquals(XMLStreamConstants.START_ELEMENT, reader.nextEvent().getEventType());
Assert.assertEquals(XMLStreamConstants.CDATA, reader.nextEvent().getEventType());
Assert.assertEquals(XMLStreamConstants.END_ELEMENT, reader.nextEvent().getEventType());
}
@Test
public void testAttributeNamespace() throws XMLStreamException {
XMLEventReader reader = createXmlEventReader("<alice david=\"edgar\" xmlns=\"http://foo\"/>");
XMLEvent event = reader.nextEvent();
Assert.assertEquals(XMLStreamConstants.START_ELEMENT, event.getEventType());
Iterator<?> attributes = event.asStartElement().getAttributes();
Assert.assertEquals(XMLStreamConstants.ATTRIBUTE, ((Attribute)attributes.next()).getEventType());
Assert.assertFalse(attributes.hasNext());
Iterator<?> namespaces = event.asStartElement().getNamespaces();
Assert.assertEquals(XMLStreamConstants.NAMESPACE, ((Namespace)namespaces.next()).getEventType());
Assert.assertFalse(namespaces.hasNext());
}
@Test
public void testComment() throws XMLStreamException {
XMLEventReader reader = createXmlEventReader("<!--james-->");
Assert.assertEquals(XMLStreamConstants.COMMENT, reader.nextEvent().getEventType());
}
@Test
public void testProcessingInstruction() throws XMLStreamException {
XMLEventReader reader = createXmlEventReader("<?joe?>");
Assert.assertEquals(XMLStreamConstants.PROCESSING_INSTRUCTION, reader.nextEvent().getEventType());
}
@Test
public void testPeek() throws XMLStreamException {
XMLEventReader reader = createXmlEventReader("<?xml version=\"1.0\"?><alice david=\"edgar\">bob</alice>");
while (reader.hasNext()) {
Assert.assertEquals(reader.peek(), reader.nextEvent());
}
}
@Test
public void testGetElementText() throws XMLStreamException {
XMLEventReader reader = createXmlEventReader("<alice david=\"edgar\">bob</alice>");
reader.next();
Assert.assertEquals("bob", reader.getElementText());
reader = createXmlEventReader("<alice david=\"edgar\">bob</alice>");
reader.next();
reader.peek();
Assert.assertEquals("bob", reader.getElementText());
}
@Test
public void testNextTag() throws XMLStreamException {
XMLEventReader reader = createXmlEventReader("<?xml version=\"1.0\"?><alice david=\"edgar\"><edgar/></alice>");
Assert.assertEquals(XMLStreamConstants.START_ELEMENT, reader.nextTag().getEventType());
Assert.assertEquals(XMLStreamConstants.START_ELEMENT, reader.nextTag().getEventType());
Assert.assertEquals(XMLStreamConstants.END_ELEMENT, reader.nextTag().getEventType());
Assert.assertEquals(XMLStreamConstants.END_ELEMENT, reader.nextTag().getEventType());
reader = createXmlEventReader("<?xml version=\"1.0\"?><alice david=\"edgar\"><edgar/></alice>");
reader.peek();
Assert.assertEquals(XMLStreamConstants.START_ELEMENT, reader.nextTag().getEventType());
reader.peek();
Assert.assertEquals(XMLStreamConstants.START_ELEMENT, reader.nextTag().getEventType());
reader.peek();
Assert.assertEquals(XMLStreamConstants.END_ELEMENT, reader.nextTag().getEventType());
reader.peek();
Assert.assertEquals(XMLStreamConstants.END_ELEMENT, reader.nextTag().getEventType());
}
}