/*
* 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 org.apache.synapse.commons.staxon.core.base;
import java.io.StringReader;
import javax.xml.XMLConstants;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.junit.Assert;
import org.junit.Test;
import org.apache.synapse.commons.staxon.core.xml.SimpleXMLStreamReader;
public class AbstractXMLStreamReaderTest {
void verify(XMLStreamReader reader, int expectedEventType, String expectedLocalName, String expectedText) {
Assert.assertEquals(expectedEventType, reader.getEventType());
Assert.assertEquals(expectedLocalName, reader.getLocalName());
Assert.assertEquals(expectedText, reader.getText());
}
/**
* <code><alice></alice></code>
*/
@Test
public void testEmpty() throws XMLStreamException {
String input = "<?xml version=\"1.0\"?><alice></alice>";
XMLStreamReader reader = new SimpleXMLStreamReader(new StringReader(input));
verify(reader, XMLStreamConstants.START_DOCUMENT, null, null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "alice", null);
reader.next();
verify(reader, XMLStreamConstants.END_ELEMENT, "alice", null);
reader.next();
verify(reader, XMLStreamConstants.END_DOCUMENT, null, null);
reader.close();
}
/**
* <code><alice>bob</alice></code>
*/
@Test
public void testCharacters() throws XMLStreamException {
String input = "<?xml version=\"1.0\"?><alice>bob</alice>";
XMLStreamReader reader = new SimpleXMLStreamReader(new StringReader(input));
verify(reader, XMLStreamConstants.START_DOCUMENT, null, null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "alice", null);
reader.next();
verify(reader, XMLStreamConstants.CHARACTERS, null, "bob");
reader.next();
verify(reader, XMLStreamConstants.END_ELEMENT, "alice", null);
reader.next();
verify(reader, XMLStreamConstants.END_DOCUMENT, null, null);
reader.close();
}
/**
* <code><alice>bob</alice></code>
*/
@Test
public void testComment() throws XMLStreamException {
String input = "<?xml version=\"1.0\"?><alice><!--bob--></alice>";
XMLStreamReader reader = new SimpleXMLStreamReader(new StringReader(input));
verify(reader, XMLStreamConstants.START_DOCUMENT, null, null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "alice", null);
reader.next();
verify(reader, XMLStreamConstants.COMMENT, null, "bob");
reader.next();
verify(reader, XMLStreamConstants.END_ELEMENT, "alice", null);
reader.next();
verify(reader, XMLStreamConstants.END_DOCUMENT, null, null);
reader.close();
}
/**
* <code><alice><bob>charlie</bob><david>edgar</david></alice></code>
*/
@Test
public void testNested() throws Exception {
String input = "<?xml version=\"1.0\"?><alice><bob>charlie</bob><david>edgar</david></alice>";
XMLStreamReader reader = new SimpleXMLStreamReader(new StringReader(input));
verify(reader, XMLStreamConstants.START_DOCUMENT, null, null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "alice", null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "bob", null);
reader.next();
verify(reader, XMLStreamConstants.CHARACTERS, null, "charlie");
reader.next();
verify(reader, XMLStreamConstants.END_ELEMENT, "bob", null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "david", null);
reader.next();
verify(reader, XMLStreamConstants.CHARACTERS, null, "edgar");
reader.next();
verify(reader, XMLStreamConstants.END_ELEMENT, "david", null);
reader.next();
verify(reader, XMLStreamConstants.END_ELEMENT, "alice", null);
reader.next();
verify(reader, XMLStreamConstants.END_DOCUMENT, null, null);
reader.close();
}
/**
* <code><alice><bob>charlie</bob><bob>david</bob></alice></code>
*/
@Test
public void testMultiple() throws Exception {
String input = "<?xml version=\"1.0\"?><alice><bob>charlie</bob><bob>david</bob></alice>";
XMLStreamReader reader = new SimpleXMLStreamReader(new StringReader(input));
verify(reader, XMLStreamConstants.START_DOCUMENT, null, null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "alice", null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "bob", null);
reader.next();
verify(reader, XMLStreamConstants.CHARACTERS, null, "charlie");
reader.next();
verify(reader, XMLStreamConstants.END_ELEMENT, "bob", null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "bob", null);
reader.next();
verify(reader, XMLStreamConstants.CHARACTERS, null, "david");
reader.next();
verify(reader, XMLStreamConstants.END_ELEMENT, "bob", null);
reader.next();
verify(reader, XMLStreamConstants.END_ELEMENT, "alice", null);
reader.next();
verify(reader, XMLStreamConstants.END_DOCUMENT, null, null);
reader.close();
}
/**
* <code><alice charlie="david">bob</alice></code>
*/
@Test
public void testAttributes() throws Exception {
String input = "<?xml version=\"1.0\"?><alice charlie=\"david\">bob</alice>";
XMLStreamReader reader = new SimpleXMLStreamReader(new StringReader(input));
verify(reader, XMLStreamConstants.START_DOCUMENT, null, null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "alice", null);
Assert.assertEquals(1, reader.getAttributeCount());
Assert.assertEquals("david", reader.getAttributeValue(null, "charlie"));
Assert.assertEquals("david", reader.getAttributeValue(XMLConstants.NULL_NS_URI, "charlie"));
reader.next();
verify(reader, XMLStreamConstants.CHARACTERS, null, "bob");
reader.next();
verify(reader, XMLStreamConstants.END_ELEMENT, "alice", null);
reader.next();
verify(reader, XMLStreamConstants.END_DOCUMENT, null, null);
reader.close();
}
/**
* <code><alice xmlns="http://some-namespace">bob</alice></code>
*/
@Test
public void testNamespaces() throws Exception {
String input = "<?xml version=\"1.0\"?><alice xmlns=\"http://some-namespace\">bob</alice>";
XMLStreamReader reader = new SimpleXMLStreamReader(new StringReader(input));
Assert.assertEquals(XMLConstants.NULL_NS_URI, reader.getNamespaceContext().getNamespaceURI(XMLConstants.DEFAULT_NS_PREFIX));
Assert.assertNull(reader.getNamespaceContext().getPrefix("http://some-namespace"));
verify(reader, XMLStreamConstants.START_DOCUMENT, null, null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "alice", null);
Assert.assertEquals("http://some-namespace", reader.getNamespaceURI());
Assert.assertEquals("http://some-namespace", reader.getNamespaceContext().getNamespaceURI(XMLConstants.DEFAULT_NS_PREFIX));
Assert.assertEquals(XMLConstants.DEFAULT_NS_PREFIX, reader.getNamespaceContext().getPrefix("http://some-namespace"));
Assert.assertEquals(0, reader.getAttributeCount());
reader.next();
verify(reader, XMLStreamConstants.CHARACTERS, null, "bob");
reader.next();
verify(reader, XMLStreamConstants.END_ELEMENT, "alice", null);
Assert.assertEquals("http://some-namespace", reader.getNamespaceURI());
Assert.assertEquals("http://some-namespace", reader.getNamespaceContext().getNamespaceURI(XMLConstants.DEFAULT_NS_PREFIX));
Assert.assertEquals(XMLConstants.DEFAULT_NS_PREFIX, reader.getNamespaceContext().getPrefix("http://some-namespace"));
reader.next();
verify(reader, XMLStreamConstants.END_DOCUMENT, null, null);
reader.close();
}
/**
* <code><alice></alice></code>
*/
@Test(expected = XMLStreamException.class)
public void testUnboundPrefix() throws XMLStreamException {
String input = "<?xml version=\"1.0\"?><foo:alice></foo:alice>";
XMLStreamReader reader = new SimpleXMLStreamReader(new StringReader(input));
verify(reader, XMLStreamConstants.START_DOCUMENT, null, null);
reader.next();
verify(reader, XMLStreamConstants.START_ELEMENT, "alice", null);
}
}