2 * Copyright 2005-2011 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.xml;
18 import java.io.IOException;
19 import java.net.URISyntaxException;
21 import org.junit.Before;
22 import org.junit.Test;
23 import org.w3c.dom.Element;
24 import org.w3c.dom.Node;
25 import org.w3c.dom.NodeList;
27 import static junit.framework.TestCase.*;
28 import static org.wamblee.xml.XMLDocument.*;
29 import static org.wamblee.xml.XPathContext.*;
30 import static org.wamblee.xml.SimpleNamespaceContext.*;
32 public class XPathExpressionTest {
34 private XPathContext context;
35 private XMLDocument doc;
38 public void setUp() throws XMLException, URISyntaxException, IOException {
39 context = xpathcontext(namespaces().addPrefix("n", "http://example.com/1").addPrefix("m", "http://example.com/2"));
40 doc = xmldocument(getClass().getResource("xpathexample.xml").toURI());
43 @Test(expected = XMLException.class)
44 public void testInvalidXpath() throws XMLException {
45 context.createExpression("a[");
49 public void testStringVal() throws XMLException {
50 String value = context.createExpression("/n:root/m:x").stringEval(doc);
51 assertEquals("hallo", value.trim());
55 public void testBooleanVal() throws XMLException {
56 assertTrue(context.createExpression("/n:root/m:x").booleanEval(doc));
57 assertFalse(context.createExpression("unknownelement").booleanEval(doc));
61 public void testNummberVal() throws XMLException {
62 assertEquals(1.0d, context.createExpression("count(/n:root/m:x)").numberEval(doc));
63 assertEquals(11.0d, context.createExpression("//n:elem").numberEval(doc));
67 public void testNodeVal() throws XMLException {
68 Node node = context.createExpression("/n:root/n:elem").nodeEval(doc);
69 assertTrue(node instanceof Element);
70 assertEquals("11", node.getTextContent().trim());
71 assertEquals("elem", node.getLocalName());
72 assertEquals("http://example.com/1", node.getNamespaceURI());
76 public void testNodeSetVal() throws XMLException {
77 NodeList nodelist = context.createExpression("/n:root/n:elem").nodelistEval(doc);
78 assertEquals(2, nodelist.getLength());
79 assertEquals("11", nodelist.item(0).getTextContent().trim());
80 assertEquals("22", nodelist.item(1).getTextContent().trim());