/*
* Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
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*/
package javax.xml.xpath.ptests;
import static javax.xml.xpath.XPathConstants.BOOLEAN;
import static javax.xml.xpath.XPathConstants.NODE;
import static javax.xml.xpath.XPathConstants.NODESET;
import static javax.xml.xpath.XPathConstants.NUMBER;
import static javax.xml.xpath.XPathConstants.STRING;
import static javax.xml.xpath.ptests.XPathTestConst.XML_DIR;
import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertNotNull;
import static org.testng.AssertJUnit.assertNull;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Iterator;
import javax.xml.XMLConstants;
import javax.xml.namespace.NamespaceContext;
import javax.xml.namespace.QName;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Listeners;
import org.testng.annotations.Test;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
/**
* Class containing the test cases for XPath API.
*/
/*
* @test
* @library /javax/xml/jaxp/libs
* @run testng/othervm -DrunSecMngr=true javax.xml.xpath.ptests.XPathTest
* @run testng/othervm javax.xml.xpath.ptests.XPathTest
*/
@Listeners({jaxp.library.FilePolicy.class})
public class XPathTest {
/**
* Document object for testing XML file.
*/
private Document document;
/**
* A XPath for evaluation environment and expressions.
*/
private XPath xpath;
/**
* A QName using default name space.
*/
private static final QName TEST_QNAME = new QName(XMLConstants.XML_NS_URI, "");
/**
* XML File Path.
*/
private static final Path XML_PATH = Paths.get(XML_DIR + "widgets.xml");
/**
* An expression name which locate at "/widgets/widget[@name='a']/@quantity"
*/
private static final String EXPRESSION_NAME_A = "/widgets/widget[@name='a']/@quantity";
/**
* An expression name which locate at "/widgets/widget[@name='b']/@quantity"
*/
private static final String EXPRESSION_NAME_B = "/widgets/widget[@name='b']/@quantity";
/**
* Create Document object and XPath object for every time
* @throws Exception If any errors occur.
*/
@BeforeTest
public void setup() throws Exception {
document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(XML_PATH.toFile());
xpath = XPathFactory.newInstance().newXPath();
}
/**
* Test for XPath.evaluate(java.lang.String expression, java.lang.Object
* item, QName returnType) which return type is String.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPath01() throws XPathExpressionException {
assertEquals(xpath.evaluate(EXPRESSION_NAME_A, document, STRING), "6");
}
/**
* Test for XPath.compile(java.lang.String expression) and then
* evaluate(java.lang.Object item, QName returnType).
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPath02() throws XPathExpressionException {
assertEquals(xpath.compile(EXPRESSION_NAME_A).evaluate(document, STRING), "6");
}
/**
* Test for XPath.evaluate(java.lang.String expression, java.lang.Object
* item) when the third argument is left off of the XPath.evaluate method,
* all expressions are evaluated to a String value.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPath03() throws XPathExpressionException {
assertEquals(xpath.evaluate(EXPRESSION_NAME_A, document), "6");
}
/**
* Test for XPath.compile(java.lang.String expression). If expression is
* null, should throw NPE.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath04() throws XPathExpressionException {
xpath.compile(null);
}
/**
* Test for XPath.compile(java.lang.String expression). If expression cannot
* be compiled junk characters, should throw XPathExpressionException.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = XPathExpressionException.class)
public void testCheckXPath05() throws XPathExpressionException {
xpath.compile("-*&");
}
/**
* Test for XPath.compile(java.lang.String expression). If expression is
* blank, should throw XPathExpressionException
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = XPathExpressionException.class)
public void testCheckXPath06() throws XPathExpressionException {
xpath.compile(" ");
}
/**
* Test for XPath.compile(java.lang.String expression). The expression
* cannot be evaluated as this does not exist.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPath07() throws XPathExpressionException {
assertEquals(xpath.compile(EXPRESSION_NAME_B).evaluate(document, STRING), "");
}
/**
* Test for XPath.evaluate(java.lang.String expression, java.lang.Object
* item, QName returnType). If String expression is null, should throw NPE.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath08() throws XPathExpressionException {
xpath.evaluate(null, document, STRING);
}
/**
* Test for XPath.evaluate(java.lang.String expression, java.lang.Object
* item, QName returnType). If item is null, should throw NPE.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath09() throws XPathExpressionException {
xpath.evaluate(EXPRESSION_NAME_A, null, STRING);
}
/**
* Test for XPath.evaluate(java.lang.String expression, java.lang.Object
* item, QName returnType). If returnType is null, should throw NPE.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath10() throws XPathExpressionException {
xpath.evaluate(EXPRESSION_NAME_A, document, null);
}
/**
* Test for XPath.evaluate(java.lang.String expression, java.lang.Object
* item, QName returnType). If a request is made to evaluate the expression
* in the absence of a context item, simple expressions, such as "1+1", can
* be evaluated.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPath11() throws XPathExpressionException {
assertEquals(xpath.evaluate("1+1", document, STRING), "2");
}
/**
* XPath.evaluate(java.lang.String expression, java.lang.Object item, QName
* returnType) throws XPathExpressionException if expression is a empty
* string "".
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = XPathExpressionException.class)
public void testCheckXPath12() throws XPathExpressionException {
xpath.evaluate("", document, STRING);
}
/**
* XPath.evaluate(java.lang.String expression, java.lang.Object item, QName
* returnType) throws IllegalArgumentException if returnType is not one of
* the types defined in XPathConstants.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = IllegalArgumentException.class)
public void testCheckXPath13() throws XPathExpressionException {
xpath.evaluate(EXPRESSION_NAME_A, document, TEST_QNAME);
}
/**
* XPath.evaluate(java.lang.String expression, java.lang.Object item, QName
* returnType) returns correct boolean value if returnType is Boolean.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPath14() throws XPathExpressionException {
assertEquals(xpath.evaluate(EXPRESSION_NAME_A, document, BOOLEAN), true);
}
/**
* XPath.evaluate(java.lang.String expression, java.lang.Object item, QName
* returnType) returns false as expression is not successful in evaluating
* to any result if returnType is Boolean.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPath15() throws XPathExpressionException {
assertEquals(xpath.evaluate(EXPRESSION_NAME_B, document, BOOLEAN), false);
}
/**
* XPath.evaluate(java.lang.String expression, java.lang.Object item, QName
* returnType) returns correct number value if return type is Number.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPath16() throws XPathExpressionException {
assertEquals(xpath.evaluate(EXPRESSION_NAME_A, document, NUMBER), 6d);
}
/**
* XPath.evaluate(java.lang.String expression, java.lang.Object item, QName
* returnType) returns correct string value if return type is Node.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPath17() throws XPathExpressionException {
assertEquals(((Attr)xpath.evaluate(EXPRESSION_NAME_A, document, NODE)).getValue(), "6");
}
/**
* Test for XPath.evaluate(java.lang.String expression, java.lang.Object
* item, QName returnType). If return type is NodeList,the evaluated value
* equals to "6" as expected.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPath18() throws XPathExpressionException {
NodeList nodeList = (NodeList)xpath.evaluate(EXPRESSION_NAME_A, document, NODESET);
assertEquals(((Attr) nodeList.item(0)).getValue(), "6");
}
/**
* Test for XPath.evaluate(java.lang.String expression, java.lang.Object
* item). If expression is null, should throw NPE.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath19() throws XPathExpressionException {
xpath.evaluate(null, document);
}
/**
* Test for XPath.evaluate(java.lang.String expression, java.lang.Object
* item). If a request is made to evaluate the expression in the absence of
* a context item, simple expressions, such as "1+1", can be evaluated.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPath20() throws XPathExpressionException {
assertEquals(xpath.evaluate("1+1", document), "2");
}
/**
* XPath.evaluate(java.lang.String expression, java.lang.Object item) throws
* NPE if InputSource is null.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath21() throws XPathExpressionException {
xpath.evaluate(EXPRESSION_NAME_A, null);
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source) return
* correct value by looking for Node.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPath22() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is)), "6");
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source) throws
* NPE if InputSource is null.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath23() throws XPathExpressionException {
xpath.evaluate(EXPRESSION_NAME_A, null);
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source) throws
* NPE if String expression is null.
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath24() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.evaluate(null, new InputSource(is));
}
}
/**
* Test for XPath.evaluate(java.lang.String expression, InputSource source).
* If expression is junk characters, expression cannot be evaluated, should
* throw XPathExpressionException.
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = XPathExpressionException.class)
public void testCheckXPath25() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.evaluate("-*&", new InputSource(is));
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source) throws
* XPathExpressionException if expression is blank " ".
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = XPathExpressionException.class)
public void testCheckXPath26() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.evaluate(" ", new InputSource(is));
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source, QName
* returnType) returns correct string value which return type is String.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPath27() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is), STRING), "6");
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source, QName
* returnType) throws NPE if source is null.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath28() throws XPathExpressionException {
xpath.evaluate(EXPRESSION_NAME_A, null, STRING);
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source, QName
* returnType) throws NPE if expression is null.
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath29() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.evaluate(null, new InputSource(is), STRING);
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source,
* QName returnType) throws NPE if returnType is null.
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath30() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is), null);
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source, QName
* returnType) throws XPathExpressionException if expression is junk characters.
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = XPathExpressionException.class)
public void testCheckXPath31() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.evaluate("-*&", new InputSource(is), STRING);
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source, QName
* returnType) throws XPathExpressionException if expression is blank " ".
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = XPathExpressionException.class)
public void testCheckXPath32() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.evaluate(" ", new InputSource(is), STRING);
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source,
* QName returnType) throws IllegalArgumentException if returnType is not
* one of the types defined in XPathConstants.
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = IllegalArgumentException.class)
public void testCheckXPath33() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is), TEST_QNAME);
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source,
* QName returnType) return correct boolean value if return type is Boolean.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPath34() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is),
BOOLEAN), true);
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source,
* QName returnType) return correct boolean value if return type is Boolean.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPath35() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.evaluate(EXPRESSION_NAME_B, new InputSource(is),
BOOLEAN), false);
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source,
* QName returnType) return correct number value if return type is Number.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPath36() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is),
NUMBER), 6d);
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource source,
* QName returnType) return correct string value if return type is Node.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPath37() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(((Attr)xpath.evaluate(EXPRESSION_NAME_A,
new InputSource(is), NODE)).getValue(), "6");
}
}
/**
* Test for XPath.evaluate(java.lang.String expression, InputSource source,
* QName returnType) which return type is NodeList.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPath38() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
NodeList nodeList = (NodeList)xpath.evaluate(EXPRESSION_NAME_A,
new InputSource(is), NODESET);
assertEquals(((Attr) nodeList.item(0)).getValue(), "6");
}
}
/**
* Test for XPath.evaluate(java.lang.String expression, InputSource iSource,
* QName returnType). If return type is Boolean, should return false as
* expression is not successful in evaluating to any result.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPath52() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.evaluate(EXPRESSION_NAME_B, new InputSource(is),
BOOLEAN), false);
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource iSource, QName
* returnType) returns correct number value which return type is Number.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPath53() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.evaluate(EXPRESSION_NAME_A, new InputSource(is),
NUMBER), 6d);
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource iSource, QName
* returnType) returns a node value if returnType is Node.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPath54() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(((Attr)xpath.evaluate(EXPRESSION_NAME_A,
new InputSource(is), NODE)).getValue(), "6");
}
}
/**
* XPath.evaluate(java.lang.String expression, InputSource iSource, QName
* returnType) returns a node list if returnType is NodeList.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPath55() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
NodeList nodeList = (NodeList)xpath.evaluate(EXPRESSION_NAME_A,
new InputSource(is), NODESET);
assertEquals(((Attr) nodeList.item(0)).getValue(), "6");
}
}
/**
* Test for XPath.getNamespaceContext() returns the current namespace
* context, null is returned if no namespace context is in effect.
*/
@Test
public void testCheckXPath56() {
// CR 6376058 says that an impl will be provided, but by
// default we still return null here
assertNull(xpath.getNamespaceContext());
}
/**
* Test for XPath.setNamespaceContext(NamespaceContext nsContext) Establish
* a namespace context. Set a valid nsContext and retrieve it using
* getNamespaceContext(), should return the same.
*/
@Test
public void testCheckXPath57() {
MyNamespaceContext myNamespaceContext = new MyNamespaceContext();
xpath.setNamespaceContext(myNamespaceContext);
assertEquals(xpath.getNamespaceContext(), myNamespaceContext);
}
/**
* Test for XPath.setNamespaceContext(NamespaceContext nsContext) Establish
* a namespace context. NullPointerException is thrown if nsContext is null.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath58() {
xpath.setNamespaceContext(null);
}
/**
* Test for XPath.getXPathFunctionResolver() Return the current function
* resolver. Null is returned if no function resolver is in effect.
*/
@Test
public void testCheckXPath59() {
assertNull(xpath.getXPathFunctionResolver());
}
/**
* Test for XPath.setXPathFunctionResolver(XPathFunctionResolver resolver).
* Set a valid resolver and retrieve it using getXPathFunctionResolver(),
* should return the same.
*/
@Test
public void testCheckXPath60() {
xpath.setXPathFunctionResolver((functionName, arity) -> null);
assertNotNull(xpath.getXPathFunctionResolver());
}
/**
* Test for XPath.setXPathFunctionResolver(XPathFunctionResolver resolver).
* set resolver as null, should throw NPE.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath61() {
xpath.setXPathFunctionResolver(null);
}
/**
* Test for XPath.getXPathVariableResolver() Return the current variable
* resolver. null is returned if no variable resolver is in effect.
*/
@Test
public void testCheckXPath62() {
assertNull(xpath.getXPathVariableResolver());
}
/**
* Test for XPath.setXPathVariableResolver(XPathVariableResolver resolver).
* Set a valid resolver and retrieve it using getXPathVariableResolver(),
* should return the same.
*/
@Test
public void testCheckXPath63() {
xpath.setXPathVariableResolver(qname -> null);
assertNotNull(xpath.getXPathVariableResolver());
}
/**
* Test for XPath.setXPathVariableResolver(XPathVariableResolver resolver).
* Set resolver as null, should throw NPE.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPath64() {
xpath.setXPathVariableResolver(null);
}
/**
* Customized NamespaceContext used for test
*/
private class MyNamespaceContext implements NamespaceContext {
/**
* et Namespace URI bound to a prefix in the current scope.
* @param prefix prefix to look up
* @return a Namespace URI identical to prefix
*/
@Override
public String getNamespaceURI(String prefix) {
return prefix;
}
/**
* Get prefix bound to Namespace URI in the current scope.
* @param namespaceURI URI of Namespace to lookup
* @return prefix identical to URI of Namespace
*/
@Override
public String getPrefix(String namespaceURI) {
return namespaceURI;
}
/**
* Get all prefixes bound to a Namespace URI in the current scope.
* @param namespaceURI URI of Namespace to lookup
* @return null
*/
@Override
public Iterator getPrefixes(String namespaceURI) {
return null;
}
}
}