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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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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.Assert.assertEquals;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import javax.xml.XMLConstants;
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 XPathExpression API.
*/
/*
* @test
* @library /javax/xml/jaxp/libs
* @run testng/othervm -DrunSecMngr=true javax.xml.xpath.ptests.XPathExpressionTest
* @run testng/othervm javax.xml.xpath.ptests.XPathExpressionTest
*/
@Listeners({jaxp.library.FilePolicy.class})
public class XPathExpressionTest {
/**
* 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 evaluate(java.lang.Object item,QName returnType)throws
* XPathExpressionException.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPathExpression01() throws XPathExpressionException {
assertEquals(xpath.compile(EXPRESSION_NAME_A).
evaluate(document, STRING), "6");
}
/**
* evaluate(java.lang.Object item,QName returnType) throws NPE if input
* source is null.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPathExpression02() throws XPathExpressionException {
xpath.compile(EXPRESSION_NAME_A).evaluate(null, STRING);
}
/**
* evaluate(java.lang.Object item,QName returnType) throws NPE if returnType
* is null.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPathExpression03() throws XPathExpressionException {
xpath.compile(EXPRESSION_NAME_A).evaluate(document, null);
}
/**
* Test for method evaluate(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 testCheckXPathExpression04() throws XPathExpressionException {
assertEquals(xpath.compile("1+1").evaluate(document, STRING), "2");
}
/**
* evaluate(java.lang.Object item,QName returnType) throws IAE 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 testCheckXPathExpression05() throws XPathExpressionException {
xpath.compile(EXPRESSION_NAME_A).evaluate(document, TEST_QNAME);
}
/**
* evaluate(java.lang.Object item,QName returnType) return correct boolean
* value if returnType is Boolean.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPathExpression06() throws XPathExpressionException {
assertEquals(xpath.compile(EXPRESSION_NAME_A).
evaluate(document, BOOLEAN), true);
}
/**
* evaluate(java.lang.Object item,QName returnType) return correct boolean
* value if returnType is Boolean.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPathExpression07() throws XPathExpressionException {
assertEquals(xpath.compile(EXPRESSION_NAME_B).
evaluate(document, BOOLEAN), false);
}
/**
* evaluate(java.lang.Object item,QName returnType) return correct number
* value when return type is Double.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPathExpression08() throws XPathExpressionException {
assertEquals(xpath.compile(EXPRESSION_NAME_A).
evaluate(document, NUMBER), 6d);
}
/**
* evaluate(java.lang.Object item,QName returnType) evaluate an attribute
* value which returnType is Node.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPathExpression09() throws XPathExpressionException {
Attr attr = (Attr) xpath.compile(EXPRESSION_NAME_A).
evaluate(document, NODE);
assertEquals(attr.getValue(), "6");
}
/**
* evaluate(java.lang.Object item,QName returnType) evaluate an attribute
* value which returnType is NodeList.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test
public void testCheckXPathExpression10() throws XPathExpressionException {
NodeList nodeList = (NodeList) xpath.compile(EXPRESSION_NAME_A).
evaluate(document, NODESET);
Attr attr = (Attr) nodeList.item(0);
assertEquals(attr.getValue(), "6");
}
/**
* Test for evaluate(java.lang.Object item) when returnType 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 testCheckXPathExpression11() throws XPathExpressionException {
assertEquals(xpath.compile(EXPRESSION_NAME_A).evaluate(document), "6");
}
/**
* evaluate(java.lang.Object item) throws NPE if expression is null.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPathExpression12() throws XPathExpressionException {
xpath.compile(null).evaluate(document);
}
/**
* evaluate(java.lang.Object item) when 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 testCheckXPathExpression13() throws XPathExpressionException {
assertEquals(xpath.compile("1+1").evaluate(document), "2");
}
/**
* evaluate(java.lang.Object item) throws NPE if document is null.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPathExpression14() throws XPathExpressionException {
xpath.compile(EXPRESSION_NAME_A).evaluate(null);
}
/**
* valuate(InputSource source) return a string value if return type is
* String.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPathExpression15() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.compile(EXPRESSION_NAME_A).
evaluate(new InputSource(is)), "6");
}
}
/**
* evaluate(InputSource source) throws NPE if input source is null.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPathExpression16() throws XPathExpressionException {
xpath.compile(EXPRESSION_NAME_A).evaluate(null);
}
/**
* evaluate(InputSource source) throws NPE if expression is null.
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPathExpression17() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.compile(null).evaluate(new InputSource(is));
}
}
/**
* evaluate(InputSource source) throws XPathExpressionException if
* returnType is String junk characters.
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = XPathExpressionException.class)
public void testCheckXPathExpression18() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.compile("-*&").evaluate(new InputSource(is));
}
}
/**
* evaluate(InputSource source) throws XPathExpressionException if
* expression is a blank string " ".
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = XPathExpressionException.class)
public void testCheckXPathExpression19() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.compile(" ").evaluate(new InputSource(is));
}
}
/**
* Test for evaluate(InputSource source,QName returnType) returns a string
* value if returnType is String.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPathExpression20() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.compile(EXPRESSION_NAME_A).
evaluate(new InputSource(is), STRING), "6");
}
}
/**
* evaluate(InputSource source,QName returnType) throws NPE if source is
* null.
*
* @throws XPathExpressionException If the expression cannot be evaluated.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPathExpression21() throws XPathExpressionException {
xpath.compile(EXPRESSION_NAME_A).evaluate(null, STRING);
}
/**
* evaluate(InputSource source,QName returnType) throws NPE if expression is
* null.
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPathExpression22() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.compile(null).evaluate(new InputSource(is), STRING);
}
}
/**
* evaluate(InputSource source,QName returnType) throws NPE if returnType is
* null.
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = NullPointerException.class)
public void testCheckXPathExpression23() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.compile(EXPRESSION_NAME_A).evaluate(new InputSource(is), null);
}
}
/**
* evaluate(InputSource source,QName returnType) throws
* XPathExpressionException if expression is junk characters.
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = XPathExpressionException.class)
public void testCheckXPathExpression24() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.compile("-*&").evaluate(new InputSource(is), STRING);
}
}
/**
* evaluate(InputSource source,QName returnType) throws
* XPathExpressionException if expression is blank " ".
*
* @throws Exception If any errors occur.
*/
@Test(expectedExceptions = XPathExpressionException.class)
public void testCheckXPathExpression25() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.compile(" ").evaluate(new InputSource(is), STRING);
}
}
/**
* evaluate(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 testCheckXPathExpression26() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
xpath.compile(EXPRESSION_NAME_A).evaluate(new InputSource(is), TEST_QNAME);
}
}
/**
* evaluate(InputSource source,QName returnType) return a correct boolean
* value if returnType is Boolean.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPathExpression27() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.compile(EXPRESSION_NAME_A).
evaluate(new InputSource(is), BOOLEAN), true);
}
}
/**
* evaluate(InputSource source,QName returnType) return a correct boolean
* value if returnType is Boolean.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPathExpression28() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.compile(EXPRESSION_NAME_B).
evaluate(new InputSource(is), BOOLEAN), false);
}
}
/**
* evaluate(InputSource source,QName returnType) return a correct number
* value if returnType is Number.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPathExpression29() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
assertEquals(xpath.compile(EXPRESSION_NAME_A).
evaluate(new InputSource(is), NUMBER), 6d);
}
}
/**
* Test for evaluate(InputSource source,QName returnType) returns a node if
* returnType is Node.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPathExpression30() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
Attr attr = (Attr) xpath.compile(EXPRESSION_NAME_A).
evaluate(new InputSource(is), NODE);
assertEquals(attr.getValue(), "6");
}
}
/**
* Test for evaluate(InputSource source,QName returnType) return a node list
* if returnType is NodeList.
*
* @throws Exception If any errors occur.
*/
@Test
public void testCheckXPathExpression31() throws Exception {
try (InputStream is = Files.newInputStream(XML_PATH)) {
NodeList nodeList = (NodeList) xpath.compile(EXPRESSION_NAME_A).
evaluate(new InputSource(is), NODESET);
assertEquals(((Attr) nodeList.item(0)).getValue(), "6");
}
}
}