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package org.custommonkey.xmlunit;

import org.custommonkey.xmlunit.examples.CountingNodeTester;
import org.custommonkey.xmlunit.exceptions.ConfigurationException;
import org.custommonkey.xmlunit.exceptions.XpathException;

import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.util.Iterator;
import java.util.NoSuchElementException;

import javax.xml.parsers.DocumentBuilder;

import junit.framework.Assert;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;


/**
 * Collection of static methods so that XML assertion facilities are available
 * in any class, not just test suites. Thanks to Andrew McCormick and others for
 * suggesting this refactoring.
* Available assertion methods are: *
    *
  • assertXMLEqual
    * assert that two pieces of XML markup are similar
  • *
  • assertXMLNotEqual
    * assert that two pieces of XML markup are different
  • *
  • assertXMLIdentical
    * assert that two pieces of XML markup are identical. In most cases * this assertion is too strong and assertXMLEqual is sufficient
  • *
  • assertXpathExists
    * assert that an XPath expression matches at least one node
  • *
  • assertXpathNotExists
    * assert that an XPath expression does not match any nodes
  • *
  • assertXpathsEqual
    * assert that the nodes obtained by executing two Xpaths * are similar
  • *
  • assertXpathsNotEqual
    * assert that the nodes obtained by executing two Xpaths * are different
  • *
  • assertXpathValuesEqual
    * assert that the flattened String obtained by executing two Xpaths * are similar
  • *
  • assertXpathValuesNotEqual
    * assert that the flattened String obtained by executing two Xpaths * are different
  • *
  • assertXpathEvaluatesTo
    * assert that the flattened String obtained by executing an Xpath * is a particular value
  • *
  • assertXMLValid
    * assert that a piece of XML markup is valid with respect to a DTD: either * by using the markup's own DTD or a different DTD
  • *
  • assertNodeTestPasses
    * assert that a piece of XML markup passes a {@link NodeTest NodeTest}
  • *
* All underlying similarity and difference testing is done using * {@link Diff Diff} instances which can be instantiated and evaluated * independently of this class. * @see Diff#similar() * @see Diff#identical() */ public class XMLAssert extends Assert implements XSLTConstants { /** * Empty constructor. */ protected XMLAssert(){ super(); } /** * Assert that the result of an XML comparison is or is not similar. * @param diff the result of an XML comparison * @param assertion true if asserting that result is similar */ public static void assertXMLEqual(Diff diff, boolean assertion) { assertXMLEqual(null, diff, assertion); } /** * Assert that the result of an XML comparison is or is not similar. * @param msg additional message to display if assertion fails * @param diff the result of an XML comparison * @param assertion true if asserting that result is similar */ public static void assertXMLEqual(String msg, Diff diff, boolean assertion) { if (assertion != diff.similar()) { fail(getFailMessage(msg, diff)); } } private static String getFailMessage(String msg, Diff diff) { StringBuilder sb = new StringBuilder(); if (msg != null && msg.length() > 0) { sb.append(msg).append(", "); } return sb.append(diff.toString()).toString(); } /** * Assert that the result of an XML comparison is or is not identical * @param diff the result of an XML comparison * @param assertion true if asserting that result is identical */ public static void assertXMLIdentical(Diff diff, boolean assertion) { assertXMLIdentical(null, diff, assertion); } /** * Assert that the result of an XML comparison is or is not identical * @param msg Message to display if assertion fails * @param diff the result of an XML comparison * @param assertion true if asserting that result is identical */ public static void assertXMLIdentical(String msg, Diff diff, boolean assertion) { if (assertion != diff.identical()) { fail(getFailMessage(msg, diff)); } } /** * Assert that two XML documents are similar * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLEqual(InputSource control, InputSource test) throws SAXException, IOException { assertXMLEqual(null, control, test); } /** * Assert that two XML documents are similar * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLEqual(String control, String test) throws SAXException, IOException { assertXMLEqual(null, control, test); } /** * Assert that two XML documents are similar * @param control XML to be compared against * @param test XML to be tested */ public static void assertXMLEqual(Document control, Document test) { assertXMLEqual(null, control, test); } /** * Assert that two XML documents are similar * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLEqual(Reader control, Reader test) throws SAXException, IOException { assertXMLEqual(null, control, test); } /** * Assert that two XML documents are similar * @param err Message to be displayed on assertion failure * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLEqual(String err, InputSource control, InputSource test) throws SAXException, IOException { Diff diff = new Diff(control, test); assertXMLEqual(err, diff, true); } /** * Assert that two XML documents are similar * @param err Message to be displayed on assertion failure * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLEqual(String err, String control, String test) throws SAXException, IOException { Diff diff = new Diff(control, test); assertXMLEqual(err, diff, true); } /** * Assert that two XML documents are similar * @param err Message to be displayed on assertion failure * @param control XML to be compared against * @param test XML to be tested */ public static void assertXMLEqual(String err, Document control, Document test) { Diff diff = new Diff(control, test); assertXMLEqual(err, diff, true); } /** * Assert that two XML documents are similar * @param err Message to be displayed on assertion failure * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLEqual(String err, Reader control, Reader test) throws SAXException, IOException { Diff diff = new Diff(control, test); assertXMLEqual(err, diff, true); } /** * Assert that two XML documents are NOT similar * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLNotEqual(InputSource control, InputSource test) throws SAXException, IOException { assertXMLNotEqual(null, control, test); } /** * Assert that two XML documents are NOT similar * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLNotEqual(String control, String test) throws SAXException, IOException { assertXMLNotEqual(null, control, test); } /** * Assert that two XML documents are NOT similar * @param control XML to be compared against * @param test XML to be tested */ public static void assertXMLNotEqual(Document control, Document test) { assertXMLNotEqual(null, control, test); } /** * Assert that two XML documents are NOT similar * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLNotEqual(Reader control, Reader test) throws SAXException, IOException { assertXMLNotEqual(null, control, test); } /** * Assert that two XML documents are NOT similar * @param err Message to be displayed on assertion failure * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLNotEqual(String err, InputSource control, InputSource test) throws SAXException, IOException { Diff diff = new Diff(control, test); assertXMLEqual(err, diff, false); } /** * Assert that two XML documents are NOT similar * @param err Message to be displayed on assertion failure * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLNotEqual(String err, String control, String test) throws SAXException, IOException { Diff diff = new Diff(control, test); assertXMLEqual(err, diff, false); } /** * Assert that two XML documents are NOT similar * @param err Message to be displayed on assertion failure * @param control XML to be compared against * @param test XML to be tested */ public static void assertXMLNotEqual(String err, Document control, Document test) { Diff diff = new Diff(control, test); assertXMLEqual(err, diff, false); } /** * Assert that two XML documents are NOT similar * @param err Message to be displayed on assertion failure * @param control XML to be compared against * @param test XML to be tested * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXMLNotEqual(String err, Reader control, Reader test) throws SAXException, IOException { Diff diff = new Diff(control, test); assertXMLEqual(err, diff, false); } /** * Assert that the node lists of two Xpaths in the same document are equal * @param controlXpath XPath for expected value * @param testXpath XPath for actual value * @param document document to apply XPaths to * @see XpathEngine * @throws XpathException if XPath construction fails */ public static void assertXpathsEqual(String controlXpath, String testXpath, Document document) throws XpathException { assertXpathsEqual(controlXpath, document, testXpath, document); } /** * Assert that the node lists of two Xpaths in the same document are equal * @param controlXpath XPath for expected value * @param testXpath XPath for actual value * @param document document to apply XPaths to * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathsEqual(String controlXpath, String testXpath, InputSource document) throws SAXException, IOException, XpathException { assertXpathsEqual(controlXpath, testXpath, XMLUnit.buildControlDocument(document)); } /** * Assert that the node lists of two Xpaths in the same XML string are * equal * @param controlXpath XPath for expected value * @param testXpath XPath for actual value * @param inXMLString document to apply XPaths to * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathsEqual(String controlXpath, String testXpath, String inXMLString) throws SAXException, IOException, XpathException { assertXpathsEqual(controlXpath, testXpath, XMLUnit.buildControlDocument(inXMLString)); } /** * Assert that the node lists of two Xpaths in two documents are equal * @param controlXpath XPath for expected value * @param controlDocument document for expected value * @param testXpath XPath for actual value * @param testDocument document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathsEqual(String controlXpath, InputSource controlDocument, String testXpath, InputSource testDocument) throws SAXException, IOException, XpathException { assertXpathsEqual(controlXpath, XMLUnit.buildControlDocument(controlDocument), testXpath, XMLUnit.buildTestDocument(testDocument)); } /** * Assert that the node lists of two Xpaths in two XML strings are equal * @param controlXpath XPath for expected value * @param inControlXMLString document for expected value * @param testXpath XPath for actual value * @param inTestXMLString document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathsEqual(String controlXpath, String inControlXMLString, String testXpath, String inTestXMLString) throws SAXException, IOException, XpathException { assertXpathsEqual( controlXpath, XMLUnit.buildControlDocument(inControlXMLString), testXpath, XMLUnit.buildTestDocument(inTestXMLString)); } /** * Assert that the node lists of two Xpaths in two documents are equal * @param controlXpath XPath for expected value * @param controlDocument document for expected value * @param testXpath XPath for actual value * @param testDocument document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails */ public static void assertXpathsEqual(String controlXpath, Document controlDocument, String testXpath, Document testDocument) throws XpathException { assertXpathEquality(controlXpath, controlDocument, testXpath, testDocument, true); } /** * Assert that the node lists of two Xpaths in the same document are NOT equal * @param controlXpath XPath for not-expected value * @param testXpath XPath for actual value * @param document document to apply XPaths to * @see XpathEngine * @throws XpathException if XPath construction fails */ public static void assertXpathsNotEqual(String controlXpath, String testXpath, Document document) throws XpathException { assertXpathsNotEqual(controlXpath, document, testXpath, document); } /** * Assert that the node lists of two Xpaths in the same document are NOT equal * @param controlXpath XPath for not-expected value * @param testXpath XPath for actual value * @param document document to apply XPaths to * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathsNotEqual(String controlXpath, String testXpath, InputSource document) throws SAXException, IOException, XpathException { assertXpathsNotEqual(controlXpath, testXpath, XMLUnit.buildControlDocument(document)); } /** * Assert that the node lists of two Xpaths in the same XML string are NOT * equal * @param controlXpath XPath for not-expected value * @param testXpath XPath for actual value * @param inXMLString document to apply XPaths to * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathsNotEqual(String controlXpath, String testXpath, String inXMLString) throws SAXException, IOException, XpathException { assertXpathsNotEqual(controlXpath, testXpath, XMLUnit.buildControlDocument(inXMLString)); } /** * Assert that the node lists of two Xpaths in two XML strings are NOT equal * @param controlXpath XPath for not-expected value * @param inControlXMLString document for not-expected value * @param testXpath XPath for actual value * @param inTestXMLString document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathsNotEqual(String controlXpath, String inControlXMLString, String testXpath, String inTestXMLString) throws SAXException, IOException, XpathException { assertXpathsNotEqual( controlXpath, XMLUnit.buildControlDocument(inControlXMLString), testXpath, XMLUnit.buildTestDocument(inTestXMLString)); } /** * Assert that the node lists of two Xpaths in two XML strings are * NOT equal * @param controlXpath XPath for not-expected value * @param controlDocument document for not-expected value * @param testXpath XPath for actual value * @param testDocument document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathsNotEqual(String controlXpath, InputSource controlDocument, String testXpath, InputSource testDocument) throws SAXException, IOException, XpathException { assertXpathsNotEqual(controlXpath, XMLUnit.buildControlDocument(controlDocument), testXpath, XMLUnit.buildTestDocument(testDocument)); } /** * Assert that the node lists of two Xpaths in two documents are NOT equal * @param controlXpath XPath for not-expected value * @param controlDocument document for not-expected value * @param testXpath XPath for actual value * @param testDocument document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails */ public static void assertXpathsNotEqual(String controlXpath, Document controlDocument, String testXpath, Document testDocument) throws XpathException { assertXpathEquality(controlXpath, controlDocument, testXpath, testDocument, false); } /** * Assert that the node lists of two Xpaths in two documents are * equal or not. * @param equal whether the values should be equal. */ private static void assertXpathEquality(String controlXpath, Document controlDocument, String testXpath, Document testDocument, boolean equal) throws XpathException { XpathEngine xpath = XMLUnit.newXpathEngine(); Diff diff = new Diff(asXpathResultDocument(XMLUnit.newControlParser(), xpath.getMatchingNodes(controlXpath, controlDocument)), asXpathResultDocument(XMLUnit.newTestParser(), xpath.getMatchingNodes(testXpath, testDocument))); assertXMLEqual(diff, equal); } /** * Assert that the evaluation of two Xpaths in the same document are equal * @param controlXpath XPath for expected value * @param testXpath XPath for actual value * @param document document to apply XPaths to * @see XpathEngine * @throws XpathException if XPath construction fails */ public static void assertXpathValuesEqual(String controlXpath, String testXpath, Document document) throws XpathException { assertXpathValuesEqual(controlXpath, document, testXpath, document); } /** * Assert that the evaluation of two Xpaths in the same XML string are * equal * @param controlXpath XPath for expected value * @param testXpath XPath for actual value * @param document document to apply XPaths to * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathValuesEqual(String controlXpath, String testXpath, InputSource document) throws SAXException, IOException, XpathException { assertXpathValuesEqual(controlXpath, testXpath, XMLUnit.buildControlDocument(document)); } /** * Assert that the evaluation of two Xpaths in the same XML string are * equal * @param controlXpath XPath for expected value * @param testXpath XPath for actual value * @param inXMLString document to apply XPaths to * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathValuesEqual(String controlXpath, String testXpath, String inXMLString) throws SAXException, IOException, XpathException { assertXpathValuesEqual(controlXpath, testXpath, XMLUnit.buildControlDocument(inXMLString)); } /** * Assert that the evaluation of two Xpaths in two XML strings are equal * @param controlXpath XPath for expected value * @param control document for expected value * @param testXpath XPath for actual value * @param test document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathValuesEqual(String controlXpath, InputSource control, String testXpath, InputSource test) throws SAXException, IOException, XpathException { assertXpathValuesEqual(controlXpath, XMLUnit.buildControlDocument(control), testXpath, XMLUnit.buildTestDocument(test)); } /** * Assert that the evaluation of two Xpaths in two XML strings are equal * @param controlXpath XPath for expected value * @param inControlXMLString document for expected value * @param testXpath XPath for actual value * @param inTestXMLString document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathValuesEqual(String controlXpath, String inControlXMLString, String testXpath, String inTestXMLString) throws SAXException, IOException, XpathException { assertXpathValuesEqual(controlXpath, XMLUnit.buildControlDocument(inControlXMLString), testXpath, XMLUnit.buildTestDocument(inTestXMLString)); } /** * Assert that the evaluation of two Xpaths in two documents are equal * @param controlXpath XPath for expected value * @param controlDocument document for expected value * @param testXpath XPath for actual value * @param testDocument document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails */ public static void assertXpathValuesEqual(String controlXpath, Document controlDocument, String testXpath, Document testDocument) throws XpathException { XpathEngine xpath = XMLUnit.newXpathEngine(); assertEquals(xpath.evaluate(controlXpath, controlDocument), xpath.evaluate(testXpath, testDocument)); } /** * Assert that the evaluation of two Xpaths in the same XML string are * NOT equal * @param controlXpath XPath for not-expected value * @param control document to apply XPaths to * @param testXpath XPath for actual value * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathValuesNotEqual(String controlXpath, String testXpath, InputSource control) throws SAXException, IOException, XpathException { assertXpathValuesNotEqual(controlXpath, testXpath, XMLUnit.buildControlDocument(control)); } /** * Assert that the evaluation of two Xpaths in the same XML string are * NOT equal * @param controlXpath XPath for not-expected value * @param inXMLString document to apply XPaths to * @param testXpath XPath for actual value * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathValuesNotEqual(String controlXpath, String testXpath, String inXMLString) throws SAXException, IOException, XpathException { assertXpathValuesNotEqual(controlXpath, testXpath, XMLUnit.buildControlDocument(inXMLString)); } /** * Assert that the evaluation of two Xpaths in the same document are * NOT equal * @param controlXpath XPath for not-expected value * @param document document to apply XPaths to * @param testXpath XPath for actual value * @see XpathEngine * @throws XpathException if XPath construction fails */ public static void assertXpathValuesNotEqual(String controlXpath, String testXpath, Document document) throws XpathException { assertXpathValuesNotEqual(controlXpath, document, testXpath, document); } /** * Assert that the evaluation of two Xpaths in two XML strings are * NOT equal * @param controlXpath XPath for not-expected value * @param control document for not-expected value * @param testXpath XPath for actual value * @param test document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathValuesNotEqual(String controlXpath, InputSource control, String testXpath, InputSource test) throws SAXException, IOException, XpathException { assertXpathValuesNotEqual(controlXpath, XMLUnit.buildControlDocument(control), testXpath, XMLUnit.buildTestDocument(test)); } /** * Assert that the evaluation of two Xpaths in two XML strings are * NOT equal * @param controlXpath XPath for not-expected value * @param inControlXMLString document for not-expected value * @param testXpath XPath for actual value * @param inTestXMLString document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors */ public static void assertXpathValuesNotEqual(String controlXpath, String inControlXMLString, String testXpath, String inTestXMLString) throws SAXException, IOException, XpathException { assertXpathValuesNotEqual(controlXpath, XMLUnit.buildControlDocument(inControlXMLString), testXpath, XMLUnit.buildTestDocument(inTestXMLString)); } /** * Assert that the evaluation of two Xpaths in two documents are * NOT equal * @param controlXpath XPath for not-expected value * @param controlDocument document for not-expected value * @param testXpath XPath for actual value * @param testDocument document for actual value * @see XpathEngine * @throws XpathException if XPath construction fails */ public static void assertXpathValuesNotEqual(String controlXpath, Document controlDocument, String testXpath, Document testDocument) throws XpathException { XpathEngine xpath = XMLUnit.newXpathEngine(); String control = xpath.evaluate(controlXpath, controlDocument); String test = xpath.evaluate(testXpath, testDocument); if (control!=null) { if (control.equals(test)) { fail("Expected test value NOT to be equal to control but both were " + test); } } else if (test == null) { fail("Expected test value NOT to be equal to control but both were empty"); } } /** * Assert the value of an Xpath expression in an XML document. * @param expectedValue the expected value * @param xpathExpression XPath for actual value * @param control document to apply XPaths to * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathEvaluatesTo(String expectedValue, String xpathExpression, InputSource control) throws SAXException, IOException, XpathException { Document document = XMLUnit.buildControlDocument(control); assertXpathEvaluatesTo(expectedValue, xpathExpression, document); } /** * Assert the value of an Xpath expression in an XML String * @param expectedValue the expected value * @param xpathExpression XPath for actual value * @param inXMLString document to apply XPaths to * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathEvaluatesTo(String expectedValue, String xpathExpression, String inXMLString) throws SAXException, IOException, XpathException { Document document = XMLUnit.buildControlDocument(inXMLString); assertXpathEvaluatesTo(expectedValue, xpathExpression, document); } /** * Assert the value of an Xpath expression in an DOM Document * @param expectedValue the expected value * @param xpathExpression XPath for actual value * @param inDocument document to apply XPaths to * @throws XpathException if XPath construction fails * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathEvaluatesTo(String expectedValue, String xpathExpression, Document inDocument) throws XpathException { XpathEngine simpleXpathEngine = XMLUnit.newXpathEngine(); assertEquals(expectedValue, simpleXpathEngine.evaluate(xpathExpression, inDocument)); } /** * Assert the value of an Xpath expression in an XML document. * @param expectedValue the expected value * @param xpathExpression XPath for actual value * @param control document to apply XPaths to * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathEvaluatesTo(QualifiedName expectedValue, String xpathExpression, InputSource control) throws SAXException, IOException, XpathException { Document document = XMLUnit.buildControlDocument(control); assertXpathEvaluatesTo(expectedValue, xpathExpression, document); } /** * Assert the value of an Xpath expression in an XML String * @param expectedValue the expected value * @param xpathExpression XPath for actual value * @param inXMLString document to apply XPaths to * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathEvaluatesTo(QualifiedName expectedValue, String xpathExpression, String inXMLString) throws SAXException, IOException, XpathException { Document document = XMLUnit.buildControlDocument(inXMLString); assertXpathEvaluatesTo(expectedValue, xpathExpression, document); } /** * Assert the value of an Xpath expression in an DOM Document * @param expectedValue the expected value * @param xpathExpression XPath for actual value * @param inDocument document to apply XPaths to * @throws XpathException if XPath construction fails * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathEvaluatesTo(QualifiedName expectedValue, String xpathExpression, Document inDocument) throws XpathException { XpathEngine simpleXpathEngine = XMLUnit.newXpathEngine(); NodeList nl = simpleXpathEngine.getMatchingNodes(xpathExpression, inDocument); NamespaceContext ctx = null; if (nl.getLength() > 0) { ctx = new NodeBasedNamespaceContext(nl.item(0)); } assertEquals(expectedValue, QualifiedName .valueOf(simpleXpathEngine.evaluate(xpathExpression, inDocument), ctx)); } /** * Assert that a specific XPath exists in some given XML * @param xPathExpression XPath for actual value * @param control document to apply XPaths to * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathExists(String xPathExpression, InputSource control) throws IOException, SAXException, XpathException { Document inDocument = XMLUnit.buildControlDocument(control); assertXpathExists(xPathExpression, inDocument); } /** * Assert that a specific XPath exists in some given XML * @param xPathExpression XPath for actual value * @param inXMLString document to apply XPaths to * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathExists(String xPathExpression, String inXMLString) throws IOException, SAXException, XpathException { Document inDocument = XMLUnit.buildControlDocument(inXMLString); assertXpathExists(xPathExpression, inDocument); } /** * Assert that a specific XPath exists in some given XML * @param xPathExpression XPath for actual value * @param inDocument document to apply XPaths to * @throws XpathException if XPath construction fails * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathExists(String xPathExpression, Document inDocument) throws XpathException { XpathEngine simpleXpathEngine = XMLUnit.newXpathEngine(); NodeList nodeList = simpleXpathEngine.getMatchingNodes( xPathExpression, inDocument); int matches = nodeList.getLength(); assertTrue("Expecting to find matches for Xpath " + xPathExpression, matches > 0); } /** * Assert that a specific XPath does NOT exist in some given XML * @param xPathExpression XPath for actual value * @param control document to apply XPaths to * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathNotExists(String xPathExpression, InputSource control) throws IOException, SAXException, XpathException { Document inDocument = XMLUnit.buildControlDocument(control); assertXpathNotExists(xPathExpression, inDocument); } /** * Assert that a specific XPath does NOT exist in some given XML * @param xPathExpression XPath for actual value * @param inXMLString document to apply XPaths to * @throws XpathException if XPath construction fails * @throws SAXException if the parser says so * @throws IOException on I/O errors * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathNotExists(String xPathExpression, String inXMLString) throws IOException, SAXException, XpathException { Document inDocument = XMLUnit.buildControlDocument(inXMLString); assertXpathNotExists(xPathExpression, inDocument); } /** * Assert that a specific XPath does NOT exist in some given XML * @param xPathExpression XPath for actual value * @param inDocument document to apply XPaths to * @throws XpathException if XPath construction fails * @see XpathEngine which provides the underlying evaluation mechanism */ public static void assertXpathNotExists(String xPathExpression, Document inDocument) throws XpathException { XpathEngine simpleXpathEngine = XMLUnit.newXpathEngine(); NodeList nodeList = simpleXpathEngine.getMatchingNodes( xPathExpression, inDocument); int matches = nodeList.getLength(); assertEquals("Should be zero matches for Xpath " + xPathExpression, 0, matches); } /** * Assert that an InputSource containing XML contains valid XML: * the document must contain a DOCTYPE declaration to be validated * @param xml the document to validate * @throws SAXException if the parser says so * @throws ConfigurationException if validation could not be turned on * @see Validator */ public static void assertXMLValid(InputSource xml) throws SAXException, ConfigurationException { assertXMLValid(new Validator(xml)); } /** * Assert that a String containing XML contains valid XML: the String must * contain a DOCTYPE declaration to be validated * @param xmlString the document to validate * @throws SAXException if the parser says so * @throws ConfigurationException if validation could not be turned on * @see Validator */ public static void assertXMLValid(String xmlString) throws SAXException, ConfigurationException { assertXMLValid(new Validator(xmlString)); } /** * Assert that an InputSource containing XML contains valid XML: * the document must contain a DOCTYPE to be validated, but the * validation will use the systemId to obtain the DTD * @param xml the document to validate * @param systemId used to obtain the DTD * @throws SAXException if the parser says so * @throws ConfigurationException if validation could not be turned on * @see Validator */ public static void assertXMLValid(InputSource xml, String systemId) throws SAXException, ConfigurationException { assertXMLValid(new Validator(xml, systemId)); } /** * Assert that a String containing XML contains valid XML: the String must * contain a DOCTYPE to be validated, but the validation will use the * systemId to obtain the DTD * @param xmlString the document to validate * @param systemId used to obtain the DTD * @throws SAXException if the parser says so * @throws ConfigurationException if validation could not be turned on * @see Validator */ public static void assertXMLValid(String xmlString, String systemId) throws SAXException, ConfigurationException { assertXMLValid(new Validator(xmlString, systemId)); } /** * Assert that a piece of XML contains valid XML: the document * will be given a DOCTYPE to be validated with the name and * systemId specified regardless of whether it already contains a * doctype declaration. * @param xml the document to validate * @param systemId used to obtain the DTD * @param doctype DOCTYPE to use during validation * @throws SAXException if the parser says so * @throws ConfigurationException if validation could not be turned on * @see Validator */ public static void assertXMLValid(InputSource xml, String systemId, String doctype) throws SAXException, ConfigurationException { assertXMLValid(new Validator(xml, systemId, doctype)); } /** * Assert that a String containing XML contains valid XML: the String will * be given a DOCTYPE to be validated with the name and systemId specified * regardless of whether it already contains a doctype declaration. * @param xmlString the document to validate * @param systemId used to obtain the DTD * @param doctype DOCTYPE to use during validation * @throws SAXException if the parser says so * @throws ConfigurationException if validation could not be turned on * @see Validator */ public static void assertXMLValid(String xmlString, String systemId, String doctype) throws SAXException, ConfigurationException { assertXMLValid(new Validator(new StringReader(xmlString), systemId, doctype)); } /** * Assert that a Validator instance returns isValid() == true * @param validator validator to check */ public static void assertXMLValid(Validator validator) { assertEquals(validator.toString(), true, validator.isValid()); } /** * Execute a NodeTest for a single node type * and assert that it passes * @param xml the document to validate * @param tester The test strategy * @param nodeType The node type to be tested: constants defined * in {@link Node org.w3c.dom.Node} e.g. Node.ELEMENT_NODE * @throws SAXException if the parser says so * @throws IOException on I/O errors * @see AbstractNodeTester * @see CountingNodeTester */ public static void assertNodeTestPasses(InputSource xml, NodeTester tester, short nodeType) throws SAXException, IOException { NodeTest test = new NodeTest(xml); assertNodeTestPasses(test, tester, new short[] {nodeType}, true); } /** * Execute a NodeTest for a single node type * and assert that it passes * @param xmlString XML to be tested * @param tester The test strategy * @param nodeType The node type to be tested: constants defined * in {@link Node org.w3c.dom.Node} e.g. Node.ELEMENT_NODE * @throws SAXException if the parser says so * @throws IOException on I/O errors * @see AbstractNodeTester * @see CountingNodeTester */ public static void assertNodeTestPasses(String xmlString, NodeTester tester, short nodeType) throws SAXException, IOException { NodeTest test = new NodeTest(xmlString); assertNodeTestPasses(test, tester, new short[] {nodeType}, true); } /** * Execute a NodeTest for multiple node types and make an * assertion about it whether it is expected to pass * @param test a NodeTest instance containing the XML source to be tested * @param tester The test strategy * @param nodeTypes The node types to be tested: constants defined * in {@link Node org.w3c.dom.Node} e.g. Node.ELEMENT_NODE * @param assertion true if the test is expected to pass, false otherwise * @see AbstractNodeTester * @see CountingNodeTester */ public static void assertNodeTestPasses(NodeTest test, NodeTester tester, short[] nodeTypes, boolean assertion) { try { test.performTest(tester, nodeTypes); if (!assertion) { fail("Expected node test to fail, but it passed!"); } } catch (NodeTestException e) { if (assertion) { fail("Expected node test to pass, but it failed! " + e.getMessage()); } } } private static Document asXpathResultDocument(final DocumentBuilder builder, final NodeList nodes) { final Document d = builder.newDocument(); final Element root = d.createElement("xpathResult"); d.appendChild(root); final int length = nodes.getLength(); for (int i = 0; i < length; i++) { Node n = d.importNode(nodes.item(i), true); if (n instanceof Attr) { root.setAttributeNodeNS((Attr) n); } else { root.appendChild(n); } } return d; } private static class NodeBasedNamespaceContext implements NamespaceContext { private final Node node; NodeBasedNamespaceContext(Node n) { node = n; } public String getNamespaceURI(String prefix) { return node.lookupNamespaceURI(prefix); } // not used in context of #assertXpathEvaluatesTo public Iterator getPrefixes() { return new Iterator() { public boolean hasNext() { return false; } public Object next() { throw new NoSuchElementException(); } public void remove() { throw new UnsupportedOperationException(); } }; } } }




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