test_DifferenceEngine.java
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package org.custommonkey.xmlunit;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.w3c.dom.Attr;
import org.w3c.dom.CDATASection;
import org.w3c.dom.Comment;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentType;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.ProcessingInstruction;
import org.w3c.dom.Text;
import org.xml.sax.SAXException;
/**
* JUnit test for DifferenceEngine
*/
public class test_DifferenceEngine extends TestCase implements DifferenceConstants {
private CollectingDifferenceListener listener;
private DifferenceEngine engine;
private Document document;
private final ComparisonController PSEUDO_DIFF = new SimpleComparisonController();
private final ComparisonController PSEUDO_DETAILED_DIFF = new NeverHaltingComparisonController();
private final static ElementQualifier
DEFAULT_ELEMENT_QUALIFIER = new ElementNameQualifier();
private final static String TEXT_A = "the pack on my back is aching";
private final static String TEXT_B = "the straps seem to cut me like a knife";
private final static String COMMENT_A = "Im no clown I wont back down";
private final static String COMMENT_B = "dont need you to tell me whats going down";
private final static String[] PROC_A = {"down", "down down"};
private final static String[] PROC_B = {"dadada", "down"};
private final static String CDATA_A = "I'm standing alone, you're weighing the gold";
private final static String CDATA_B = "I'm watching you sinking... Fools Gold";
private final static String ATTR_A = "These boots were made for walking";
private final static String ATTR_B = "The marquis de sade never wore no boots like these";
private void assertDifferentText(Text control, Text test,
Difference difference) {
try {
engine.compareText(control, test, listener);
} catch (DifferenceEngine.DifferenceFoundException e) {
}
assertEquals(difference.getId(), listener.comparingWhat);
assertEquals(true, listener.different);
resetListener();
}
public void testCompareText() throws Exception {
String expected = TEXT_A;
String actual = TEXT_B;
Text control = document.createTextNode(expected);
Text test = document.createTextNode(actual);
assertDifferentText(control, test, TEXT_VALUE);
}
private void assertDifferentProcessingInstructions (
ProcessingInstruction control, ProcessingInstruction test,
Difference difference) {
try {
engine.compareProcessingInstruction(control, test, listener);
} catch (DifferenceEngine.DifferenceFoundException e) {
}
assertEquals(difference.getId(), listener.comparingWhat);
assertEquals(true, listener.different);
resetListener();
}
public void testCompareProcessingInstruction() throws Exception {
String[] expected = PROC_A;
String[] actual = PROC_B;
ProcessingInstruction control = document.createProcessingInstruction(
expected[0], expected[1]);
ProcessingInstruction test = document.createProcessingInstruction(
actual[0], actual[1]);
assertDifferentProcessingInstructions(control, test,
PROCESSING_INSTRUCTION_TARGET);
ProcessingInstruction control2 = document.createProcessingInstruction(
expected[0], expected[1]);
ProcessingInstruction test2 = document.createProcessingInstruction(
expected[0], actual[1]);
assertDifferentProcessingInstructions(control2, test2,
PROCESSING_INSTRUCTION_DATA);
}
private void assertDifferentComments(Comment control, Comment test,
Difference difference) {
try {
engine.compareComment(control, test, listener);
} catch (DifferenceEngine.DifferenceFoundException e) {
}
assertEquals(difference.getId(), listener.comparingWhat);
assertEquals(true, listener.different);
resetListener();
}
public void testCompareComment() throws Exception {
String expected = COMMENT_A;
String actual = COMMENT_B;
Comment control = document.createComment(expected);
Comment test = document.createComment(actual);
assertDifferentComments(control, test, COMMENT_VALUE);
}
private void assertDifferentCDATA(CDATASection control, CDATASection test,
Difference difference) {
try {
engine.compareCDataSection(control, test, listener);
} catch (DifferenceEngine.DifferenceFoundException e) {
}
assertEquals(difference.getId(), listener.comparingWhat);
assertEquals(true, listener.different);
resetListener();
}
public void testCompareCDATA() throws Exception {
String expected = CDATA_A ;
String actual = CDATA_B ;
CDATASection control = document.createCDATASection(expected);
CDATASection test = document.createCDATASection(actual);
assertDifferentCDATA(control, test, CDATA_VALUE);
}
private void assertDifferentDocumentTypes(DocumentType control,
DocumentType test, Difference difference, boolean fatal) {
try {
engine.compareDocumentType(control, test, listener);
if (fatal) {
fail("Expected fatal difference!");
}
} catch (DifferenceEngine.DifferenceFoundException e) {
if (!fatal) {
fail("Expected similarity not fatal difference!");
}
}
assertEquals(difference.getId(), listener.comparingWhat);
assertEquals(fatal, listener.different);
resetListener();
}
public void testCompareDocumentType() throws Exception {
File tmpFile = File.createTempFile("Roses","dtd");
tmpFile.deleteOnExit();
String tmpDTD = "<!ELEMENT leaf (#PCDATA)><!ELEMENT root (leaf)>";
new FileWriter(tmpFile).write(tmpDTD);
String rosesDTD = tmpFile.toURL().toExternalForm();
File altTmpFile = File.createTempFile("TheCrows", "dtd");
altTmpFile.deleteOnExit();
new FileWriter(altTmpFile).write(tmpDTD);
String theCrowsDTD = altTmpFile.toURL().toExternalForm();
Document controlDoc = XMLUnit.buildControlDocument(
"<!DOCTYPE root PUBLIC 'Stone' '" + rosesDTD + "'>"
+ "<root><leaf/></root>");
Document testDoc = XMLUnit.buildTestDocument(
"<!DOCTYPE tree PUBLIC 'Stone' '" + rosesDTD + "'>"
+ "<tree><leaf/></tree>");
DocumentType control = controlDoc.getDoctype();
DocumentType test = testDoc.getDoctype();
assertDifferentDocumentTypes(control, test, DOCTYPE_NAME, true);
test = XMLUnit.buildTestDocument("<!DOCTYPE root PUBLIC 'id' '" + rosesDTD + "'>"
+ "<root><leaf/></root>").getDoctype();
assertDifferentDocumentTypes(control, test, DOCTYPE_PUBLIC_ID, true);
test = XMLUnit.buildTestDocument("<!DOCTYPE root SYSTEM '" + rosesDTD + "'>"
+ "<root><leaf/></root>").getDoctype();
assertDifferentDocumentTypes(control, test, DOCTYPE_PUBLIC_ID, true);
test = XMLUnit.buildTestDocument("<!DOCTYPE root PUBLIC 'Stone' '" + theCrowsDTD + "'>"
+ "<root><leaf/></root>").getDoctype();
assertDifferentDocumentTypes(control, test, DOCTYPE_SYSTEM_ID, false);
test = XMLUnit.buildTestDocument("<!DOCTYPE root SYSTEM '" + theCrowsDTD + "'>"
+ "<root><leaf/></root>").getDoctype();
assertDifferentDocumentTypes(control, test, DOCTYPE_PUBLIC_ID, true);
control = XMLUnit.buildTestDocument("<!DOCTYPE root SYSTEM '" + rosesDTD + "'>"
+ "<root><leaf/></root>").getDoctype();
assertDifferentDocumentTypes(control, test, DOCTYPE_SYSTEM_ID, false);
}
private void assertDifferentAttributes(Attr control, Attr test,
Difference difference, boolean fatal) {
try {
engine.compareAttribute(control, test, listener);
if (fatal) {
fail("Expecting fatal difference!");
}
} catch (DifferenceEngine.DifferenceFoundException e) {
if (!fatal) {
fail("Expecting similarity not fatal difference!");
}
}
assertEquals(difference.getId(), listener.comparingWhat);
assertEquals(fatal, listener.different);
resetListener();
}
public void testCompareAttribute() throws Exception {
String expected = ATTR_A;
String actual = ATTR_B;
Attr control = document.createAttribute(getName());
control.setValue(expected);
Attr test = document.createAttribute(getName());
test.setValue(actual);
assertDifferentAttributes(control, test, ATTR_VALUE, true);
String doctypeDeclaration = "<!DOCTYPE manchester [" +
"<!ELEMENT sound EMPTY><!ATTLIST sound sorted (true|false) \"true\">" +
"<!ELEMENT manchester (sound)>]>";
Document controlDoc = XMLUnit.buildControlDocument(doctypeDeclaration +
"<manchester><sound sorted=\"true\"/></manchester>");
control = (Attr) controlDoc.getDocumentElement().getFirstChild()
.getAttributes().getNamedItem("sorted");
Document testDoc = XMLUnit.buildTestDocument(doctypeDeclaration +
"<manchester><sound/></manchester>");
test = (Attr) testDoc.getDocumentElement().getFirstChild()
.getAttributes().getNamedItem("sorted");
assertDifferentAttributes(control, test,
ATTR_VALUE_EXPLICITLY_SPECIFIED, false);
}
private void assertDifferentElements(Element control, Element test,
Difference difference) {
try {
engine.compareElement(control, test, listener);
} catch (DifferenceEngine.DifferenceFoundException e) {
}
assertEquals(difference.getId(), listener.comparingWhat);
assertEquals(true, listener.different);
resetListener();
}
public void testCompareElements() throws Exception {
Document document = XMLUnit.buildControlDocument(
"<down><im standing=\"alone\"/><im watching=\"you\" all=\"\"/>"
+ "<im watching=\"you all\"/><im watching=\"you sinking\"/></down>");
Element control = (Element) document.getDocumentElement();
Element test = (Element) control.getFirstChild();
assertDifferentElements(control, test, ELEMENT_TAG_NAME);
// compare im#1 to im#2
control = test;
test = (Element) control.getNextSibling();
assertDifferentElements(control, test, ELEMENT_NUM_ATTRIBUTES);
// compare im#1 to im#3
test = (Element) test.getNextSibling();
assertDifferentElements(control, test, ATTR_NAME_NOT_FOUND);
// compare im#3 to im#4
control = test;
test = (Element) control.getNextSibling();
assertDifferentElements(control, test, ATTR_VALUE);
}
public void testCompareNode() throws Exception {
Document controlDocument = XMLUnit.buildControlDocument("<root>"
+ "<!-- " + COMMENT_A + " -->"
+ "<?" + PROC_A[0] + " "+ PROC_A[1] + " ?>"
+ "<elem attr=\"" + ATTR_A + "\">" + TEXT_A + "</elem></root>");
Document testDocument = XMLUnit.buildTestDocument("<root>"
+ "<!-- " + COMMENT_B + " -->"
+ "<?" + PROC_B[0] + " "+ PROC_B[1] + " ?>"
+ "<elem attr=\"" + ATTR_B + "\">" + TEXT_B + "</elem></root>");
engine.compare(controlDocument, testDocument, listener, null);
Node control = controlDocument.getDocumentElement().getFirstChild();
Node test = testDocument.getDocumentElement().getFirstChild();
do {
resetListener();
engine.compare(control, test, listener, null);
assertEquals(true, -1 != listener.comparingWhat);
assertEquals(false, listener.nodesSkipped);
resetListener();
engine.compare(control, control, listener, null);
assertEquals(-1, listener.comparingWhat);
control = control.getNextSibling();
test = test.getNextSibling();
} while (control != null);
}
private void assertDifferentNamespaceDetails(Node control, Node test,
Difference expectedDifference, boolean fatal) {
try {
engine.compareNodeBasics(control, test, listener);
if (fatal) {
fail("Expected fatal difference");
}
} catch (DifferenceEngine.DifferenceFoundException e) {
if (!fatal) {
fail("Not expecting fatal difference!");
}
}
assertEquals(expectedDifference.getId(), listener.comparingWhat);
assertEquals(fatal, listener.different);
resetListener();
}
public void testCompareNodeBasics() throws Exception {
String namespaceA = "http://example.org/StoneRoses";
String namespaceB = "http://example.org/Stone/Roses";
String prefixA = "music";
String prefixB = "cd";
String elemName = "nowPlaying";
Element control = document.createElementNS(namespaceA,
prefixA + ':' + elemName);
engine.compareNodeBasics(control, control, listener);
Element test = document.createElementNS(namespaceB,
prefixA + ':' + elemName);
assertDifferentNamespaceDetails(control, test, NAMESPACE_URI,
true);
test = document.createElementNS(namespaceA,
prefixB + ':' + elemName);
assertDifferentNamespaceDetails(control, test,
NAMESPACE_PREFIX, false);
}
private void assertDifferentChildren(Node control, Node test,
Difference expectedDifference, boolean fatal) {
try {
engine.compareHasChildNodes(control, test, listener);
engine.compareNodeChildren(control, test, listener, DEFAULT_ELEMENT_QUALIFIER);
if (fatal) {
fail("Expected fatal difference");
}
} catch (DifferenceEngine.DifferenceFoundException e) {
if (!fatal) {
fail("Not expecting fatal difference " +
listener.comparingWhat
+ ": expected " + listener.expected
+ " but was " + listener.actual);
}
}
assertEquals(expectedDifference==null ? -1 : expectedDifference.getId(),
listener.comparingWhat);
assertEquals(fatal, listener.different);
resetListener();
}
public void testCompareNodeChildren() throws Exception {
document = XMLUnit.buildControlDocument(
"<down><im standing=\"alone\"/><im><watching/>you all</im>"
+ "<im watching=\"you\">sinking</im></down>");
// compare im #1 to itself
Node control = document.getDocumentElement().getFirstChild();
Node test = control;
assertDifferentChildren(control, control, null, false);
// compare im #1 to im #2
test = control.getNextSibling();
assertDifferentChildren(control, test, HAS_CHILD_NODES, true);
// compare im #2 to im #3
control = test;
test = control.getNextSibling();
assertDifferentChildren(control, test, CHILD_NODELIST_LENGTH,
true);
}
private void assertDifferentNodeLists(Node control, Node test,
Difference expectedDifference, boolean fatal) {
try {
engine.compareNodeList(DifferenceEngine.nodeList2List(control.getChildNodes()),
DifferenceEngine.nodeList2List(test.getChildNodes()),
control.getChildNodes().getLength(), listener, DEFAULT_ELEMENT_QUALIFIER);
if (fatal) {
fail("Expected fatal difference");
}
} catch (DifferenceEngine.DifferenceFoundException e) {
if (!fatal) {
fail("Not expecting fatal difference!");
}
}
assertEquals(expectedDifference==null ? -1 : expectedDifference.getId(),
listener.comparingWhat);
assertEquals(fatal, listener.different);
resetListener();
}
public void testCompareNodeList() throws Exception {
document = XMLUnit.buildControlDocument(
"<down><im><standing/>alone</im><im><watching/>you all</im>"
+ "<im><watching/>you sinking</im></down>");
// compare im #1 to itself
Node control = document.getDocumentElement().getFirstChild();
Node test = control;
assertDifferentNodeLists(control, test, null, false);
// compare im #1 to im #2
test = control.getNextSibling();
assertDifferentChildren(control, test, ELEMENT_TAG_NAME, true);
// compare im #2 to im #3
control = test;
test = control.getNextSibling();
assertDifferentChildren(control, test, TEXT_VALUE, true);
}
public void testCompareNodeListElements() throws Exception {
Element control = document.createElement("root");
control.appendChild(document.createElement("leafElemA"));
control.appendChild(document.createElement("leafElemB"));
Element test = document.createElement("root");
test.appendChild(document.createElement("leafElemB"));
test.appendChild(document.createElement("leafElemA"));
assertDifferentChildren(control, test, CHILD_NODELIST_SEQUENCE, false);
assertDifferentChildren(test, control, CHILD_NODELIST_SEQUENCE, false);
}
public void testCompareNodeListMixedContent() throws Exception {
Element control = document.createElement("root");
control.appendChild(document.createTextNode("text leaf"));
control.appendChild(document.createElement("leafElem"));
Element test = document.createElement("root");
test.appendChild(document.createElement("leafElem"));
test.appendChild(document.createTextNode("text leaf"));
assertDifferentChildren(control, test, CHILD_NODELIST_SEQUENCE, false);
assertDifferentChildren(test, control, CHILD_NODELIST_SEQUENCE, false);
}
public void testBasicCompare() throws Exception {
try {
engine.compare("black", "white", null, null, listener,
ATTR_NAME_NOT_FOUND);
fail("Expected difference found exception");
} catch (DifferenceEngine.DifferenceFoundException e) {
assertEquals(true, listener.different);
assertEquals(ATTR_NAME_NOT_FOUND.getId(), listener.comparingWhat);
}
resetListener();
try {
engine.compare("black", "white", null, null, listener,
NAMESPACE_PREFIX);
assertEquals(false, listener.different);
assertEquals(NAMESPACE_PREFIX.getId(), listener.comparingWhat);
} catch (Exception e) {
fail("Not expecting difference found exception");
}
}
public void testXpathLocation1() throws Exception {
String control = "<dvorak><keyboard/><composer/></dvorak>";
String test = "<qwerty><keyboard/></qwerty>";
listenToDifferences(control, test);
assertEquals("1st control xpath", "/dvorak[1]", listener.controlXpath);
assertEquals("1st test xpath", "/qwerty[1]", listener.testXpath);
}
public void testXpathLocation2() throws Exception {
String control = "<dvorak><keyboard/><composer/></dvorak>";
String test = "<qwerty><keyboard/></qwerty>";
String start = "<a>", end = "</a>";
listenToDifferences(start + control + end, start + test + end);
assertEquals("2nd control xpath", "/a[1]/dvorak[1]", listener.controlXpath);
assertEquals("2nd test xpath", "/a[1]/qwerty[1]", listener.testXpath);
}
public void testXpathLocation3() throws Exception {
String control = "<stuff><wood type=\"rough\"/></stuff>";
String test = "<stuff><wood type=\"smooth\"/></stuff>";
listenToDifferences(control, test);
assertEquals("3rd control xpath", "/stuff[1]/wood[1]/@type", listener.controlXpath);
assertEquals("3rd test xpath", "/stuff[1]/wood[1]/@type", listener.testXpath);
}
public void testXpathLocation4() throws Exception {
String control = "<stuff><glass colour=\"clear\"/><glass colour=\"green\"/></stuff>";
String test = "<stuff><glass colour=\"clear\"/><glass colour=\"blue\"/></stuff>";;
listenToDifferences(control, test);
assertEquals("4th control xpath", "/stuff[1]/glass[2]/@colour", listener.controlXpath);
assertEquals("4th test xpath", "/stuff[1]/glass[2]/@colour", listener.testXpath);
}
public void testXpathLocation5() throws Exception {
String control = "<stuff><wood>maple</wood><wood>oak</wood></stuff>";
String test = "<stuff><wood>maple</wood><wood>ash</wood></stuff>";
listenToDifferences(control, test);
assertEquals("5th control xpath", "/stuff[1]/wood[2]/text()[1]", listener.controlXpath);
assertEquals("5th test xpath", "/stuff[1]/wood[2]/text()[1]", listener.testXpath);
}
public void testXpathLocation6() throws Exception {
String control = "<stuff><list><wood/><glass/></list><item/></stuff>";
String test = "<stuff><list><wood/><glass/></list><item>description</item></stuff>";
listenToDifferences(control, test);
assertEquals("6th control xpath", "/stuff[1]/item[1]", listener.controlXpath);
assertEquals("6th test xpath", "/stuff[1]/item[1]", listener.testXpath);
}
public void testXpathLocation7() throws Exception {
String control = "<stuff><list><wood/></list></stuff>";
String test = "<stuff><list><glass/></list></stuff>";
listenToDifferences(control, test);
assertEquals("7th control xpath", "/stuff[1]/list[1]/wood[1]", listener.controlXpath);
assertEquals("7th test xpath", "/stuff[1]/list[1]/glass[1]", listener.testXpath);
}
public void testXpathLocation8() throws Exception {
String control = "<stuff><list><!--wood--></list></stuff>";
String test = "<stuff><list><!--glass--></list></stuff>";
listenToDifferences(control, test);
assertEquals("8th control xpath", "/stuff[1]/list[1]/comment()[1]", listener.controlXpath);
assertEquals("8th test xpath", "/stuff[1]/list[1]/comment()[1]", listener.testXpath);
}
public void testXpathLocation9() throws Exception {
String control = "<stuff><list/><?wood rough?><list/></stuff>";
String test = "<stuff><list/><?glass clear?><list/></stuff>";
listenToDifferences(control, test);
assertEquals("9th control xpath", "/stuff[1]/processing-instruction()[1]",
listener.controlXpath);
assertEquals("9th test xpath", "/stuff[1]/processing-instruction()[1]",
listener.testXpath);
}
public void testXpathLocation10() throws Exception {
String control = "<stuff><list/>list<![CDATA[wood]]></stuff>";
String test = "<stuff><list/>list<![CDATA[glass]]></stuff>";
listenToDifferences(control, test);
assertEquals("10th control xpath", "/stuff[1]/text()[2]",
listener.controlXpath);
assertEquals("10th test xpath", "/stuff[1]/text()[2]",
listener.testXpath);
}
public void testXpathLocation11() throws Exception {
String control = "<stuff><list><item/></list></stuff>";
String test = "<stuff><list>item text</list></stuff>";
listenToDifferences(control, test);
assertEquals("11th control xpath", "/stuff[1]/list[1]/item[1]",
listener.controlXpath);
assertEquals("11th test xpath", "/stuff[1]/list[1]/text()[1]",
listener.testXpath);
}
public void testXpathLocation12() throws Exception {
engine = new DifferenceEngine(PSEUDO_DETAILED_DIFF);
String control = "<stuff><item id=\"1\"/><item id=\"2\"/></stuff>";
String test = "<stuff><item id=\"1\"/></stuff>";
listenToDifferences(control, test);
assertEquals("12th control xpath", "/stuff[1]/item[2]",
listener.controlXpath);
assertEquals("12th test xpath", "/stuff[1]/item[1]",
listener.testXpath);
}
public void testXpathLocation13() throws Exception {
engine = new DifferenceEngine(PSEUDO_DETAILED_DIFF);
String control = "<stuff><item id=\"1\"/><item id=\"2\"/></stuff>";
String test = "<stuff><?item data?></stuff>";
listenToDifferences(control, test);
// mutiple Differences, we only see the last one, missing second element
assertEquals("item", listener.expected);
assertEquals("null", listener.actual);
assertEquals("13 difference type",
DifferenceConstants.CHILD_NODE_NOT_FOUND_ID,
listener.comparingWhat);
assertEquals("13th control xpath", "/stuff[1]/item[2]",
listener.controlXpath);
assertNull("13th test xpath", listener.testXpath);
}
public void testXpathLocation13Reversed() throws Exception {
engine = new DifferenceEngine(PSEUDO_DETAILED_DIFF);
String control = "<stuff><?item data?></stuff>";
String test = "<stuff><item id=\"1\"/><item id=\"2\"/></stuff>";
listenToDifferences(control, test);
// mutiple Differences, we only see the last one, missing second element
assertEquals("null", listener.expected);
assertEquals("item", listener.actual);
assertEquals("13 difference type",
DifferenceConstants.CHILD_NODE_NOT_FOUND_ID,
listener.comparingWhat);
assertNull("13th-r control xpath", listener.controlXpath);
assertEquals("13th-r test xpath", "/stuff[1]/item[2]",
listener.testXpath);
}
public void testMissingChildNS() throws Exception {
engine = new DifferenceEngine(PSEUDO_DETAILED_DIFF);
String control = "<stuff xmlns=\"http://example.org/\">"
+ "<item id=\"1\"/><item id=\"2\"/></stuff>";
String test = "<stuff xmlns=\"http://example.org/\"><?item data?></stuff>";
listenToDifferences(control, test);
// mutiple Differences, we only see the last one, missing second element
assertEquals("{http://example.org/}item", listener.expected);
assertEquals("null", listener.actual);
assertEquals("13 difference type",
DifferenceConstants.CHILD_NODE_NOT_FOUND_ID,
listener.comparingWhat);
assertEquals("13th control xpath", "/stuff[1]/item[2]",
listener.controlXpath);
assertNull("13th test xpath", listener.testXpath);
}
public void testXpathLocation14() throws Exception {
engine = new DifferenceEngine(PSEUDO_DETAILED_DIFF);
String control = "<stuff><thing id=\"1\"/><item id=\"2\"/></stuff>";
String test = "<stuff><item id=\"2\"/><item id=\"1\"/></stuff>";
listenToDifferences(control, test);
assertEquals("14th control xpath", "/stuff[1]/item[1]/@id",
listener.controlXpath);
assertEquals("14th test xpath", "/stuff[1]/item[2]/@id",
listener.testXpath);
}
public void testIssue1027863() throws Exception {
engine = new DifferenceEngine(PSEUDO_DETAILED_DIFF);
String control = "<stuff><item id=\"1\"><thing/></item></stuff>";
String test = "<stuff><item id=\"2\"/></stuff>";
listenToDifferences(control, test);
assertEquals("15th difference type",
DifferenceEngine.CHILD_NODE_NOT_FOUND_ID,
listener.comparingWhat);
assertEquals("15th difference control value", "thing",
listener.expected);
assertEquals("15th difference test value", "null",
listener.actual);
assertEquals("15th control xpath", "/stuff[1]/item[1]/thing[1]",
listener.controlXpath);
assertNull("15th test xpath should be null but is " + listener.testXpath,
listener.testXpath);
}
public void testNormalizeWhitespace() {
assertEquals("a b", DifferenceEngine.normalizeWhitespace("a\rb"));
assertEquals("a b", DifferenceEngine.normalizeWhitespace("a b"));
assertEquals("a b c d e f",
DifferenceEngine
.normalizeWhitespace("a\rb c\nd\te\r\n \tf"));
}
public void testAttributeSequence() throws Exception {
XMLUnit.setIgnoreAttributeOrder(false);
try {
testAttributeSequence(ATTR_SEQUENCE_ID);
} finally {
XMLUnit.setIgnoreAttributeOrder(true);
}
resetListener();
testAttributeSequence(-1);
}
private void testAttributeSequence(int expected) throws Exception {
Element control = document.createElement("foo");
Element test = document.createElement("foo");
OrderPreservingNamedNodeMap controlMap =
new OrderPreservingNamedNodeMap();
OrderPreservingNamedNodeMap testMap = new OrderPreservingNamedNodeMap();
for (int i = 0; i < 2; i++) {
int j = 1 - i;
Attr attrI = document.createAttribute("attr" + i);
attrI.setValue(String.valueOf(i));
Attr attrJ = document.createAttribute("attr" + j);
attrJ.setValue(String.valueOf(j));
control.setAttributeNode(attrI);
controlMap.add(attrI);
test.setAttributeNode(attrJ);
testMap.add(attrJ);
}
engine.compareElementAttributes(control, test, controlMap, testMap,
listener);
assertEquals(expected, listener.comparingWhat);
}
public void testAttributeSequenceNS() throws Exception {
XMLUnit.setIgnoreAttributeOrder(false);
try {
testAttributeSequenceNS(ATTR_SEQUENCE_ID);
} finally {
XMLUnit.setIgnoreAttributeOrder(true);
}
resetListener();
testAttributeSequenceNS(-1);
}
private void testAttributeSequenceNS(int expected) throws Exception {
Element control = document.createElementNS("ns", "foo");
Element test = document.createElementNS("ns", "foo");
OrderPreservingNamedNodeMap controlMap =
new OrderPreservingNamedNodeMap();
OrderPreservingNamedNodeMap testMap = new OrderPreservingNamedNodeMap();
for (int i = 0; i < 2; i++) {
int j = 1 - i;
Attr attrI = document.createAttributeNS("ns", "attr" + i);
attrI.setValue(String.valueOf(i));
Attr attrJ = document.createAttributeNS("ns", "attr" + j);
attrJ.setValue(String.valueOf(j));
control.setAttributeNode(attrI);
controlMap.add(attrI);
test.setAttributeNode(attrJ);
testMap.add(attrJ);
}
engine.compareElementAttributes(control, test, controlMap, testMap,
listener);
assertEquals(expected, listener.comparingWhat);
}
public void testExtraComment() {
testExtraComment(true);
resetListener();
XMLUnit.setIgnoreComments(true);
try {
testExtraComment(false);
} finally {
XMLUnit.setIgnoreComments(false);
}
}
private void testExtraComment(boolean expectDifference) {
Element control = document.createElement("foo");
Element test = document.createElement("foo");
Comment c = document.createComment("bar");
control.appendChild(c);
Element cChild = document.createElement("baz");
control.appendChild(cChild);
Element tChild = document.createElement("baz");
test.appendChild(tChild);
engine.compare(control, test, listener, null);
assertEquals(expectDifference, listener.different);
resetListener();
engine.compare(test, control, listener, null);
assertEquals(expectDifference, listener.different);
}
public void testCommentContent() {
testCommentContent(true);
resetListener();
XMLUnit.setIgnoreComments(true);
try {
testCommentContent(false);
} finally {
XMLUnit.setIgnoreComments(false);
}
}
private void testCommentContent(boolean expectDifference) {
Element control = document.createElement("foo");
Element test = document.createElement("foo");
Comment c = document.createComment("bar");
control.appendChild(c);
Comment c2 = document.createComment("baz");
test.appendChild(c2);
engine.compare(control, test, listener, null);
assertEquals(expectDifference, listener.different);
}
public void testMissingSchemaLocation() throws Exception {
testMissingXSIAttribute(XMLConstants
.W3C_XML_SCHEMA_INSTANCE_SCHEMA_LOCATION_ATTR,
DifferenceConstants.SCHEMA_LOCATION_ID);
}
public void testMissingNoNamespaceSchemaLocation() throws Exception {
testMissingXSIAttribute(XMLConstants
.W3C_XML_SCHEMA_INSTANCE_NO_NAMESPACE_SCHEMA_LOCATION_ATTR,
DifferenceConstants.NO_NAMESPACE_SCHEMA_LOCATION_ID);
}
private void testMissingXSIAttribute(String attrName,
int expectedDifference)
throws Exception {
Element control = document.createElement("foo");
control.setAttributeNS(XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI,
attrName, "bar");
Element test = document.createElement("foo");
engine.compare(control, test, listener, null);
assertEquals(expectedDifference, listener.comparingWhat);
resetListener();
engine.compare(test, control, listener, null);
assertEquals(expectedDifference, listener.comparingWhat);
}
public void testDifferentSchemaLocation() throws Exception {
testDifferentXSIAttribute(XMLConstants
.W3C_XML_SCHEMA_INSTANCE_SCHEMA_LOCATION_ATTR,
DifferenceConstants.SCHEMA_LOCATION_ID);
}
public void testDifferentNoNamespaceSchemaLocation() throws Exception {
testDifferentXSIAttribute(XMLConstants
.W3C_XML_SCHEMA_INSTANCE_NO_NAMESPACE_SCHEMA_LOCATION_ATTR,
DifferenceConstants.NO_NAMESPACE_SCHEMA_LOCATION_ID);
}
private void testDifferentXSIAttribute(String attrName,
int expectedDifference)
throws Exception {
Element control = document.createElement("foo");
control.setAttributeNS(XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI,
attrName, "bar");
Element test = document.createElement("foo");
test.setAttributeNS(XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI,
attrName, "baz");
engine.compare(control, test, listener, null);
assertEquals(expectedDifference, listener.comparingWhat);
}
public void testMissingAttribute() throws Exception {
Element control = document.createElement("foo");
control.setAttribute("bar", "baz");
Element test = document.createElement("foo");
test.setAttribute("baz", "bar");
engine.compare(control, test, listener, null);
assertEquals(ATTR_NAME_NOT_FOUND_ID, listener.comparingWhat);
assertEquals("bar", listener.expected);
assertEquals("null", listener.actual);
assertEquals("/foo[1]/@bar", listener.controlXpath);
assertEquals("/foo[1]", listener.testXpath);
}
public void testMissingAttributeNS() throws Exception {
Element control = document.createElement("foo");
control.setAttributeNS("http://example.org/", "bar", "baz");
Element test = document.createElement("foo");
test.setAttributeNS("http://example.org/", "baz", "bar");
engine.compare(control, test, listener, null);
assertEquals(ATTR_NAME_NOT_FOUND_ID, listener.comparingWhat);
assertEquals("{http://example.org/}bar", listener.expected);
assertEquals("null", listener.actual);
assertEquals("/foo[1]/@bar", listener.controlXpath);
assertEquals("/foo[1]", listener.testXpath);
}
public void testMatchTrackerSetViaConstructor() throws Exception {
Element control = document.createElement("foo");
Element test = document.createElement("foo");
final int[] count = new int[1];
DifferenceEngine d =
new DifferenceEngine(new SimpleComparisonController(),
new MatchTracker() {
public void matchFound(Difference d) {
count[0]++;
}
});
d.compare(control, test, listener, null);
// NODE_TYPE (not null), NODE_TYPE(Element), NAMESPACE_URI(none),
// NAMESPACE_PREFIX(none), ELEMENT_TAG_NAME(foo),
// ELEMENT_NUM_ATTRIBUTE(none), HAS_CHILD_NODES(false),
// CHILD_NODELIST_LENGTH(0)
assertEquals(8, count[0]);
}
public void testMatchTrackerSetViaSetter() throws Exception {
Element control = document.createElement("foo");
Element test = document.createElement("foo");
final int[] count = new int[1];
engine.setMatchTracker(new MatchTracker() {
public void matchFound(Difference d) {
count[0]++;
}
});
engine.compare(control, test, listener, null);
// NODE_TYPE (not null), NODE_TYPE(Element), NAMESPACE_URI(none),
// NAMESPACE_PREFIX(none), ELEMENT_TAG_NAME(foo),
// ELEMENT_NUM_ATTRIBUTE(none), HAS_CHILD_NODES(false),
// CHILD_NODELIST_LENGTH(0)
assertEquals(8, count[0]);
}
/**
* @see <a href="http://sourceforge.net/forum/forum.php?thread_id=3284504&forum_id=73274"/>
*/
public void testNamespaceAttributeDifferences() throws Exception {
String control = "<?xml version = \"1.0\" encoding = \"UTF-8\"?>"
+ "<ns0:Message xmlns:ns0 = \"http://mynamespace\">"
+ "<ns0:EventHeader>"
+ "<ns0:EventID>9999</ns0:EventID>"
+ "<ns0:MessageID>1243409665297</ns0:MessageID>"
+ "<ns0:MessageVersionID>1.0</ns0:MessageVersionID>"
+ "<ns0:EventName>TEST-EVENT</ns0:EventName>"
+ "<ns0:BWDomain>TEST</ns0:BWDomain>"
+ "<ns0:DateTimeStamp>2009-01-01T12:00:00</ns0:DateTimeStamp>"
+ "<ns0:SchemaPayloadRef>anything</ns0:SchemaPayloadRef>"
+ "<ns0:MessageURI>anything</ns0:MessageURI>"
+ "<ns0:ResendFlag>F</ns0:ResendFlag>"
+ "</ns0:EventHeader>"
+ "<ns0:EventBody>"
+ "<ns0:XMLContent>"
+ "<xyz:root xmlns:xyz=\"http://test.com/xyz\">"
+ "<xyz:test1>A</xyz:test1>"
+ "<xyz:test2>B</xyz:test2>"
+ "</xyz:root>"
+ "</ns0:XMLContent>"
+ "</ns0:EventBody>"
+ "</ns0:Message>";
String test =
"<abc:Message xmlns:abc=\"http://mynamespace\" xmlns:xyz=\"http://test.com/xyz\">"
+ "<abc:EventHeader>"
+ "<abc:EventID>9999</abc:EventID>"
+ "<abc:MessageID>1243409665297</abc:MessageID>"
+ "<abc:MessageVersionID>1.0</abc:MessageVersionID>"
+ "<abc:EventName>TEST-EVENT</abc:EventName>"
+ "<abc:BWDomain>TEST</abc:BWDomain>"
+ "<abc:DateTimeStamp>2009-01-01T12:00:00</abc:DateTimeStamp>"
+ "<abc:SchemaPayloadRef>anything</abc:SchemaPayloadRef>"
+ "<abc:MessageURI>anything</abc:MessageURI>"
+ "<abc:ResendFlag>F</abc:ResendFlag>"
+ "</abc:EventHeader>"
+ "<abc:EventBody>"
+ "<abc:XMLContent>"
+ "<xyz:root>"
+ "<xyz:test1>A</xyz:test1>"
+ "<xyz:test2>B</xyz:test2>"
+ "</xyz:root>"
+ "</abc:XMLContent>"
+ "</abc:EventBody>"
+ "</abc:Message>";
listenToDifferences(control, test);
assertFalse(listener.different);
}
/**
* XMLUnit 1.3 jumps from the document node straight to the root
* element, ignoring any other children the document might have.
* Some people consider this a bug (Issue 2770386) others rely on
* it.
*
* <p>XMLUnit 2.x doesn't ignore differences in the prelude but we
* want to keep the behavior for the legacy code base.</p>
*/
public void testIgnoresDifferencesBetweenDocAndRootElement()
throws Throwable {
String control =
"<?xml version = \"1.0\" encoding = \"UTF-8\"?>"
+ "<!-- some comment -->"
+ "<?foo some PI ?>"
+ "<bar/>";
String test = "<bar/>";
listenToDifferences(control, test);
assertFalse("unexpected difference: " + listener.comparingWhat,
listener.different);
resetListener();
control =
"<?xml version = \"1.0\" encoding = \"UTF-8\"?>"
+ "<!-- some comment -->"
+ "<?foo some PI ?>"
+ "<bar/>";
test =
"<?xml version = \"1.0\" encoding = \"UTF-8\"?>"
+ "<?foo some other PI ?>"
+ "<!-- some other comment -->"
+ "<bar/>";
listenToDifferences(control, test);
assertFalse("unexpected difference: " + listener.comparingWhat,
listener.different);
}
public void testDoctypeDifferences() throws Exception {
String control = "<?xml version = \"1.0\" encoding = \"UTF-8\"?>"
+ "<!DOCTYPE Book PUBLIC \"XMLUNIT/TEST/PUB1\" \"../test-resources/Book.dtd\">"
+ "<Book/>";
String test = "<?xml version = \"1.0\" encoding = \"UTF-8\"?>"
+ "<!DOCTYPE Book PUBLIC \"XMLUNIT/TEST/PUB2\" \"../test-resources/Book.dtd\">"
+ "<Book/>";
listenToDifferences(control, test);
assertTrue(listener.different);
}
public void testTextAndCDATA() throws Exception {
String control = "<stuff><![CDATA[foo]]></stuff>";
String test = "<stuff>foo</stuff>";
listenToDifferences(control, test);
assertTrue(listener.different);
assertEquals("textAndCdata control xpath", "/stuff[1]/text()[1]",
listener.controlXpath);
assertEquals("textAndCdata test xpath", "/stuff[1]/text()[1]",
listener.testXpath);
}
public void testIgnoreDiffBetweenTextAndCDATA() throws Exception {
String control = "<stuff><![CDATA[foo]]></stuff>";
String test = "<stuff>foo</stuff>";
try {
XMLUnit.setIgnoreDiffBetweenTextAndCDATA(true);
listenToDifferences(control, test);
assertFalse(listener.different);
} finally {
XMLUnit.setIgnoreDiffBetweenTextAndCDATA(false);
}
}
private void listenToDifferences(String control, String test)
throws SAXException, IOException {
Document controlDoc = XMLUnit.buildControlDocument(control);
Document testDoc = XMLUnit.buildTestDocument(test);
engine.compare(controlDoc, testDoc, listener, DEFAULT_ELEMENT_QUALIFIER);
}
private void resetListener() {
listener = new CollectingDifferenceListener();
}
public void setUp() throws Exception {
resetListener();
engine = new DifferenceEngine(PSEUDO_DIFF);
DocumentBuilder documentBuilder = XMLUnit.newControlParser();
document = documentBuilder.newDocument();
}
private class SimpleComparisonController implements ComparisonController {
public boolean haltComparison(Difference afterDifference) {
return !afterDifference.isRecoverable();
}
}
private class NeverHaltingComparisonController implements ComparisonController {
public boolean haltComparison(Difference afterDifference) {
return false;
}
}
private class CollectingDifferenceListener implements DifferenceListener {
public String expected;
public String actual;
public Node control;
public Node test;
public int comparingWhat = -1;
public boolean different = false;
public boolean nodesSkipped = false;
public String controlXpath;
public String testXpath;
private boolean tracing = false;
public int differenceFound(Difference difference) {
if (tracing) {
System.out.println(difference.toString());
}
assertNotNull("difference not null", difference);
assertNotNull("control node detail not null", difference.getControlNodeDetail());
assertNotNull("test node detail not null", difference.getTestNodeDetail());
this.expected = difference.getControlNodeDetail().getValue();
this.actual = difference.getTestNodeDetail().getValue();
this.control = difference.getControlNodeDetail().getNode();
this.test = difference.getTestNodeDetail().getNode();
this.comparingWhat = difference.getId();
this.different = !difference.isRecoverable();
this.controlXpath = difference.getControlNodeDetail().getXpathLocation();
this.testXpath = difference.getTestNodeDetail().getXpathLocation();
return RETURN_ACCEPT_DIFFERENCE;
}
public void skippedComparison(Node control, Node test) {
nodesSkipped = true;
}
public void setTrace(boolean active) {
tracing = active;
}
}
private class OrderPreservingNamedNodeMap implements NamedNodeMap {
private List<Attr> nodes = new ArrayList<Attr>();
void add(Attr attr) {
nodes.add(attr);
}
public int getLength() { return nodes.size(); }
public Node item(int index) { return nodes.get(index); }
public Node getNamedItem(String name) {
for (Attr a : nodes) {
if (a.getName().equals(name)) {
return a;
}
}
return null;
}
public Node getNamedItemNS(String ns, String localName) {
for (Attr a : nodes) {
if (a.getLocalName().equals(localName)
&& a.getNamespaceURI().equals(ns)) {
return a;
}
}
return null;
}
// not implemented, not needed in our case
public Node removeNamedItem(String n) {
return fail();
}
public Node removeNamedItemNS(String n1, String n2) {
return fail();
}
public Node setNamedItem(Node n) {
return fail();
}
public Node setNamedItemNS(Node n) {
return fail();
}
private Node fail() {
throw new RuntimeException("not implemented");
}
}
}