test_DetailedDiff.java
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package org.custommonkey.xmlunit;
import java.io.File;
import java.io.FileReader;
import java.io.Reader;
import java.util.List;
import javax.xml.transform.dom.DOMSource;
import org.custommonkey.xmlunit.examples.MultiLevelElementNameAndTextQualifier;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
/**
* Test a DetailedDiff. Extend the test case class for Diff so we can rerun those
* tests with a DetailedDiff and assert that behaviour has not changed.
*/
public class test_DetailedDiff extends test_Diff {
private String firstForecast, secondForecast;
public void testAllDifferencesFirstForecastControl() throws Exception {
Diff multipleDifferences = new Diff(firstForecast, secondForecast);
DetailedDiff detailedDiff = new DetailedDiff(multipleDifferences);
List<Difference> differences = detailedDiff.getAllDifferences();
assertExpectedDifferencesFirstForecastControl(differences, detailedDiff);
}
private void assertExpectedDifferencesFirstForecastControl(List<Difference> differences,
DetailedDiff detailedDiff) {
assertEquals("size: " + detailedDiff, 6, differences.size());
assertEquals("first: " + detailedDiff,
DifferenceConstants.HAS_CHILD_NODES, differences.get(0));
assertEquals("second: " + detailedDiff,
DifferenceConstants.CHILD_NODELIST_LENGTH, differences.get(1));
assertEquals("third: " + detailedDiff,
DifferenceConstants.ELEMENT_NUM_ATTRIBUTES, differences.get(2));
assertEquals("forth: " + detailedDiff,
DifferenceConstants.ATTR_NAME_NOT_FOUND, differences.get(3));
assertEquals("fifth: " + detailedDiff,
DifferenceConstants.ATTR_VALUE, differences.get(4));
assertEquals("sixth: " + detailedDiff,
DifferenceConstants.CHILD_NODE_NOT_FOUND, differences.get(5));
}
public void testAllDifferencesSecondForecastControl() throws Exception {
Diff multipleDifferences = new Diff(secondForecast, firstForecast);
DetailedDiff detailedDiff = new DetailedDiff(multipleDifferences);
List<Difference> differences = detailedDiff.getAllDifferences();
assertEquals("size: " + detailedDiff, 6, differences.size());
assertEquals("first: " + detailedDiff,
DifferenceConstants.HAS_CHILD_NODES, differences.get(0));
assertEquals("second: " + detailedDiff,
DifferenceConstants.CHILD_NODELIST_LENGTH, differences.get(1));
assertEquals("third: " + detailedDiff,
DifferenceConstants.ELEMENT_NUM_ATTRIBUTES, differences.get(2));
assertEquals("forth: " + detailedDiff,
DifferenceConstants.ATTR_VALUE, differences.get(3));
assertEquals("fifth: " + detailedDiff,
DifferenceConstants.ATTR_NAME_NOT_FOUND,
differences.get(4));
assertEquals("sixth: " + detailedDiff,
DifferenceConstants.CHILD_NODE_NOT_FOUND, differences.get(5));
}
public void testPrototypeIsADetailedDiff() throws Exception {
Diff multipleDifferences = new Diff(firstForecast, secondForecast);
DetailedDiff detailedDiff = new DetailedDiff(
new DetailedDiff(multipleDifferences));
List<Difference> differences = detailedDiff.getAllDifferences();
assertExpectedDifferencesFirstForecastControl(differences, detailedDiff);
}
public void testLargeFiles() throws Exception {
int i = 0;
String expr = null;
File test, control;
control = new File(test_Constants.TEST_RESOURCE_DIR + "controlDetail.xml");
test = new File(test_Constants.TEST_RESOURCE_DIR + "testDetail.xml");
try {
XMLUnit.setIgnoreWhitespace(true);
Diff prototype =
new Diff(new FileReader(control), new FileReader(test));
DetailedDiff detailedDiff = new DetailedDiff(prototype);
List<Difference> differences = detailedDiff.getAllDifferences();
SimpleXpathEngine xpathEngine = new SimpleXpathEngine();
Document controlDoc =
XMLUnit.buildControlDocument(
new InputSource(new FileReader(control)));
Document testDoc =
XMLUnit.buildTestDocument(
new InputSource(new FileReader(test)));
String value;
for (Difference aDifference : differences) {
if (aDifference.equals(DifferenceConstants.ATTR_VALUE)
|| aDifference.equals(DifferenceConstants.CDATA_VALUE)
|| aDifference.equals(DifferenceConstants.COMMENT_VALUE)
|| aDifference.equals(DifferenceConstants.ELEMENT_TAG_NAME)
|| aDifference.equals(DifferenceConstants.TEXT_VALUE)) {
expr = aDifference.getControlNodeDetail().getXpathLocation();
if (expr==null || expr.length()==0) {
System.out.println(aDifference);
} else {
value = xpathEngine.evaluate(expr, controlDoc);
assertEquals(i + " control " + aDifference.toString(),
value, aDifference.getControlNodeDetail().getValue());
}
expr = aDifference.getTestNodeDetail().getXpathLocation();
if (expr == null || expr.length()==0) {
System.out.println(aDifference);
} else {
value = xpathEngine.evaluate(expr, testDoc);
assertEquals(i + " test " + aDifference.toString(),
value, aDifference.getTestNodeDetail().getValue());
}
}
++i;
}
} catch (Exception e) {
System.out.println("eek@" + i + ":" + expr);
throw e;
} finally {
XMLUnit.setIgnoreWhitespace(false);
}
}
public void testSeeAllDifferencesEvenIfDiffWouldSayHaltComparison() throws Exception {
String control = "<a><b/><c/></a>";
String test = "<a><c/></a>";
Diff d = new Diff(control, test);
DetailedDiff dd = new DetailedDiff(d);
List<Difference> l = dd.getAllDifferences();
// number of children is different, didn't find <b/>, wrong
// sequence of nodes
assertEquals(3, l.size());
}
public void testSeeAllDifferencesEvenIfDiffSaysHaltComparison() throws Exception {
String control = "<a><b/><c/></a>";
String test = "<a><c/></a>";
Diff d = new Diff(control, test);
d.similar();
DetailedDiff dd = new DetailedDiff(d);
List<Difference> l = dd.getAllDifferences();
// number of children is different, didn't find <b/>, wrong
// sequence of nodes
assertEquals(3, l.size());
}
/**
* @see <a href="http://sourceforge.net/forum/forum.php?thread_id=1691528&forum_id=73274"/>
*/
public void testHelpForumThread1691528() throws Exception {
String control = "<table border=\"1\">"
+ "<tr>"
+ "<th>News</th>"
+ "</tr>"
+ "<tr>"
+ "<td>Newsitem 1</td>"
+ "</tr>"
+ "</table>";
String test = "<table border=\"1\">"
+ "<tr>"
+ "<th>News</th>"
+ "</tr>"
+ "<tr>"
+ "<td>Newsitem 2</td>"
+ "<td>Newsitem 1</td>"
+ "</tr>"
+ "</table>";
DetailedDiff diff = new DetailedDiff(new Diff(control, test));
List<Difference> changes = diff.getAllDifferences();
// number of children, text of first child, unexpected second
// test child
assertEquals(3, changes.size());
}
/**
* Bug 1860681
* @see <a href="https://sourceforge.net/tracker/index.php?func=detail&aid=1860681&group_id=23187&atid=377768"/>
*/
public void testXpathOfMissingNode() throws Exception {
String control =
"<books>"
+ " <book>"
+ " <title>Kabale und Liebe</title>"
+ " </book>"
+ " <book>"
+ " <title>Schuld und Suehne</title>"
+ " </book>"
+ "</books>";
String test =
"<books>"
+ " <book>"
+ " <title>Schuld und Suehne</title>"
+ " </book>"
+ "</books>";
XMLUnit.setIgnoreWhitespace(true);
try {
Diff diff = new Diff(control, test);
diff.overrideElementQualifier(new MultiLevelElementNameAndTextQualifier(2));
DetailedDiff dd = new DetailedDiff(diff);
List<Difference> l = dd.getAllDifferences();
assertEquals(3, l.size());
// (0) number of children, (1) order different, (2) node not found
Difference d = l.get(2);
assertEquals(DifferenceConstants.CHILD_NODE_NOT_FOUND_ID,
d.getId());
assertEquals("/books[1]/book[1]",
d.getControlNodeDetail().getXpathLocation());
assertNull("should be null but is "
+ d.getTestNodeDetail().getXpathLocation(),
d.getTestNodeDetail().getXpathLocation());
// and reverse
diff = new Diff(test, control);
diff.overrideElementQualifier(new MultiLevelElementNameAndTextQualifier(2));
dd = new DetailedDiff(diff);
l = dd.getAllDifferences();
assertEquals(3, l.size());
// (0) number of children, (1) order different, (2) node not found
d = l.get(2);
assertEquals(DifferenceConstants.CHILD_NODE_NOT_FOUND_ID,
d.getId());
assertEquals("/books[1]/book[1]",
d.getTestNodeDetail().getXpathLocation());
assertNull(d.getControlNodeDetail().getXpathLocation());
} finally {
XMLUnit.setIgnoreWhitespace(false);
}
}
protected Diff buildDiff(Document control, Document test) {
return new DetailedDiff(super.buildDiff(control, test));
}
protected Diff buildDiff(String control, String test) throws Exception {
return new DetailedDiff(super.buildDiff(control, test));
}
protected Diff buildDiff(Reader control, Reader test) throws Exception {
return new DetailedDiff(super.buildDiff(control, test));
}
protected Diff buildDiff(String control, String test,
DifferenceEngineContract engine) throws Exception {
return new DetailedDiff(super.buildDiff(control, test, engine));
}
protected Diff buildDiff(DOMSource control, DOMSource test) {
return new DetailedDiff(super.buildDiff(control, test));
}
public test_DetailedDiff(String name) {
super(name);
firstForecast = "<weather><today icon=\"clouds\" temp=\"17\">"
+ "<outlook>unsettled</outlook></today></weather>";
secondForecast = "<weather><today temp=\"20\"/></weather>";
}
/**
* https://sourceforge.net/tracker/?func=detail&aid=2758280&group_id=23187&atid=377768
*/
public void testCompareUnmatched() throws Exception {
String control = "<root><a>1</a>"
+ "<b>1</b>"
+ "<c>1</c>"
+ "<d>1</d>"
+ "<e>1</e></root>";
String test = "<root><a>1</a>"
+ "<b>1</b>"
+ "<z>1</z>"
+ "<d>1</d>"
+ "<e>1</e></root>";
DetailedDiff d = (DetailedDiff) buildDiff(control, test);
List<Difference> l = d.getAllDifferences();
assertEquals(1, l.size());
Difference diff = l.get(0);
assertEquals(DifferenceConstants.ELEMENT_TAG_NAME_ID, diff.getId());
}
/**
* https://sourceforge.net/tracker/?func=detail&aid=2758280&group_id=23187&atid=377768
*/
public void testDontCompareUnmatched() throws Exception {
String control = "<root><a>1</a>"
+ "<b>1</b>"
+ "<c>1</c>"
+ "<d>1</d>"
+ "<e>1</e></root>";
String test = "<root><a>1</a>"
+ "<b>1</b>"
+ "<z>1</z>"
+ "<d>1</d>"
+ "<e>1</e></root>";
try {
XMLUnit.setCompareUnmatched(false);
DetailedDiff d = (DetailedDiff) buildDiff(control, test);
List<Difference> l = d.getAllDifferences();
assertEquals(2, l.size());
Difference diff = l.get(0);
assertEquals(DifferenceConstants.CHILD_NODE_NOT_FOUND_ID,
diff.getId());
assertNotNull(diff.getControlNodeDetail().getNode());
assertNull(diff.getTestNodeDetail().getNode());
diff = l.get(1);
assertEquals(DifferenceConstants.CHILD_NODE_NOT_FOUND_ID,
diff.getId());
assertNull(diff.getControlNodeDetail().getNode());
assertNotNull(diff.getTestNodeDetail().getNode());
} finally {
XMLUnit.setCompareUnmatched(true);
}
}
/**
* @see <a href="https://sourceforge.net/tracker/index.php?func=detail&aid=3062518&group_id=23187&atid=377768"/>
*/
public void testIssue3062518() throws Exception {
String control = "<Fruits>"
+ "<Apple size=\"11\" color=\"green\"/>"
+ "<Apple size=\"15\" color=\"green\"/>"
+ "<Banana size=\"10\"/>"
+ "</Fruits>";
String test = "<Fruits>"
+ "<Apple size=\"11\" color=\"green\"/>"
+ "<Banana size=\"11\"/>"
+ "</Fruits>";
try {
XMLUnit.setCompareUnmatched(false);
DetailedDiff d = (DetailedDiff) buildDiff(control, test);
List<Difference> l = d.getAllDifferences();
assertEquals(4, l.size());
// expected 3 children is 2
Difference diff = l.get(0);
assertEquals(DifferenceConstants.CHILD_NODELIST_LENGTH_ID,
diff.getId());
assertEquals("3", diff.getControlNodeDetail().getValue());
assertEquals("2", diff.getTestNodeDetail().getValue());
assertEquals("/Fruits[1]",
diff.getControlNodeDetail().getXpathLocation());
assertEquals("/Fruits[1]",
diff.getTestNodeDetail().getXpathLocation());
// Banana is the third child in control but the second one in test
diff = l.get(1);
assertEquals("2", diff.getControlNodeDetail().getValue());
assertEquals("1", diff.getTestNodeDetail().getValue());
assertEquals("/Fruits[1]/Banana[1]",
diff.getControlNodeDetail().getXpathLocation());
assertEquals("/Fruits[1]/Banana[1]",
diff.getTestNodeDetail().getXpathLocation());
// Banana's size attribute doesn't match
diff = l.get(2);
assertEquals(DifferenceConstants.ATTR_VALUE_ID,
diff.getId());
assertEquals("10", diff.getControlNodeDetail().getValue());
assertEquals("11", diff.getTestNodeDetail().getValue());
assertEquals("/Fruits[1]/Banana[1]/@size",
diff.getControlNodeDetail().getXpathLocation());
assertEquals("/Fruits[1]/Banana[1]/@size",
diff.getTestNodeDetail().getXpathLocation());
// didn't find the second Apple element
diff = l.get(3);
assertEquals(DifferenceConstants.CHILD_NODE_NOT_FOUND_ID,
diff.getId());
assertEquals("Apple", diff.getControlNodeDetail().getValue());
assertEquals("null", diff.getTestNodeDetail().getValue());
assertEquals("/Fruits[1]/Apple[2]",
diff.getControlNodeDetail().getXpathLocation());
assertEquals(null,
diff.getTestNodeDetail().getXpathLocation());
} finally {
XMLUnit.setCompareUnmatched(true);
}
}
}