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// Copyright (c) 2008 Fabien DUMINY (fduminy@jnode.org)
// This file is part of Mauve.
// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// Mauve is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.runner.compare;
import gnu.testlet.runner.CheckResult;
import gnu.testlet.runner.ClassResult;
import gnu.testlet.runner.PackageResult;
import gnu.testlet.runner.Result;
import gnu.testlet.runner.RunResult;
import gnu.testlet.runner.TestResult;
import gnu.testlet.runner.XMLReportParser;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import net.sourceforge.nanoxml.XMLParseException;
/**
* Comparator of 2 {@link RunResult}s
*
* @author fabien
*
*/
public class ReportComparator {
private final RunResult result1;
private final RunResult result2;
public static void main(String[] args) throws XMLParseException, IOException {
if (args.length < 3) {
System.out.println("usage : java " + ReportComparator.class.getName() +
" <report1.xml> <report2.xml> [html|text]");
} else {
File report1 = new File(args[0]);
File report2 = new File(args[1]);
String format = args[2];
compare(report1, report2, format);
}
}
public static File compare(File report1, File report2, String format) throws XMLParseException, IOException {
XMLReportParser parser = new XMLReportParser();
RunResult result1 = parser.parse(report1);
RunResult result2 = parser.parse(report2);
ReportComparator comparator = new ReportComparator(result1, result2);
RunComparison comparison = comparator.compare();
final ComparisonWriter writer;
final String extension;
if ("text".equals(format)) {
writer = new TextComparisonWriter();
extension = "txt";
} else if ("html".equals(format)) {
writer = new HTMLComparisonWriter();
extension = "html";
} else {
extension = "txt";
writer = new TextComparisonWriter();
}
int i = 0;
File output = new File(report2.getParent(), "comp_" + i + "." + extension);
while (output.exists()) {
i++;
output = new File(report2.getParent(), "comp_" + i + "." + extension);
}
writer.write(comparison, output);
System.out.println("Comparison wrote to " + output.getAbsolutePath());
return output;
}
public ReportComparator(RunResult result1, RunResult result2) {
this.result1 = result1;
this.result2 = result2;
}
/**
* TODO handle case of added/removed package/class/test/check results ?
*
* @return
*/
public RunComparison compare() {
RunComparison cr = new RunComparison(result1, result2);
addSystemProperties(cr);
for (Iterator itPackage1 = result1.getPackageIterator(); itPackage1.hasNext(); ) {
PackageResult pkg1 = (PackageResult) itPackage1.next();
PackageResult pkg2 = (PackageResult) getResult(pkg1, result2.getPackageIterator());
if (pkg2 == null) {
continue;
}
for (Iterator itClass1 = pkg1.getClassIterator(); itClass1.hasNext(); ) {
ClassResult cls1 = (ClassResult) itClass1.next();
ClassResult cls2 = (ClassResult) getResult(cls1, pkg2.getClassIterator());
if (cls2 == null) {
continue;
}
for (Iterator itTest1 = cls1.getTestIterator(); itTest1.hasNext(); ) {
TestResult test1 = (TestResult) itTest1.next();
TestResult test2 = (TestResult) getResult(test1, cls2.getTestIterator());
compare(test1, pkg2, cls2, test2, cr);
}
}
}
return cr;
}
private void addSystemProperties(RunComparison runComparison) {
List names1 = Arrays.asList(result1.getSystemPropertyNames());
for (int i = 0; i < names1.size(); i++) {
String name = (String) names1.get(i);
runComparison.addSystemProperty(name, result1.getSystemProperty(name),
result2.getSystemProperty(name));
}
String[] names2 = result2.getSystemPropertyNames();
for (int i = 0; i < names2.length; i++) {
String name = names2[i];
if (!names1.contains(name)) {
runComparison.addSystemProperty(name, result1.getSystemProperty(name),
result2.getSystemProperty(name));
}
}
}
private void compare(TestResult test1, PackageResult pkg2, ClassResult cls2, TestResult test2,
RunComparison cr) {
if ((test2 == null) || (test1.getCheckCount() != test2.getCheckCount())) {
return;
}
List reachedCheckResults1 = getReachedCheckResults(test1);
List reachedCheckResults2 = getReachedCheckResults(test2);
final int size1 = reachedCheckResults1.size();
final int size2 = reachedCheckResults2.size();
CheckResult check2 = null;
if (!reachedCheckResults2.isEmpty()) {
check2 = (CheckResult) reachedCheckResults2.get(reachedCheckResults2.size() - 1);
}
cr.setProgression(pkg2, cls2, test2, check2, size2 - size1);
}
private List getReachedCheckResults(TestResult test) {
List checkResults = new ArrayList();
for (Iterator itCheck = test.getCheckIterator(); itCheck.hasNext(); ) {
CheckResult check = (CheckResult) itCheck.next();
if (!check.getPassed()) {
break;
}
checkResults.add(check);
}
return checkResults;
}
private Result getResult(Result result1, Iterator results2) {
final String name1 = result1.getName();
Result result2 = null;
while (results2.hasNext()) {
Result res2 = (Result) results2.next();
if (name1.equals(res2.getName())) {
result2 = res2;
break;
}
}
return result2;
}
}
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