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JUnit-specific extension for AssertJ-Swing
/**
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* Copyright 2012-2015 the original author or authors.
*/
package org.assertj.swing.junit.ant;
import static org.apache.tools.ant.taskdefs.optional.junit.XMLConstants.ERROR;
import static org.apache.tools.ant.taskdefs.optional.junit.XMLConstants.FAILURE;
import static org.apache.tools.ant.taskdefs.optional.junit.XMLConstants.SYSTEM_ERR;
import static org.apache.tools.ant.taskdefs.optional.junit.XMLConstants.SYSTEM_OUT;
import static org.apache.tools.ant.taskdefs.optional.junit.XMLConstants.TESTSUITE;
import java.io.OutputStream;
import junit.framework.AssertionFailedError;
import junit.framework.Test;
import org.apache.tools.ant.taskdefs.optional.junit.JUnitResultFormatter;
import org.apache.tools.ant.taskdefs.optional.junit.JUnitTest;
import org.assertj.swing.junit.xml.XmlDocument;
import org.assertj.swing.junit.xml.XmlNode;
/**
* Understands a copy of the original XMLJUnitResultFormatter, with flexibility for extension.
*
* @author Alex Ruiz
*/
public class XmlJUnitResultFormatter implements JUnitResultFormatter {
private XmlNode xmlRoot;
private OutputStream out; // where to write the log to
private final TestCollection tests;
private final SuiteXmlNodeWriter suiteXmlNodeWriter;
private final EnvironmentXmlNodeWriter environmentXmlNodeWriter;
private final TestXmlNodeWriter testXmlNodeWriter;
private final XmlOutputWriter xmlOutputWriter;
/**
* Creates a new {@link XmlJUnitResultFormatter}.
*/
public XmlJUnitResultFormatter() {
tests = new TestCollection();
suiteXmlNodeWriter = new SuiteXmlNodeWriter();
environmentXmlNodeWriter = new EnvironmentXmlNodeWriter();
testXmlNodeWriter = new TestXmlNodeWriter();
xmlOutputWriter = new XmlOutputWriter();
}
// for testing only
final TestCollection tests() {
return tests;
}
/**
* Sets the stream the formatter is supposed to write its results to.
*
* @param out the output stream to use.
*/
@Override
public final void setOutput(OutputStream out) {
this.out = out;
}
/**
* This is what the test has written to System.out,
*
* @param out the String to write.
*/
@Override
public final void setSystemOutput(String out) {
formatOutput(SYSTEM_OUT, out);
}
/**
* This is what the test has written to System.err.
*
* @param out the String to write.
*/
@Override
public final void setSystemError(String out) {
formatOutput(SYSTEM_ERR, out);
}
private void formatOutput(String type, String output) {
xmlRoot.addNewNode(type).addCdata(output);
}
protected final XmlNode xmlRootNode() {
return xmlRoot;
}
/**
* The whole test suite started. This method starts creation of the XML report.
*
* @param suite the test suite.
* @throws ExceptionInInitializerError if the underlying XML document could not be created.
*/
@Override
public final void startTestSuite(JUnitTest suite) {
XmlDocument document = new XmlDocument();
xmlRoot = document.newRoot(TESTSUITE);
suiteXmlNodeWriter.writeSuiteName(xmlRoot, suite).writeSuiteProperties(xmlRoot, suite);
environmentXmlNodeWriter.writeHostName(xmlRoot).writeTimestamp(xmlRoot);
onStartTestSuite(suite);
}
/**
* Hook for subclasses to add extra functionality after the whole test suite started.
*
* @param suite the test suite.
*/
protected void onStartTestSuite(JUnitTest suite) {
}
/**
* The whole test suite ended. This method finishes writing the XML report and writes its contents to this formatter's
* {@link OutputStream}.
*
* @param suite the test suite.
* @throws org.apache.tools.ant.BuildException on error.
*/
@Override
public final void endTestSuite(JUnitTest suite) {
suiteXmlNodeWriter.writeSuiteStatistics(xmlRoot, suite);
if (out == null)
return;
xmlOutputWriter.write(xmlRoot, out);
}
/**
* A new test is started.
*
* @param test the test.
*/
@Override
public final void startTest(Test test) {
tests.started(test);
}
/**
* A test is finished.
*
* @param test the test.
*/
@Override
public final void endTest(Test test) {
if (!tests.wasStarted(test))
startTest(test);
XmlNode testNode = xmlNodeForFinished(test);
testXmlNodeWriter.writeTestExecutionTime(testNode, tests.startTimeOf(test));
}
private XmlNode xmlNodeForFinished(Test test) {
if (tests.wasFailed(test))
return tests.xmlNodeFor(test);
XmlNode newTestXmlNode = testXmlNodeWriter.addNewTestXmlNode(xmlRoot, test);
tests.addXmlNode(test, newTestXmlNode);
return newTestXmlNode;
}
/**
* A test failed.
*
* @param test the test.
* @param failedAssertion the failed assertion.
*/
@Override
public final void addFailure(Test test, AssertionFailedError failedAssertion) {
addFailure(test, (Throwable) failedAssertion);
}
/**
* A test failed.
*
* @param test the test.
* @param error the exception.
*/
public final void addFailure(Test test, Throwable error) {
XmlNode errorXmlNode = formatError(FAILURE, test, error);
onFailureOrError(test, error, errorXmlNode);
}
/**
* An error occurred while running the test.
*
* @param test the test.
* @param error the error.
*/
@Override
public final void addError(Test test, Throwable error) {
XmlNode errorXmlNode = formatError(ERROR, test, error);
onFailureOrError(test, error, errorXmlNode);
}
private XmlNode formatError(String type, Test test, Throwable error) {
if (test != null) {
endTest(test);
tests.failed(test);
}
XmlNode errorXmlNode = xmlForFailed(test).addNewNode(type);
writeErrorAndStackTrace(error, errorXmlNode);
return errorXmlNode;
}
private XmlNode xmlForFailed(Test test) {
if (test != null)
return tests.xmlNodeFor(test);
return xmlRoot;
}
/**
* Writes the stack trace and message of the given error to the given XML node.
*
* @param error the given error.
* @param errorXmlNode the XML node to write to.
*/
protected final void writeErrorAndStackTrace(Throwable error, XmlNode errorXmlNode) {
testXmlNodeWriter.writeErrorAndStackTrace(errorXmlNode, error);
}
/**
* Hook for subclasses to add extra functionality after a test failure or a test execution error.
*
* @param test the executing test.
* @param error the reason of the failure or error.
* @param errorXmlNode the XML element containing information about the test failure or error.
*/
protected void onFailureOrError(Test test, Throwable error, XmlNode errorXmlNode) {
}
}