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package junit.textui;
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import java.io.PrintStream;
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import junit.framework.Test;
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import junit.framework.TestCase;
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import junit.framework.TestResult;
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import junit.framework.TestSuite;
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import junit.runner.BaseTestRunner;
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import junit.runner.Version;
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/**
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* A command line based tool to run tests.
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* <pre>
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* java junit.textui.TestRunner [-wait] TestCaseClass
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* </pre>
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*
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* <p>TestRunner expects the name of a TestCase class as argument.
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* If this class defines a static <code>suite</code> method it
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* will be invoked and the returned test is run. Otherwise all
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* the methods starting with "test" having no arguments are run.</p>
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*
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* <p> When the wait command line argument is given TestRunner
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* waits until the users types RETURN.</p>
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*
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* <p>TestRunner prints a trace as the tests are executed followed by a
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* summary at the end.</p>
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*/
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public class TestRunner extends BaseTestRunner {
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private ResultPrinter fPrinter;
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public static final int SUCCESS_EXIT= 0;
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public static final int FAILURE_EXIT= 1;
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public static final int EXCEPTION_EXIT= 2;
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/**
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* Constructs a TestRunner.
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*/
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public TestRunner() {
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this(System.out);
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}
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/**
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* Constructs a TestRunner using the given stream for all the output
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*/
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public TestRunner(PrintStream writer) {
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this(new ResultPrinter(writer));
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}
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/**
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* Constructs a TestRunner using the given ResultPrinter all the output
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*/
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public TestRunner(ResultPrinter printer) {
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fPrinter= printer;
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}
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/**
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* Runs a suite extracted from a TestCase subclass.
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*/
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static public void run(Class<? extends TestCase> testClass) {
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run(new TestSuite(testClass));
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}
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/**
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* Runs a single test and collects its results.
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* This method can be used to start a test run
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* from your program.
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* <pre>
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* public static void main (String[] args) {
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* test.textui.TestRunner.run(suite());
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* }
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* </pre>
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*/
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static public TestResult run(Test test) {
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TestRunner runner= new TestRunner();
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return runner.doRun(test);
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}
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/**
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* Runs a single test and waits until the user
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* types RETURN.
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*/
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static public void runAndWait(Test suite) {
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TestRunner aTestRunner= new TestRunner();
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aTestRunner.doRun(suite, true);
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}
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@Override
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public void testFailed(int status, Test test, Throwable t) {
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}
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@Override
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public void testStarted(String testName) {
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}
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@Override
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public void testEnded(String testName) {
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}
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/**
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* Creates the TestResult to be used for the test run.
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*/
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protected TestResult createTestResult() {
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return new TestResult();
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}
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public TestResult doRun(Test test) {
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return doRun(test, false);
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}
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public TestResult doRun(Test suite, boolean wait) {
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TestResult result= createTestResult();
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result.addListener(fPrinter);
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long startTime= System.currentTimeMillis();
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suite.run(result);
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long endTime= System.currentTimeMillis();
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long runTime= endTime-startTime;
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fPrinter.print(result, runTime);
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pause(wait);
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return result;
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}
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protected void pause(boolean wait) {
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if (!wait) return;
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fPrinter.printWaitPrompt();
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try {
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System.in.read();
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}
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catch(Exception e) {
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}
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}
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public static void main(String args[]) {
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TestRunner aTestRunner= new TestRunner();
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try {
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TestResult r= aTestRunner.start(args);
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if (!r.wasSuccessful())
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System.exit(FAILURE_EXIT);
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System.exit(SUCCESS_EXIT);
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} catch(Exception e) {
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System.err.println(e.getMessage());
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System.exit(EXCEPTION_EXIT);
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}
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}
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/**
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* Starts a test run. Analyzes the command line arguments and runs the given
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* test suite.
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*/
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public TestResult start(String args[]) throws Exception {
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String testCase= "";
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String method= "";
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boolean wait= false;
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for (int i= 0; i < args.length; i++) {
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if (args[i].equals("-wait"))
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wait= true;
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else if (args[i].equals("-c"))
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testCase= extractClassName(args[++i]);
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else if (args[i].equals("-m")) {
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String arg= args[++i];
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int lastIndex= arg.lastIndexOf('.');
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testCase= arg.substring(0, lastIndex);
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method= arg.substring(lastIndex + 1);
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} else if (args[i].equals("-v"))
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System.err.println("JUnit " + Version.id() + " by Kent Beck and Erich Gamma");
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else
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testCase= args[i];
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}
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if (testCase.equals(""))
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throw new Exception("Usage: TestRunner [-wait] testCaseName, where name is the name of the TestCase class");
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try {
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if (!method.equals(""))
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return runSingleMethod(testCase, method, wait);
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Test suite= getTest(testCase);
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return doRun(suite, wait);
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} catch (Exception e) {
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throw new Exception("Could not create and run test suite: " + e);
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}
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}
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protected TestResult runSingleMethod(String testCase, String method, boolean wait) throws Exception {
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Class<? extends TestCase> testClass= loadSuiteClass(testCase);
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Test test= TestSuite.createTest(testClass, method);
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return doRun(test, wait);
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}
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@Override
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protected void runFailed(String message) {
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System.err.println(message);
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System.exit(FAILURE_EXIT);
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}
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public void setPrinter(ResultPrinter printer) {
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fPrinter= printer;
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}
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} |