package junit.textui; import java.io.PrintStream; import java.text.NumberFormat; import java.util.Enumeration; import junit.framework.AssertionFailedError; import junit.framework.Test; import junit.framework.TestFailure; import junit.framework.TestListener; import junit.framework.TestResult; import junit.runner.BaseTestRunner; public class ResultPrinter implements TestListener { PrintStream fWriter; int fColumn= 0; public ResultPrinter(PrintStream writer) { fWriter= writer; } /* API for use by textui.TestRunner */ synchronized void print(TestResult result, long runTime) { printHeader(runTime); printErrors(result); printFailures(result); printFooter(result); } void printWaitPrompt() { getWriter().println(); getWriter().println("<RETURN> to continue"); } /* Internal methods */ protected void printHeader(long runTime) { getWriter().println(); getWriter().println("Time: "+elapsedTimeAsString(runTime)); } protected void printErrors(TestResult result) { printDefects(result.errors(), result.errorCount(), "error"); } protected void printFailures(TestResult result) { printDefects(result.failures(), result.failureCount(), "failure"); } protected void printDefects(Enumeration booBoos, int count, String type) { if (count == 0) return; if (count == 1) getWriter().println("There was " + count + " " + type + ":"); else getWriter().println("There were " + count + " " + type + "s:"); for (int i= 1; booBoos.hasMoreElements(); i++) { printDefect((TestFailure) booBoos.nextElement(), i); } } public void printDefect(TestFailure booBoo, int count) { // only public for testing purposes printDefectHeader(booBoo, count); printDefectTrace(booBoo); } protected void printDefectHeader(TestFailure booBoo, int count) { // I feel like making this a println, then adding a line giving the throwable a chance to print something // before we get to the stack trace. getWriter().print(count + ") " + booBoo.failedTest()); } protected void printDefectTrace(TestFailure booBoo) { getWriter().print(BaseTestRunner.getFilteredTrace(booBoo.trace())); } protected void printFooter(TestResult result) { if (result.wasSuccessful()) { getWriter().println(); getWriter().print("OK"); getWriter().println (" (" + result.runCount() + " test" + (result.runCount() == 1 ? "": "s") + ")"); } else { getWriter().println(); getWriter().println("FAILURES!!!"); getWriter().println("Tests run: "+result.runCount()+ ", Failures: "+result.failureCount()+ ", Errors: "+result.errorCount()); } getWriter().println(); } /** * Returns the formatted string of the elapsed time. * Duplicated from BaseTestRunner. Fix it. */ protected String elapsedTimeAsString(long runTime) { return NumberFormat.getInstance().format((double)runTime/1000); } public PrintStream getWriter() { return fWriter; } /** * @see junit.framework.TestListener#addError(Test, Throwable) */ public void addError(Test test, Throwable t) { getWriter().print("E"); } /** * @see junit.framework.TestListener#addFailure(Test, AssertionFailedError) */ public void addFailure(Test test, AssertionFailedError t) { getWriter().print("F"); } /** * @see junit.framework.TestListener#endTest(Test) */ public void endTest(Test test) { } /** * @see junit.framework.TestListener#startTest(Test) */ public void startTest(Test test) { getWriter().print("."); if (fColumn++ >= 40) { getWriter().println(); fColumn= 0; } } }