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      1 
      2 package junit.textui;
      3 
      4 import java.io.PrintStream;
      5 // The following line was removed for compatibility with Android libraries.
      6 //import java.text.NumberFormat;
      7 import java.util.Enumeration;
      8 
      9 import junit.framework.AssertionFailedError;
     10 import junit.framework.Test;
     11 import junit.framework.TestFailure;
     12 import junit.framework.TestListener;
     13 import junit.framework.TestResult;
     14 import junit.runner.BaseTestRunner;
     15 
     16 public class ResultPrinter implements TestListener {
     17 	PrintStream fWriter;
     18 	int fColumn= 0;
     19 
     20 	public ResultPrinter(PrintStream writer) {
     21 		fWriter= writer;
     22 	}
     23 
     24 	/* API for use by textui.TestRunner
     25 	 */
     26 
     27 	synchronized void print(TestResult result, long runTime) {
     28 		printHeader(runTime);
     29 	    printErrors(result);
     30 	    printFailures(result);
     31 	    printFooter(result);
     32 	}
     33 
     34 	void printWaitPrompt() {
     35 		getWriter().println();
     36 		getWriter().println("<RETURN> to continue");
     37 	}
     38 
     39 	/* Internal methods
     40 	 */
     41 
     42 	protected void printHeader(long runTime) {
     43 		getWriter().println();
     44 		getWriter().println("Time: "+elapsedTimeAsString(runTime));
     45 	}
     46 
     47 	protected void printErrors(TestResult result) {
     48 		printDefects(result.errors(), result.errorCount(), "error");
     49 	}
     50 
     51 	protected void printFailures(TestResult result) {
     52 		printDefects(result.failures(), result.failureCount(), "failure");
     53 	}
     54 
     55 	protected void printDefects(Enumeration booBoos, int count, String type) {
     56 		if (count == 0) return;
     57 		if (count == 1)
     58 			getWriter().println("There was " + count + " " + type + ":");
     59 		else
     60 			getWriter().println("There were " + count + " " + type + "s:");
     61 		for (int i= 1; booBoos.hasMoreElements(); i++) {
     62 			printDefect((TestFailure) booBoos.nextElement(), i);
     63 		}
     64 	}
     65 
     66 	public void printDefect(TestFailure booBoo, int count) { // only public for testing purposes
     67 		printDefectHeader(booBoo, count);
     68 		printDefectTrace(booBoo);
     69 	}
     70 
     71 	protected void printDefectHeader(TestFailure booBoo, int count) {
     72 		// I feel like making this a println, then adding a line giving the throwable a chance to print something
     73 		// before we get to the stack trace.
     74 		getWriter().print(count + ") " + booBoo.failedTest());
     75 	}
     76 
     77 	protected void printDefectTrace(TestFailure booBoo) {
     78 		getWriter().print(BaseTestRunner.getFilteredTrace(booBoo.trace()));
     79 	}
     80 
     81 	protected void printFooter(TestResult result) {
     82 		if (result.wasSuccessful()) {
     83 			getWriter().println();
     84 			getWriter().print("OK");
     85 			getWriter().println (" (" + result.runCount() + " test" + (result.runCount() == 1 ? "": "s") + ")");
     86 
     87 		} else {
     88 			getWriter().println();
     89 			getWriter().println("FAILURES!!!");
     90 			getWriter().println("Tests run: "+result.runCount()+
     91 				         ",  Failures: "+result.failureCount()+
     92 				         ",  Errors: "+result.errorCount());
     93 		}
     94 	    getWriter().println();
     95 	}
     96 
     97 
     98 	/**
     99 	 * Returns the formatted string of the elapsed time.
    100 	 * Duplicated from BaseTestRunner. Fix it.
    101 	 */
    102 	protected String elapsedTimeAsString(long runTime) {
    103             // The following line was altered for compatibility with
    104             // Android libraries.
    105 	    return Double.toString((double)runTime/1000);
    106 	}
    107 
    108 	public PrintStream getWriter() {
    109 		return fWriter;
    110 	}
    111 	/**
    112 	 * @see junit.framework.TestListener#addError(Test, Throwable)
    113 	 */
    114 	public void addError(Test test, Throwable t) {
    115 		getWriter().print("E");
    116 	}
    117 
    118 	/**
    119 	 * @see junit.framework.TestListener#addFailure(Test, AssertionFailedError)
    120 	 */
    121 	public void addFailure(Test test, AssertionFailedError t) {
    122 		getWriter().print("F");
    123 	}
    124 
    125 	/**
    126 	 * @see junit.framework.TestListener#endTest(Test)
    127 	 */
    128 	public void endTest(Test test) {
    129 	}
    130 
    131 	/**
    132 	 * @see junit.framework.TestListener#startTest(Test)
    133 	 */
    134 	public void startTest(Test test) {
    135 		getWriter().print(".");
    136 		if (fColumn++ >= 40) {
    137 			getWriter().println();
    138 			fColumn= 0;
    139 		}
    140 	}
    141 
    142 }
    143