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