Best junit code snippet using junit.framework.Interface TestListener.addFailure
Source:JUnitTestRunner.java  
...447     * <p>A Test failed.448     * @param test the test.449     * @param t    the exception thrown by the test.450     */451    public void addFailure(Test test, Throwable t) {452        String testName = JUnitVersionHelper.getTestCaseName(test);453        logTestListenerEvent("addFailure(" + testName + ", " + t.getMessage() + ")");454        if (haltOnFailure) {455            res.stop();456        }457    }458    /**459     * Interface TestListener for JUnit > 3.4.460     *461     * <p>A Test failed.462     * @param test the test.463     * @param t    the assertion thrown by the test.464     */465    public void addFailure(Test test, AssertionFailedError t) {466        addFailure(test, (Throwable) t);467    }468    /**469     * Interface TestListener.470     *471     * <p>An error occurred while running the test.472     * @param test the test.473     * @param t    the error thrown by the test.474     */475    public void addError(Test test, Throwable t) {476        String testName = JUnitVersionHelper.getTestCaseName(test);477        logTestListenerEvent("addError(" + testName + ", " + t.getMessage() + ")");478        if (haltOnError) {479            res.stop();480        }481    }482    /**483     * Permissions for the test run.484     * @since Ant 1.6485     * @param permissions the permissions to use.486     */487    public void setPermissions(Permissions permissions) {488        perm = permissions;489    }490    /**491     * Handle a string destined for standard output.492     * @param output the string to output493     */494    public void handleOutput(String output) {495        if (!logTestListenerEvents && output.startsWith(JUnitTask.TESTLISTENER_PREFIX)) {496            // ignore497        } else if (systemOut != null) {498            systemOut.print(output);499        }500    }501    /**502     * Handle input.503     * @param buffer not used.504     * @param offset not used.505     * @param length not used.506     * @return -1 always.507     * @throws IOException never.508     * @see org.apache.tools.ant.Task#handleInput(byte[], int, int)509     *510     * @since Ant 1.6511     */512    public int handleInput(byte[] buffer, int offset, int length)513        throws IOException {514        return -1;515    }516    /** {@inheritDoc}. */517    public void handleErrorOutput(String output) {518        if (systemError != null) {519            systemError.print(output);520        }521    }522    /** {@inheritDoc}. */523    public void handleFlush(String output) {524        if (systemOut != null) {525            systemOut.print(output);526        }527    }528    /** {@inheritDoc}. */529    public void handleErrorFlush(String output) {530        if (systemError != null) {531            systemError.print(output);532        }533    }534    private void sendOutAndErr(String out, String err) {535        for (int i = 0; i < formatters.size(); i++) {536            JUnitResultFormatter formatter =537                ((JUnitResultFormatter) formatters.elementAt(i));538            formatter.setSystemOutput(out);539            formatter.setSystemError(err);540        }541    }542    private void fireStartTestSuite() {543        for (int i = 0; i < formatters.size(); i++) {544            ((JUnitResultFormatter) formatters.elementAt(i))545                .startTestSuite(junitTest);546        }547    }548    private void fireEndTestSuite() {549        for (int i = 0; i < formatters.size(); i++) {550            ((JUnitResultFormatter) formatters.elementAt(i))551                .endTestSuite(junitTest);552        }553    }554    /**555     * Add a formatter.556     * @param f the formatter to add.557     */558    public void addFormatter(JUnitResultFormatter f) {559        formatters.addElement(f);560    }561    /** {@inheritDoc}. */562    public void addFormatter(JUnitTaskMirror.JUnitResultFormatterMirror f) {563        formatters.addElement((JUnitResultFormatter) f);564    }565    /**566     * Entry point for standalone (forked) mode.567     *568     * Parameters: testcaseclassname plus parameters in the format569     * key=value, none of which is required.570     *571     * <table cols="4" border="1">572     * <tr><th>key</th><th>description</th><th>default value</th></tr>573     *574     * <tr><td>haltOnError</td><td>halt test on575     * errors?</td><td>false</td></tr>576     *577     * <tr><td>haltOnFailure</td><td>halt test on578     * failures?</td><td>false</td></tr>579     *580     * <tr><td>formatter</td><td>A JUnitResultFormatter given as581     * classname,filename. If filename is ommitted, System.out is582     * assumed.</td><td>none</td></tr>583     *584     * <tr><td>showoutput</td><td>send output to System.err/.out as585     * well as to the formatters?</td><td>false</td></tr>586     *587     * <tr><td>logtestlistenerevents</td><td>log TestListener events to588     * System.out.</td><td>false</td></tr>589     *590     * </table>591     * @param args the command line arguments.592     * @throws IOException on error.593     */594    public static void main(String[] args) throws IOException {595        boolean haltError = false;596        boolean haltFail = false;597        boolean stackfilter = true;598        Properties props = new Properties();599        boolean showOut = false;600        boolean outputToFormat = true;601        boolean logTestListenerEvents = false;602        if (args.length == 0) {603            System.err.println("required argument TestClassName missing");604            System.exit(ERRORS);605        }606        if (args[0].startsWith(Constants.TESTSFILE)) {607            multipleTests = true;608            args[0] = args[0].substring(Constants.TESTSFILE.length());609        }610        for (int i = 1; i < args.length; i++) {611            if (args[i].startsWith(Constants.HALT_ON_ERROR)) {612                haltError = Project.toBoolean(args[i].substring(Constants.HALT_ON_ERROR.length()));613            } else if (args[i].startsWith(Constants.HALT_ON_FAILURE)) {614                haltFail = Project.toBoolean(args[i].substring(Constants.HALT_ON_FAILURE.length()));615            } else if (args[i].startsWith(Constants.FILTERTRACE)) {616                stackfilter = Project.toBoolean(args[i].substring(Constants.FILTERTRACE.length()));617            } else if (args[i].startsWith(Constants.CRASHFILE)) {618                crashFile = args[i].substring(Constants.CRASHFILE.length());619                registerTestCase(Constants.BEFORE_FIRST_TEST);620            } else if (args[i].startsWith(Constants.FORMATTER)) {621                try {622                    createAndStoreFormatter(args[i].substring(Constants.FORMATTER.length()));623                } catch (BuildException be) {624                    System.err.println(be.getMessage());625                    System.exit(ERRORS);626                }627            } else if (args[i].startsWith(Constants.PROPSFILE)) {628                FileInputStream in = new FileInputStream(args[i]629                                                         .substring(Constants.PROPSFILE.length()));630                props.load(in);631                in.close();632            } else if (args[i].startsWith(Constants.SHOWOUTPUT)) {633                showOut = Project.toBoolean(args[i].substring(Constants.SHOWOUTPUT.length()));634            } else if (args[i].startsWith(Constants.LOGTESTLISTENEREVENTS)) {635                logTestListenerEvents = Project.toBoolean(636                    args[i].substring(Constants.LOGTESTLISTENEREVENTS.length()));637            } else if (args[i].startsWith(Constants.OUTPUT_TO_FORMATTERS)) {638                outputToFormat = Project.toBoolean(639                    args[i].substring(Constants.OUTPUT_TO_FORMATTERS.length()));640            }641        }642        // Add/overlay system properties on the properties from the Ant project643        Hashtable p = System.getProperties();644        for (Enumeration e = p.keys(); e.hasMoreElements();) {645            Object key = e.nextElement();646            props.put(key, p.get(key));647        }648        int returnCode = SUCCESS;649        if (multipleTests) {650            try {651                java.io.BufferedReader reader =652                    new java.io.BufferedReader(new java.io.FileReader(args[0]));653                String testCaseName;654                int code = 0;655                boolean errorOccurred = false;656                boolean failureOccurred = false;657                String line = null;658                while ((line = reader.readLine()) != null) {659                    StringTokenizer st = new StringTokenizer(line, ",");660                    testCaseName = st.nextToken();661                    JUnitTest t = new JUnitTest(testCaseName);662                    t.setTodir(new File(st.nextToken()));663                    t.setOutfile(st.nextToken());664                    code = launch(t, haltError, stackfilter, haltFail,665                                  showOut, outputToFormat,666                                  logTestListenerEvents, props);667                    errorOccurred = (code == ERRORS);668                    failureOccurred = (code != SUCCESS);669                    if (errorOccurred || failureOccurred) {670                        if ((errorOccurred && haltError)671                            || (failureOccurred && haltFail)) {672                            registerNonCrash();673                            System.exit(code);674                        } else {675                            if (code > returnCode) {676                                returnCode = code;677                            }678                            System.out.println("TEST " + t.getName()679                                               + " FAILED");680                        }681                    }682                }683            } catch (IOException e) {684                e.printStackTrace();685            }686        } else {687            returnCode = launch(new JUnitTest(args[0]), haltError,688                                stackfilter, haltFail,689                                showOut, outputToFormat,690                                logTestListenerEvents, props);691        }692        registerNonCrash();693        System.exit(returnCode);694    }695    private static Vector fromCmdLine = new Vector();696    private static void transferFormatters(JUnitTestRunner runner,697                                           JUnitTest test) {698        runner.addFormatter(new JUnitResultFormatter() {699            public void startTestSuite(JUnitTest suite) throws BuildException {700            }701            public void endTestSuite(JUnitTest suite) throws BuildException {702            }703            public void setOutput(OutputStream out) {704            }705            public void setSystemOutput(String out) {706            }707            public void setSystemError(String err) {708            }709            public void addError(Test arg0, Throwable arg1) {710            }711            public void addFailure(Test arg0, AssertionFailedError arg1) {712            }713            public void endTest(Test arg0) {714            }715            public void startTest(Test arg0) {716                registerTestCase(JUnitVersionHelper.getTestCaseName(arg0));717            }718        });719        for (int i = 0; i < fromCmdLine.size(); i++) {720            FormatterElement fe = (FormatterElement) fromCmdLine.elementAt(i);721            if (multipleTests && fe.getUseFile()) {722                File destFile =723                    new File(test.getTodir(),724                             test.getOutfile() + fe.getExtension());725                fe.setOutfile(destFile);726            }727            runner.addFormatter((JUnitResultFormatter) fe.createFormatter());728        }729    }730    /**731     * Line format is: formatter=<classname>(,<pathname>)?732     */733    private static void createAndStoreFormatter(String line)734        throws BuildException {735        FormatterElement fe = new FormatterElement();736        int pos = line.indexOf(',');737        if (pos == -1) {738            fe.setClassname(line);739            fe.setUseFile(false);740        } else {741            fe.setClassname(line.substring(0, pos));742            fe.setUseFile(true);743            if (!multipleTests) {744                fe.setOutfile(new File(line.substring(pos + 1)));745            } else {746                int fName = line.indexOf(IGNORED_FILE_NAME);747                if (fName > -1) {748                    fe.setExtension(line749                                    .substring(fName750                                               + IGNORED_FILE_NAME.length()));751                }752            }753        }754        fromCmdLine.addElement(fe);755    }756    /**757     * Returns a filtered stack trace.758     * This is ripped out of junit.runner.BaseTestRunner.759     * @param t the exception to filter.760     * @return the filtered stack trace.761     */762    public static String getFilteredTrace(Throwable t) {763        String trace = StringUtils.getStackTrace(t);764        return JUnitTestRunner.filterStack(trace);765    }766    /**767     * Filters stack frames from internal JUnit and Ant classes768     * @param stack the stack trace to filter.769     * @return the filtered stack.770     */771    public static String filterStack(String stack) {772        if (!filtertrace) {773            return stack;774        }775        StringWriter sw = new StringWriter();776        PrintWriter pw = new PrintWriter(sw);777        StringReader sr = new StringReader(stack);778        BufferedReader br = new BufferedReader(sr);779        String line;780        try {781            while ((line = br.readLine()) != null) {782                if (!filterLine(line)) {783                    pw.println(line);784                }785            }786        } catch (Exception e) {787            return stack; // return the stack unfiltered788        }789        return sw.toString();790    }791    private static boolean filterLine(String line) {792        for (int i = 0; i < DEFAULT_TRACE_FILTERS.length; i++) {793            if (line.indexOf(DEFAULT_TRACE_FILTERS[i]) != -1) {794                return true;795            }796        }797        return false;798    }799    /**800     * @since Ant 1.6.2801     */802    private static int launch(JUnitTest t, boolean haltError,803                              boolean stackfilter, boolean haltFail,804                              boolean showOut, boolean outputToFormat,805                              boolean logTestListenerEvents,806                              Properties props) {807        t.setProperties(props);808        JUnitTestRunner runner =809            new JUnitTestRunner(t, haltError, stackfilter, haltFail, showOut,810                                logTestListenerEvents, null);811        runner.forked = true;812        runner.outputToFormatters = outputToFormat;813        transferFormatters(runner, t);814        runner.run();815        return runner.getRetCode();816     }817    /**818     * @since Ant 1.7819     */820    private static void registerNonCrash()821            throws IOException {822        if (crashFile != null) {823            FileWriter out = null;824            try {825                out = new FileWriter(crashFile);826                out.write(Constants.TERMINATED_SUCCESSFULLY + "\n");827                out.flush();828            } finally {829                if (out != null) {830                    out.close();831                }832            }833        }834    }835    private static void registerTestCase(String testCase) {836        if (crashFile != null) {837            try {838                FileWriter out = null;839                try {840                    out = new FileWriter(crashFile);841                    out.write(testCase + "\n");842                    out.flush();843                } finally {844                    if (out != null) {845                        out.close();846                    }847                }848            } catch (IOException e) {849                // ignored.850            }851        }852    }853    /**854     * Modifies a TestListener when running JUnit 4: treats AssertionFailedError855     * as a failure not an error.856     *857     * @since Ant 1.7858     */859    private TestListener wrapListener(final TestListener testListener) {860        return new TestListener() {861            public void addError(Test test, Throwable t) {862                if (junit4 && t instanceof AssertionFailedError) {863                    // JUnit 4 does not distinguish between errors and failures864                    // even in the JUnit 3 adapter.865                    // So we need to help it a bit to retain compatibility for JUnit 3 tests.866                    testListener.addFailure(test, (AssertionFailedError) t);867                } else if (junit4 && t.getClass().getName().equals("java.lang.AssertionError")) {868                    // Not strictly necessary but probably desirable.869                    // JUnit 4-specific test GUIs will show just "failures".870                    // But Ant's output shows "failures" vs. "errors".871                    // We would prefer to show "failure" for things that logically are.872                    try {873                        String msg = t.getMessage();874                        AssertionFailedError failure = msg != null875                            ? new AssertionFailedError(msg) : new AssertionFailedError();876                        // To compile on pre-JDK 4 (even though this should always succeed):877                        Method initCause = Throwable.class.getMethod(878                            "initCause", new Class[] {Throwable.class});879                        initCause.invoke(failure, new Object[] {t});880                        testListener.addFailure(test, failure);881                    } catch (Exception e) {882                        // Rats.883                        e.printStackTrace(); // should not happen884                        testListener.addError(test, t);885                    }886                } else {887                    testListener.addError(test, t);888                }889            }890            public void addFailure(Test test, AssertionFailedError t) {891                testListener.addFailure(test, t);892            }893            public void addFailure(Test test, Throwable t) { // pre-3.4894                if (t instanceof AssertionFailedError) {895                    testListener.addFailure(test, (AssertionFailedError) t);896                } else {897                    testListener.addError(test, t);898                }899            }900            public void endTest(Test test) {901                testListener.endTest(test);902            }903            public void startTest(Test test) {904                testListener.startTest(test);905            }906        };907    }908    /**909     * Use instead of TestResult.get{Failure,Error}Count on JUnit 4,...Source:XMLJUnitResultFormatter.java  
...115     * Interface TestListener for JUnit <= 3.4.116     *117     * <p>A Test failed.118     */119    public void addFailure(Test test, Throwable t) {120        formatError(FAILURE, test, t);121    }122    /**123     * Interface TestListener for JUnit > 3.4.124     *125     * <p>A Test failed.126     */127    public void addFailure(Test test, AssertionFailedError t) {128        addFailure(test, (Throwable) t);129    }130    /**131     * Interface TestListener.132     *133     * <p>An error occured while running the test.134     */135    public void addError(Test test, Throwable t) {136        formatError(ERROR, test, t);137    }138    private void formatError(String type, Test test, Throwable t) {139        if (test != null) {140            endTest(test);141        }142        Element nested = doc.createElement(type);...Source:PlainJUnitResultFormatter.java  
...108     * Interface TestListener for JUnit <= 3.4.109     *110     * <p>A Test failed.111     */112    public void addFailure(Test test, Throwable t) {113        formatError("\tFAILED", test, t);114    }115    /**116     * Interface TestListener for JUnit > 3.4.117     *118     * <p>A Test failed.119     */120    public void addFailure(Test test, AssertionFailedError t) {121        addFailure(test, (Throwable) t);122    }123    /**124     * Interface TestListener.125     *126     * <p>An error occured while running the test.127     */128    public void addError(Test test, Throwable t) {129        formatError("\tCaused an ERROR", test, t);130    }131    private void formatError(String type, Test test, Throwable t) {132        if (test != null) {133            endTest(test);134        }135        failed = true;...Source:JUnit3OutcomeListener.java  
...28    public void addError(Test test, Throwable t) {29        mOutcome = Outcome.ERROR;30    }31    @Override32    public void addFailure(Test test, AssertionFailedError t) {33        mOutcome = Outcome.FAIL;34    }35    @Override36    public void endTest(Test test) {37        // Nothing.38    }39    @Override40    public void startTest(Test test) {41        // Nothing.42    }43    // OutcomeListener Interface.44    @Override45    public boolean isPass() {46        return mOutcome == Outcome.PASS;...Source:1185.java  
...21    public void addError(Test test, TestFailure testFailure);22    /**23 	* A failure occurred.24 	*/25    public void addFailure(Test test, TestFailure testFailure);26}...Source:1290.java  
...21    public void addError(Test test, TestFailure testFailure);22    /**23 	* A failure occurred.24 	*/25    public void addFailure(Test test, TestFailure testFailure);26}...Source:TestListener.java  
1package junit.framework;2public interface TestListener3{4public abstract  void addError(junit.framework.Test test, java.lang.Throwable t);5public abstract  void addFailure(junit.framework.Test test, junit.framework.AssertionFailedError t);6public abstract  void endTest(junit.framework.Test test);7public abstract  void startTest(junit.framework.Test test);8}...addFailure
Using AI Code Generation
1package com.javacodegeeks.testng.maven;2import org.testng.Assert;3import org.testng.ITestContext;4import org.testng.ITestListener;5import org.testng.ITestResult;6public class TestListener implements ITestListener {7    public void onTestStart(ITestResult result) {8        System.out.println("Test started: " + result.getName());9    }10    public void onTestSuccess(ITestResult result) {11        System.out.println("Test passed: " + result.getName());12    }13    public void onTestFailure(ITestResult result) {14        System.out.println("Test failed: " + result.getName());15        Assert.fail("Test failed: " + result.getName());16    }17    public void onTestSkipped(ITestResult result) {18        System.out.println("Test skipped: " + result.getName());19    }20    public void onTestFailedButWithinSuccessPercentage(ITestResult result) {21        System.out.println("Test failed but within success percentage: " + result.getName());22    }23    public void onStart(ITestContext context) {24        System.out.println("Test started: " + context.getName());25    }26    public void onFinish(ITestContext context) {27        System.out.println("Test finished: " + context.getName());28    }29}30package com.javacodegeeks.testng.maven;31import org.testng.Assert;32import org.testng.ITestContext;33import org.testng.ITestListener;34import org.testng.ITestResult;35public class TestListener implements ITestListener {36    public void onTestStart(ITestResult result) {37        System.out.println("Test started: " + result.getName());38    }39    public void onTestSuccess(ITestResult result) {40        System.out.println("Test passed: " + result.getName());41    }42    public void onTestFailure(ITestResult result) {43        System.out.println("Test failed: " + result.getName());44        Assert.fail("Test failed: " + result.getName());45    }46    public void onTestSkipped(ITestResult result) {47        System.out.println("Test skipped: " + result.getName());48    }49    public void onTestFailedButWithinSuccessPercentage(ITestResult result) {addFailure
Using AI Code Generation
1public class TestListener implements org.junit.runner.notification.RunListener {2    public void testFailure(Failure failure) throws Exception {3        System.out.println("Test failed");4        super.testFailure(failure);5    }6}7public class TestListener implements org.junit.runner.notification.RunListener {8    public void testFailure(Failure failure) throws Exception {9        System.out.println("Test failed");10        super.testFailure(failure);11    }12}13public class TestListener implements org.junit.runner.notification.RunListener {14    public void testFailure(Failure failure) throws Exception {15        System.out.println("Test failed");16        super.testFailure(failure);17    }18}19public class TestListener implements org.junit.runner.notification.RunListener {20    public void testFailure(Failure failure) throws Exception {21        System.out.println("Test failed");22        super.testFailure(failure);23    }24}25public class TestListener implements org.junit.runner.notification.RunListener {26    public void testFailure(Failure failure) throws Exception {27        System.out.println("Test failed");28        super.testFailure(failure);29    }30}31public class TestListener implements org.junit.runner.notification.RunListener {32    public void testFailure(Failure failure) throws Exception {33        System.out.println("Test failed");34        super.testFailure(failure);35    }36}37public class TestListener implements org.junit.runner.notification.RunListener {38    public void testFailure(Failure failure) throws Exception {39        System.out.println("Test failed");40        super.testFailure(failure);41    }42}43public class TestListener implements org.junit.runner.notification.RunListener {44    public void testFailure(Failure failure) throws Exception {45        System.out.println("Test failed");46        super.testFailure(failure);47    }48}addFailure
Using AI Code Generation
1import org.junit.runner.notification.Failure;2import org.junit.runner.notification.RunListener;3public class TestListener extends RunListener {4    public void testFailure(Failure failure) throws Exception {5        super.testFailure(failure);6        System.out.println("Test failed: " + failure.getMessage());7    }8}9import org.junit.runner.notification.Failure;10import org.junit.runner.notification.RunListener;11public class TestListener extends RunListener {12    public void testFailure(Failure failure) throws Exception {13        super.testFailure(failure);14        System.out.println("Test failed: " + failure.getMessage());15    }16}17import org.junit.runner.notification.Failure;18import org.junit.runner.notification.RunListener;19public class TestListener extends RunListener {20    public void testFailure(Failure failure) throws Exception {21        super.testFailure(failure);22        System.out.println("Test failed: " + failure.getMessage());23    }24}25import org.junit.runner.notification.Failure;26import org.junit.runner.notification.RunListener;27public class TestListener extends RunListener {28    public void testFailure(Failure failure) throws Exception {29        super.testFailure(failure);30        System.out.println("Test failed: " + failure.getMessage());31    }32}33import org.junit.runner.notification.Failure;34import org.junit.runner.notification.RunListener;35public class TestListener extends RunListener {36    public void testFailure(Failure failure) throws Exception {37        super.testFailure(failure);38        System.out.println("Test failed: " + failure.getMessage());39    }40}41import org.junit.runner.notification.Failure;42import org.junit.runner.notification.RunListener;43public class TestListener extends RunListener {44    public void testFailure(Failure failure) throws Exception {45        super.testFailure(failure);46        System.out.println("Test failed: " + failure.getMessage());47    }48}49import org.junit.runner.notification.Failure;50import org.junit.runner.notification.RunListener;51public class TestListener extends RunListener {LambdaTest also has a detailed JUnit tutorial explaining its features, importance, advanced use cases, best practices, and more to help you get started with running your automation testing scripts.
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