public SampleResult sample()

in src/protocol/junit/src/main/java/org/apache/jmeter/protocol/java/sampler/JUnitSampler.java [370:477]
98 lines of code
16 McCabe index (conditional complexity)

    public SampleResult sample(Entry entry) {
        if(getCreateOneInstancePerSample()) {
            initializeTestObject();
        }
        SampleResult sresult = new SampleResult();
        sresult.setSampleLabel(getName());// Bug 41522 - don't use rlabel here
        sresult.setSamplerData(className + "." + methodName);
        sresult.setDataType(SampleResult.TEXT);
        // Assume success
        sresult.setSuccessful(true);
        sresult.setResponseMessage(getSuccess());
        sresult.setResponseCode(getSuccessCode());
        if (this.testCase != null){
            // create a new TestResult
            TestResult tr = new TestResult();
            final TestCase theClazz = this.testCase;
            try {
                if (setUpMethod != null){
                    setUpMethod.invoke(this.testObject,new Object[0]);
                }
                sresult.sampleStart();
                tr.startTest(this.testCase);
                // Do not use TestCase.run(TestResult) method, since it will
                // call setUp and tearDown. Doing that will result in calling
                // the setUp and tearDown method twice and the elapsed time
                // will include setup and teardown.
                tr.runProtected(theClazz, protectable);
                tr.endTest(this.testCase);
                sresult.sampleEnd();
                if (tearDownMethod != null){
                    tearDownMethod.invoke(testObject,new Object[0]);
                }
            } catch (InvocationTargetException e) {
                Throwable cause = e.getCause();
                if (cause instanceof AssertionFailedError){
                    tr.addFailure(theClazz, (AssertionFailedError) cause);
                } else if (cause instanceof AssertionError) {
                    // Convert JUnit4 failure to Junit3 style
                    AssertionFailedError afe = new AssertionFailedError(cause.toString());
                    // copy the original stack trace
                    afe.setStackTrace(cause.getStackTrace());
                    tr.addFailure(theClazz, afe);
                } else if (cause != null) {
                    tr.addError(theClazz, cause);
                    log.info("caught exception", e);
                } else {
                    tr.addError(theClazz, e);
                    log.info("caught exception", e);
                }
            } catch (IllegalAccessException | IllegalArgumentException e) {
                tr.addError(theClazz, e);
            }
            if ( !tr.wasSuccessful() ){
                sresult.setSuccessful(false);
                StringBuilder buf = new StringBuilder();
                StringBuilder buftrace = new StringBuilder();
                Enumeration<TestFailure> en;
                if (getAppendError()) {
                    en = tr.failures();
                    if (en.hasMoreElements()){
                        sresult.setResponseCode(getFailureCode());
                        buf.append( getFailure() );
                        buf.append("\n");
                    }
                    while (en.hasMoreElements()){
                        TestFailure item = en.nextElement();
                        buf.append( "Failure -- ");
                        buf.append( item.toString() );
                        buf.append("\n");
                        buftrace.append( "Failure -- ");
                        buftrace.append( item.toString() );
                        buftrace.append("\n");
                        buftrace.append( "Trace -- ");
                        buftrace.append( item.trace() );
                    }
                    en = tr.errors();
                    if (en.hasMoreElements()){
                        sresult.setResponseCode(getErrorCode());
                        buf.append( getError() );
                        buf.append("\n");
                    }
                    while (en.hasMoreElements()){
                        TestFailure item = en.nextElement();
                        buf.append( "Error -- ");
                        buf.append( item.toString() );
                        buf.append("\n");
                        buftrace.append( "Error -- ");
                        buftrace.append( item.toString() );
                        buftrace.append("\n");
                        buftrace.append( "Trace -- ");
                        buftrace.append( item.trace() );
                    }
                }
                sresult.setResponseMessage(buf.toString());
                sresult.setResponseData(buftrace.toString(), null);
            }
        } else {
            // we should log a warning, but allow the test to keep running
            sresult.setSuccessful(false);
            // this should be externalized to the properties
            sresult.setResponseMessage("Failed to create an instance of the class:"+getClassname()
                    +", reasons may be missing both empty constructor and one "
                    + "String constructor or failure to instantiate constructor,"
                    + " check warning messages in jmeter log file");
            sresult.setResponseCode(getErrorCode());
        }
        return sresult;
    }