Example usage for java.lang Throwable setStackTrace

Introduction

In this page you can find the example usage for java.lang Throwable setStackTrace.

Prototype

public void setStackTrace(StackTraceElement[] stackTrace)

Source Link

Document

Sets the stack trace elements that will be returned by #getStackTrace() and printed by #printStackTrace() and related methods.

Usage

From source file:org.auraframework.test.util.WebDriverTestCase.java

/**
 * Gather up useful info to add to a test failure. try to get
 * <ul>/*from ww  w  . ja  v a2  s. c o  m*/
 * <li>any client js errors</li>
 * <li>last known js test function</li>
 * <li>running/waiting</li>
 * <li>a screenshot</li>
 * </ul>
 * 
 * @param originalErr the test failure
 * @throws Throwable a new AssertionFailedError or UnexpectedError with the original and additional info
 */
private Throwable addAuraInfoToTestFailure(Throwable originalErr) {
    StringBuffer description = new StringBuffer();
    if (originalErr != null) {
        String msg = originalErr.getMessage();
        if (msg != null) {
            description.append(msg);
        }
    }

    description.append(String.format("\nBrowser: %s", currentBrowserType));
    if (auraUITestingUtil != null) {
        description.append("\nUser-Agent: " + auraUITestingUtil.getUserAgent());
    }
    if (currentDriver == null) {
        description.append("\nTest failed before WebDriver was initialized");
    } else {

        if (this instanceof PerfExecutorTest) {
            JSONArray json = this.getLastCollectedMetrics();
            description.append("\nPerfMetrics: " + json + ';');
        }

        description.append("\nWebDriver: " + currentDriver);
        description.append("\nJS state: ");
        try {
            String dump = (String) auraUITestingUtil
                    .getRawEval("return (window.$A && $A.test && $A.test.getDump())||'';");
            if (dump.isEmpty()) {
                description.append("no errors detected");
            } else {
                description.append(dump);
            }
        } catch (Throwable t) {
            description.append(t.getMessage());
        }

        String screenshotsDirectory = System.getProperty("screenshots.directory");
        if (screenshotsDirectory != null) {
            String img = getBase64EncodedScreenshot(originalErr, true);
            if (img == null) {
                description.append("\nScreenshot: {not available}");
            } else {
                String fileName = getClass().getName() + "." + getName() + "_" + currentBrowserType + ".png";
                File path = new File(screenshotsDirectory + "/" + fileName);
                try {
                    path.getParentFile().mkdirs();
                    byte[] bytes = Base64.decodeBase64(img.getBytes());
                    FileOutputStream fos = new FileOutputStream(path);
                    fos.write(bytes);
                    fos.close();
                    String baseUrl = System.getProperty("screenshots.baseurl");
                    description.append(String.format("%nScreenshot: %s/%s", baseUrl, fileName));
                } catch (Throwable t) {
                    description.append(String.format("%nScreenshot: {save error: %s}", t.getMessage()));
                }
            }
        }

        try {
            description.append("\nApplication cache status: ");
            description.append(auraUITestingUtil.getRawEval(
                    "var cache=window.applicationCache;return (cache===undefined || cache===null)?'undefined':cache.status;")
                    .toString());
        } catch (Exception ex) {
            description.append("error calculating status: " + ex);
        }
        description.append("\n");
        if (SauceUtil.areTestsRunningOnSauce()) {
            String linkToJob = SauceUtil.getLinkToPublicJobInSauce(currentDriver);
            description.append("\nSauceLabs-recording: ");
            description.append((linkToJob != null) ? linkToJob : "{not available}");
        }
    }

    // replace original exception with new exception with additional info
    Throwable newFailure;
    if (originalErr instanceof AssertionFailedError) {
        newFailure = new AssertionFailedError(description.toString());
    } else {
        description.insert(0, originalErr.getClass() + ": ");
        newFailure = new UnexpectedError(description.toString(), originalErr.getCause());
    }
    newFailure.setStackTrace(originalErr.getStackTrace());
    return newFailure;
}