[arquillian-issues] [JBoss JIRA] (ARQGRA-256) Graphene RemoteWebDriver doesn't support augmentation properly

[Ron Šmeral (JIRA)]

Ron Šmeral created ARQGRA-256:
---------------------------------

             Summary: Graphene RemoteWebDriver doesn't support augmentation properly
                 Key: ARQGRA-256
                 URL: https://issues.jboss.org/browse/ARQGRA-256
             Project: Arquillian Graphene
          Issue Type: Bug
         Environment: Graphene 2.0.0.Alpha3-SNAPSHOT
            Reporter: Ron Šmeral


When using a remote WebDriver, trying to take a screenshot as described in [WebDriver documentation|http://seleniumhq.org/docs/04_webdriver_advanced.jsp#taking-a-screenshot]:
{code:java}
@Drone
WebDriver driver;
... 
WebDriver augmentedDriver = new Augmenter().augment(driver);
byte[] screenshot = ((TakesScreenshot) augmentedDriver).getScreenshotAs(OutputType.BYTES);
{code}

results in the following exeception:
{noformat}
Caused by: java.lang.ClassFormatError: Duplicate method name&signature in class file org/openqa/selenium/remote/RemoteWebDriver$$EnhancerCGLIB$$58fd8af5$$EnhancerByCGLIB$$558c2b50
{noformat}

If the augmentation is omitted, the {{TakesScreenshot}} interface can't be found:
{noformat}
java.lang.ClassCastException: org.openqa.selenium.remote.RemoteWebDriver$$EnhancerCGLIB$$eda133bb cannot be cast to org.openqa.selenium.TakesScreenshot
{noformat}

It seems that the CGLib-enhanced {{RemoteWebDriver}} instance contains the methods of capability providers ({{AddTakesScreenshot}}) but doesn't declare that it implements their corresponding interfaces ({{TakesScreenshot}}).

Note that taking screenshots works without the augmentation when using a non-remote WebDriver. (When using augmentation it throws the _Duplicate method name&signature_ exception).

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