Access to the Context in a Listener

[Felipe Knorr Kuhn]

Hello all,

I'm trying to implement a IInvokedMethodListener to capture screenshots of failed tests as posted in [1]

The code is working as is, but I want to tweak it a bit, to use same directory set in the Context (context.getOutputDirectory()) to save the files.

Unfortunately, there's no way to access that through the Listener interface.

Any ideas?

Thanks and regards,

FK

[1] http://seleniumexamples.com/blog/examples/capturing-screenshots-from-remote-selenium-rc

[Cédric Beust ♔]

Hi Felipe,

This is possible in 5.12 (currently in beta):  there is a new interface called IInvokedMethodListener2:

/**

 * Implement this interface if you need a handle to {@link ITestContext}.

 *

 * @author karthik....@gmail.com (Karthik Krishnan)

 */

public interface IInvokedMethodListener2 extends IInvokedMethodListener {

  /**

   * To be implemented if the method needs a handle to contextual information.

   */

  void beforeInvocation(IInvokedMethod method, ITestResult testResult,

      ITestContext context);

  /**

   * To be implemented if the method needs a handle to contextual information.

   */

  void afterInvocation(IInvokedMethod method, ITestResult testResult,

      ITestContext context);

}

-- 

Cedric

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[Cédric Beust ♔]

Sorry, forgot the link:  http://testng.org/beta

2010/2/23 Cédric Beust ♔ <cbe...@google.com>

--

Cédric

[Felipe Knorr Kuhn]

Thanks Cédric :)

I didn't update to 5.12beta because it broke my Interceptor and I didn't have time to fix it...

Everything is working now, except for an error that started showing up after I run the following line:

String base64Screenshot = ((BaseTest) result.getTestClass().getInstances(true)[0]).getSelenium().captureEntirePageScreenshotToString("");

I'm sure there is a better way to get the Selenium instance in the Listener, but I have no idea what it would be :)

16:28:09.256 INFO - Stopped HttpContext[/,/]
16:28:09.256 INFO - Stopped org.mortbay.jetty.Server@e6f7d2
com.thoughtworks.selenium.SeleniumException: Connection refused
    at com.thoughtworks.selenium.HttpCommandProcessor.executeCommandOnServlet(HttpCommandProcessor.java:107)
    at com.thoughtworks.selenium.HttpCommandProcessor.doCommand(HttpCommandProcessor.java:86)
    at com.thoughtworks.selenium.HttpCommandProcessor.getString(HttpCommandProcessor.java:262)
    at com.thoughtworks.selenium.DefaultSelenium.captureEntirePageScreenshotToString(DefaultSelenium.java:723)
    at common.InvocationListener.afterInvocation(InvocationListener.java:37)
    at org.testng.internal.Invoker.runInvokedMethodListeners(Invoker.java:474)
    at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:451)
    at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:162)
    at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:92)
    at org.testng.SuiteRunner.privateRun(SuiteRunner.java:307)
    at org.testng.SuiteRunner.run(SuiteRunner.java:195)
    at org.testng.TestNG.createAndRunSuiteRunners(TestNG.java:904)
    at org.testng.TestNG.runSuitesLocally(TestNG.java:871)
    at org.testng.TestNG.run(TestNG.java:779)
    at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:75)
    at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:127)
Caused by: java.net.ConnectException: Connection refused
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
    at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
    at java.net.Socket.connect(Socket.java:519)
    at java.net.Socket.connect(Socket.java:469)
    at sun.net.NetworkClient.doConnect(NetworkClient.java:163)
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
    at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
    at sun.net.www.http.HttpClient.New(HttpClient.java:306)
    at sun.net.www.http.HttpClient.New(HttpClient.java:335)
    at sun.net.www.protocol.http.HttpURLConnection.setNewClient(HttpURLConnection.java:540)
    at sun.net.www.protocol.http.HttpURLConnection.setNewClient(HttpURLConnection.java:528)
    at sun.net.www.protocol.http.HttpURLConnection.writeRequests(HttpURLConnection.java:474)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1062)
    at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
    at com.thoughtworks.selenium.HttpCommandProcessor.getResponseCode(HttpCommandProcessor.java:144)
    at com.thoughtworks.selenium.HttpCommandProcessor.getCommandResponseAsString(HttpCommandProcessor.java:164)
    at com.thoughtworks.selenium.HttpCommandProcessor.executeCommandOnServlet(HttpCommandProcessor.java:104)
    ... 15 more

Thanks again,

FK

2010/2/23 Cédric Beust ♔ <cbe...@google.com>

[Felipe Knorr Kuhn]

It seems like I was getting this error because the setupBeforeSuite and setupAfterSuite methods are passed to the listener.

At the point setupBeforeSuite was called, my Selenium Server object did not exist anymore, thus causing the "Connection Refused" error.

Regards,
FK

[Felipe Knorr Kuhn]

I forgot to mention that my "workaround" for this was ignoring the setupBeforeSuite and setupAfterSuite methods in afterInvocation():

if ((method.getTestMethod().getMethodName() != "setupBeforeSuite") && (method.getTestMethod().getMethodName() != "setupAfterSuite"))
{
if (!result.isSuccess()) {
...

[Cédric Beust ♔]

!= and not equals()  ?

[Felipe Knorr Kuhn]

Changed to ("setupBeforeSuite").equals(method.getTestMethod().getMethodName())

Thanks for the tip :)

FK

2010/2/24 Cédric Beust ♔ <cbe...@google.com>