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When you click OK, you will be given a chance to retry or cancel the test, as shown in Figure 6-19. The Setup Page Timeout field is similar, but it applies only if you ve used the setUpPage() function. It represents the amount of time (in seconds again) that the JsUnit test runner will wait for your setUpPage() function to finish. Don t forget that if your test page has a setUpPage() function, the test runner will wait until you set the setUpPageStatus variable to complete. As you would expect, the test runner will let you know that something unexpected happened, as shown in Figure 6-20. As with a page load timeout, you will have Figure 6-19. Retry or cancel an opportunity to retry or cancel. Most likely, this means you forgot to tell JsUnit that your setUpPage() function was done. If you remembered to set the setUpPageStatus variable to complete, then you may want to look at what you are doing in your setUpPage() function. You may need to increase the Setup Page Timeout setting or find a way to Figure 6-20. Setup page timeout error speed up your setup work.

<ajaxToolkit:NoBot ID="NoBot1" runat="server" OnGenerateChallengeAndResponse= "CustomChallengeResponse" />

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As for method calls and executions, the full class names (in other words, those including package names) as well as the wildcards (*, ., and +) can be used when writing the expressions for get and set Exceptions The handler type corresponds to a joinpoint that occurs when a catch block of instructions begins This type allows you to define aspects that perform compensation treatments when exceptions are thrown For example, this type of joinpoint can be used to log the messages that are generated by the thrown exceptions in a running application Another usage example is defining a common treatment for all the exceptions of a given type However implemented, the handling of exceptions with an aspect usually lightens the application making it far more readable and maintainable The handler type is associated with an exception name A name can contain the wildcards (*, ., and +).

So, the test runner is pretty great, but it can get really annoying to open it and browse to your test pages or test suites day after day. Luckily, you can use certain query strings to prepopulate the file to run, have the test runner automatically run the tests, and even pass parameters to your tests! Let s start with the basics. Say you have a test suite that you run every morning, just after you ve had your morning mocha. Of course, you could always just open the test runner file, browse to your test suite, and click Run; however, if you ve recently read Pragmatic Project Automation, by Mike Clark (Pragmatic Programmers, 2004), you ll want a way to automate this repetitive task. Luckily, the test runner supports the testPage5 query string. Putting the following in your browser s address bar (adjusted for your environment, of course) will launch the test runner in your browser with the given test populated for you: file:///Users/nate/projects/chapter6/web/jsunit/testRunner.html testPage=/Users/nate/projects/chapter6/web/sampleTestSuite.html As if it s magic, you ll be greeted with the test runner, and the argument you passed to the testPage parameter will now be in the file box, as shown in Figure 6-21. Notice that you no longer have a Browse button since you ve already told the test runner what you want to run, it just gets in the way.

Let s briefly look at the CustomChallengeResponse method in the page s code behind:

For example, the following expression intercepts the executions of the blocks that catch the javaioIOException exception or one of its subtypes: handler( javaioException+ ) With the current version of AspectJ, only before advice code can be defined for pointcuts that use the handler type Hence, some code can be executed at the beginning of a catch block but not at the end Constructors AspectJ can define pointcuts that include class constructors To achieve this, two joinpoint types are available: initialization and preinitialization The initialization joinpoint corresponds to the actual execution of the declared constructor, excluding a possible call to an inherited constructor The preinitialization joinpoint corresponds to the initialization code that is executed before the execution of the constructor, including any default field initializations and any field initializations that have been declared within the class body.

protected void CustomChallengeResponse(object sender, NoBotEventArgs e) { Panel p = new Panel(); p.ID = "NoBotSamplePanel"; Random rand = new Random(); p.Width = rand.Next(300); p.Height = rand.Next(200); p.Style.Add(HtmlTextWriterStyle.Visibility, "hidden"); p.Style.Add(HtmlTextWriterStyle.Position, "absolute"); ((NoBot) sender).Controls.Add(p); e.ChallengeScript = string.Format("var e = document.getElementById('{0}'); e.offsetWidth * e.offsetHeight;", p.ClientID); e.RequiredResponse = (p.Width.Value * p.Height.Value).ToString(); }

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