Swing Extreme Testing by Tim Lavers, Lindsay Peters

By Tim Lavers, Lindsay Peters

Intimately Thorough checking out is the root of fine software program. no matter if we use an agile improvement technique akin to severe Programming, or a extra conventional method, we needs to attempt our software program on the unit point and alertness point. The assessments needs to run instantly and canopy all features of the software program. during this e-book, the authors draw on greater than twenty years of expertise to teach how automatic trying out should be utilized to a true advertisement product. This ebook will train you ways to instantly try out consumer interfaces (Swing GUIs), the assistance process, internationalization, log records, spreadsheets, e mail, and net companies, the right way to practice checks regarding a number of JVMs, and a number of different issues. those assessments are utilized on the module point (unit exams) and on the software point (function tests). The authors have built the attempt approaches within the broader context of an severe Programming (XP) technique. despite the fact that, the trying out innovations are under no circumstances particular to XP, and should be utilized inside of any given improvement technique. What you'll research from this publication? What wishes trying out in a Java software program project--the severe trying out approachManaging try out sessions and try out dataUseful instruments for mechanically trying out Java applicationsManaging and trying out person interface parts, and utilizing UI wrappers in functionality testingSetting up Swing GUI elements in a thread-safe mannerCreating and checking out a JavaHelp procedure for an applicationTesting hugely multi-threaded process and verbal exchange with exterior systemsTesting the logs produced by means of a software program applicationEmbedding GUI elements in server-side classesManaging databases in a fashion that allows testingSpecifying and writing assessments on the method point, assessments utilizing a number of JVMsBasics of load testingExploring GrandTestAuto, a device for try out automation, assurance checking, and disbursed testingDealing with intermittent try disasters method This e-book is a pragmatic advisor in line with the authors' day-by-day adventure constructing and protecting a state of the art synthetic Intelligence method. each bankruptcy comes up with real-life examples and the resource code that incorporates the ebook is filled with worthwhile (and well-tested) instruments. the sensible examples make this e-book compatible studying fabric for Swing builders. Who this booklet is written for? This ebook is for Swing builders who layout and strengthen advanced software program for person interfaces that calls for huge checking out. which will learn how to try out your Swing GUI parts, this e-book is for you.

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Each test takes about a minute to run, and there are about four hundred of them. The overall time to test these is about three and a half hours. Third in line are the load tests. These stress and scalability tests take a long time to run—about two hours for the fifty-odd tests we have. [ 33 ] What Needs Testing? Sometimes it's not a clear-cut decision at which level to put a test. For example, our main server component, RippledownServerImpl, previously experienced problems that could only be replicated by a test that took more than an hour.

Unit tests for user interface classes tend to be slower than those for non-UI classes of similar complexity. This is due to the relative slowness of drawing components on-screen, and also because of pauses between keystrokes in these tests. Overall, the unit tests take a couple of hours to run on a very fast eight core machine with 16 gigabytes of memory. Next are the function tests. Each functional requirement in our software specification leads to a test script in our testing specification. The function tests are Java classes that implement these test scripts.

The unit test is an appropriate place for tests, such as this, of the specific behavior of a component. Although we could test these things at the application level, such tests would be harder to write, more difficult to understand and maintain, and slower to run than the equivalent unit tests. What Classes Do We Test? Our experience is that in software Murphy's Law holds supreme: any class without a test is guaranteed to contain bugs. ", there is only one satisfactory answer: Extreme Testing Guideline: Every public class requires an explicit unit test.

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