Unit Testing Silverlight & Windows Phone Applications Jeff Wilcox Senior Software Development Engineer Silverlight

Outline Getting Started – What’s new in Silverlight testing – Unit testing in 5 minutes Silverlight Testing Walkthrough Testing Windows Phone Apps Wild Stuff Questions

Silverlight Unit Testing Old Test Framework

New Test Features Modern user interface – Silverlight-based – Simple, focused user experience – Out of Browser support Results management – Copy results to the clipboard – Elevated apps can

Silverlight Unit Testing New for 2010

New Test Features Better performance Automation improvements – Command-line executable – Windows XP support – Out-of-browser launcher

What is Unit Testing? Goal is to exercise business objects, states, validators. Keep the suits happy. Not so much… -Integration testing -User interface automating -Rendering verification

Unit Tests are Important Tests are important assets Maintain a “suite of pain” for your code Invest in your product for the long term Consider test-driven development

Unit Test Metadata Attributes [TestClass] [TestMethod] [ExpectedException(…)] [Priority(0)] Assertions Assert.IsTrue Assert.IsNotNull Assert.IsInstanceOfType StringAssert.Contains

SILVERLIGHT UNIT TESTING DEMO

Windows Phone Testing Where to start?

Windows Phone Testing Same exact Silverlight unit test framework

Windows Phone Testing

Windows Phone Unit Testing Silverlight Unit Test Framework Same Visual Studio unit test metadata – Run existing Silverlight unit tests – Run.NET unit tests Explore results – on the phone or in the emulator – in debug output

TESTING WINDOWS PHONE APPS DEMO

Windows Phone APIs Accelerometer GPS Licensing Phone Tasks Vibration

How to test phone APIs Crawl – Manual & exploratory testing Walk – Inversion of Control (IoC) with mocking Run – Only time will tell

TESTING WINDOWS PHONE APIS DEMO

Wild Stuff Automating tests during daily builds Verifying storyboards, states, visual properties Asynchronous testing Testing WCF RIA Services and Silverlight apps as one large system Network, authentication, authorization User interface automation

Wednesday Session Improving Software Quality for the Modern Web Learn about many testing methodologies for agile, modern web developers Euan Garden Wed 3:00 PM in Breakers J

Call to Action Get the bits today In the next Silverlight Toolkit release Ships with Silverlight 4

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