Transcript Unit Testing Silverlight & Windows Phone Applications Jeff Wilcox Senior Software Development Engineer Silverlight [email protected].

Unit Testing Silverlight &
Windows Phone Applications
Jeff Wilcox
Senior Software Development Engineer
Silverlight
[email protected]
Outline
• Getting Started
– What’s new in Silverlight testing
– Unit testing in 5 minutes
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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 e-mail
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
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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
Assertions
[TestClass]
[TestMethod]
[ExpectedException(…)]
[Priority(0)]
Assert.IsTrue
Assert.IsNotNull
Assert.IsInstanceOfType
StringAssert.Contains
DEMO
SILVERLIGHT UNIT TESTING
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
DEMO
TESTING WINDOWS PHONE APPS
Windows Phone APIs
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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
DEMO
TESTING WINDOWS PHONE APIS
Wild Stuff
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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
http://jeffatmix.com/
• In the next Silverlight Toolkit release
http://silverlight.codeplex.com/
Ships with Silverlight 4
Questions?
• Jeff Wilcox
– Email [email protected]
– Talk resources www.jeffatmix.com
– Blog www.jeff.wilcox.name
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