Dave Lloydwww.ObjectSharp.com/Blogs/Dave

Unit Testing in the Real World

AgendaAgenda

Anatomy of a Test FixtureBeware of the .VSMDIUsing the .testrunconfigExpected ExceptionsData Driven TestsMock ObjectsIgnore & InconclusiveTest Driven DevelopmentStatic Code Analysis and Code Coverage

Anatomy of a TestFixture

Test Class<TestClass><ClassInitialize()> and <ClassCleanup()><TestInitialize()> and <TestCleanup()>

Test Method<TestMethod()>

TestContext Property

.VSMDI

Meta Data for Test ManagerMust have VS for Testers or Team SuiteNot a part of VS for Developers

Don’t Merge this file!To add tests to a Team Build you need this file

.testrunconfig

Creating and using your ownDeploymentCode CoverageSetup and Cleanup Batch Files

Testing for Expected Exceptions

ExpectedException AttributeValidate the correct Exception was raised

Data Driven Tests

DataSource AttributeExecute a test using test data

Mock Objects

The Crash Test Dummies of Unit TestingSimulated ObjectSame Interface as the Real Object

Why Create a Mock ObjectReal one doesn’t exist yetDifficult to produce within a test

Ignore & Inconclusive

IgnoreTell VSTS to ignore a test

Assert.InconclusiveShow test in test results with messageReminder of an Inconclusive Test

Test Driven Development

Available in C#The Process

Write a Test Execute and see it failWrite the codeExecute the test and see it pass

Smart Tag allowing you to Generate a method Stub in the code being tested

Code Coverage

Static Code Analysis

AdditionalResources

Blogs on TDD:• James Newkirk - blogs.msdn.com/jamesnewkirk• Brian Marick - www.testing.com/cgi-bin/blog• Jonathan de Halleux - http://blog.dotnetwiki.org/ • Jose Almeida - blogs.msdn.com/josealmeida/• Scott Densmore – blogs.msdn.com/scottdensmore• Code Project -www.codeproject.com/dotnet/tdd_in_dotnet.asp• TestDriven.com - www.testdriven.com

Books:• Test-Driven Development in Microsoft.Net

By James W. Newkirk & Alexei A. Vorontsov• Test Driven Development: A Practical Guide

By David Astels• Test Driven Development: by Example

By Kent Beck

Unit Testing in the Real World

Dave LloydPartner, ObjectSharp Consultingwww.ObjectSharp.com/Blogs/Dave

Unit Testing in the Real World

Dave Lloydwww.ObjectSharp.com/Blogs/Dave