Be a legacy code Unit Test Ninja with Typemock Isolator

1
Unit Testing
Legacy Code
With
Isolator
Roy OsheroveCTO, Typemock
@RoyOsherove

2
Asking Questions
Twitter : Ask @Typemock under #Legacy

3
Giveaways:
2 Isolator Licenses
Answer Survey

Agenda

Our ApplicationBlogEngine.NET
http://blogengine.codeplex.com/
Download the code
Follow Along

What shall we test?

Legacy Code Ahead
Lots of Dependencies
Unknown Beforehand
Many Rules Don’t Apply
Tests are longer, and harder to read
Better to start with integration tests
7

Demo Excavating Code with Isolator
Wishful Invocation
Get dependency exception
Choose Dependency from stack
FAKE dependency

Summary
Approach Legacy With Caution
Choose the right level of isolation
Use Broad Strokes when Faking Legacy
Maintainability
Readability
See tests fail and pass
trust
9

More Advice
Typemock Forums
http://forums.typemock.com/
Support staff
Blog.typemock.com
10

Vs. Competitors

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Easy, Correct & Effective Unit Testing
“Typemock- My testing tool of choice. Each time I use it, I rediscover its power, and I'm amazed. Great tool!”
Jason C Divis, @CodingOfficer

13
Asking Questions
Twitter : Ask @Typemock

14
Giveaways:
2 Isolator Licenses
Answer All Survey Questionsafter this webinar finished

Thanks
15
Roy Osherove CTO, Typemock
royo@typemock.com

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Be a legacy code Unit Test Ninja with Typemock Isolator

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Be a legacy code Unit Test Ninja with Typemock Isolator Presentation Transcript