• Share
  • Email
  • Embed
  • Like
  • Save
  • Private Content
Mockfight! FlexMock vs. Mocha
 

Mockfight! FlexMock vs. Mocha

on

  • 14,781 views

Patrick Reagan runs through a quick demo using both FlexMock and Mocha to highlight the differences (and similarities!) between the two libraries.

Patrick Reagan runs through a quick demo using both FlexMock and Mocha to highlight the differences (and similarities!) between the two libraries.

Statistics

Views

Total Views
14,781
Views on SlideShare
14,677
Embed Views
104

Actions

Likes
5
Downloads
174
Comments
0

10 Embeds 104

http://blog.viget.com 36
http://www.letrails.cn 22
http://www.slideshare.net 18
http://www.viget.com 12
http://www.e-presentations.us 7
http://letrails.cn 4
http://www.xianguo.com 2
http://www.rubyer.net 1
http://zhuaxia.com 1
http://72.14.235.104 1
More...

Accessibility

Categories

Upload Details

Uploaded via as Adobe PDF

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel

Mockfight! FlexMock vs. Mocha Mockfight! FlexMock vs. Mocha Presentation Transcript

  • Mockfight! FlexMock vs. Mocha Patrick Reagan patrick@viget.com Director, Application Development Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 2 What are Mocks? “Mock objects are simulated objects that mimic the behavior of real objects in controlled ways” - Wikipedia Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 3 When to Mock? Use mocks when you want to: • Control the behavior of internal method calls • Remove dependence on external systems • Improve test performance Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 4 Control Behavior What does this return? Need to maintain consistency between calls Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 5 Control Behavior How do we test? Magic happens here Stub the call to Die#rand (using Mocha) Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 6 Remove Dependencies Example: retrieve response data via HTTP To test this, we need to mock: • Call to URI#parse • Calls to Net::HTTP#new and Net::HTTP#head Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 7 Mockfight! Expanded example: • Create class method to check for resource • Handle errors and redirects • Iteratively develop functionality while testing • Examine the differences between libraries Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 8 Round 1 Test scenario when URI#parse raises exception Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 9 Round 1: Results FlexMock Mocha Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 10 Round 2 Check for a valid response Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 11 Round 2: Results FlexMock Mocha Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 12 Round 3 Check for response type instead of status code * Our previous tests for response status code are now invalid Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 13 Round 3: Results FlexMock Mocha Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 14 Round 4 Follow an HTTP redirect response Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 15 Round 4: Results FlexMock Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 16 Round 4: Results Mocha Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 17 Round 5 Handling maximum number of redirects Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 18 Round 5: Results FlexMock Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 19 Round 5: Results Mocha Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 20 Bonus Round Mocking ActiveRecord#find in controllers Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 21 Bonus Round: Results FlexMock Mocha Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 22 But Wait, There’s More Mocha has parameter matchers (in SVN) You can write code like this: Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 23 Conclusion • Newest versions of gems contain similar features • FlexMock can accept blocks for further mocking • Personal preference of syntax is the deciding factor Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 24 It’s a Tie! Ultimately, two great libraries - just pick one Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 25 Questions? ??? Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com
  • Mockfight! FlexMock vs. Mocha 26 Additional Information FlexMock (Jim Weirich) http://www.onestepback.org/software/flexmock Mocha (James Mead) http://mocha.rubyforge.org http://www.slideshare.net/viget Viget Labs we build web business July 18, 2007 © Copyright 2007 Viget Labs, LLC – www.viget.com