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Multicore Programming in Erlang

Posted by Ulf Wiger  on  Jul 16, 2009

Ulf Wiger shows typical Erlang programs, patterns that scale well on multicore and patterns that don't, profiling and debugging parallel applications and ensuring correct behaviour with QuickCheck.

Testing Your Presentation Layer

Posted by Yehuda Katz  on  May 20, 2009

Yehuda Katz shows how to test a web app's UI using technologies such as Johnson (Ruby to Javascript bridge), jspec (BDD for Javascript), Webrat and others.

Conceptual Algorithms

Posted by Tom Preston-Werner  on  Jan 17, 2009 5

In this talk from RubyFringe, GitHub's Tom Preston-Werner talks about a methodical approach to solving problems and debugging. Also: he explains how to use the "Deathbed Filter" for choosing projects.

Testing is Overrated

Posted by Luke Francl  on  Jan 02, 2009 8

Developer-driven testing is probably the most influential software development technique of the last 10-15 years. There's no question that it has improved the practice of building software. And in a dynamic language like Ruby, it's hard to get by without it. But is it really the best way to find defects? Or is the emphasis on testing and test coverage barking up the wrong tree?

Mock Roles Not Object States

Posted by Nat Pryce & Steve Freeman  on  Aug 10, 2008

In this presentation filmed during QCon London 2007, Nat Pryce and Steve Freeman talk about TDD using Mock Objects. In their opinion, Mock Objects improves the software design and makes the code more easier to maintain and adapt to changing requirements.

Automating Business Value with FIT and Fitnesse

Posted by David Hussman  on  Apr 26, 2008 7

Agile communities consider stories “done” when the acceptance tests (also called story tests) are shown to the customer. Originally, this was a manual process, but in recent years, several frameworks have been created to automate this process, providing acceptance testing all the benefits of automated unit testing. One of the most popular of these if called FIT, created by Ward Cunningham.

Designing for Testability

Posted by Cedric Beust and Alexandru Popescu  on  Feb 28, 2008 6

In this presentation from QCon San Francisco, Cedric Beust and Alexandru Popescu discuss interesting features of TestNG such as grouping of tests, data providers for tests and dependency handling in tests, tips for designing easily testable code such as eliminating statics, extreme encapsulation and TDD, the importance of functional versus unit testing, and migrating from JUnit to TestNG.

The Role of Testing and QA in Agile Software Development

Posted by Scott Ambler  on  May 03, 2007 3

Agile developers are "test infected", we do test-first development and treat acceptance tests as full-fledged requirements artifacts and work with our stakeholders to acceptance test throughout the dev lifecycle. The end result is significantly higher quality software, achieved with very little input from the testing community. So what is the role of testers and QA people on agile projects?

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