Some information about software testing is just wrong.
I'm not talking about opinions. I have lots of opinions and they differ from other peoples opinions. I'm talking about misinformation and old information that is no longer applicable.

I've ran across a few lateley that I want to address.

All of the following are wrong:

1. Integrated tests can't work. I can prove it with wacky math.
2. Tests have to be blazing fast or they won't get run.
3. TDD is about design, not about testing.

This episode discusses why these are wrong.

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Links:

• Why should you write tests? - A Question of Code Podcast
• Boundaries talk by Gary Bernhardt
• Integrated Tests Are A Scam - J B Rainsberger
• UnitTest - Solitary or Sociable - and speed - Martin Fowler
• Premature optimization is the root of all evil -- DonaldKnuth
• My reaction to "Is TDD Dead?" - Python Testing
• Test-induced design damage - DHH
• Slow database test fallacy - DHH
• RailsConf 2014 - Keynote: Writing Software - DHH
• Manifesto for Agile Software Development
• Apache Beam Contrib Guide, including post commit testing