03:15 - Justin Searls Introduction
04:13 - Testing
08:44 - Mocking
14:45 - Starting These Concepts as a Junior Developer
17:55 - testdouble.js vs. sinon.js
26:39 - Duck Typing, Monkey Patching, Duck Punching
32:22 - Node.js Negativity
42:52 - Community
45:08 - The AAA Rule: Arrange, Act, Assert
51:19 - Error Messages
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