Aaron and Joel talk about why they write tests and what sorts of tests they find valuable.

• 00:00 Why do we write tests?
• 03:05 Implied trust in packages
• 04:15 What do you test? How do you write them?
• 06:30 Testing the happy path
• 07:05 Testing the "unhappy" paths
• 08:12 It's less work than you think
• 11:30 Testing a dumb mistake with range validators
• 14:40 Silly bit