TL;DR

Write type-safe tests in TypeScript with assertion patterns, mocking, and test organization for reliable, maintainable test suites.

Key concepts

  • TypeScript testing
  • type-safe tests
  • TypeScript mocking
  • unit testing TypeScript

Next lesson

React and TypeScript

Type React components, props, hooks, events, and context with TypeScript. Catch UI bugs at compile time and build self-documenting code.

25 min

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