The Test-First Technique

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prerequisites
basic TypeScript • basic Jest
skills learned
write granular tests for individual requirements • use larger-grain tests to drive the integration of individual components • change the design of existing code with the support of tests
Daniel Coleman and Max Guernsey, III
1 week · 4-6 hours per week · INTERMEDIATE
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Look inside

As a TypeScript developer, you’ve recently created a high-quality test suite as part of your company’s goal of adding functionality to its system. Now, using test-driven development (TDD) techniques, it’s time to analyze new requirements, reconcile them with what is currently documented by your test suite, and use the test-first technique to ensure changes to your library are justified, specified, and protected by tests.

This project is a part of the series Unit Testing with Typescript, Jest, and WebStorm.
This project is designed for learning purposes and is not a complete, production-ready application or solution.

prerequisites

This liveProject is for TypeScript developers who want to improve their testing skills. To begin these liveProjects you’ll need to be familiar with the following:

TOOLS
  • Basic TypeScript
  • Basic Jest
  • Basic Jest Mock Extended
TECHNIQUES
  • Object-oriented programming

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