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Model-Based Testing in React with State Machines

Testing applications is crucially important to ensuring that the code is error-free and the logic requirements are met. However, writing tests manually is tedious and prone to human bias and error. Furthermore, maintenance can be a nightmare, especially when features are added or business logic is changed. We’ll learn how model-based testing can eliminate the need to manually write integration and end-to-end tests, by automatically generating full tests that keep up-to-date with an abstract model for any app.… Read article

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Finite State Machines with React

As JavaScript applications on the web have grown more complex, so too has the complexity of dealing with state in those applications — state being the aggregate of all the data that an application needs to perform its function. Over the last several years, there has been a ton of great innovation in the realm of state management through tools like Redux, MobX, and Vuex. Something that hasn’t gotten quite as much attention, though, is state design.

What in … Read article

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Robust React User Interfaces with Finite State Machines

User interfaces can be expressed by two things:

  1. The state of the UI
  2. Actions that can change that state

From credit card payment devices and gas pump screens to the software that your company creates, user interfaces react to the actions of the user and other sources and change their state accordingly. This concept isn't just limited to technology, it's a fundamental part of how everything works:

For every action, there is an equal and opposite reaction.

- Isaac Newton

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