Unit testing has become an integral part of the software development process. It is the level of testing at which the components of the software are tested. In this article, Fortune Ikechi will show you the core principles of testing, explore various libraries for testing an application, and see how to test units (or components) of a React Native application. By working with a React Native application, we’ll solidify our knowledge of testing.
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GreenSock Animation Platform (GSAP) is a set JavaScript functions that let you tween a value/attribute/CSS property over time and insert these tweens into a timeline for more complex animations. In this article, Blessing explains how GSAP plays well with the React library by integrating its functions into a React component in building an example landing page with a variety of animations.
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Postman allows you to manually test your APIs in both its desktop and web-based applications. However, it also has the ability for you to automate these tests by writing JavaScript assertions on your API endpoints. In this article, Kelvin Omereshone will learn how to write automated tests on web APIs with Postman. In order to follow along to this tutorial, you’ll need at least a fair amount of familiarity with Postman.
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Icons have long held an important place in the design of mobile apps. But beyond using them to create larger and more attractive touch targets, there are other ways mobile app designers can use these tiny elements to make an app more engaging. This post will explore four ways to do this. Today, Suzanna Scacca will look at a number of ways you can creatively add icons or icon-like elements to your apps and bring more life to them in the process.
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In this article, Abdulazeez Adeshina will show you what storybook is about and how to use it to build and test React components by building a simple application. He’ll start with a basic example that shows how to work with storybook, then will go ahead to create a storybook for a Table component which will hold students’ data. You should have basic knowledge of React and the use of NPM before proceeding with this article, as you’ll be building a handful of React components.
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MobX is a battle-tested library that makes state management simple and scalable by transparently applying functional reactive programming. It treats your application like a spreadsheet, and it’s one of the many state management tools available to React developers. In this tutorial, Fortune Ikechi is going to show you how to use MobX to manage state in React Native applications by building a React Native application to see how this is done.
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Ionic Framework provides first-class support for building fast and mobile-optimized applications for any platform using React. In this tutorial, Jerry Navi will show you how to build forms using Ionic React’s UI input components in this tutorial. You will also learn how to use a library to help with detecting form input changes and responding to validation rules. Finally, you will learn to make your forms accessible to screen readers by adding helpful text to your inputs’ ARIA attributes.
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Flask makes it possible for developers to build an API for whatever use case they might have. In this tutorial, Wole Oyekanmi will show you how to set up Google Cloud, Cloud SQL, and App Engine to build a Flask API. (Cloud SQL is a fully managed platform-as-a-service (PaaS) database engine, and App Engine is a fully managed PaaS for hosting applications.)
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Props and PropTypes are an important mechanism for passing information between React components, and we’re going to look into them in great detail here. This tutorial will introduce you to the details about props, passing and accessing props, and passing information to any component using props. However, it’s always a good practice to validate the data we are getting through props by using PropTypes. So, you will also learn how to integrate PropTypes in React.
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The first place Suzanne Scacca goes to whenever she’s curious about what more could be done to improve our users experiences is the Google Developers site or Think with Google to pull the latest consumer data. There’s a reason why Google dominates market share for things like search engines, web browsers, email clients and cloud storage services. It knows exactly what consumers want and it has designed simple, intuitive, and useful solutions for them. If there’s one company whose product features you should be mirroring, it’s Google.
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