react-native-testing-library VS async-storage

Testing library: @testing-library/react-native

Has anyone recently done unit tests in RN using jest and https://callstack.github.io/react-native-testing-library/. I’m struggling to mock all the libraries. The example given in testing-library seems to doesn’t need to mock all the libraries but in my case it throws error. I’ve also added ‘transformIgnorePatterns’ in package.json. Any help or repo would be helpful.

This article offers an overview of React Native testing, but there’s so much more to learn! I encourage you to explore other testing techniques and tools, like Snapshot Testing, Detox, and React Native Testing Library. Choose the ones that work best for your project, and keep learning!

Introducing a new tool means introducing a new workflow. This can lead to lower adoption, as developers need to to get familiar with it in the first place. To prevent that from happening, we've based Reassure on https://callstack.github.io/react-native-testing-library/ API as something React Native developers should be familiar with.

Tests with Jest and React Native Testing Library.

The standard is React Native Testing Library for unit and integration tests, and Detox for E2E tests.

Using our experience from developing the React Native Testing Library, we created Reassure—a performance regression testing companion for React and React Native components. We developed it in partnership with Entain – one of the world’s largest sports betting and gaming groups.

I'm building a React Native application with TypeScript. I'm using React Native Testing Library for my component tests.

I faced the following issue https://github.com/callstack/react-native-testing-library/issues/955. Production build is failed and error points to the library from devDependencies.

In this tutorial, we'll be using react native testing library and the main philosophy of this library is focusing on testing how your application works, instead of its implementation.

\[@RNC/AsyncStorage\]: NativeModule: AsyncStorage is null. To fix this issue try these steps: • Rebuild and restart the app. • Run the packager with \`--reset-cache\` flag. • If you are using CocoaPods on iOS, run \`pod install\` in the \`ios\` directory and then rebuild and re-run the app. • If this happens while testing with Jest, check out docs how to integrate AsyncStorage with it: https://react-native-async-storage.github.io/async-storage/docs/advanced/jest If none of these fix the issue, please open an issue on the Github repository: https://github.com/react-native-async-storage/async-storage/issues 5 | import { ReactQueryDevtools } from '@tanstack/react-query-devtools'; 6 | import { Platform } from 'react-native'; > 7 | import AsyncStorage from '@react-native-async-storage/async-storage';

Storage: redux-persist, @react-native-async-storage/async-storage

You want this: react-native-async-storage

What do you mean by local storage? The browser based localStorage API does not exist by default in react-native. There is an analogue though... The most basic package that most people use, AsyncStorage is just a string based key-value store: https://github.com/react-native-async-storage/async-storage . It's very useful for anything simple. It also has a merge function which lets you automatically update stringified JSON objects without unpacking them and doing the modifications yourself.

Android - SQLite

Since the original React Native AsyncStorage was deprecated, you may be using the community solution: react-native-async-storage. I would personally recommend it!

I think that you using a deprecated package to store your state. Verify if you are using https://github.com/react-native-async-storage/async-storage.

State management, orchestrating HTTP requests, synchronizing client and server state: all these things will apply to React Native. The differences will only arise when the device layer comes into play (for example, if you have to store data on the client, window.localStorage doesn’t exist, but AsyncStorage does.)