react-native-testing-library
msw
react-native-testing-library | msw | |
---|---|---|
15 | 149 | |
2,964 | 14,848 | |
0.4% | 1.4% | |
8.7 | 9.2 | |
3 days ago | 8 days ago | |
TypeScript | TypeScript | |
MIT License | MIT License |
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react-native-testing-library
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Unit Testing Expo Apps With Jest
Testing library: @testing-library/react-native
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Unit Tests using jest and react-native-testing-library.
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.
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Learn how to perform unit testing in React Native with Jest.
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!
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Performance Regression Testing for React Native
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.
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Starting React Native Project in 2023
Tests with Jest and React Native Testing Library.
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What testing library do you use for react native automated testing
The standard is React Native Testing Library for unit and integration tests, and Detox for E2E tests.
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Continuous App Performance Monitoring Made Simple with Reassure
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.
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React Native Testing Library doesn't find text even though its in debug
I'm building a React Native application with TypeScript. I'm using React Native Testing Library for my component tests.
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Does React Native production app contain devDependencies?
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.
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Testing redux in react native with testing library
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.
msw
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Modern React testing, part 5: Playwright
We’re going to use Mock Service Worker (MSW) for mocking network requests in our integration tests and in the app during development.
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Easier TypeScript API Testing with Vitest + MSW
However, I discovered a great combination that transformed my API call testing in TypeScript: Vitest and Mock Service Worker (MSW). Their well-crafted design makes them incredibly easy to use, enhancing the overall testing experience.
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Creating mocks for testing react code
While mocks are effective, they require modifying the component's internal logic or mocking global functions like fetch. This can become cumbersome for complex components with numerous API interactions. Here's where MSW shines.
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Storybook 8
> For those wondering what the use case is, you must not have tried it. It does take work to set up (with each version that's less), but it can be very nice to test in isolation esp in cases where a component is under a login, the 4th page of a 10 page form, etc. Also obviously if you're working on a component library that ships without an app, Storybook can be your development and/or demo app.
I have worked with storybook extensively over the past couple of years and my team is moving away from it in favour of MSW (https://mswjs.io).
For "4th page of a 10 page form" during the development there's hot reloading which is really stable nowadays and haven't failed me, although I understand that some setups are old and it might be easier to configure Storybook than good hot reloading.
I'm not entirely sure about the testing part of it and I'd be grateful if you could elaborate. I haven't felt the need for some special setup with SB because for unit tests, I can test a deeply nested component separately. For E2E tests, I usually test the whole form.
I agree on the component library part, this is probably the only use case where Storybook is 100% justified, but I'm unconvinced about the
Additionally, thank you to all our community launch partners across the frontend ecosystem for helping us bring Storybook 8 to the world! Thanks to Chromatic, Figma, ViteConf, Omlet, DivRiots, story.to.design, StackBlitz, UXpin, Nx, Mock Service Worker, Anima, Zeplin, zeroheight, kickstartDS, and Kendo UI.
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I made "TypeScript Swagger Editor", new type of Swagger UI writing TypeScript code in the browser
similar with msw.js, but fully automated
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Partial: how not to mock the whole world
they could be network mocks (use msw)
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How to Automatically Consume RESTful APIs in Your Frontend
With orval, we can also integrate the API client in our unit tests. Orval provides first class support for mocking through the (Mock Service Worker)[https://mswjs.io/] library, and it can automatically generate the MSW handlers for testing server.
- Polly.js – Record, replay, and stub HTTP interactions
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How to Successfully Integrate with Legacy APIs Using NodeJS
Consider a hypothetical scenario where data from a list of companies within an ERP needs to be retrieved. As a personal recommendation, leverage tools like MSW for top-level mocks, which can significantly enhance the testing process.
What are some alternatives?
react-native-geolocation-service - React native geolocation service for iOS and android
Nock - HTTP server mocking and expectations library for Node.js
card-validator - Validate credit cards as users type.
rtk-query - Data fetching and caching addon for Redux Toolkit
bdd-lazy-var - Provides UI for testing frameworks such as mocha, jasmine and jest which allows to define lazy variables and subjects.
miragejs - A client-side server to build, test and share your JavaScript app
react-native-maps - React Native Mapview component for iOS + Android
mockoon - Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
Detox - Gray box end-to-end testing and automation framework for mobile apps
prism - Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
credit-card-form - [Moved to: https://github.com/halilb/rn-credit-card]
axios - Promise based HTTP client for the browser and node.js