jest-codemods | Codemods for migrating to Jest https://githubcom/facebook/jest 👾 | Code Analyzer library

by skovhus TypeScript Version: 0.33.0 License: MIT

X-Ray Key Features Code Snippets Community Discussions(1)Vulnerabilities Install Support

kandi X-RAY | jest-codemods Summary

jest-codemods is a TypeScript library typically used in Code Quality, Code Analyzer applications. jest-codemods has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

Codemods for migrating to Jest

Support

Quality

Security

License

Reuse

Support

jest-codemods has a medium active ecosystem.

It has 851 star(s) with 94 fork(s). There are 7 watchers for this library.

There were 2 major release(s) in the last 6 months.

There are 22 open issues and 72 have been closed. On average issues are closed in 223 days. There are 12 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of jest-codemods is 0.33.0

Quality

jest-codemods has no bugs reported.

Security

jest-codemods has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

jest-codemods is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

jest-codemods releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

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jest-codemods Key Features

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jest-codemods Examples and Code Snippets

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Community Discussions

Trending Discussions on jest-codemods

What is the actual use of toContain() in expect?

QUESTION

What is the actual use of toContain() in expect?

Asked 2017-Oct-14 at 14:11

As we all know expect replaced with jest. Some property of expect also changes. One of them is toContain which was known as toInclude. You will find it here : https://github.com/skovhus/jest-codemods/blob/master/src/transformers/expect.js

My problem is when i am trying to use toContain in order to check whether a object match with another object,it showing me error. But earlier with toInclude it was just one line code. So as a replacement of toInclude I find it different,not exact the same.

This array works fine.

...

ANSWER

Answered 2017-Oct-14 at 10:18

From the documentation (highlights from me):

Use .toContain when you want to check that an item is in an array. For testing the items in the array, this uses ===, a strict equality check. .toContain can also check whether a string is a substring of another string.

So in summary, it tests if an array contains some value(s) or if a string contains a given chain of characters.

To test objects like in your example, you can use:

Source https://stackoverflow.com/questions/46742842

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install jest-codemods

You can download it from GitHub.

Support

Official Jest migration guide https://jestjs.io/docs/en/migration-guide"Migrating 2,000+ Specs from Karma to Jest" https://labs.contactually.com/migrating-2-000-specs-from-karma-to-jest-25dd8b0f3cfb"Into the Great Unknown — Migrating from Mocha to Jest" https://ebaytech.berlin/into-the-great-unknown-migrating-from-mocha-to-jest-3baced083c7e"Automate your migration to Jest using codemods" Egghead video https://egghead.io/lessons/jest-automate-your-migration-to-jest-using-codemods"Migrating Ava to Jest" https://codedaily.io/tutorials/11/Migrating-Ava-to-Jest"Switching from Ava to Jest for TypeScript" https://shift.infinite.red/switching-from-ava-to-jest-for-typescript-a6dac7d1712f"Migrating a Mocha project to Jest Test Framework" https://medium.com/@liran.tal/migrating-a-mocha-project-to-jest-test-framework-76d13d76685"Migrating to Jest on the P2P team at PayPal" https://blog.kentcdodds.com/migrating-to-jest-881f75366e7e

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