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 1 major release(s) in the last 12 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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