Security News
New Python Packaging Proposal Aims to Solve Phantom Dependency Problem with SBOMs
PEP 770 proposes adding SBOM support to Python packages to improve transparency and catch hidden non-Python dependencies that security tools often miss.
This package is a Jest test runner using default configs similar to Create React App.
This package is a Jest test runner using default configs similar to Create React App.
We assume that you tests are included inside the src
folder just as CRA does, but all this can be configured.
All documentation regarding Jest can be found here.
# Using NPM
npm i -D jest-run
# Using Yarn
yarn add -D jest-run
To run your tests, just add a new script in your package.json
and run the test command:
// package.json
{
"scripts": {
"test": "jest-run --env=jsdom"
}
}
npm test
Remove --env=jsdom
if you do not run tests that need a document
nor a window
object defined - e.g. node tests.
By default running tests runs the watcher with interactive CLI. However, you can force it to run tests once and finish the process by setting an environment variable called CI.
Popular CI servers already set the environment variable CI by default but you can do this yourself too:
set CI=true&&npm test
(Note: the lack of whitespace is intentional.)
($env:CI = $true) -and (npm test)
CI=true npm test
If your app uses a browser API that you need to mock in your tests or if you just need a global setup before running your tests, add a src/setupTests.js
to your project. It will be automatically executed before running your tests.
For example:
// src/setupTests.js
const localStorageMock = {
getItem: jest.fn(),
setItem: jest.fn(),
clear: jest.fn()
};
global.localStorage = localStorageMock;
More and more in your application you import files that are not readable by NodeJS like images, fonts, CSS, ... and this breaks the environment when running tests.
By default with this runner we:
.js|.jsx
files using babel so you can use newer JS syntax.css
fileIf you wish to customize the Jest configuration even more, you can overwrite rules by adding a jest
object to your package.json
or creating a jest.config.js
:
// package.json
{
"name": "my-project",
"jest": {
"verbose": true
}
}
// jest.config.js
module.exports = {
verbose: true
};
Jest configuration properties can be found here.
FAQs
This package is a Jest test runner using default configs similar to Create React App.
We found that jest-run demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 11 open source maintainers collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
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