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jest-lighthouse
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Helper functions to simplify Jest integration with Lighthouse
npm install -D jest-lighthouse
expect(lhr: ).toHaveLighthouseAudit(category: string, value?: <number | Score>)
This function check if lighthouse report pass audit
// jest-playwright.config.js
module.exports = {
...
launchType: 'LAUNCH',
launchOptions: {
args: ['--remote-debugging-port=9222'],
headless: true,
},
}
// test file
const { getLighthouseReport } = require("jest-lighthouse");
...
describe('Lighthouse', () => {
let lhr;
beforeAll(async () => {
const port = 9222; // same port as defined in launchOptions
lhr = await getLighthouseReport(url, port);
});
it('passes an seo audit through Lighthouse', async () => {
expect(lhr).toHaveLighthouseAudit('seo', 90);
});
})
...
// test file
const { getLighthouseReport } = require("jest-lighthouse");
...
describe('Lighthouse', () => {
jest.setTimeout(15000);
let lhr;
beforeAll(async () => {
const port = new URL(browser.wsEndpoint()).port;
lhr = await getLighthouseReport(url, port);
});
it('passes an accessibility audit through Lighthouse', async () => {
expect(lhr).toHaveLighthouseAudit('performance', 'perfect');
});
})
...
FAQs
Helper functions to simplify Jest integration with Lighthouse
The npm package jest-lighthouse receives a total of 0 weekly downloads. As such, jest-lighthouse popularity was classified as not popular.
We found that jest-lighthouse demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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