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49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
const { readFile } = require('fs').promises;
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const os = require('os');
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const path = require('path');
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const puppeteer = require('puppeteer');
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const NodeEnvironment = require('jest-environment-node');
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const DIR = path.join(os.tmpdir(), 'jest_puppeteer_global_setup');
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/**
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* Custom Puppeteer environment as documented on https://jestjs.io/docs/puppeteer.
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* We don’t use jest-puppeteer because it’s unreliable.
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*/
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class PuppeteerEnvironment extends NodeEnvironment {
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async setup() {
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await super.setup();
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// get the wsEndpoint
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const wsEndpoint = await readFile(path.join(DIR, 'wsEndpoint'), 'utf8');
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if (!wsEndpoint) {
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throw new Error('wsEndpoint not found');
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}
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this.global.TEST_ORIGIN =
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process.env.TEST_ORIGIN ?? 'http://localhost:8000';
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// connect to puppeteer
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this.global.browser = await puppeteer.connect({
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browserWSEndpoint: wsEndpoint,
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defaultViewport: {
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width: 1024,
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height: 768,
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},
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});
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this.global.page = await this.global.browser.newPage();
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}
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async teardown() {
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await this.global.page.close();
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await super.teardown();
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}
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getVmContext() {
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return super.getVmContext();
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}
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}
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module.exports = PuppeteerEnvironment;
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