/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import assert from 'node:assert';
import os from 'node:os';
import path from 'node:path';
import {describe, it} from 'node:test';
import {executablePath} from 'puppeteer';
import {launch} from '../src/browser.js';
describe('browser', () => {
it('cannot launch multiple times with the same profile', async () => {
const tmpDir = os.tmpdir();
const folderPath = path.join(tmpDir, `temp-folder-${crypto.randomUUID()}`);
const browser1 = await launch({
headless: true,
isolated: false,
userDataDir: folderPath,
executablePath: executablePath(),
devtools: false,
});
try {
try {
const browser2 = await launch({
headless: true,
isolated: false,
userDataDir: folderPath,
executablePath: executablePath(),
devtools: false,
});
await browser2.close();
assert.fail('not reached');
} catch (err) {
assert.strictEqual(
err.message,
`The browser is already running for ${folderPath}. Use --isolated to run multiple browser instances.`,
);
}
} finally {
await browser1.close();
}
});
it('launches with the initial viewport', async () => {
const tmpDir = os.tmpdir();
const folderPath = path.join(tmpDir, `temp-folder-${crypto.randomUUID()}`);
const browser = await launch({
headless: true,
isolated: false,
userDataDir: folderPath,
executablePath: executablePath(),
viewport: {
width: 1501,
height: 801,
},
devtools: false,
});
try {
const [page] = await browser.pages();
const result = await page.evaluate(() => {
return {width: window.innerWidth, height: window.innerHeight};
});
assert.deepStrictEqual(result, {
width: 1501,
height: 801,
});
} finally {
await browser.close();
}
});
});