index.test.js•1.69 kB
const test = require('ava')
const os = require('os')
const { vanillaPuppeteer, addExtra } = require('../../test/util')
const {
getVanillaFingerPrint,
getStealthFingerPrint
} = require('../../test/util')
const Plugin = require('.')
const fingerprintFn = page => page.evaluate('navigator.hardwareConcurrency')
test('vanilla: matches real core count', async t => {
const { pageFnResult } = await getVanillaFingerPrint(fingerprintFn)
t.is(pageFnResult, os.cpus().length)
})
test('stealth: default is set to 4', async t => {
const { pageFnResult } = await getStealthFingerPrint(Plugin, fingerprintFn)
t.is(pageFnResult, 4)
})
test('stealth: will override value correctly', async t => {
const { pageFnResult } = await getStealthFingerPrint(Plugin, fingerprintFn, {
hardwareConcurrency: 8
})
t.is(pageFnResult, 8)
})
test('stealth: does patch getters properly', async t => {
const puppeteer = addExtra(vanillaPuppeteer).use(Plugin())
const browser = await puppeteer.launch({ headless: true })
const page = await browser.newPage()
const results = await page.evaluate(() => {
const hasInvocationError = (() => {
try {
// eslint-disable-next-line dot-notation
Object['seal'](Object.getPrototypeOf(navigator)['hardwareConcurrency'])
return false
} catch (err) {
return true
}
})()
return {
hasInvocationError,
toString: Object.getOwnPropertyDescriptor(
Object.getPrototypeOf(navigator),
'hardwareConcurrency'
).get.toString()
}
})
t.deepEqual(results, {
hasInvocationError: true,
toString: 'function get hardwareConcurrency() { [native code] }'
})
})