javascript/selenium-webdriver/test/fingerprint_test.js

// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

'use strict'

const assert = require('node:assert')

const test = require('../lib/test')
const Pages = test.Pages

test.suite(
  function (env) {
    let driver
    test.before(function () {
      driver = env.builder().build()
    })

    test.after(function () {
      driver.quit()
    })

    describe('fingerprinting', function () {
      test.it('it should fingerprint the navigator object', async function () {
        await driver.get(Pages.simpleTestPage)

        let wd = await driver.executeScript('return navigator.webdriver')
        assert.strictEqual(wd, true)
      })

      test.it('fingerprint must not be writable', async function () {
        await driver.get(Pages.simpleTestPage)

        let wd = await driver.executeScript('navigator.webdriver = "ohai"; return navigator.webdriver')
        assert.strictEqual(wd, true)
      })

      test.it('leaves fingerprint on svg pages', async function () {
        await driver.get(Pages.svgPage)

        let wd = await driver.executeScript('return navigator.webdriver')
        assert.strictEqual(wd, true)
      })
    })

    // Currently only implemented in legacy firefox.
  },
  { browsers: ['legacy-firefox'] },
)