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104 lines
3.0 KiB
104 lines
3.0 KiB
const fs = require('fs')
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const os = require('os')
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const path = require('path')
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const { Builder, By, until } = require('selenium-webdriver')
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const firefox = require('selenium-webdriver/firefox')
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const { Command } = require('selenium-webdriver/lib/command')
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/**
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* The prefix for temporary Firefox profiles. All Firefox profiles used for e2e tests
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* will be created as random directories inside this.
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* @type {string}
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*/
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const TEMP_PROFILE_PATH_PREFIX = path.join(os.tmpdir(), 'MetaMask-Fx-Profile')
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const GeckoDriverCommand = {
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INSTALL_ADDON: 'install addon',
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}
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/**
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* A wrapper around a {@code WebDriver} instance exposing Firefox-specific functionality
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*/
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class FirefoxDriver {
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/**
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* Builds a {@link FirefoxDriver} instance
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* @param {{extensionPath: string}} options - the options for the build
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* @returns {Promise<{driver: !ThenableWebDriver, extensionUrl: string, extensionId: string}>}
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*/
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static async build ({ extensionPath, responsive, port }) {
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const templateProfile = fs.mkdtempSync(TEMP_PROFILE_PATH_PREFIX)
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const options = new firefox.Options()
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.setProfile(templateProfile)
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const builder = new Builder()
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.forBrowser('firefox')
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.setFirefoxOptions(options)
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if (port) {
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const service = new firefox.ServiceBuilder()
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.setPort(port)
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builder.setFirefoxService(service)
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}
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const driver = builder.build()
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const fxDriver = new FirefoxDriver(driver)
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await fxDriver.init()
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const extensionId = await fxDriver.installExtension(extensionPath)
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const internalExtensionId = await fxDriver.getInternalId()
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if (responsive) {
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await driver.manage().window().setRect({ width: 320, height: 600 })
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}
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return {
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driver,
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extensionId,
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extensionUrl: `moz-extension://${internalExtensionId}`,
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}
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}
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/**
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* @constructor
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* @param {!ThenableWebDriver} driver - a {@code WebDriver} instance
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*/
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constructor (driver) {
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this._driver = driver
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}
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/**
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* Initializes the driver
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* @returns {Promise<void>}
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*/
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async init () {
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await this._driver.getExecutor()
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.defineCommand(
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GeckoDriverCommand.INSTALL_ADDON,
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'POST',
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'/session/:sessionId/moz/addon/install',
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)
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}
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/**
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* Installs the extension at the given path
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* @param {string} addonPath - the path to the unpacked extension or XPI
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* @returns {Promise<string>} - the extension ID
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*/
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async installExtension (addonPath) {
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const cmd = new Command(GeckoDriverCommand.INSTALL_ADDON)
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.setParameter('path', path.resolve(addonPath))
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.setParameter('temporary', true)
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return await this._driver.execute(cmd)
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}
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/**
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* Returns the Internal UUID for the given extension
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* @returns {Promise<string>} - the Internal UUID for the given extension
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*/
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async getInternalId () {
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await this._driver.get('about:debugging#addons')
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return await this._driver.wait(until.elementLocated(By.xpath('//dl/div[contains(., \'Internal UUID\')]/dd')), 1000).getText()
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}
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}
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module.exports = FirefoxDriver
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