mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-23 09:52:26 +01:00
479 lines
15 KiB
JavaScript
479 lines
15 KiB
JavaScript
const { promises: fs } = require('fs');
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const { strict: assert } = require('assert');
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const { until, error: webdriverError, By, Key } = require('selenium-webdriver');
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const cssToXPath = require('css-to-xpath');
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/**
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* Temporary workaround to patch selenium's element handle API with methods
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* that match the playwright API for Elements
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*
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* @param {object} element - Selenium Element
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* @param driver
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* @returns {object} modified Selenium Element
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*/
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function wrapElementWithAPI(element, driver) {
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element.press = (key) => element.sendKeys(key);
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element.fill = async (input) => {
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// The 'fill' method in playwright replaces existing input
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await element.sendKeys(
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Key.chord(driver.Key.MODIFIER, 'a', driver.Key.BACK_SPACE),
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);
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await element.sendKeys(input);
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};
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element.waitForElementState = async (state, timeout) => {
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switch (state) {
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case 'hidden':
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return await driver.wait(until.stalenessOf(element), timeout);
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case 'visible':
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return await driver.wait(until.elementIsVisible(element), timeout);
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default:
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throw new Error(`Provided state: '${state}' is not supported`);
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}
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};
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return element;
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}
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/**
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* For Selenium WebDriver API documentation, see:
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* https://www.selenium.dev/selenium/docs/api/javascript/module/selenium-webdriver/index_exports_WebDriver.html
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*/
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class Driver {
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/**
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* @param {!ThenableWebDriver} driver - A {@code WebDriver} instance
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* @param {string} browser - The type of browser this driver is controlling
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* @param extensionUrl
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* @param {number} timeout
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*/
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constructor(driver, browser, extensionUrl, timeout = 10000) {
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this.driver = driver;
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this.browser = browser;
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this.extensionUrl = extensionUrl;
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this.timeout = timeout;
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// The following values are found in
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// https://github.com/SeleniumHQ/selenium/blob/trunk/javascript/node/selenium-webdriver/lib/input.js#L50-L110
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// These should be replaced with string constants 'Enter' etc for playwright.
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this.Key = {
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BACK_SPACE: '\uE003',
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ENTER: '\uE007',
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SPACE: '\uE00D',
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CONTROL: '\uE009',
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COMMAND: '\uE03D',
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MODIFIER: process.platform === 'darwin' ? Key.COMMAND : Key.CONTROL,
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};
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}
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async executeAsyncScript(script, ...args) {
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return this.driver.executeAsyncScript(script, args);
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}
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async executeScript(script, ...args) {
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return this.driver.executeScript(script, args);
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}
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buildLocator(locator) {
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if (typeof locator === 'string') {
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// If locator is a string we assume its a css selector
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return By.css(locator);
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} else if (locator.value) {
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// For backwards compatibility, checking if the locator has a value prop
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// tells us this is a Selenium locator
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return locator;
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} else if (locator.xpath) {
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// Providing an xpath prop to the object will consume the locator as an
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// xpath locator.
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return By.xpath(locator.xpath);
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} else if (locator.text) {
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// Providing a text prop, and optionally a tag or css prop, will use
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// xpath to look for an element with the tag that has matching text.
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if (locator.css) {
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// When providing css prop we use cssToXPath to build a xpath string
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// We provide two cases to check for, first a text node of the
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// element that matches the text provided OR we test the stringified
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// contents of the element in the case where text is split across
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// multiple children. In the later case non literal spaces are stripped
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// so we do the same with the input to provide a consistent API.
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const xpath = cssToXPath
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.parse(locator.css)
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.where(
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cssToXPath.xPathBuilder
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.string()
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.contains(locator.text)
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.or(
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cssToXPath.xPathBuilder
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.string()
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.contains(locator.text.split(' ').join('')),
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),
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)
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.toXPath();
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return By.xpath(xpath);
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}
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// The tag prop is optional and further refines which elements match
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return By.xpath(
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`//${locator.tag ?? '*'}[contains(text(), '${locator.text}')]`,
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);
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}
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throw new Error(
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`The locator '${locator}' is not supported by the E2E test driver`,
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);
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}
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async fill(rawLocator, input) {
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const element = await this.findElement(rawLocator);
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await element.fill(input);
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return element;
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}
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async press(rawLocator, keys) {
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const element = await this.findElement(rawLocator);
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await element.press(keys);
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return element;
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}
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async delay(time) {
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await new Promise((resolve) => setTimeout(resolve, time));
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}
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async wait(condition, timeout = this.timeout) {
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await this.driver.wait(condition, timeout);
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}
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async waitForSelector(
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rawLocator,
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{ timeout = this.timeout, state = 'visible' } = {},
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) {
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// Playwright has a waitForSelector method that will become a shallow
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// replacement for the implementation below. It takes an option options
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// bucket that can include the state attribute to wait for elements that
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// match the selector to be removed from the DOM.
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const selector = this.buildLocator(rawLocator);
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let element;
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if (!['visible', 'detached'].includes(state)) {
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throw new Error(`Provided state selector ${state} is not supported`);
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}
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if (state === 'visible') {
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element = await this.driver.wait(until.elementLocated(selector), timeout);
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} else if (state === 'detached') {
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element = await this.driver.wait(
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until.stalenessOf(await this.findElement(selector)),
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timeout,
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);
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}
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return wrapElementWithAPI(element, this);
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}
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async quit() {
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await this.driver.quit();
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}
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// Element interactions
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async findElement(rawLocator) {
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const locator = this.buildLocator(rawLocator);
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const element = await this.driver.wait(
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until.elementLocated(locator),
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this.timeout,
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);
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return wrapElementWithAPI(element, this);
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}
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async findVisibleElement(rawLocator) {
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const locator = this.buildLocator(rawLocator);
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const element = await this.findElement(locator);
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await this.driver.wait(until.elementIsVisible(element), this.timeout);
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return wrapElementWithAPI(element, this);
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}
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async findClickableElement(rawLocator) {
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const locator = this.buildLocator(rawLocator);
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const element = await this.findElement(locator);
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await Promise.all([
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this.driver.wait(until.elementIsVisible(element), this.timeout),
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this.driver.wait(until.elementIsEnabled(element), this.timeout),
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]);
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return wrapElementWithAPI(element, this);
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}
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async findElements(rawLocator) {
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const locator = this.buildLocator(rawLocator);
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const elements = await this.driver.wait(
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until.elementsLocated(locator),
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this.timeout,
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);
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return elements.map((element) => wrapElementWithAPI(element, this));
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}
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async findClickableElements(rawLocator) {
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const locator = this.buildLocator(rawLocator);
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const elements = await this.findElements(locator);
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await Promise.all(
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elements.reduce((acc, element) => {
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acc.push(
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this.driver.wait(until.elementIsVisible(element), this.timeout),
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this.driver.wait(until.elementIsEnabled(element), this.timeout),
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);
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return acc;
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}, []),
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);
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return elements.map((element) => wrapElementWithAPI(element, this));
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}
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async clickElement(rawLocator) {
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const locator = this.buildLocator(rawLocator);
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const element = await this.findClickableElement(locator);
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await element.click();
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}
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async clickPoint(rawLocator, x, y) {
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const locator = this.buildLocator(rawLocator);
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const element = await this.findElement(locator);
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await this.driver
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.actions()
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.move({ origin: element, x, y })
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.click()
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.perform();
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}
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async scrollToElement(element) {
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await this.driver.executeScript(
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'arguments[0].scrollIntoView(true)',
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element,
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);
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}
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async assertElementNotPresent(rawLocator) {
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const locator = this.buildLocator(rawLocator);
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let dataTab;
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try {
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dataTab = await this.findElement(locator);
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} catch (err) {
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assert(
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err instanceof webdriverError.NoSuchElementError ||
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err instanceof webdriverError.TimeoutError,
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);
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}
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assert.ok(!dataTab, 'Found element that should not be present');
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}
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async isElementPresent(rawLocator) {
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try {
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await this.findElement(rawLocator);
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return true;
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} catch (err) {
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return false;
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}
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}
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/**
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* Paste a string into a field.
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*
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* @param {string} rawLocator - The element locator.
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* @param {string} contentToPaste - The content to paste.
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*/
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async pasteIntoField(rawLocator, contentToPaste) {
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// Throw if double-quote is present in content to paste
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// so that we don't have to worry about escaping double-quotes
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if (contentToPaste.includes('"')) {
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throw new Error('Cannot paste content with double-quote');
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}
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// Click to focus the field
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await this.clickElement(rawLocator);
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await this.executeScript(
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`navigator.clipboard.writeText("${contentToPaste}")`,
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);
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await this.fill(rawLocator, Key.chord(this.Key.MODIFIER, 'v'));
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}
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// Navigation
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async navigate(page = Driver.PAGES.HOME) {
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return await this.driver.get(`${this.extensionUrl}/${page}.html`);
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}
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async getCurrentUrl() {
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return await this.driver.getCurrentUrl();
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}
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// Metrics
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async collectMetrics() {
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return await this.driver.executeScript(collectMetrics);
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}
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// Window management
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async openNewPage(url) {
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const newHandle = await this.driver.switchTo().newWindow();
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await this.driver.get(url);
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return newHandle;
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}
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async switchToWindow(handle) {
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await this.driver.switchTo().window(handle);
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}
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async switchToFrame(element) {
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await this.driver.switchTo().frame(element);
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}
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async getAllWindowHandles() {
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return await this.driver.getAllWindowHandles();
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}
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async waitUntilXWindowHandles(x, delayStep = 1000, timeout = 5000) {
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let timeElapsed = 0;
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let windowHandles = [];
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while (timeElapsed <= timeout) {
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windowHandles = await this.driver.getAllWindowHandles();
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if (windowHandles.length === x) {
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return windowHandles;
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}
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await this.delay(delayStep);
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timeElapsed += delayStep;
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}
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throw new Error('waitUntilXWindowHandles timed out polling window handles');
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}
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async switchToWindowWithTitle(
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title,
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initialWindowHandles,
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delayStep = 1000,
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timeout = 5000,
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) {
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let windowHandles =
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initialWindowHandles || (await this.driver.getAllWindowHandles());
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let timeElapsed = 0;
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while (timeElapsed <= timeout) {
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for (const handle of windowHandles) {
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await this.driver.switchTo().window(handle);
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const handleTitle = await this.driver.getTitle();
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if (handleTitle === title) {
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return handle;
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}
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}
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await this.delay(delayStep);
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timeElapsed += delayStep;
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// refresh the window handles
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windowHandles = await this.driver.getAllWindowHandles();
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}
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throw new Error(`No window with title: ${title}`);
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}
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/**
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* Closes all windows except those in the given list of exceptions
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*
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* @param {Array<string>} exceptions - The list of window handle exceptions
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* @param {Array} [windowHandles] - The full list of window handles
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* @returns {Promise<void>}
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*/
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async closeAllWindowHandlesExcept(exceptions, windowHandles) {
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// eslint-disable-next-line no-param-reassign
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windowHandles = windowHandles || (await this.driver.getAllWindowHandles());
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for (const handle of windowHandles) {
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if (!exceptions.includes(handle)) {
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await this.driver.switchTo().window(handle);
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await this.delay(1000);
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await this.driver.close();
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await this.delay(1000);
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}
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}
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}
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// Error handling
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async verboseReportOnFailure(title) {
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const artifactDir = `./test-artifacts/${this.browser}/${title}`;
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const filepathBase = `${artifactDir}/test-failure`;
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await fs.mkdir(artifactDir, { recursive: true });
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const isPageError = await this.isElementPresent('.error-page__details');
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if (isPageError) {
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await this.clickElement('.error-page__details');
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}
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const screenshot = await this.driver.takeScreenshot();
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await fs.writeFile(`${filepathBase}-screenshot.png`, screenshot, {
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encoding: 'base64',
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});
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const htmlSource = await this.driver.getPageSource();
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await fs.writeFile(`${filepathBase}-dom.html`, htmlSource);
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const uiState = await this.driver.executeScript(
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() => window.getCleanAppState && window.getCleanAppState(),
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);
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await fs.writeFile(
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`${filepathBase}-state.json`,
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JSON.stringify(uiState, null, 2),
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);
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}
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async checkBrowserForLavamoatLogs() {
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const browserLogs = (
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await fs.readFile(
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`${process.cwd()}/test-artifacts/chrome/chrome_debug.log`,
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)
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)
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.toString('utf-8')
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.split(/\r?\n/u);
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await fs.writeFile('/tmp/all_logs.json', JSON.stringify(browserLogs));
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return browserLogs;
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}
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async checkBrowserForConsoleErrors() {
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const ignoredLogTypes = ['WARNING'];
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const ignoredErrorMessages = [
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// Third-party Favicon 404s show up as errors
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'favicon.ico - Failed to load resource: the server responded with a status of 404',
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// Sentry rate limiting
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'Failed to load resource: the server responded with a status of 429',
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// 4Byte
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'Failed to load resource: the server responded with a status of 502 (Bad Gateway)',
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];
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const browserLogs = await this.driver.manage().logs().get('browser');
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const errorEntries = browserLogs.filter(
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(entry) => !ignoredLogTypes.includes(entry.level.toString()),
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);
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const errorObjects = errorEntries.map((entry) => entry.toJSON());
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return errorObjects.filter(
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(entry) =>
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!ignoredErrorMessages.some((message) =>
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entry.message.includes(message),
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),
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);
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}
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}
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function collectMetrics() {
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const results = {
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paint: {},
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navigation: [],
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};
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window.performance.getEntriesByType('paint').forEach((paintEntry) => {
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results.paint[paintEntry.name] = paintEntry.startTime;
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});
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window.performance
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.getEntriesByType('navigation')
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.forEach((navigationEntry) => {
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results.navigation.push({
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domContentLoaded: navigationEntry.domContentLoadedEventEnd,
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load: navigationEntry.loadEventEnd,
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domInteractive: navigationEntry.domInteractive,
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redirectCount: navigationEntry.redirectCount,
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type: navigationEntry.type,
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});
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});
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return results;
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}
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Driver.PAGES = {
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BACKGROUND: 'background',
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HOME: 'home',
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NOTIFICATION: 'notification',
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POPUP: 'popup',
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};
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module.exports = Driver;
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