webdriverio-automation
Version:
WebdriverIO-Automation android ios project
228 lines (178 loc) • 26.1 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getImgElFromArgs = getImgElFromArgs;
exports.makeImageElementCache = makeImageElementCache;
exports.DEFAULT_TEMPLATE_IMAGE_SCALE = exports.IMAGE_EL_TAP_STRATEGY_W3C = exports.IMAGE_EL_TAP_STRATEGY_MJSONWP = exports.ImageElement = void 0;
require("source-map-support/register");
var _lodash = _interopRequireDefault(require("lodash"));
var _2 = require("../..");
var _lruCache = _interopRequireDefault(require("lru-cache"));
var _protocol = require("../protocol/protocol");
var _logger = _interopRequireDefault(require("./logger"));
var _uuidJs = _interopRequireDefault(require("uuid-js"));
const MAX_CACHE_SIZE = 1024 * 1024 * 40;
const TAP_DURATION_MS = 125;
const IMAGE_EL_TAP_STRATEGY_W3C = 'w3cActions';
exports.IMAGE_EL_TAP_STRATEGY_W3C = IMAGE_EL_TAP_STRATEGY_W3C;
const IMAGE_EL_TAP_STRATEGY_MJSONWP = 'touchActions';
exports.IMAGE_EL_TAP_STRATEGY_MJSONWP = IMAGE_EL_TAP_STRATEGY_MJSONWP;
const IMAGE_TAP_STRATEGIES = [IMAGE_EL_TAP_STRATEGY_MJSONWP, IMAGE_EL_TAP_STRATEGY_W3C];
const DEFAULT_TEMPLATE_IMAGE_SCALE = 1.0;
exports.DEFAULT_TEMPLATE_IMAGE_SCALE = DEFAULT_TEMPLATE_IMAGE_SCALE;
class ImageElement {
constructor(b64Template, rect, b64Result = null) {
this.template = b64Template;
this.rect = rect;
this.id = `${_protocol.IMAGE_ELEMENT_PREFIX}${_uuidJs.default.create().hex}`;
this.b64MatchedImage = b64Result;
}
get size() {
return {
width: this.rect.width,
height: this.rect.height
};
}
get location() {
return {
x: this.rect.x,
y: this.rect.y
};
}
get center() {
return {
x: this.rect.x + this.rect.width / 2,
y: this.rect.y + this.rect.height / 2
};
}
get matchedImage() {
return this.b64MatchedImage;
}
asElement(protocolKey) {
return {
[protocolKey]: this.id
};
}
equals(other) {
return this.rect.x === other.rect.x && this.rect.y === other.rect.y && this.rect.width === other.rect.width && this.rect.height === other.rect.height;
}
async click(driver) {
let newImgEl;
const {
autoUpdateImageElementPosition: updatePos,
checkForImageElementStaleness,
imageElementTapStrategy
} = driver.settings.getSettings();
if (!IMAGE_TAP_STRATEGIES.includes(imageElementTapStrategy)) {
throw new Error(`Incorrect imageElementTapStrategy setting ` + `'${imageElementTapStrategy}'. Must be one of ` + JSON.stringify(IMAGE_TAP_STRATEGIES));
}
if (checkForImageElementStaleness || updatePos) {
_logger.default.info('Checking image element for staleness before clicking');
try {
newImgEl = await driver.findByImage(this.template, {
shouldCheckStaleness: true,
ignoreDefaultImageTemplateScale: true
});
} catch (err) {
throw new _2.errors.StaleElementReferenceError();
}
if (!this.equals(newImgEl)) {
_logger.default.warn(`When trying to click on an image element, the image changed ` + `position from where it was originally found. It is now at ` + `${JSON.stringify(newImgEl.rect)} and was originally at ` + `${JSON.stringify(this.rect)}.`);
if (updatePos) {
_logger.default.warn('Click will proceed at new coordinates');
this.rect = _lodash.default.clone(newImgEl.rect);
} else {
_logger.default.warn('Click will take place at original coordinates. If you ' + 'would like Appium to automatically click the new ' + "coordinates, set the 'autoUpdateImageElementPosition' " + 'setting to true');
}
}
}
const {
x,
y
} = this.center;
_logger.default.info(`Will tap on image element at coordinate [${x}, ${y}]`);
if (imageElementTapStrategy === IMAGE_EL_TAP_STRATEGY_W3C) {
_logger.default.info('Will tap using W3C actions');
const action = {
type: 'pointer',
id: 'mouse',
parameters: {
pointerType: 'touch'
},
actions: [{
type: 'pointerMove',
x,
y,
duration: 0
}, {
type: 'pointerDown'
}, {
type: 'pause',
duration: TAP_DURATION_MS
}, {
type: 'pointerUp'
}]
};
if (driver.performActions) {
return await driver.performActions([action]);
}
_logger.default.warn('Driver does not seem to implement W3C actions, falling back ' + 'to TouchActions');
}
_logger.default.info('Will tap using MJSONWP TouchActions');
const action = {
action: 'tap',
options: {
x,
y
}
};
if (driver.performTouch) {
return await driver.performTouch([action]);
}
throw new Error("Driver did not implement the 'performTouch' command. " + 'For drivers to support finding image elements, they ' + "should support 'performTouch' and 'performActions'");
}
static async execute(driver, cmd, imgElId, ...args) {
if (!driver._imgElCache.has(imgElId)) {
throw new _2.errors.NoSuchElementError();
}
const imgEl = driver._imgElCache.get(imgElId);
switch (cmd) {
case 'click':
return await imgEl.click(driver);
case 'elementDisplayed':
return true;
case 'getSize':
return imgEl.size;
case 'getLocation':
case 'getLocationInView':
return imgEl.location;
case 'getElementRect':
return imgEl.rect;
case 'getAttribute':
if (args[0] === 'visual') {
return imgEl.matchedImage;
} else {
throw new _2.errors.NotYetImplementedError();
}
default:
throw new _2.errors.NotYetImplementedError();
}
}
}
exports.ImageElement = ImageElement;
function makeImageElementCache(max = MAX_CACHE_SIZE) {
return new _lruCache.default({
max,
length: el => el.template.length
});
}
function getImgElFromArgs(args) {
for (let arg of args) {
if (_lodash.default.isString(arg) && arg.startsWith(_protocol.IMAGE_ELEMENT_PREFIX)) {
return arg;
}
}
}require('source-map-support').install();
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_ from 'lodash';\nimport { errors } from '../..';\nimport LRU from 'lru-cache';\nimport { IMAGE_ELEMENT_PREFIX } from '../protocol/protocol';\nimport log from './logger';\nimport UUID from 'uuid-js';\n\nconst MAX_CACHE_SIZE = 1024 * 1024 * 40; // 40mb\nconst TAP_DURATION_MS = 125;\nconst IMAGE_EL_TAP_STRATEGY_W3C = 'w3cActions';\nconst IMAGE_EL_TAP_STRATEGY_MJSONWP = 'touchActions';\nconst IMAGE_TAP_STRATEGIES = [\n  IMAGE_EL_TAP_STRATEGY_MJSONWP,\n  IMAGE_EL_TAP_STRATEGY_W3C\n];\nconst DEFAULT_TEMPLATE_IMAGE_SCALE = 1.0;\n\n/**\n * @typedef {Object} Rect\n * @property {int} x - x-coordinate of top-left corner\n * @property {int} y - y-coordinate of top-left corner\n * @property {int} width - width of rect\n * @property {int} height - height of rect\n */\n\n/**\n * @typedef {Object} Dimension\n * @property {int} width - width of rect\n * @property {int} height - height of rect\n */\n\n/**\n * @typedef {Object} Position\n * @property {int} x - x coordinate\n * @property {int} y - y coordinate\n */\n\n/**\n * Representation of an \"image element\", which is simply a set of coordinates\n * and methods that can be used on that set of coordinates via the driver\n */\nclass ImageElement {\n\n  /**\n   * @param {string} b64Template - the base64-encoded image which was used to\n   *                               find this ImageElement\n   * @param {Rect} rect - bounds of matched image element\n   * @param {?string} b64Result - the base64-encoded image which has matched marks.\n   *                              Defaults to null.\n   *\n   * @returns {ImageElement}\n   */\n  constructor (b64Template, rect, b64Result = null) {\n    this.template = b64Template;\n    this.rect = rect;\n    this.id = `${IMAGE_ELEMENT_PREFIX}${UUID.create().hex}`;\n    this.b64MatchedImage = b64Result;\n  }\n\n  /**\n   * @returns {Dimension} - dimension of element\n   */\n  get size () {\n    return {width: this.rect.width, height: this.rect.height};\n  }\n\n  /**\n   * @returns {Position} - coordinates of top-left corner of element\n   */\n  get location () {\n    return {x: this.rect.x, y: this.rect.y};\n  }\n\n  /**\n   * @returns {Position} - coordinates of center of element\n   */\n  get center () {\n    return {\n      x: this.rect.x + this.rect.width / 2,\n      y: this.rect.y + this.rect.height / 2,\n    };\n  }\n\n  /**\n   * @returns {?string} - the base64-encoded image which has matched marks\n   */\n  get matchedImage () {\n    return this.b64MatchedImage;\n  }\n\n  /**\n   * @param {string} protocolKey - the protocol-specific JSON key for\n   * a WebElement\n   *\n   * @returns {WebElement} - this image element as a WebElement\n   */\n  asElement (protocolKey) {\n    return {[protocolKey]: this.id};\n  }\n\n  /**\n   * @param {ImageElement} other - an ImageElement to compare with this one\n   *\n   * @returns {boolean} - whether the other element and this one have the same\n   * properties\n   */\n  equals (other) {\n    return this.rect.x === other.rect.x &&\n           this.rect.y === other.rect.y &&\n           this.rect.width === other.rect.width &&\n           this.rect.height === other.rect.height;\n  }\n\n  /**\n   * Use a driver to tap the screen at the center of this ImageElement's\n   * position\n   *\n   * @param {BaseDriver} driver - driver for calling actions with\n   */\n  async click (driver) {\n    // before we click we need to make sure the element is actually still there\n    // where we expect it to be\n    let newImgEl;\n    const {\n      autoUpdateImageElementPosition: updatePos,\n      checkForImageElementStaleness,\n      imageElementTapStrategy,\n    } = driver.settings.getSettings();\n\n    // validate tap strategy\n    if (!IMAGE_TAP_STRATEGIES.includes(imageElementTapStrategy)) {\n      throw new Error(`Incorrect imageElementTapStrategy setting ` +\n                      `'${imageElementTapStrategy}'. Must be one of ` +\n                      JSON.stringify(IMAGE_TAP_STRATEGIES));\n    }\n\n    if (checkForImageElementStaleness || updatePos) {\n      log.info('Checking image element for staleness before clicking');\n      try {\n        newImgEl = await driver.findByImage(this.template, {\n          shouldCheckStaleness: true,\n          // Set ignoreDefaultImageTemplateScale because this.template is device screenshot based image\n          // managed inside Appium after finidng image by template which managed by a user\n          ignoreDefaultImageTemplateScale: true\n        });\n      } catch (err) {\n        throw new errors.StaleElementReferenceError();\n      }\n\n      if (!this.equals(newImgEl)) {\n        log.warn(`When trying to click on an image element, the image changed ` +\n                 `position from where it was originally found. It is now at ` +\n                 `${JSON.stringify(newImgEl.rect)} and was originally at ` +\n                 `${JSON.stringify(this.rect)}.`);\n        if (updatePos) {\n          log.warn('Click will proceed at new coordinates');\n          this.rect = _.clone(newImgEl.rect);\n        } else {\n          log.warn('Click will take place at original coordinates. If you ' +\n                   'would like Appium to automatically click the new ' +\n                   \"coordinates, set the 'autoUpdateImageElementPosition' \" +\n                   'setting to true');\n        }\n      }\n    }\n\n    const {x, y} = this.center;\n    log.info(`Will tap on image element at coordinate [${x}, ${y}]`);\n\n    if (imageElementTapStrategy === IMAGE_EL_TAP_STRATEGY_W3C) {\n      // set up a W3C action to click on the image by position\n      log.info('Will tap using W3C actions');\n      const action = {\n        type: 'pointer',\n        id: 'mouse',\n        parameters: {pointerType: 'touch'},\n        actions: [\n          {type: 'pointerMove', x, y, duration: 0},\n          {type: 'pointerDown'},\n          {type: 'pause', duration: TAP_DURATION_MS},\n          {type: 'pointerUp'},\n        ]\n      };\n\n      // check if the driver has the appropriate performActions method\n      if (driver.performActions) {\n        return await driver.performActions([action]);\n      }\n\n      // if not, warn and fall back to the other method\n      log.warn('Driver does not seem to implement W3C actions, falling back ' +\n               'to TouchActions');\n    }\n\n    // if the w3c strategy was not requested, do the only other option (mjsonwp\n    // touch actions)\n    log.info('Will tap using MJSONWP TouchActions');\n    const action = {\n      action: 'tap',\n      options: {x, y}\n    };\n\n    if (driver.performTouch) {\n      return await driver.performTouch([action]);\n    }\n\n    throw new Error(\"Driver did not implement the 'performTouch' command. \" +\n                    'For drivers to support finding image elements, they ' +\n                    \"should support 'performTouch' and 'performActions'\");\n  }\n\n  /**\n   * Handle various Appium commands that involve an image element\n   *\n   * @param {BaseDriver} driver - the driver to use for commands\n   * @param {string} cmd - the name of the driver command\n   * @param {string} imgElId - the id of the ImageElement to work with\n   * @param {Array} args - Rest of arguments for executeScripts\n   *\n   * @returns {Object} - the result of running a command\n   */\n  static async execute (driver, cmd, imgElId, ...args) {\n    if (!driver._imgElCache.has(imgElId)) {\n      throw new errors.NoSuchElementError();\n    }\n\n    const imgEl = driver._imgElCache.get(imgElId);\n\n    switch (cmd) {\n      case 'click':\n        return await imgEl.click(driver);\n      case 'elementDisplayed':\n        return true;\n      case 'getSize':\n        return imgEl.size;\n      case 'getLocation':\n      case 'getLocationInView':\n        return imgEl.location;\n      case 'getElementRect':\n        return imgEl.rect;\n      case 'getAttribute':\n        // /wd/hub/session/:sessionId/element/:elementId/attribute/:name\n        // /wd/hub/session/:sessionId/element/:elementId/attribute/visual should retun the visual data\n        // e.g. [\"content-desc\",\"appium-image-element-xxxxx\",\"xxxxx\"], [\"visual\",\"appium-image-element-xxxxx\",\"xxxxx\"]\n        if (args[0] === 'visual') {\n          return imgEl.matchedImage;\n        } else {\n          throw new errors.NotYetImplementedError();\n        }\n      default: throw new errors.NotYetImplementedError();\n    }\n  }\n}\n\nfunction makeImageElementCache (max = MAX_CACHE_SIZE) {\n  return new LRU({\n    max,\n    length: (el) => el.template.length,\n  });\n}\n\nfunction getImgElFromArgs (args) {\n  for (let arg of args) {\n    if (_.isString(arg) && arg.startsWith(IMAGE_ELEMENT_PREFIX)) {\n      return arg;\n    }\n  }\n}\n\nexport {\n  ImageElement, getImgElFromArgs, makeImageElementCache,\n  IMAGE_EL_TAP_STRATEGY_MJSONWP, IMAGE_EL_TAP_STRATEGY_W3C,\n  DEFAULT_TEMPLATE_IMAGE_SCALE\n};\n"],"file":"lib/basedriver/image-element.js","sourceRoot":"../../.."}