How to use this.clickWebCoords method in Appium Xcuitest Driver

...389        var w = res.value.width, h = res.value.height;390        var clickX = x + (w / 2);391        var clickY = y + (h / 2);392        this.curWebCoords = {x: clickX, y: clickY};393        this.clickWebCoords(function (err, res) {394          // make sure real tap actually has time to register395          setTimeout(function () {396            cb(err, res);397          }, 500);398        });399      }.bind(this));400    }.bind(this));401  }.bind(this));402};403iOSController.pushFile = function (base64Data, remotePath, cb) {404  if (this.realDevice) {405    logger.debug("Unsupported: cannot write files to physical device");406    return cb(new NotYetImplementedError(), null);407  }408  logger.debug("Pushing " + remotePath + " to iOS simulator");409  var writeFile = function (err, fullPath) {410    if (err) return cb(err);411    logger.debug("Attempting to write " + fullPath + "...");412    async.series([413      function (cb) {414        try {415          if (fs.existsSync(fullPath)) {416            logger.debug(fullPath + " already exists, deleting...");417            fs.unlinkSync(fullPath);418          }419          mkdirp.sync(path.dirname(fullPath));420          var content = new Buffer(base64Data, 'base64');421          var fd = fs.openSync(fullPath, 'w');422          fs.writeSync(fd, content, 0, content.length, 0);423          fs.closeSync(fd);424          logger.debug("Wrote " + content.length + "bytes to " + fullPath);425          cb(null);426        } catch (e) {427          cb(e);428        }429      }.bind(this)430    ], function (err) {431      logger.debug("Returning response");432      if (err) return cb(err);433      cb(null, {434        status: status.codes.Success.code435      });436    });437  };438  this._getFullPath(remotePath, writeFile);439};440/*441 *  Get the full path to an iOS simulator file.442 *  Calls cb(err, fullFilePath)443 *  /Some/Path                           fetches a file relative to the root of the device's filesystem.444 *  /Applications/AppName.app/Some/Path  fetches a file relative to the root of that Application's .app directory, adding in the GUID.445 *  So it looks something like: /Applications/GUID-GUID-GUID-GUID/Some/Path446 */447iOSController._getFullPath = function (remotePath, cb) {448  var fullPath = "";449  var v = (this.args.platformVersion || this.iOSSDKVersion);450  var simRoots = this.sim.getDirs();451  if (simRoots.length < 1) {452    return cb(new Error("Could not find simulator root for SDK version " +453                        v + "; have you launched this sim before?"));454  } else if (simRoots.length > 1) {455    logger.warn("There were multiple simulator roots for version " + v + ". " +456                "We may be pulling the file from the one you're not using!");457  }458  if (simRoots.length > 1) {459    var filteredSimRoots = simRoots.filter(function (root) {460      return fs.existsSync(root + "/Applications") || // ios7461             fs.existsSync(root + "/Containers/Data/Application"); // ios8462    });463    if (filteredSimRoots.length > 0) {464      simRoots = filteredSimRoots;465    }466  }467  var basePath = simRoots[0];468  var appName = null;469  if (this.args.app) {470    var appNameRegex = new RegExp("\\" + path.sep + "(\\w+\\.app)");471    var appNameMatches = appNameRegex.exec(this.args.app);472    if (appNameMatches) {473      appName = appNameMatches[1];474    }475  }476  // de-absolutize the path477  if (isWindows()) {478    if (remotePath.indexof("://") === 1) {479      remotePath = remotePath.slice(4);480    }481  } else {482    if (remotePath.indexOf("/") === 0) {483      remotePath = remotePath.slice(1);484    }485  }486  if (remotePath.indexOf(appName) === 0) {487    logger.debug("We want an app-relative file");488    var findPath = basePath;489    if (this.args.platformVersion >= 8) {490      // the .app file appears in /Containers/Data and /Containers/Bundle both. We only want /Bundle491      findPath = path.resolve(basePath, "Containers", "Bundle");492    }493    findPath =  findPath.replace(/\s/g, '\\ ');494    var findCmd = 'find ' + findPath + ' -name "' + appName + '"';495    exec(findCmd, function (err, stdout) {496      if (err) return cb(err);497      var appRoot = stdout.replace(/\n$/, '');498      var subPath = remotePath.substring(appName.length + 1);499      fullPath = path.resolve(appRoot, subPath);500      cb(null, fullPath);501    }.bind(this));502  } else {503    logger.debug("We want a sim-relative file");504    fullPath = path.resolve(basePath, remotePath);505    cb(null, fullPath);506  }507};508iOSController.pullFile = function (remotePath, cb) {509  logger.debug("Pulling " + remotePath + " from sim");510  if (this.realDevice) {511    return cb(new NotYetImplementedError(), null);512  }513  var readAndReturnFile = function (err, fullPath) {514    if (err) return cb(err);515    logger.debug("Attempting to read " + fullPath);516    fs.readFile(fullPath, {encoding: 'base64'}, function (err, data) {517      if (err) return cb(err);518      cb(null, {status: status.codes.Success.code, value: data});519    });520  };521  this._getFullPath(remotePath, readAndReturnFile);522};523iOSController.pullFolder = function (remotePath, cb) {524  logger.debug("Pulling " + remotePath + " from sim");525  if (this.realDevice) {526    return cb(new NotYetImplementedError(), null);527  }528  var bufferOnSuccess = function (buffer) {529    logger.debug("Converting in-memory zip file to base64 encoded string");530    var data = buffer.toString('base64');531    logger.debug("Returning in-memory zip file as base54 encoded string");532    cb(null, {status: status.codes.Success.code, value: data});533  };534  var bufferOnFail = function (err) {535    cb(new Error(err));536  };537  var zipAndReturnFolder = function (err, fullPath) {538    if (err) return cb(err);539    logger.debug("Adding " + fullPath + " to an in-memory zip archive");540    var zip = new AdmZip();541    zip.addLocalFolder(fullPath);542    zip.toBuffer(bufferOnSuccess, bufferOnFail);543  };544  this._getFullPath(remotePath, zipAndReturnFolder);545};546iOSController.touchLongClick = function (elementId, cb) {547  cb(new NotYetImplementedError(), null);548};549iOSController.touchDown = function (elId, x, y, cb) {550  cb(new NotYetImplementedError(), null);551};552iOSController.touchUp = function (elementId, cb) {553  cb(new NotYetImplementedError(), null);554};555iOSController.touchMove = function (elId, startX, startY, cb) {556  cb(new NotYetImplementedError(), null);557};558iOSController.toggleData = function (cb) {559  cb(new NotYetImplementedError(), null);560};561iOSController.toggleFlightMode = function (cb) {562  cb(new NotYetImplementedError(), null);563};564iOSController.toggleWiFi = function (cb) {565  cb(new NotYetImplementedError(), null);566};567iOSController.toggleLocationServices = function (cb) {568  cb(new NotYetImplementedError(), null);569};570iOSController.getStrings = function (language, stringFile, cb) {571  this.parseLocalizableStrings(language, stringFile, function () {572    var strings = this.localizableStrings;573    if (strings && strings.length >= 1) strings = strings[0];574    cb(null, {575      status: status.codes.Success.code576    , value: strings577    });578  }.bind(this));579};580iOSController.executeAtom = function (atom, args, cb, alwaysDefaultFrame) {581  var counter = this.executedAtomsCounter++;582  var frames = alwaysDefaultFrame === true ? [] : this.curWebFrames;583  this.returnedFromExecuteAtom[counter] = false;584  this.processingRemoteCmd = true;585  this.remote.executeAtom(atom, args, frames, function (err, res) {586    this.processingRemoteCmd = false;587    if (!this.returnedFromExecuteAtom[counter]) {588      this.returnedFromExecuteAtom[counter] = true;589      res = this.parseExecuteResponse(res);590      cb(err, res);591    }592  }.bind(this));593  this.lookForAlert(cb, counter, 0, 5000);594};595iOSController.executeAtomAsync = function (atom, args, responseUrl, cb) {596  var counter = this.executedAtomsCounter++;597  this.returnedFromExecuteAtom[counter] = false;598  this.processingRemoteCmd = true;599  this.asyncResponseCb = cb;600  this.remote.executeAtomAsync(atom, args, this.curWebFrames, responseUrl, function (err, res) {601    this.processingRemoteCmd = false;602    if (!this.returnedFromExecuteAtom[counter]) {603      this.returnedFromExecuteAtom[counter] = true;604      res = this.parseExecuteResponse(res);605      cb(err, res);606    }607  }.bind(this));608  this.lookForAlert(cb, counter, 0, 5000);609};610iOSController.receiveAsyncResponse = function (asyncResponse) {611  var asyncCb = this.asyncResponseCb;612  //mark returned as true to stop looking for alerts; the js is done.613  this.returnedFromExecuteAtom = true;614  if (asyncCb !== null) {615    this.parseExecuteResponse(asyncResponse, asyncCb);616    asyncCb(null, asyncResponse);617    this.asyncResponseCb = null;618  } else {619    logger.warn("Received async response when we weren't expecting one! " +620                    "Response was: " + JSON.stringify(asyncResponse));621  }622};623iOSController.parseExecuteResponse = deviceCommon.parseExecuteResponse;624iOSController.parseElementResponse = deviceCommon.parseElementResponse;625iOSController.lookForAlert = function (cb, counter, looks, timeout) {626  setTimeout(function () {627    if (typeof looks === 'undefined') {628      looks = 0;629    }630    if (this.instruments !== null) {631      if (!this.returnedFromExecuteAtom[counter] && looks < 11 && !this.selectingNewPage) {632        logger.debug("atom did not return yet, checking to see if " +633          "we are blocked by an alert");634        // temporarily act like we're not processing a remote command635        // so we can proxy the alert detection functionality636        this.alertCounter++;637        this.proxy("au.alertIsPresent()", function (err, res) {638          if (res !== null) {639            if (res.value === true) {640              logger.debug("Found an alert, returning control to client");641              this.returnedFromExecuteAtom[counter] = true;642              cb(null, {643                status: status.codes.Success.code644              , value: ''645              });646            } else {647              // say we're processing remote cmd again648              looks++;649              setTimeout(this.lookForAlert(cb, counter, looks), 1000);650            }651          }652        }.bind(this));653      }654    }655  }.bind(this), timeout);656};657iOSController.clickCurrent = function (button, cb) {658  var noMoveToErr = {659    status: status.codes.UnknownError.code660  , value: "Cannot call click() before calling moveTo() to set coords"661  };662  if (this.isWebContext()) {663    if (this.curWebCoords === null) {664      return cb(null, noMoveToErr);665    }666    this.clickWebCoords(cb);667  } else {668    if (this.curCoords === null) {669      return cb(null, noMoveToErr);670    }671    this.clickCoords(this.curCoords, cb);672  }673};674iOSController.clickCoords = function (coords, cb) {675  if (this.useRobot) {676    var tapUrl = this.args.robotUrl + "/tap";677    request.post({url:tapUrl, form: {x:coords.x, y:coords.y}}, cb);678  } else {679    var opts = coords;680    opts.tapCount = 1;...

...31  if (this.isWebContext()) {32    if (_.isNull(this.curWebCoords)) {33      throw new errors.UnknownError('Cannot call click() before calling moveTo() to set coords');34    }35    await this.clickWebCoords();36  } else {37    if (this.curCoords === null) {38      throw new errors.UnknownError("Cannot call click() before calling moveTo() to set coords");39    }40    await this.clickCoords(this.curCoords);41  }42};43helpers.clickCoords = async function (coords) {44  if (this.opts.useRobot) {45    /* TODO */throw new errors.NotYetImplementedError();46  } else {47    let opts = coords;48    opts.tapCount = 1;49    opts.duration = 0.3;...

...91  let {width, height} = await this.executeAtom('get_size', [atomsElement]);92  x = x + (width / 2);93  y = y + (height / 2);94  this.curWebCoords = {x, y};95  await this.clickWebCoords();96};97extensions.clickCoords = async function (coords) {98  let {x, y} = coords;99  // tap on absolute coordinates100  await this.proxyCommand('/wda/tap/nil', 'POST', {x, y});101};102extensions.translateWebCoords = async function (coords) {103  log.debug(`Translating coordinates (${JSON.stringify(coords)}) to web coordinates`);104  // add static offset for safari in landscape mode105  let yOffset = this.opts.curOrientation === 'LANDSCAPE' ? this.landscapeWebCoordsOffset : 0;106  // add extra offset for possible extra things in the top of the page107  yOffset += await this.getExtraNativeWebTapOffset();108  coords.y += await this.getExtraTranslateWebCoordsOffset();109  // absolutize web coords...