556 lines
16 KiB
JavaScript
556 lines
16 KiB
JavaScript
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// Licensed to the Software Freedom Conservancy (SFC) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The SFC licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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'use strict';
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/**
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* The base WebDriver error type. This error type is only used directly when a
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* more appropriate category is not defined for the offending error.
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*/
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class WebDriverError extends Error {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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/** @override */
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this.name = this.constructor.name;
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}
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}
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/**
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* An attempt was made to select an element that cannot be selected.
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*/
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class ElementNotSelectableError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* An element command could not be completed because the element is not visible
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* on the page.
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*/
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class ElementNotVisibleError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* The arguments passed to a command are either invalid or malformed.
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*/
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class InvalidArgumentError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* An illegal attempt was made to set a cookie under a different domain than
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* the current page.
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*/
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class InvalidCookieDomainError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* The coordinates provided to an interactions operation are invalid.
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*/
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class InvalidElementCoordinatesError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* An element command could not be completed because the element is in an
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* invalid state, e.g. attempting to click an element that is no longer attached
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* to the document.
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*/
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class InvalidElementStateError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* Argument was an invalid selector.
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*/
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class InvalidSelectorError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* Occurs when a command is directed to a session that does not exist.
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*/
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class NoSuchSessionError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* An error occurred while executing JavaScript supplied by the user.
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*/
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class JavascriptError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* The target for mouse interaction is not in the browser’s viewport and cannot
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* be brought into that viewport.
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*/
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class MoveTargetOutOfBoundsError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* An attempt was made to operate on a modal dialog when one was not open.
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*/
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class NoSuchAlertError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* An element could not be located on the page using the given search
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* parameters.
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*/
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class NoSuchElementError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* A request to switch to a frame could not be satisfied because the frame
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* could not be found.
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*/
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class NoSuchFrameError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* A request to switch to a window could not be satisfied because the window
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* could not be found.
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*/
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class NoSuchWindowError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* A script did not complete before its timeout expired.
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*/
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class ScriptTimeoutError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* A new session could not be created.
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*/
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class SessionNotCreatedError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* An element command failed because the referenced element is no longer
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* attached to the DOM.
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*/
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class StaleElementReferenceError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* An operation did not complete before its timeout expired.
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*/
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class TimeoutError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* A request to set a cookie’s value could not be satisfied.
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*/
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class UnableToSetCookieError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* A screen capture operation was not possible.
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*/
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class UnableToCaptureScreenError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* A modal dialog was open, blocking this operation.
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*/
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class UnexpectedAlertOpenError extends WebDriverError {
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/**
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* @param {string=} opt_error the error message, if any.
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* @param {string=} opt_text the text of the open dialog, if available.
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*/
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constructor(opt_error, opt_text) {
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super(opt_error);
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/** @private {(string|undefined)} */
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this.text_ = opt_text;
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}
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/**
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* @return {(string|undefined)} The text displayed with the unhandled alert,
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* if available.
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*/
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getAlertText() {
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return this.text_;
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}
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}
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/**
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* A command could not be executed because the remote end is not aware of it.
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*/
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class UnknownCommandError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* The requested command matched a known URL but did not match an method for
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* that URL.
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*/
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class UnknownMethodError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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/**
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* Reports an unsupport operation.
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*/
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class UnsupportedOperationError extends WebDriverError {
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/** @param {string=} opt_error the error message, if any. */
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constructor(opt_error) {
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super(opt_error);
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}
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}
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// TODO(jleyba): Define UnknownError as an alias of WebDriverError?
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/**
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* Enum of legacy error codes.
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* TODO: remove this when all code paths have been switched to the new error
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* types.
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* @deprecated
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* @enum {number}
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*/
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const ErrorCode = {
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SUCCESS: 0,
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NO_SUCH_ELEMENT: 7,
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NO_SUCH_FRAME: 8,
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UNKNOWN_COMMAND: 9,
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UNSUPPORTED_OPERATION: 9,
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STALE_ELEMENT_REFERENCE: 10,
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ELEMENT_NOT_VISIBLE: 11,
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INVALID_ELEMENT_STATE: 12,
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UNKNOWN_ERROR: 13,
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ELEMENT_NOT_SELECTABLE: 15,
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JAVASCRIPT_ERROR: 17,
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XPATH_LOOKUP_ERROR: 19,
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TIMEOUT: 21,
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NO_SUCH_WINDOW: 23,
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INVALID_COOKIE_DOMAIN: 24,
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UNABLE_TO_SET_COOKIE: 25,
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UNEXPECTED_ALERT_OPEN: 26,
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NO_SUCH_ALERT: 27,
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SCRIPT_TIMEOUT: 28,
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INVALID_ELEMENT_COORDINATES: 29,
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IME_NOT_AVAILABLE: 30,
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IME_ENGINE_ACTIVATION_FAILED: 31,
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INVALID_SELECTOR_ERROR: 32,
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SESSION_NOT_CREATED: 33,
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MOVE_TARGET_OUT_OF_BOUNDS: 34,
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SQL_DATABASE_ERROR: 35,
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INVALID_XPATH_SELECTOR: 51,
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INVALID_XPATH_SELECTOR_RETURN_TYPE: 52,
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METHOD_NOT_ALLOWED: 405
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};
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const LEGACY_ERROR_CODE_TO_TYPE = new Map([
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[ErrorCode.NO_SUCH_ELEMENT, NoSuchElementError],
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[ErrorCode.NO_SUCH_FRAME, NoSuchFrameError],
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[ErrorCode.UNSUPPORTED_OPERATION, UnsupportedOperationError],
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[ErrorCode.STALE_ELEMENT_REFERENCE, StaleElementReferenceError],
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[ErrorCode.ELEMENT_NOT_VISIBLE, ElementNotVisibleError],
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[ErrorCode.INVALID_ELEMENT_STATE, InvalidElementStateError],
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[ErrorCode.UNKNOWN_ERROR, WebDriverError],
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[ErrorCode.ELEMENT_NOT_SELECTABLE, ElementNotSelectableError],
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[ErrorCode.JAVASCRIPT_ERROR, JavascriptError],
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[ErrorCode.XPATH_LOOKUP_ERROR, InvalidSelectorError],
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[ErrorCode.TIMEOUT, TimeoutError],
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[ErrorCode.NO_SUCH_WINDOW, NoSuchWindowError],
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[ErrorCode.INVALID_COOKIE_DOMAIN, InvalidCookieDomainError],
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[ErrorCode.UNABLE_TO_SET_COOKIE, UnableToSetCookieError],
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[ErrorCode.UNEXPECTED_ALERT_OPEN, UnexpectedAlertOpenError],
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[ErrorCode.NO_SUCH_ALERT, NoSuchAlertError],
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[ErrorCode.SCRIPT_TIMEOUT, ScriptTimeoutError],
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[ErrorCode.INVALID_ELEMENT_COORDINATES, InvalidElementCoordinatesError],
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[ErrorCode.INVALID_SELECTOR_ERROR, InvalidSelectorError],
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[ErrorCode.SESSION_NOT_CREATED, SessionNotCreatedError],
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|
|
[ErrorCode.MOVE_TARGET_OUT_OF_BOUNDS, MoveTargetOutOfBoundsError],
|
|||
|
|
[ErrorCode.INVALID_XPATH_SELECTOR, InvalidSelectorError],
|
|||
|
|
[ErrorCode.INVALID_XPATH_SELECTOR_RETURN_TYPE, InvalidSelectorError],
|
|||
|
|
[ErrorCode.METHOD_NOT_ALLOWED, UnsupportedOperationError]]);
|
|||
|
|
|
|||
|
|
|
|||
|
|
const ERROR_CODE_TO_TYPE = new Map([
|
|||
|
|
['unknown error', WebDriverError],
|
|||
|
|
['element not selectable', ElementNotSelectableError],
|
|||
|
|
['element not visible', ElementNotVisibleError],
|
|||
|
|
['invalid argument', InvalidArgumentError],
|
|||
|
|
['invalid cookie domain', InvalidCookieDomainError],
|
|||
|
|
['invalid element coordinates', InvalidElementCoordinatesError],
|
|||
|
|
['invalid element state', InvalidElementStateError],
|
|||
|
|
['invalid selector', InvalidSelectorError],
|
|||
|
|
['invalid session id', NoSuchSessionError],
|
|||
|
|
['javascript error', JavascriptError],
|
|||
|
|
['move target out of bounds', MoveTargetOutOfBoundsError],
|
|||
|
|
['no such alert', NoSuchAlertError],
|
|||
|
|
['no such element', NoSuchElementError],
|
|||
|
|
['no such frame', NoSuchFrameError],
|
|||
|
|
['no such window', NoSuchWindowError],
|
|||
|
|
['script timeout', ScriptTimeoutError],
|
|||
|
|
['session not created', SessionNotCreatedError],
|
|||
|
|
['stale element reference', StaleElementReferenceError],
|
|||
|
|
['timeout', TimeoutError],
|
|||
|
|
['unable to set cookie', UnableToSetCookieError],
|
|||
|
|
['unable to capture screen', UnableToCaptureScreenError],
|
|||
|
|
['unexpected alert open', UnexpectedAlertOpenError],
|
|||
|
|
['unknown command', UnknownCommandError],
|
|||
|
|
['unknown method', UnknownMethodError],
|
|||
|
|
['unsupported operation', UnsupportedOperationError]]);
|
|||
|
|
|
|||
|
|
|
|||
|
|
const TYPE_TO_ERROR_CODE = new Map;
|
|||
|
|
ERROR_CODE_TO_TYPE.forEach((value, key) => {
|
|||
|
|
TYPE_TO_ERROR_CODE.set(value, key);
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @param {*} err The error to encode.
|
|||
|
|
* @return {{error: string, message: string}} the encoded error.
|
|||
|
|
*/
|
|||
|
|
function encodeError(err) {
|
|||
|
|
let type = WebDriverError;
|
|||
|
|
if (err instanceof WebDriverError
|
|||
|
|
&& TYPE_TO_ERROR_CODE.has(err.constructor)) {
|
|||
|
|
type = err.constructor;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
let message = err instanceof Error
|
|||
|
|
? err.message
|
|||
|
|
: err + '';
|
|||
|
|
|
|||
|
|
let code = /** @type {string} */(TYPE_TO_ERROR_CODE.get(type));
|
|||
|
|
return {'error': code, 'message': message};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Checks a response object from a server that adheres to the W3C WebDriver
|
|||
|
|
* protocol.
|
|||
|
|
* @param {*} data The response data to check.
|
|||
|
|
* @return {*} The response data if it was not an encoded error.
|
|||
|
|
* @throws {WebDriverError} the decoded error, if present in the data object.
|
|||
|
|
* @deprecated Use {@link #throwDecodedError(data)} instead.
|
|||
|
|
* @see https://w3c.github.io/webdriver/webdriver-spec.html#protocol
|
|||
|
|
*/
|
|||
|
|
function checkResponse(data) {
|
|||
|
|
if (data && typeof data.error === 'string') {
|
|||
|
|
let ctor = ERROR_CODE_TO_TYPE.get(data.error) || WebDriverError;
|
|||
|
|
throw new ctor(data.message);
|
|||
|
|
}
|
|||
|
|
return data;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Throws an error coded from the W3C protocol. A generic error will be thrown
|
|||
|
|
* if the privded `data` is not a valid encoded error.
|
|||
|
|
*
|
|||
|
|
* @param {{error: string, message: string}} data The error data to decode.
|
|||
|
|
* @throws {WebDriverError} the decoded error.
|
|||
|
|
* @see https://w3c.github.io/webdriver/webdriver-spec.html#protocol
|
|||
|
|
*/
|
|||
|
|
function throwDecodedError(data) {
|
|||
|
|
if (data && typeof data === 'object' && typeof data.error === 'string') {
|
|||
|
|
let ctor = ERROR_CODE_TO_TYPE.get(data.error) || WebDriverError;
|
|||
|
|
throw new ctor(data.message);
|
|||
|
|
}
|
|||
|
|
throw new WebDriverError('Unknown error: ' + JSON.stringify(data));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Checks a legacy response from the Selenium 2.0 wire protocol for an error.
|
|||
|
|
* @param {*} responseObj the response object to check.
|
|||
|
|
* @return {*} responseObj the original response if it does not define an error.
|
|||
|
|
* @throws {WebDriverError} if the response object defines an error.
|
|||
|
|
*/
|
|||
|
|
function checkLegacyResponse(responseObj) {
|
|||
|
|
// Handle the legacy Selenium error response format.
|
|||
|
|
if (responseObj
|
|||
|
|
&& typeof responseObj === 'object'
|
|||
|
|
&& typeof responseObj['status'] === 'number'
|
|||
|
|
&& responseObj['status'] !== 0) {
|
|||
|
|
let status = responseObj['status'];
|
|||
|
|
let ctor = LEGACY_ERROR_CODE_TO_TYPE.get(status) || WebDriverError;
|
|||
|
|
|
|||
|
|
let value = responseObj['value'];
|
|||
|
|
|
|||
|
|
if (!value || typeof value !== 'object') {
|
|||
|
|
throw new ctor(value + '');
|
|||
|
|
} else {
|
|||
|
|
let message = value['message'] + '';
|
|||
|
|
if (ctor !== UnexpectedAlertOpenError) {
|
|||
|
|
throw new ctor(message);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
let text = '';
|
|||
|
|
if (value['alert'] && typeof value['alert']['text'] === 'string') {
|
|||
|
|
text = value['alert']['text'];
|
|||
|
|
}
|
|||
|
|
throw new UnexpectedAlertOpenError(message, text);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return responseObj;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
// PUBLIC API
|
|||
|
|
|
|||
|
|
|
|||
|
|
module.exports = {
|
|||
|
|
ErrorCode: ErrorCode,
|
|||
|
|
|
|||
|
|
WebDriverError: WebDriverError,
|
|||
|
|
ElementNotSelectableError: ElementNotSelectableError,
|
|||
|
|
ElementNotVisibleError: ElementNotVisibleError,
|
|||
|
|
InvalidArgumentError: InvalidArgumentError,
|
|||
|
|
InvalidCookieDomainError: InvalidCookieDomainError,
|
|||
|
|
InvalidElementCoordinatesError: InvalidElementCoordinatesError,
|
|||
|
|
InvalidElementStateError: InvalidElementStateError,
|
|||
|
|
InvalidSelectorError: InvalidSelectorError,
|
|||
|
|
JavascriptError: JavascriptError,
|
|||
|
|
MoveTargetOutOfBoundsError: MoveTargetOutOfBoundsError,
|
|||
|
|
NoSuchAlertError: NoSuchAlertError,
|
|||
|
|
NoSuchElementError: NoSuchElementError,
|
|||
|
|
NoSuchFrameError: NoSuchFrameError,
|
|||
|
|
NoSuchSessionError: NoSuchSessionError,
|
|||
|
|
NoSuchWindowError: NoSuchWindowError,
|
|||
|
|
ScriptTimeoutError: ScriptTimeoutError,
|
|||
|
|
SessionNotCreatedError: SessionNotCreatedError,
|
|||
|
|
StaleElementReferenceError: StaleElementReferenceError,
|
|||
|
|
TimeoutError: TimeoutError,
|
|||
|
|
UnableToSetCookieError: UnableToSetCookieError,
|
|||
|
|
UnableToCaptureScreenError: UnableToCaptureScreenError,
|
|||
|
|
UnexpectedAlertOpenError: UnexpectedAlertOpenError,
|
|||
|
|
UnknownCommandError: UnknownCommandError,
|
|||
|
|
UnknownMethodError: UnknownMethodError,
|
|||
|
|
UnsupportedOperationError: UnsupportedOperationError,
|
|||
|
|
|
|||
|
|
checkResponse: checkResponse,
|
|||
|
|
checkLegacyResponse: checkLegacyResponse,
|
|||
|
|
encodeError: encodeError,
|
|||
|
|
throwDecodedError: throwDecodedError,
|
|||
|
|
};
|