623 lines
20 KiB
JavaScript
623 lines
20 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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/**
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* @fileoverview The main user facing module. Exports WebDriver's primary
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* public API and provides convenience assessors to certain sub-modules.
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*/
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'use strict';
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const chrome = require('./chrome');
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const edge = require('./edge');
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const firefox = require('./firefox');
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const _http = require('./http');
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const ie = require('./ie');
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const actions = require('./lib/actions');
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const by = require('./lib/by');
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const capabilities = require('./lib/capabilities');
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const command = require('./lib/command');
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const error = require('./lib/error');
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const events = require('./lib/events');
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const input = require('./lib/input');
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const logging = require('./lib/logging');
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const promise = require('./lib/promise');
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const session = require('./lib/session');
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const until = require('./lib/until');
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const webdriver = require('./lib/webdriver');
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const opera = require('./opera');
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const phantomjs = require('./phantomjs');
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const remote = require('./remote');
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const safari = require('./safari');
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const Browser = capabilities.Browser;
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const Capabilities = capabilities.Capabilities;
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const Capability = capabilities.Capability;
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const WebDriver = webdriver.WebDriver;
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var seleniumServer;
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/**
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* Starts an instance of the Selenium server if not yet running.
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* @param {string} jar Path to the server jar to use.
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* @return {!Promise<string>} A promise for the server's
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* addrss once started.
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*/
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function startSeleniumServer(jar) {
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if (!seleniumServer) {
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seleniumServer = new remote.SeleniumServer(jar);
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}
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return seleniumServer.start();
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}
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/**
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* {@linkplain webdriver.WebDriver#setFileDetector WebDriver's setFileDetector}
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* method uses a non-standard command to transfer files from the local client
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* to the remote end hosting the browser. Many of the WebDriver sub-types, like
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* the {@link chrome.Driver} and {@link firefox.Driver}, do not support this
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* command. Thus, these classes override the `setFileDetector` to no-op.
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*
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* This function uses a mixin to re-enable `setFileDetector` by calling the
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* original method on the WebDriver prototype directly. This is used only when
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* the builder creates a Chrome or Firefox instance that communicates with a
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* remote end (and thus, support for remote file detectors is unknown).
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*
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* @param {function(new: webdriver.WebDriver, ...?)} ctor
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* @return {function(new: webdriver.WebDriver, ...?)}
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*/
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function ensureFileDetectorsAreEnabled(ctor) {
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const mixin = class extends ctor {
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/** @param {input.FileDetector} detector */
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setFileDetector(detector) {
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webdriver.WebDriver.prototype.setFileDetector.call(this, detector);
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}
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};
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return mixin;
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}
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/**
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* Creates new {@link webdriver.WebDriver WebDriver} instances. The environment
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* variables listed below may be used to override a builder's configuration,
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* allowing quick runtime changes.
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*
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* - {@code SELENIUM_BROWSER}: defines the target browser in the form
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* {@code browser[:version][:platform]}.
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*
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* - {@code SELENIUM_REMOTE_URL}: defines the remote URL for all builder
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* instances. This environment variable should be set to a fully qualified
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* URL for a WebDriver server (e.g. http://localhost:4444/wd/hub). This
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* option always takes precedence over {@code SELENIUM_SERVER_JAR}.
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*
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* - {@code SELENIUM_SERVER_JAR}: defines the path to the
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* <a href="http://selenium-release.storage.googleapis.com/index.html">
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* standalone Selenium server</a> jar to use. The server will be started the
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* first time a WebDriver instance and be killed when the process exits.
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*
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* Suppose you had mytest.js that created WebDriver with
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*
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* var driver = new webdriver.Builder()
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* .forBrowser('chrome')
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* .build();
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*
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* This test could be made to use Firefox on the local machine by running with
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* `SELENIUM_BROWSER=firefox node mytest.js`. Rather than change the code to
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* target Google Chrome on a remote machine, you can simply set the
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* `SELENIUM_BROWSER` and `SELENIUM_REMOTE_URL` environment variables:
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*
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* SELENIUM_BROWSER=chrome:36:LINUX \
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* SELENIUM_REMOTE_URL=http://www.example.com:4444/wd/hub \
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* node mytest.js
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*
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* You could also use a local copy of the standalone Selenium server:
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*
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* SELENIUM_BROWSER=chrome:36:LINUX \
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* SELENIUM_SERVER_JAR=/path/to/selenium-server-standalone.jar \
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* node mytest.js
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*/
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class Builder {
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constructor() {
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/** @private {promise.ControlFlow} */
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this.flow_ = null;
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/** @private {string} */
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this.url_ = '';
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/** @private {?string} */
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this.proxy_ = null;
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/** @private {!Capabilities} */
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this.capabilities_ = new Capabilities();
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/** @private {chrome.Options} */
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this.chromeOptions_ = null;
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/** @private {firefox.Options} */
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this.firefoxOptions_ = null;
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/** @private {opera.Options} */
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this.operaOptions_ = null;
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/** @private {ie.Options} */
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this.ieOptions_ = null;
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/** @private {safari.Options} */
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this.safariOptions_ = null;
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/** @private {edge.Options} */
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this.edgeOptions_ = null;
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/** @private {boolean} */
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this.ignoreEnv_ = false;
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/** @private {http.Agent} */
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this.agent_ = null;
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}
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/**
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* Configures this builder to ignore any environment variable overrides and to
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* only use the configuration specified through this instance's API.
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*
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* @return {!Builder} A self reference.
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*/
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disableEnvironmentOverrides() {
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this.ignoreEnv_ = true;
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return this;
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}
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/**
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* Sets the URL of a remote WebDriver server to use. Once a remote URL has
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* been specified, the builder direct all new clients to that server. If this
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* method is never called, the Builder will attempt to create all clients
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* locally.
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*
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* As an alternative to this method, you may also set the
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* `SELENIUM_REMOTE_URL` environment variable.
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*
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* @param {string} url The URL of a remote server to use.
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* @return {!Builder} A self reference.
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*/
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usingServer(url) {
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this.url_ = url;
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return this;
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}
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/**
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* @return {string} The URL of the WebDriver server this instance is
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* configured to use.
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*/
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getServerUrl() {
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return this.url_;
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}
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/**
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* Sets the URL of the proxy to use for the WebDriver's HTTP connections.
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* If this method is never called, the Builder will create a connection
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* without a proxy.
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*
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* @param {string} proxy The URL of a proxy to use.
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* @return {!Builder} A self reference.
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*/
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usingWebDriverProxy(proxy) {
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this.proxy_ = proxy;
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return this;
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}
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/**
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* @return {?string} The URL of the proxy server to use for the WebDriver's
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* HTTP connections, or `null` if not set.
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*/
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getWebDriverProxy() {
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return this.proxy_;
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}
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/**
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* Sets the http agent to use for each request.
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* If this method is not called, the Builder will use http.globalAgent by default.
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*
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* @param {http.Agent} agent The agent to use for each request.
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* @return {!Builder} A self reference.
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*/
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usingHttpAgent(agent) {
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this.agent_ = agent;
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return this;
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}
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/**
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* @return {http.Agent} The http agent used for each request
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*/
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getHttpAgent() {
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return this.agent_;
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}
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/**
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* Sets the desired capabilities when requesting a new session. This will
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* overwrite any previously set capabilities.
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* @param {!(Object|Capabilities)} capabilities The desired capabilities for
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* a new session.
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* @return {!Builder} A self reference.
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*/
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withCapabilities(capabilities) {
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this.capabilities_ = new Capabilities(capabilities);
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return this;
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}
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/**
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* Returns the base set of capabilities this instance is currently configured
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* to use.
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* @return {!Capabilities} The current capabilities for this builder.
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*/
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getCapabilities() {
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return this.capabilities_;
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}
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/**
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* Configures the target browser for clients created by this instance.
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* Any calls to {@link #withCapabilities} after this function will
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* overwrite these settings.
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*
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* You may also define the target browser using the {@code SELENIUM_BROWSER}
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* environment variable. If set, this environment variable should be of the
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* form `browser[:[version][:platform]]`.
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*
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* @param {(string|Browser)} name The name of the target browser;
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* common defaults are available on the {@link webdriver.Browser} enum.
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* @param {string=} opt_version A desired version; may be omitted if any
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* version should be used.
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* @param {string=} opt_platform The desired platform; may be omitted if any
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* version may be used.
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* @return {!Builder} A self reference.
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*/
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forBrowser(name, opt_version, opt_platform) {
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this.capabilities_.set(Capability.BROWSER_NAME, name);
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this.capabilities_.set(Capability.VERSION, opt_version || null);
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this.capabilities_.set(Capability.PLATFORM, opt_platform || null);
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return this;
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}
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/**
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* Sets the proxy configuration for the target browser.
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* Any calls to {@link #withCapabilities} after this function will
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* overwrite these settings.
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*
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* @param {!capabilities.ProxyConfig} config The configuration to use.
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* @return {!Builder} A self reference.
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*/
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setProxy(config) {
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this.capabilities_.setProxy(config);
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return this;
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}
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/**
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* Sets the logging preferences for the created session. Preferences may be
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* changed by repeated calls, or by calling {@link #withCapabilities}.
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* @param {!(./lib/logging.Preferences|Object<string, string>)} prefs The
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* desired logging preferences.
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* @return {!Builder} A self reference.
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*/
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setLoggingPrefs(prefs) {
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this.capabilities_.setLoggingPrefs(prefs);
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return this;
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}
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/**
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* Sets whether native events should be used.
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* @param {boolean} enabled Whether to enable native events.
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* @return {!Builder} A self reference.
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*/
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setEnableNativeEvents(enabled) {
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this.capabilities_.setEnableNativeEvents(enabled);
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return this;
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}
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/**
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* Sets how elements should be scrolled into view for interaction.
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||
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* @param {number} behavior The desired scroll behavior: either 0 to align
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||
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* with the top of the viewport or 1 to align with the bottom.
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* @return {!Builder} A self reference.
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*/
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setScrollBehavior(behavior) {
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this.capabilities_.setScrollBehavior(behavior);
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return this;
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}
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/**
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* Sets the default action to take with an unexpected alert before returning
|
||
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* an error.
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||
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* @param {string} behavior The desired behavior; should be "accept",
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||
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* "dismiss", or "ignore". Defaults to "dismiss".
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||
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* @return {!Builder} A self reference.
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||
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*/
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||
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setAlertBehavior(behavior) {
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||
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this.capabilities_.setAlertBehavior(behavior);
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||
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return this;
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||
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}
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||
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|
||
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/**
|
||
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* Sets Chrome specific {@linkplain chrome.Options options} for drivers
|
||
|
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* created by this builder. Any logging or proxy settings defined on the given
|
||
|
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* options will take precedence over those set through
|
||
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* {@link #setLoggingPrefs} and {@link #setProxy}, respectively.
|
||
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*
|
||
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* @param {!chrome.Options} options The ChromeDriver options to use.
|
||
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* @return {!Builder} A self reference.
|
||
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*/
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||
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setChromeOptions(options) {
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||
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this.chromeOptions_ = options;
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||
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return this;
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||
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}
|
||
|
|
|
||
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/**
|
||
|
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* Sets Firefox specific {@linkplain firefox.Options options} for drivers
|
||
|
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* created by this builder. Any logging or proxy settings defined on the given
|
||
|
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* options will take precedence over those set through
|
||
|
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* {@link #setLoggingPrefs} and {@link #setProxy}, respectively.
|
||
|
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*
|
||
|
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* @param {!firefox.Options} options The FirefoxDriver options to use.
|
||
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* @return {!Builder} A self reference.
|
||
|
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*/
|
||
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setFirefoxOptions(options) {
|
||
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this.firefoxOptions_ = options;
|
||
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return this;
|
||
|
|
}
|
||
|
|
|
||
|
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/**
|
||
|
|
* @return {firefox.Options} the Firefox specific options currently configured
|
||
|
|
* for this instance.
|
||
|
|
*/
|
||
|
|
getFirefoxOptions() {
|
||
|
|
return this.firefoxOptions_;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets Opera specific {@linkplain opera.Options options} for drivers created
|
||
|
|
* by this builder. Any logging or proxy settings defined on the given options
|
||
|
|
* will take precedence over those set through {@link #setLoggingPrefs} and
|
||
|
|
* {@link #setProxy}, respectively.
|
||
|
|
*
|
||
|
|
* @param {!opera.Options} options The OperaDriver options to use.
|
||
|
|
* @return {!Builder} A self reference.
|
||
|
|
*/
|
||
|
|
setOperaOptions(options) {
|
||
|
|
this.operaOptions_ = options;
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set Internet Explorer specific {@linkplain ie.Options options} for drivers
|
||
|
|
* created by this builder. Any proxy settings defined on the given options
|
||
|
|
* will take precedence over those set through {@link #setProxy}.
|
||
|
|
*
|
||
|
|
* @param {!ie.Options} options The IEDriver options to use.
|
||
|
|
* @return {!Builder} A self reference.
|
||
|
|
*/
|
||
|
|
setIeOptions(options) {
|
||
|
|
this.ieOptions_ = options;
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set {@linkplain edge.Options options} specific to Microsoft's Edge browser
|
||
|
|
* for drivers created by this builder. Any proxy settings defined on the
|
||
|
|
* given options will take precedence over those set through
|
||
|
|
* {@link #setProxy}.
|
||
|
|
*
|
||
|
|
* @param {!edge.Options} options The MicrosoftEdgeDriver options to use.
|
||
|
|
* @return {!Builder} A self reference.
|
||
|
|
*/
|
||
|
|
setEdgeOptions(options) {
|
||
|
|
this.edgeOptions_ = options;
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets Safari specific {@linkplain safari.Options options} for drivers
|
||
|
|
* created by this builder. Any logging settings defined on the given options
|
||
|
|
* will take precedence over those set through {@link #setLoggingPrefs}.
|
||
|
|
*
|
||
|
|
* @param {!safari.Options} options The Safari options to use.
|
||
|
|
* @return {!Builder} A self reference.
|
||
|
|
*/
|
||
|
|
setSafariOptions(options) {
|
||
|
|
this.safariOptions_ = options;
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return {safari.Options} the Safari specific options currently configured
|
||
|
|
* for this instance.
|
||
|
|
*/
|
||
|
|
getSafariOptions() {
|
||
|
|
return this.safariOptions_;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the control flow that created drivers should execute actions in. If
|
||
|
|
* the flow is never set, or is set to {@code null}, it will use the active
|
||
|
|
* flow at the time {@link #build()} is called.
|
||
|
|
* @param {promise.ControlFlow} flow The control flow to use, or
|
||
|
|
* {@code null} to
|
||
|
|
* @return {!Builder} A self reference.
|
||
|
|
*/
|
||
|
|
setControlFlow(flow) {
|
||
|
|
this.flow_ = flow;
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a new WebDriver client based on this builder's current
|
||
|
|
* configuration.
|
||
|
|
*
|
||
|
|
* While this method will immediately return a new WebDriver instance, any
|
||
|
|
* commands issued against it will be deferred until the associated browser
|
||
|
|
* has been fully initialized. Users may call {@link #buildAsync()} to obtain
|
||
|
|
* a promise that will not be fulfilled until the browser has been created
|
||
|
|
* (the difference is purely in style).
|
||
|
|
*
|
||
|
|
* @return {!webdriver.WebDriver} A new WebDriver instance.
|
||
|
|
* @throws {Error} If the current configuration is invalid.
|
||
|
|
* @see #buildAsync()
|
||
|
|
*/
|
||
|
|
build() {
|
||
|
|
// Create a copy for any changes we may need to make based on the current
|
||
|
|
// environment.
|
||
|
|
var capabilities = new Capabilities(this.capabilities_);
|
||
|
|
|
||
|
|
var browser;
|
||
|
|
if (!this.ignoreEnv_ && process.env.SELENIUM_BROWSER) {
|
||
|
|
browser = process.env.SELENIUM_BROWSER.split(/:/, 3);
|
||
|
|
capabilities.set(Capability.BROWSER_NAME, browser[0]);
|
||
|
|
capabilities.set(Capability.VERSION, browser[1] || null);
|
||
|
|
capabilities.set(Capability.PLATFORM, browser[2] || null);
|
||
|
|
}
|
||
|
|
|
||
|
|
browser = capabilities.get(Capability.BROWSER_NAME);
|
||
|
|
|
||
|
|
if (typeof browser !== 'string') {
|
||
|
|
throw TypeError(
|
||
|
|
`Target browser must be a string, but is <${typeof browser}>;` +
|
||
|
|
' did you forget to call forBrowser()?');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (browser === 'ie') {
|
||
|
|
browser = Browser.INTERNET_EXPLORER;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Apply browser specific overrides.
|
||
|
|
if (browser === Browser.CHROME && this.chromeOptions_) {
|
||
|
|
capabilities.merge(this.chromeOptions_.toCapabilities());
|
||
|
|
|
||
|
|
} else if (browser === Browser.FIREFOX && this.firefoxOptions_) {
|
||
|
|
capabilities.merge(this.firefoxOptions_.toCapabilities());
|
||
|
|
|
||
|
|
} else if (browser === Browser.INTERNET_EXPLORER && this.ieOptions_) {
|
||
|
|
capabilities.merge(this.ieOptions_.toCapabilities());
|
||
|
|
|
||
|
|
} else if (browser === Browser.OPERA && this.operaOptions_) {
|
||
|
|
capabilities.merge(this.operaOptions_.toCapabilities());
|
||
|
|
|
||
|
|
} else if (browser === Browser.SAFARI && this.safariOptions_) {
|
||
|
|
capabilities.merge(this.safariOptions_.toCapabilities());
|
||
|
|
|
||
|
|
} else if (browser === Browser.EDGE && this.edgeOptions_) {
|
||
|
|
capabilities.merge(this.edgeOptions_.toCapabilities());
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check for a remote browser.
|
||
|
|
let url = this.url_;
|
||
|
|
if (!this.ignoreEnv_) {
|
||
|
|
if (process.env.SELENIUM_REMOTE_URL) {
|
||
|
|
url = process.env.SELENIUM_REMOTE_URL;
|
||
|
|
} else if (process.env.SELENIUM_SERVER_JAR) {
|
||
|
|
url = startSeleniumServer(process.env.SELENIUM_SERVER_JAR);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (url) {
|
||
|
|
let client = Promise.resolve(url)
|
||
|
|
.then(url => new _http.HttpClient(url, this.agent_, this.proxy_));
|
||
|
|
let executor = new _http.Executor(client);
|
||
|
|
|
||
|
|
if (browser === Browser.CHROME) {
|
||
|
|
const driver = ensureFileDetectorsAreEnabled(chrome.Driver);
|
||
|
|
return new driver(capabilities, null, this.flow_, executor);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (browser === Browser.FIREFOX) {
|
||
|
|
const driver = ensureFileDetectorsAreEnabled(firefox.Driver);
|
||
|
|
return new driver(capabilities, executor, this.flow_);
|
||
|
|
}
|
||
|
|
|
||
|
|
return WebDriver.createSession(executor, capabilities, this.flow_);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check for a native browser.
|
||
|
|
switch (browser) {
|
||
|
|
case Browser.CHROME:
|
||
|
|
return new chrome.Driver(capabilities, null, this.flow_);
|
||
|
|
|
||
|
|
case Browser.FIREFOX:
|
||
|
|
return new firefox.Driver(capabilities, null, this.flow_);
|
||
|
|
|
||
|
|
case Browser.INTERNET_EXPLORER:
|
||
|
|
return new ie.Driver(capabilities, this.flow_);
|
||
|
|
|
||
|
|
case Browser.EDGE:
|
||
|
|
return new edge.Driver(capabilities, null, this.flow_);
|
||
|
|
|
||
|
|
case Browser.OPERA:
|
||
|
|
return new opera.Driver(capabilities, null, this.flow_);
|
||
|
|
|
||
|
|
case Browser.PHANTOM_JS:
|
||
|
|
return new phantomjs.Driver(capabilities, this.flow_);
|
||
|
|
|
||
|
|
case Browser.SAFARI:
|
||
|
|
return new safari.Driver(capabilities, this.flow_);
|
||
|
|
|
||
|
|
default:
|
||
|
|
throw new Error('Do not know how to build driver: ' + browser
|
||
|
|
+ '; did you forget to call usingServer(url)?');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a new WebDriver client based on this builder's current
|
||
|
|
* configuration. This method returns a promise that will not be fulfilled
|
||
|
|
* until the new browser session has been fully initialized.
|
||
|
|
*
|
||
|
|
* __Note:__ this method is purely a convenience wrapper around
|
||
|
|
* {@link #build()}.
|
||
|
|
*
|
||
|
|
* @return {!promise.Promise<!webdriver.WebDriver>} A promise that will be
|
||
|
|
* fulfilled with the newly created WebDriver instance once the browser
|
||
|
|
* has been fully initialized.
|
||
|
|
* @see #build()
|
||
|
|
*/
|
||
|
|
buildAsync() {
|
||
|
|
let driver = this.build();
|
||
|
|
return driver.getSession().then(() => driver);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// PUBLIC API
|
||
|
|
|
||
|
|
|
||
|
|
exports.ActionSequence = actions.ActionSequence;
|
||
|
|
exports.Browser = capabilities.Browser;
|
||
|
|
exports.Builder = Builder;
|
||
|
|
exports.Button = input.Button;
|
||
|
|
exports.By = by.By;
|
||
|
|
exports.Capabilities = capabilities.Capabilities;
|
||
|
|
exports.Capability = capabilities.Capability;
|
||
|
|
exports.Condition = webdriver.Condition;
|
||
|
|
exports.EventEmitter = events.EventEmitter;
|
||
|
|
exports.FileDetector = input.FileDetector;
|
||
|
|
exports.Key = input.Key;
|
||
|
|
exports.Session = session.Session;
|
||
|
|
exports.WebDriver = webdriver.WebDriver;
|
||
|
|
exports.WebElement = webdriver.WebElement;
|
||
|
|
exports.WebElementCondition = webdriver.WebElementCondition;
|
||
|
|
exports.WebElementPromise = webdriver.WebElementPromise;
|
||
|
|
exports.error = error;
|
||
|
|
exports.logging = logging;
|
||
|
|
exports.promise = promise;
|
||
|
|
exports.until = until;
|