| // Copyright 2017 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| import 'dart:convert' show base64; |
| |
| import '../../async_core.dart' as async_core; |
| import '../common/by.dart'; |
| import '../common/request.dart'; |
| import '../common/request_client.dart'; |
| import '../common/spec.dart'; |
| import '../common/utils.dart'; |
| import '../common/webdriver_handler.dart'; |
| import 'common.dart'; |
| |
| // ignore: uri_does_not_exist |
| import 'common_stub.dart' |
| // ignore: uri_does_not_exist |
| if (dart.library.io) 'common_io.dart'; |
| import 'cookies.dart'; |
| import 'keyboard.dart'; |
| import 'logs.dart'; |
| import 'mouse.dart'; |
| import 'target_locator.dart'; |
| import 'timeouts.dart'; |
| import 'web_element.dart'; |
| import 'window.dart'; |
| |
| /// Interacts with WebDriver. |
| class WebDriver implements SearchContext { |
| final SyncRequestClient _client; |
| |
| final WebDriverHandler _handler; |
| |
| final Map<String, dynamic> capabilities; |
| |
| final WebDriverSpec spec; |
| |
| final String id; |
| |
| final Uri uri; |
| |
| WebDriver(this.uri, this.id, this.capabilities, this._client, this.spec) |
| : _handler = getHandler(spec); |
| |
| /// Produces a [async_core.WebDriver] with the same session ID. Allows |
| /// backwards compatibility with other frameworks. |
| async_core.WebDriver get asyncDriver => createAsyncWebDriver(this); |
| |
| @override |
| async_core.SearchContext get asyncContext => asyncDriver; |
| |
| /// Preferred method for registering listeners. Listeners are expected to |
| /// return a Future. Use new Future.value() for synchronous listeners. |
| void addEventListener(SyncWebDriverListener listener) { |
| _client.addEventListener(listener); |
| } |
| |
| /// The current url. |
| String get currentUrl => _client.send(_handler.core.buildCurrentUrlRequest(), |
| _handler.core.parseCurrentUrlResponse); |
| |
| /// Navigates to the specified url |
| void get(/* Uri | String */ url) { |
| _client.send( |
| _handler.navigation.buildNavigateToRequest( |
| (url is Uri) ? url.toString() : url as String, |
| ), |
| _handler.navigation.parseNavigateToResponse); |
| } |
| |
| /// Navigates forwards in the browser history, if possible. |
| void forward() { |
| _client.send(_handler.navigation.buildForwardRequest(), |
| _handler.navigation.parseForwardResponse); |
| } |
| |
| /// Navigates backwards in the browser history, if possible. |
| void back() { |
| _client.send(_handler.navigation.buildBackRequest(), |
| _handler.navigation.parseBackResponse); |
| } |
| |
| /// Refreshes the current page. |
| void refresh() { |
| _client.send(_handler.navigation.buildRefreshRequest(), |
| _handler.navigation.parseRefreshResponse); |
| } |
| |
| /// The title of the current page. |
| String get title => _client.send( |
| _handler.core.buildTitleRequest(), _handler.core.parseTitleResponse); |
| |
| /// Search for multiple elements within the entire current page. |
| @override |
| List<WebElement> findElements(By by) { |
| final ids = _client.send( |
| _handler.elementFinder.buildFindElementsRequest(by), |
| _handler.elementFinder.parseFindElementsResponse); |
| |
| final elements = <WebElement>[]; |
| var i = 0; |
| for (final id in ids) { |
| elements.add(WebElement(this, _client, _handler, id, this, by, i++)); |
| } |
| |
| return elements; |
| } |
| |
| /// Search for an element within the entire current page. |
| /// Throws [NoSuchElementException] if a matching element is not found. |
| @override |
| WebElement findElement(By by) => WebElement( |
| this, |
| _client, |
| _handler, |
| _client.send(_handler.elementFinder.buildFindElementRequest(by), |
| _handler.elementFinder.parseFindElementResponse), |
| this, |
| by); |
| |
| /// Search for an element by xpath within the entire current page. |
| /// Throws [NoSuchElementException] if a matching element is not found. |
| WebElement findElementByXpath(String by) => findElement(By.xpath(by)); |
| |
| /// An artist's rendition of the current page's source. |
| String get pageSource => _client.send(_handler.core.buildPageSourceRequest(), |
| _handler.core.parsePageSourceResponse); |
| |
| /// Quits the browser. |
| void quit({bool closeSession = true}) { |
| if (closeSession) { |
| _client.send(_handler.core.buildDeleteSessionRequest(), |
| _handler.core.parseDeleteSessionResponse); |
| } |
| } |
| |
| /// Closes the current window. |
| /// |
| /// This is rather confusing and will be removed. |
| /// Should replace all usages with [window.close()] or [quit()]. |
| @deprecated |
| void close() { |
| window.close(); |
| } |
| |
| /// Handles for all of the currently displayed tabs/windows. |
| List<Window> get windows => _client.send( |
| _handler.window.buildGetWindowsRequest(), |
| (response) => _handler.window |
| .parseGetWindowsResponse(response) |
| .map<Window>((w) => Window(_client, _handler, w)) |
| .toList()); |
| |
| /// Handle for the active tab/window. |
| Window get window => _client.send( |
| _handler.window.buildGetActiveWindowRequest(), |
| (response) => Window(_client, _handler, |
| _handler.window.parseGetActiveWindowResponse(response))); |
| |
| /// The currently focused element, or the body element if no element has |
| /// focus. |
| WebElement? get activeElement { |
| final id = _client.send( |
| _handler.elementFinder.buildFindActiveElementRequest(), |
| _handler.elementFinder.parseFindActiveElementResponse); |
| if (id != null) { |
| return WebElement(this, _client, _handler, id, this, 'activeElement'); |
| } |
| return null; |
| } |
| |
| /// Changes focus to specified targets. |
| /// |
| /// Available targets are window, frame, and the current alert. |
| TargetLocator get switchTo => TargetLocator(this, _client, _handler); |
| |
| Cookies get cookies => Cookies(_client, _handler); |
| |
| /// [logs.get(logType)] will give list of logs captured in browser. |
| /// |
| /// Note that for W3C/Firefox, this is not supported and will produce empty |
| /// list of logs, as the spec for this in W3C is not agreed on and Firefox |
| /// refuses to support non-spec features. See |
| /// https://github.com/w3c/webdriver/issues/406. |
| Logs get logs => Logs(_client, _handler); |
| |
| Timeouts get timeouts => Timeouts(_client, _handler); |
| |
| Keyboard get keyboard => Keyboard(_client, _handler); |
| |
| Mouse get mouse => Mouse(_client, _handler); |
| |
| /// Take a screenshot of the current page as PNG and return it as |
| /// base64-encoded string. |
| String captureScreenshotAsBase64() => _client.send( |
| _handler.core.buildScreenshotRequest(), |
| _handler.core.parseScreenshotResponse); |
| |
| /// Take a screenshot of the specified element as PNG and return it as |
| /// base64-encoded string. |
| String captureElementScreenshotAsBase64(WebElement element) => _client.send( |
| _handler.core.buildElementScreenshotRequest(element.id), |
| _handler.core.parseScreenshotResponse); |
| |
| /// Take a screenshot of the current page as PNG as list of uint8. |
| List<int> captureScreenshotAsList() { |
| final base64Encoded = captureScreenshotAsBase64(); |
| return base64.decode(base64Encoded); |
| } |
| |
| /// Take a screenshot of the specified element as PNG as list of uint8. |
| List<int> captureElementScreenshotAsList(WebElement element) { |
| final base64Encoded = captureElementScreenshotAsBase64(element); |
| return base64.decode(base64Encoded); |
| } |
| |
| /// Inject a snippet of JavaScript into the page for execution in the context |
| /// of the currently selected frame. The executed script is assumed to be |
| /// asynchronous and must signal that is done by invoking the provided |
| /// callback, which is always provided as the final argument to the function. |
| /// The value to this callback will be returned to the client. |
| /// |
| /// Asynchronous script commands may not span page loads. If an unload event |
| /// is fired while waiting for a script result, an error will be thrown. |
| /// |
| /// The script argument defines the script to execute in the form of a |
| /// function body. The function will be invoked with the provided args array |
| /// and the values may be accessed via the arguments object in the order |
| /// specified. The final argument will always be a callback function that must |
| /// be invoked to signal that the script has finished. |
| /// |
| /// Arguments may be any JSON-able object. WebElements will be converted to |
| /// the corresponding DOM element. Likewise, any DOM Elements in the script |
| /// result will be converted to WebElements. |
| dynamic executeAsync(String script, List args) => _client.send( |
| _handler.core.buildExecuteAsyncRequest(script, args), |
| (response) => _handler.core.parseExecuteAsyncResponse( |
| response, |
| (elementId) => WebElement( |
| this, _client, _handler, elementId, this, 'javascript'))); |
| |
| /// Inject a snippet of JavaScript into the page for execution in the context |
| /// of the currently selected frame. The executed script is assumed to be |
| /// synchronous and the result of evaluating the script is returned. |
| /// |
| /// The script argument defines the script to execute in the form of a |
| /// function body. The value returned by that function will be returned to the |
| /// client. The function will be invoked with the provided args array and the |
| /// values may be accessed via the arguments object in the order specified. |
| /// |
| /// Arguments may be any JSON-able object. WebElements will be converted to |
| /// the corresponding DOM element. Likewise, any DOM Elements in the script |
| /// result will be converted to WebElements. |
| dynamic execute(String script, List args) => _client.send( |
| _handler.core.buildExecuteRequest(script, args), |
| (response) => _handler.core.parseExecuteResponse( |
| response, |
| (elementId) => WebElement( |
| this, _client, _handler, elementId, this, 'javascript'))); |
| |
| /// Performs post request on command to the WebDriver server. |
| /// |
| /// For use by supporting WebDriver packages. |
| dynamic postRequest(String command, [params]) => _client.send( |
| _handler.buildGeneralRequest(HttpMethod.httpPost, command, params), |
| (response) => _handler.parseGeneralResponse( |
| response, (elementId) => getElement(elementId, this))); |
| |
| /// Performs get request on command to the WebDriver server. |
| /// |
| /// For use by supporting WebDriver packages. |
| dynamic getRequest(String command) => _client.send( |
| _handler.buildGeneralRequest(HttpMethod.httpGet, command), |
| (response) => _handler.parseGeneralResponse( |
| response, (elementId) => getElement(elementId, this))); |
| |
| /// Performs delete request on command to the WebDriver server. |
| /// |
| /// For use by supporting WebDriver packages. |
| dynamic deleteRequest(String command) => _client.send( |
| _handler.buildGeneralRequest(HttpMethod.httpDelete, command), |
| (response) => _handler.parseGeneralResponse( |
| response, |
| (elementId) => getElement(elementId, this), |
| ), |
| ); |
| |
| WebElement getElement( |
| String elementId, [ |
| SearchContext? context, |
| locator, |
| int? index, |
| ]) => |
| WebElement( |
| this, |
| _client, |
| _handler, |
| elementId, |
| context, |
| locator, |
| index, |
| ); |
| |
| @override |
| WebDriver get driver => this; |
| |
| @override |
| String toString() => '$_handler.webdriver($_client)'; |
| } |