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How to use SendCharacterAsync method of PuppeteerSharp.Input.Keyboard class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Input.Keyboard.SendCharacterAsync

InputTests.cs

Source:InputTests.cs

...148        public async Task ShouldSendACharacterWithSendCharacter()149        {150            await Page.GoToAsync(TestConstants.ServerUrl + "/input/textarea.html");151            await Page.FocusAsync("textarea");152            await Page.Keyboard.SendCharacterAsync("å¨");153            Assert.Equal("å¨", await Page.EvaluateExpressionAsync("document.querySelector('textarea').value"));154            await Page.EvaluateExpressionAsync("window.addEventListener('keydown', e => e.preventDefault(), true)");155            await Page.Keyboard.SendCharacterAsync("a");156            Assert.Equal("å¨a", await Page.EvaluateExpressionAsync("document.querySelector('textarea').value"));157        }158        [Fact]159        public async Task ShouldReportShiftKey()160        {161            await Page.GoToAsync(TestConstants.ServerUrl + "/input/keyboard.html");162            var keyboard = Page.Keyboard;163            var codeForKey = new Dictionary<string, int> { ["Shift"] = 16, ["Alt"] = 18, ["Meta"] = 91, ["Control"] = 17 };164            foreach (var modifier in codeForKey)165            {166                await keyboard.DownAsync(modifier.Key);167                Assert.Equal($"Keydown: {modifier.Key} {modifier.Key}Left {modifier.Value} [{modifier.Key}]", await Page.EvaluateExpressionAsync<string>("getResult()"));168                await keyboard.DownAsync("!");169                // Shift+! will generate a keypress...

KeyboardTests.cs

Source:KeyboardTests.cs

...64        public async Task ShouldSendACharacterWithSendCharacter()65        {66            await Page.GoToAsync(TestConstants.ServerUrl + "/input/textarea.html");67            await Page.FocusAsync("textarea");68            await Page.Keyboard.SendCharacterAsync("å¨");69            Assert.Equal("å¨", await Page.EvaluateExpressionAsync<string>("document.querySelector('textarea').value"));70            await Page.EvaluateExpressionAsync("window.addEventListener('keydown', e => e.preventDefault(), true)");71            await Page.Keyboard.SendCharacterAsync("a");72            Assert.Equal("å¨a", await Page.EvaluateExpressionAsync<string>("document.querySelector('textarea').value"));73        }74        [Fact]75        public async Task ShouldReportShiftKey()76        {77            await Page.GoToAsync(TestConstants.ServerUrl + "/input/keyboard.html");78            var keyboard = Page.Keyboard;79            var codeForKey = new Dictionary<string, int> { ["Shift"] = 16, ["Alt"] = 18, ["Control"] = 17 };80            foreach (var modifier in codeForKey)81            {82                await keyboard.DownAsync(modifier.Key);83                Assert.Equal($"Keydown: {modifier.Key} {modifier.Key}Left {modifier.Value} [{modifier.Key}]", await Page.EvaluateExpressionAsync<string>("getResult()"));84                await keyboard.DownAsync("!");85                // Shift+! will generate a keypress...

Keyboard.cs

Source:Keyboard.cs

...6{7    /// <summary>8    /// Keyboard provides an api for managing a virtual keyboard. The high level api is <see cref="TypeAsync(string, TypeOptions)"/>, which takes raw characters and generates proper keydown, keypress/input, and keyup events on your page.9    /// 10    /// For finer control, you can use <see cref="Keyboard.DownAsync(string, DownOptions)"/>, <see cref="UpAsync(string)"/>, and <see cref="SendCharacterAsync(string)"/> to manually fire events as if they were generated from a real keyboard.11    /// </summary>12    public class Keyboard13    {14        private readonly CDPSession _client;15        private readonly HashSet<string> _pressedKeys = new HashSet<string>();16        internal int Modifiers { get; set; }17        internal Keyboard(CDPSession client)18        {19            _client = client;20        }21        /// <summary>22        /// Dispatches a <c>keydown</c> event23        /// </summary>24        /// <param name="key">Name of key to press, such as <c>ArrowLeft</c>. <see cref="KeyDefinitions"/> for a list of all key names.</param>25        /// <param name="options">down options</param>26        /// <remarks>27        /// If <c>key</c> is a single character and no modifier keys besides <c>Shift</c> are being held down, a <c>keypress</c>/<c>input</c> event will also generated. The <c>text</c> option can be specified to force an input event to be generated.28        /// If <c>key</c> is a modifier key, <c>Shift</c>, <c>Meta</c>, <c>Control</c>, or <c>Alt</c>, subsequent key presses will be sent with that modifier active. To release the modifier key, use <see cref="UpAsync(string)"/>29        /// After the key is pressed once, subsequent calls to <see cref="DownAsync(string, DownOptions)"/> will have <see href="https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/repeat">repeat</see> set to <c>true</c>. To release the key, use <see cref="UpAsync(string)"/>30        /// </remarks>31        /// <returns>Task</returns>32        public Task DownAsync(string key, DownOptions options = null)33        {34            var description = KeyDescriptionForString(key);35            var autoRepeat = _pressedKeys.Contains(description.Code);36            _pressedKeys.Add(description.Code);37            Modifiers |= ModifierBit(key);38            var text = options?.Text == null ? description.Text : options.Text;39            return _client.SendAsync("Input.dispatchKeyEvent", new Dictionary<string, object>40            {41                { MessageKeys.Type, text != null ? "keyDown" : "rawKeyDown" },42                { MessageKeys.Modifiers, Modifiers },43                { MessageKeys.WindowsVirtualKeyCode, description.KeyCode },44                { MessageKeys.Code, description.Code },45                { MessageKeys.Key, description.Key },46                { MessageKeys.Text, text },47                { MessageKeys.UnmodifiedText, text },48                { MessageKeys.AutoRepeat, autoRepeat },49                { MessageKeys.Location, description.Location },50                { MessageKeys.IsKeypad, description.Location == 3 }51            });52        }53        /// <summary>54        /// Dispatches a <c>keyup</c> event.55        /// </summary>56        /// <param name="key">Name of key to release, such as `ArrowLeft`. See <see cref="KeyDefinitions"/> for a list of all key names.</param>57        /// <returns>Task</returns>58        public Task UpAsync(string key)59        {60            var description = KeyDescriptionForString(key);61            Modifiers &= ~ModifierBit(key);62            _pressedKeys.Remove(description.Code);63            return _client.SendAsync("Input.dispatchKeyEvent", new Dictionary<string, object>64            {65                { MessageKeys.Type, "keyUp" },66                { MessageKeys.Modifiers, Modifiers },67                { MessageKeys.Key, description.Key },68                { MessageKeys.WindowsVirtualKeyCode, description.KeyCode },69                { MessageKeys.Code, description.Code },70                { MessageKeys.Location, description.Location }71            });72        }73        /// <summary>74        /// Dispatches a <c>keypress</c> and <c>input</c> event. This does not send a <c>keydown</c> or <c>keyup</c> event.75        /// </summary>76        /// <param name="charText">Character to send into the page</param>77        /// <returns>Task</returns>78        public Task SendCharacterAsync(string charText)79            => _client.SendAsync("Input.insertText", new Dictionary<string, object> { [MessageKeys.Text] = charText });80        /// <summary>81        /// Sends a <c>keydown</c>, <c>keypress</c>/<c>input</c>, and <c>keyup</c> event for each character in the text.82        /// </summary>83        /// <param name="text">A text to type into a focused element</param>84        /// <param name="options">type options</param>85        /// <remarks>86        /// To press a special key, like <c>Control</c> or <c>ArrowDown</c>, use <see cref="PressAsync(string, PressOptions)"/>87        /// </remarks>88        /// <returns>Task</returns>89        public async Task TypeAsync(string text, TypeOptions options = null)90        {91            var delay = 0;92            if (options?.Delay != null)93            {94                delay = (int)options.Delay;95            }96            var textParts = StringInfo.GetTextElementEnumerator(text);97            while (textParts.MoveNext())98            {99                var letter = textParts.Current;100                if (KeyDefinitions.ContainsKey(letter.ToString()))101                {102                    await PressAsync(letter.ToString(), new PressOptions { Delay = delay }).ConfigureAwait(false);103                }104                else105                {106                    await SendCharacterAsync(letter.ToString()).ConfigureAwait(false);107                }108                if (delay > 0)109                {110                    await Task.Delay(delay).ConfigureAwait(false);111                }112            }113        }114        /// <summary>115        /// Shortcut for <see cref="DownAsync(string, DownOptions)"/> and <see cref="UpAsync(string)"/>116        /// </summary>117        /// <param name="key">Name of key to press, such as <c>ArrowLeft</c>. <see cref="KeyDefinitions"/> for a list of all key names.</param>118        /// <param name="options">press options</param>119        /// <remarks>120        /// If <paramref name="key"/> is a single character and no modifier keys besides <c>Shift</c> are being held down, a <c>keypress</c>/<c>input</c> event will also generated. The <see cref="DownOptions.Text"/> option can be specified to force an input event to be generated....

BaseAuthUIFixture.cs

Source:BaseAuthUIFixture.cs

...48                if(OperatingSystem.IsWindows())49                    await Page.ConfirmScreenshot(screensName).ConfigureAwait(false);50                response.Url.Should().Contain("login.microsoftonline.com");51                await Page.WaitForSelectorAsync("input[name='loginfmt']").ConfigureAwait(false);52                await Page.Keyboard.SendCharacterAsync(TestGoodUserName).ConfigureAwait(false);53                await Page.Keyboard.PressAsync(Key.Enter).ConfigureAwait(false);54                await Page.WaitForSelectorAsync("input[name='passwd']:not(.moveOffScreen)").ConfigureAwait(false);55                await Page.Keyboard.SendCharacterAsync(TestPassword).ConfigureAwait(false);56                await Page.Keyboard.PressAsync(Key.Enter).ConfigureAwait(false);57                await Page.WaitForSelectorAsync("input[id='idSIButton9']").ConfigureAwait(false); ;58                Thread.Sleep(delay);59                if (OperatingSystem.IsWindows())60                    await Page.ConfirmScreenshot(screensName).ConfigureAwait(false);61                await Page.Keyboard.PressAsync(Key.Enter).ConfigureAwait(false);62                await Page.GoToAsync(AuthUrl, options: new NavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } }).ConfigureAwait(false);63                //response = await page.WaitForNavigationAsync().ConfigureAwait(false);64                Authorized = true;65            }66            else67            {68                response = await Page.GoToAsync(AuthUrl).ConfigureAwait(false); ;69            }...

SendCharacterAsync

Using AI Code Generation

1var page = await browser.NewPageAsync();2await page.Keyboard.SendCharacterAsync('a');3await page.Keyboard.SendCharacterAsync('b');4await page.Keyboard.SendCharacterAsync('c');5await page.Keyboard.SendCharacterAsync('d');6await page.Keyboard.SendCharacterAsync('e');7await page.Keyboard.SendCharacterAsync('f');8await page.Keyboard.SendCharacterAsync('g');9await page.Keyboard.SendCharacterAsync('h');10await page.Keyboard.SendCharacterAsync('i');11await page.Keyboard.SendCharacterAsync('j');12await page.Keyboard.SendCharacterAsync('k');13await page.Keyboard.SendCharacterAsync('l');14await page.Keyboard.SendCharacterAsync('m');15await page.Keyboard.SendCharacterAsync('n');16await page.Keyboard.SendCharacterAsync('o');17await page.Keyboard.SendCharacterAsync('p');18await page.Keyboard.SendCharacterAsync('q');19await page.Keyboard.SendCharacterAsync('r');20await page.Keyboard.SendCharacterAsync('s');21await page.Keyboard.SendCharacterAsync('t');22await page.Keyboard.SendCharacterAsync('u');23await page.Keyboard.SendCharacterAsync('v');24await page.Keyboard.SendCharacterAsync('w');25await page.Keyboard.SendCharacterAsync('x');26await page.Keyboard.SendCharacterAsync('y');27await page.Keyboard.SendCharacterAsync('z');

SendCharacterAsync

Using AI Code Generation

1await page.Keyboard.SendCharacterAsync('a');2await page.Keyboard.SendCharacterAsync('b');3await page.Keyboard.SendCharacterAsync('c');4await page.Keyboard.SendCharacterAsync('d');5await page.Keyboard.SendCharacterAsync('a');6await page.Keyboard.SendCharacterAsync('b');7await page.Keyboard.SendCharacterAsync('c');8await page.Keyboard.SendCharacterAsync('d');9await page.Keyboard.SendCharacterAsync('a');10await page.Keyboard.SendCharacterAsync('b');11await page.Keyboard.SendCharacterAsync('c');12await page.Keyboard.SendCharacterAsync('d');13await page.Keyboard.SendCharacterAsync('a');14await page.Keyboard.SendCharacterAsync('b');15await page.Keyboard.SendCharacterAsync('c');16await page.Keyboard.SendCharacterAsync('d');17await page.Keyboard.SendCharacterAsync('a');18await page.Keyboard.SendCharacterAsync('b');19await page.Keyboard.SendCharacterAsync('c');20await page.Keyboard.SendCharacterAsync('d');21await page.Keyboard.SendCharacterAsync('a');22await page.Keyboard.SendCharacterAsync('b');23await page.Keyboard.SendCharacterAsync('c');24await page.Keyboard.SendCharacterAsync('d');25await page.Keyboard.SendCharacterAsync('a');26await page.Keyboard.SendCharacterAsync('b');27await page.Keyboard.SendCharacterAsync('c');28await page.Keyboard.SendCharacterAsync('d');

SendCharacterAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5	{6		static async Task Main(string[] args)7		{8			Console.WriteLine("Hello World!");9			var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });10			var page = await browser.NewPageAsync();11			await page.WaitForSelectorAsync("input[name=q]");12			await page.FocusAsync("input[name=q]");13			await page.Keyboard.SendCharacterAsync("Hello World!");14			await Task.Delay(5000);15			await browser.CloseAsync();16		}17	}18}

SendCharacterAsync

Using AI Code Generation

1using System.Threading.Tasks;2using PuppeteerSharp;3{4    {5        private readonly CDPSession _client;6        private readonly KeyboardWatcher _keyboardWatcher;7        private readonly Page _page;8        private readonly Keyboard _keyboard;9        public Keyboard(Page page)10        {11            _page = page;12            _client = page._client;13            _keyboardWatcher = new KeyboardWatcher(_client, page);14            _keyboard = new Keyboard(_page);15        }16        public async Task SendCharacterAsync(string character)17        {18            await _keyboard.SendCharacterAsync(character);19        }20    }21}22using System.Threading.Tasks;23using PuppeteerSharp;24{25    {26        private readonly CDPSession _client;27        private readonly KeyboardWatcher _keyboardWatcher;28        private readonly Page _page;29        private readonly Keyboard _keyboard;30        public Keyboard(Page page)31        {32            _page = page;33            _client = page._client;34            _keyboardWatcher = new KeyboardWatcher(_client, page);35            _keyboard = new Keyboard(_page);36        }37        public async Task SendCharacterAsync(string character)38        {39            await _keyboard.SendCharacterAsync(character);40        }41    }42}43using System.Threading.Tasks;44using PuppeteerSharp;45{46    {47        private readonly CDPSession _client;48        private readonly KeyboardWatcher _keyboardWatcher;49        private readonly Page _page;50        private readonly Keyboard _keyboard;51        public Keyboard(Page page)52        {53            _page = page;54            _client = page._client;55            _keyboardWatcher = new KeyboardWatcher(_client, page);56            _keyboard = new Keyboard(_page);57        }58        public async Task SendCharacterAsync(string character)59        {60            await _keyboard.SendCharacterAsync(character);61        }62    }63}64using System.Threading.Tasks;65using PuppeteerSharp;66{67    {68        private readonly CDPSession _client;69        private readonly KeyboardWatcher _keyboardWatcher;

SendCharacterAsync

Using AI Code Generation

1var page = await browser.NewPageAsync();2await page.Keyboard.SendCharacterAsync("hello world");3await page.ScreenshotAsync("example.png");4var page = await browser.NewPageAsync();5await page.Keyboard.SendCharacterAsync("hello world");6await page.ScreenshotAsync("example.png");7var page = await browser.NewPageAsync();8await page.Keyboard.SendCharacterAsync("hello world");9await page.ScreenshotAsync("example.png");10var page = await browser.NewPageAsync();11await page.Keyboard.SendCharacterAsync("hello world");12await page.ScreenshotAsync("example.png");13var page = await browser.NewPageAsync();14await page.Keyboard.SendCharacterAsync("hello world");15await page.ScreenshotAsync("example.png");16var page = await browser.NewPageAsync();17await page.Keyboard.SendCharacterAsync("hello world");18await page.ScreenshotAsync("example.png");19var page = await browser.NewPageAsync();20await page.Keyboard.SendCharacterAsync("hello world");21await page.ScreenshotAsync("example.png");22var page = await browser.NewPageAsync();23await page.Keyboard.SendCharacterAsync("hello world");24await page.ScreenshotAsync("example.png");

SendCharacterAsync

Using AI Code Generation

1using PuppeteerSharp;2using System.Threading.Tasks;3{4    static async Task Main()5    {6        await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);7        var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });8        var page = await browser.NewPageAsync();9        await page.GoToAsync(url);10        await page.FocusAsync("input[name='q']");11        await page.Keyboard.SendCharacterAsync("PuppeteerSharp");12        await page.Keyboard.PressAsync("Enter");13        await page.WaitForNavigationAsync();14        await page.ScreenshotAsync("screenshot.png");15        await browser.CloseAsync();16    }17}

SendCharacterAsync

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10            });11            var page = await browser.NewPageAsync();12            await page.Keyboard.SendCharacterAsync("A");13            await page.Mouse.ClickAsync();14        }15    }16}17using System;18using System.Threading.Tasks;19using PuppeteerSharp;20{21    {22        static async Task Main(string[] args)23        {24            var browser = await Puppeteer.LaunchAsync(new LaunchOptions25            {26            });27            var page = await browser.NewPageAsync();28            await page.Keyboard.SendCharacterAsync("A");29            await page.Keyboard.PressAsync("Enter");30        }31    }32}33using System;34using System.Threading.Tasks;35using PuppeteerSharp;36{37    {38        static async Task Main(string[] args)39        {40            var browser = await Puppeteer.LaunchAsync(new LaunchOptions41            {42            });43            var page = await browser.NewPageAsync();44            await page.Keyboard.SendCharacterAsync("A");45            await page.Keyboard.PressAsync("Enter");46            await page.WaitForNavigationAsync();47        }48    }49}

SendCharacterAsync

Using AI Code Generation

1await page.ClickAsync("body");2await page.Keyboard.SendCharacterAsync("a");3await page.Keyboard.SendCharacterAsync("b");4await page.Keyboard.SendCharacterAsync("c");5await page.Keyboard.SendCharacterAsync("d");6await page.Keyboard.SendCharacterAsync("e");7await page.Keyboard.SendCharacterAsync("f");8await page.Keyboard.SendCharacterAsync("g");9await page.Keyboard.SendCharacterAsync("h");10await page.Keyboard.SendCharacterAsync("i");11await page.Keyboard.SendCharacterAsync("j");12await page.Keyboard.SendCharacterAsync("k");13await page.Keyboard.SendCharacterAsync("l");14await page.Keyboard.SendCharacterAsync("m");15await page.Keyboard.SendCharacterAsync("n");16await page.Keyboard.SendCharacterAsync("o");17await page.Keyboard.SendCharacterAsync("p");18await page.Keyboard.SendCharacterAsync("q");19await page.Keyboard.SendCharacterAsync("r");20await page.Keyboard.SendCharacterAsync("s");21await page.Keyboard.SendCharacterAsync("t");22await page.Keyboard.SendCharacterAsync("u");23await page.Keyboard.SendCharacterAsync("v");24await page.Keyboard.SendCharacterAsync("w");25await page.Keyboard.SendCharacterAsync("x");26await page.Keyboard.SendCharacterAsync("y");27await page.Keyboard.SendCharacterAsync("z");28await page.Keyboard.SendCharacterAsync("1");29await page.Keyboard.SendCharacterAsync("2");30await page.Keyboard.SendCharacterAsync("3");31await page.Keyboard.SendCharacterAsync("4");32await page.Keyboard.SendCharacterAsync("5");33await page.Keyboard.SendCharacterAsync("6");34await page.Keyboard.SendCharacterAsync("7");35await page.Keyboard.SendCharacterAsync("8");36await page.Keyboard.SendCharacterAsync("9");37await page.Keyboard.SendCharacterAsync("0");38await page.Keyboard.SendCharacterAsync("!");39await page.Keyboard.SendCharacterAsync("@");40await page.Keyboard.SendCharacterAsync("#");41await page.Keyboard.SendCharacterAsync("$");42await page.Keyboard.SendCharacterAsync("%");43await page.Keyboard.SendCharacterAsync("^");44await page.Keyboard.SendCharacterAsync("&");45await page.Keyboard.SendCharacterAsync("*");46await page.Keyboard.SendCharacterAsync("(");47await page.Keyboard.SendCharacterAsync(")");48await page.Keyboard.SendCharacterAsync("-");49await page.Keyboard.SendCharacterAsync("_");50await page.Keyboard.SendCharacterAsync("+");51await page.Keyboard.SendCharacterAsync("=");52await page.Keyboard.SendCharacterAsync("`");53await page.Keyboard.SendCharacterAsync("~");

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