How to use WaitForFileChooserAsync method of PuppeteerSharp.Page class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Page.WaitForFileChooserAsync

ScheduleController.cs

Source:ScheduleController.cs Github

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...384 var html2 = await page.GetContentAsync();385 if (html2.Contains("Welcome to Instagram"))386 {387 page.EvaluateExpressionAsync(@"document.querySelector(""header button"").click()");388 var fileChooser = await page.WaitForFileChooserAsync();389 await fileChooser.AcceptAsync(new string[] { HostingEnvironment.MapPath(schedule.ImagePath) });390 await PageNavigation(page);391 }392 else393 {394 try395 {396 page.EvaluateExpressionAsync(ClickButton("Your Story"));397 var fileChooser = await page.WaitForFileChooserAsync();398 await fileChooser.AcceptAsync(new string[] { HostingEnvironment.MapPath(schedule.ImagePath) });399 await PageNavigation(page);400 }401 catch (Exception ex)402 {403 page.EvaluateExpressionAsync(ClickButton("Not Now"));404 var fileChooser = await page.WaitForFileChooserAsync();405 await fileChooser.AcceptAsync(new string[] { HostingEnvironment.MapPath(schedule.ImagePath) });406 await PageNavigation(page);407 }408 }409 try410 {411 System.Threading.Thread.Sleep(5000);412 await page.EvaluateExpressionAsync(ClickButton("Add to your story"));413 System.Threading.Thread.Sleep(500);414 await PageNavigation(page);415 System.Threading.Thread.Sleep(5000);416 schedule.PostedStatus = true;417 schedule.LastTryDate = DateTime.Now;418 schedule.Exception = "";419 }420 catch (Exception ex)421 {422 schedule.PostedStatus = true;423 schedule.LastTryDate = DateTime.Now;424 schedule.Exception = "Story Already Posted";425 }426 }427 else428 {429 page.EvaluateExpressionAsync(@"document.querySelector(""div[data-testid=new-post-button]"").click()");430 var fileChooser = await page.WaitForFileChooserAsync();431 await fileChooser.AcceptAsync(new string[] { HostingEnvironment.MapPath(schedule.ImagePath) });432 await PageNavigation(page);433 System.Threading.Thread.Sleep(5000);434 await page.EvaluateExpressionAsync(ClickButton("Next"));435 await PageNavigation(page);436 System.Threading.Thread.Sleep(5000);437 for (int i = 0; i < 4; i++)438 {439 await page.Keyboard.DownAsync(key: "Tab");440 System.Threading.Thread.Sleep(500);441 }442 await page.Keyboard.TypeAsync(schedule.Caption, new TypeOptions { Delay = 200 });443 await page.EvaluateExpressionAsync(ClickButton("Share"));444 System.Threading.Thread.Sleep(500);...

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FileChooserAcceptTests.cs

Source:FileChooserAcceptTests.cs Github

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...14 [Fact]15 public async Task ShouldWorkWhenFileInputIsAttachedToDOM()16 {17 await Page.SetContentAsync("<input type=file>");18 var waitForTask = Page.WaitForFileChooserAsync();19 await Task.WhenAll(20 waitForTask,21 Page.ClickAsync("input"));22 Assert.NotNull(waitForTask.Result);23 }24 [Fact]25 public async Task ShouldAcceptSingleFile()26 {27 await Page.SetContentAsync("<input type=file oninput='javascript:console.timeStamp()'>");28 var waitForTask = Page.WaitForFileChooserAsync();29 var metricsTcs = new TaskCompletionSource<bool>();30 await Task.WhenAll(31 waitForTask,32 Page.ClickAsync("input"));33 Page.Metrics += (sender, e) => metricsTcs.TrySetResult(true);34 await Task.WhenAll(35 waitForTask.Result.AcceptAsync(TestConstants.FileToUpload),36 metricsTcs.Task);37 Assert.Equal(1, await Page.QuerySelectorAsync("input").EvaluateFunctionAsync<int>("input => input.files.length"));38 Assert.Equal(39 "file-to-upload.txt",40 await Page.QuerySelectorAsync("input").EvaluateFunctionAsync<string>("input => input.files[0].name"));41 }42 [Fact]43 public async Task ShouldBeAbleToReadSelectedFile()44 {45 await Page.SetContentAsync("<input type=file>");46 _ = Page.WaitForFileChooserAsync().ContinueWith(t => t.Result.AcceptAsync(TestConstants.FileToUpload));47 Assert.Equal(48 "contents of the file",49 await Page.QuerySelectorAsync("input").EvaluateFunctionAsync<string>(@"async picker =>50 {51 picker.click();52 await new Promise(x => picker.oninput = x);53 const reader = new FileReader();54 const promise = new Promise(fulfill => reader.onload = fulfill);55 reader.readAsText(picker.files[0]);56 return promise.then(() => reader.result);57 }"));58 }59 [Fact]60 public async Task ShouldBeAbleToResetSelectedFilesWithEmptyFileList()61 {62 await Page.SetContentAsync("<input type=file>");63 _ = Page.WaitForFileChooserAsync().ContinueWith(t => t.Result.AcceptAsync(TestConstants.FileToUpload));64 Assert.Equal(65 1,66 await Page.QuerySelectorAsync("input").EvaluateFunctionAsync<int>(@"async picker =>67 {68 picker.click();69 await new Promise(x => picker.oninput = x);70 return picker.files.length;71 }"));72 _ = Page.WaitForFileChooserAsync().ContinueWith(t => t.Result.AcceptAsync());73 Assert.Equal(74 0,75 await Page.QuerySelectorAsync("input").EvaluateFunctionAsync<int>(@"async picker =>76 {77 picker.click();78 await new Promise(x => picker.oninput = x);79 return picker.files.length;80 }"));81 }82 [Fact]83 public async Task ShouldNotAcceptMultipleFilesForSingleFileInput()84 {85 await Page.SetContentAsync("<input type=file>");86 var waitForTask = Page.WaitForFileChooserAsync();87 await Task.WhenAll(88 waitForTask,89 Page.ClickAsync("input"));90 var ex = await Assert.ThrowsAsync<MessageException>(() => waitForTask.Result.AcceptAsync(91 "./assets/file-to-upload.txt",92 "./assets/pptr.png"));93 }94 [Fact]95 public async Task ShouldFailWhenAcceptingFileChooserTwice()96 {97 await Page.SetContentAsync("<input type=file>");98 var waitForTask = Page.WaitForFileChooserAsync();99 await Task.WhenAll(100 waitForTask,101 Page.ClickAsync("input"));102 var fileChooser = waitForTask.Result;103 await fileChooser.AcceptAsync();104 var ex = await Assert.ThrowsAsync<PuppeteerException>(() => waitForTask.Result.AcceptAsync());105 Assert.Equal("Cannot accept FileChooser which is already handled!", ex.Message);106 }107 }108}...

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ContaJaNFeNotifier.cs

Source:ContaJaNFeNotifier.cs Github

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...57 await page.SelectAsync("select[name=\"tipo\"]", "2");58 //Defines the invoice description59 await page.TypeAsync("textarea[name=\"descricao\"]", confs.NFDescription);60 //Clicks the upload file button and waits for the file picker to show up61 var fileChooserTask = page.WaitForFileChooserAsync();62 await Task.WhenAll(fileChooserTask, page.ClickAsync("input[name=\"documento\"]"));63 //Choses the XML file created earlier and confirms64 await fileChooserTask.Result.AcceptAsync(xmlFile.FullName);65 //Clicks the submit button and waits for the page to refresh66 await Task.WhenAll(67 page.ClickAsync("button[type=\"submit\"]"),68 page.WaitForNavigationAsync(new NavigationOptions { WaitUntil = new[] { WaitUntilNavigation.DOMContentLoaded } }));69 }70 finally71 {72 //Disposes of the temporary file created73 xmlFile.Directory.Delete(recursive: true);74 }75 }...

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PageWaitForFileChooserTests.cs

Source:PageWaitForFileChooserTests.cs Github

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...14 [Fact]15 public async Task ShouldWorkWhenFileInputIsAttachedToDOM()16 {17 await Page.SetContentAsync("<input type=file>");18 var waitForTask = Page.WaitForFileChooserAsync();19 await Task.WhenAll(20 waitForTask,21 Page.ClickAsync("input"));22 Assert.NotNull(waitForTask.Result);23 }24 [Fact]25 public async Task ShouldWorkWhenFileInputIsNotAttachedToDOM()26 {27 var waitForTask = Page.WaitForFileChooserAsync();28 await Task.WhenAll(29 waitForTask,30 Page.EvaluateFunctionAsync(@"() =>31 {32 const el = document.createElement('input');33 el.type = 'file';34 el.click();35 }"));36 Assert.NotNull(waitForTask.Result);37 }38 [Fact]39 public async Task ShouldRespectTimeout()40 {41 var ex = await Assert.ThrowsAsync<TimeoutException>(() => Page.WaitForFileChooserAsync(new WaitForFileChooserOptions42 {43 Timeout = 144 }));45 }46 [Fact]47 public async Task ShouldRespectTimeoutWhenThereIsNoCustomTimeout()48 {49 Page.DefaultTimeout = 1;50 var ex = await Assert.ThrowsAsync<TimeoutException>(() => Page.WaitForFileChooserAsync());51 }52 [Fact]53 public async Task ShouldPrioritizeExactTimeoutOverDefaultTimeout()54 {55 Page.DefaultTimeout = 0;56 var ex = await Assert.ThrowsAsync<TimeoutException>(() => Page.WaitForFileChooserAsync(new WaitForFileChooserOptions57 {58 Timeout = 159 }));60 }61 [Fact]62 public async Task ShouldWorkWithNoTimeout()63 {64 var waitForTask = Page.WaitForFileChooserAsync(new WaitForFileChooserOptions { Timeout = 0 });65 await Task.WhenAll(66 waitForTask,67 Page.EvaluateFunctionAsync(@"() => setTimeout(() =>68 {69 const el = document.createElement('input');70 el.type = 'file';71 el.click();72 }, 50)"));73 Assert.NotNull(waitForTask.Result);74 }75 [Fact]76 public async Task ShouldReturnTheSameFileChooserWhenThereAreManyWatchdogsSimultaneously()77 {78 await Page.SetContentAsync("<input type=file>");79 var fileChooserTask1 = Page.WaitForFileChooserAsync();80 var fileChooserTask2 = Page.WaitForFileChooserAsync();81 await Task.WhenAll(82 fileChooserTask1,83 fileChooserTask2,84 Page.QuerySelectorAsync("input").EvaluateFunctionAsync("input => input.click()"));85 Assert.Same(fileChooserTask1.Result, fileChooserTask2.Result);86 }87 }88}...

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FileChooser.cs

Source:FileChooser.cs Github

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...5using PuppeteerSharp.Messaging;6namespace PuppeteerSharp7{8 /// <summary>9 /// <see cref="FileChooser"/> objects are returned via the <seealso cref="Page.WaitForFileChooserAsync(WaitForFileChooserOptions)"/> method.10 /// File choosers let you react to the page requesting for a file.11 /// </summary>12 /// <example>13 /// <code>14 /// <![CDATA[15 /// var waitTask = page.WaitForFileChooserAsync();16 /// await Task.WhenAll(17 /// waitTask,18 /// page.ClickAsync("#upload-file-button")); // some button that triggers file selection19 /// 20 /// await waitTask.Result.AcceptAsync('/tmp/myfile.pdf');21 /// ]]>22 /// </code>23 /// </example>24 /// <remarks>25 /// In browsers, only one file chooser can be opened at a time.26 /// All file choosers must be accepted or canceled. Not doing so will prevent subsequent file choosers from appearing.27 /// </remarks>28 public class FileChooser29 {...

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FileChooserCancelTests.cs

Source:FileChooserCancelTests.cs Github

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...17 // Consider file chooser canceled if we can summon another one.18 // There's no reliable way in WebPlatform to see that FileChooser was19 // canceled.20 await Page.SetContentAsync("<input type=file>");21 var waitForTask = Page.WaitForFileChooserAsync();22 await Task.WhenAll(23 waitForTask,24 Page.ClickAsync("input"));25 var fileChooser = waitForTask.Result;26 await fileChooser.CancelAsync();27 await Task.WhenAll(28 Page.WaitForFileChooserAsync(),29 Page.ClickAsync("input"));30 }31 [Fact]32 public async Task ShouldFailWhenCancelingFileChooserTwice()33 {34 await Page.SetContentAsync("<input type=file>");35 var waitForTask = Page.WaitForFileChooserAsync();36 await Task.WhenAll(37 waitForTask,38 Page.ClickAsync("input"));39 var fileChooser = waitForTask.Result;40 await fileChooser.CancelAsync();41 var ex = await Assert.ThrowsAsync<PuppeteerException>(() => fileChooser.CancelAsync());42 Assert.Equal("Cannot accept FileChooser which is already handled!", ex.Message);43 }44 }45}...

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FileChooserIsMultipleTests.cs

Source:FileChooserIsMultipleTests.cs Github

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...14 [Fact]15 public async Task ShouldWorkForSingleFilePick()16 {17 await Page.SetContentAsync("<input type=file>");18 var waitForTask = Page.WaitForFileChooserAsync();19 await Task.WhenAll(20 waitForTask,21 Page.ClickAsync("input"));22 Assert.False(waitForTask.Result.IsMultiple);23 }24 [Fact]25 public async Task ShouldWorkForMultiple()26 {27 await Page.SetContentAsync("<input type=file multiple>");28 var waitForTask = Page.WaitForFileChooserAsync();29 await Task.WhenAll(30 waitForTask,31 Page.ClickAsync("input"));32 Assert.True(waitForTask.Result.IsMultiple);33 }34 35 [Fact]36 public async Task ShouldWorkForWebkitDirectory()37 {38 await Page.SetContentAsync("<input type=file multiple webkitdirectory>");39 var waitForTask = Page.WaitForFileChooserAsync();40 await Task.WhenAll(41 waitForTask,42 Page.ClickAsync("input"));43 Assert.True(waitForTask.Result.IsMultiple);44 }45 }46}...

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WaitForFileChooserOptions.cs

Source:WaitForFileChooserOptions.cs Github

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2{3 /// <summary>4 /// Optional waiting parameters.5 /// </summary>6 /// <seealso cref="Page.WaitForFileChooserAsync(WaitForFileChooserOptions)"/>7 public class WaitForFileChooserOptions8 {9 /// <summary>10 /// Maximum time to wait for in milliseconds. Defaults to 30000 (30 seconds). Pass 0 to disable timeout.11 /// The default value can be changed by setting the <see cref="Page.DefaultTimeout"/> property.12 /// </summary>13 public int Timeout { get; set; } = Puppeteer.DefaultTimeout;14 }...

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WaitForFileChooserAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions10 {11 });12 var page = await browser.NewPageAsync();13 await page.SetRequestInterceptionAsync(true);14 page.Request += async (sender, e) =>15 {16 if (e.Request.ResourceType == ResourceType.Image)17 {18 await e.Request.AbortAsync();19 }20 {21 await e.Request.ContinueAsync();22 }23 };24 await page.WaitForFileChooserAsync();25 await page.ClickAsync("input[type='file']");26 await page.Keyboard.TypeAsync(@"C:\Users\testuser\testfile.txt");27 await page.Keyboard.PressAsync("Enter");28 await browser.CloseAsync();29 }30 }31}

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WaitForFileChooserAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 {9 };10 using (var browser = await Puppeteer.LaunchAsync(options))11 using (var page = await browser.NewPageAsync())12 {13 await page.WaitForSelectorAsync("iframe");14 var frames = page.Frames;15 var frame = frames[1];16 var elementHandle = await frame.WaitForSelectorAsync("input[type=file]");17 await elementHandle.UploadFileAsync(@"C:\Users\1.txt");18 await page.WaitForSelectorAsync("input[type=submit]");19 var submit = await page.QuerySelectorAsync("input[type=submit]");20 await submit.ClickAsync();21 }22 }23 }24}25using System;26using System.Threading.Tasks;27using PuppeteerSharp;28{29 {30 static async Task Main(string[] args)31 {32 {33 };34 using (var browser = await Puppeteer.LaunchAsync(options))35 using (var page = await browser.NewPageAsync())36 {37 await page.WaitForSelectorAsync("iframe");38 var frames = page.Frames;39 var frame = frames[1];40 await page.SetFileChooserInterceptedAsync(true);41 var elementHandle = await frame.WaitForSelectorAsync("input[type=file]");42 await elementHandle.ClickAsync();43 var fileChooser = await page.WaitForFileChooserAsync();44 await fileChooser.SetFilesAsync(@"C:\Users\1.txt");45 await page.SetFileChooserInterceptedAsync(false);46 await page.WaitForSelectorAsync("input[type=submit]");47 var submit = await page.QuerySelectorAsync("input[type=submit]");48 await submit.ClickAsync();49 }50 }51 }52}

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WaitForFileChooserAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static void Main(string[] args)7 {8 MainAsync().GetAwaiter().GetResult();9 }10 static async Task MainAsync()11 {12 var browser = await Puppeteer.LaunchAsync(new LaunchOptions13 {14 });15 var page = await browser.NewPageAsync();16 var task = page.WaitForFileChooserAsync();17 await page.ClickAsync("input[type=file]");

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WaitForFileChooserAsync

Using AI Code Generation

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1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5{6 {7 static void Main(string[] args)8 {9 MainAsync().Wait();10 }11 static async Task MainAsync()12 {13 {14 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"15 };16 using (var browser = await Puppeteer.LaunchAsync(options))17 {18 var page = await browser.NewPageAsync();19 var input = await page.QuerySelectorAsync("input[type=file]");20 var fileChooser = await page.WaitForFileChooserAsync();21 await fileChooser.SetFilesAsync(@"C:\Users\Public\Pictures\Sample Pictures\Chrysanthemum.jpg");22 await input.ClickAsync();23 }24 }25 }26}27using System;28using System.IO;29using System.Threading.Tasks;30using PuppeteerSharp;31{32 {33 static void Main(string[] args)34 {35 MainAsync().Wait();36 }37 static async Task MainAsync()38 {39 {40 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"41 };42 using (var browser = await Puppeteer.LaunchAsync(options))43 {44 var page = await browser.NewPageAsync();45 var input = await page.QuerySelectorAsync("input[type=file]");

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WaitForFileChooserAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 {9 };10 var browser = await Puppeteer.LaunchAsync(options);11 var page = await browser.NewPageAsync();12 await page.SwitchToFrameAsync("iframeResult");13 var fileChooser = await page.WaitForFileChooserAsync();14 await fileChooser.SetFilesAsync(@"C:\Users\username\Desktop\test.txt");15 await page.ClickAsync("#btnSubmit");16 }17 }18}

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WaitForFileChooserAsync

Using AI Code Generation

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1var page = await browser.NewPageAsync();2await page.WaitForFileChooserAsync();3await page.ClickAsync("input[type=file]");4var page = await browser.NewPageAsync();5await page.WaitForFileChooserAsync();6await page.ClickAsync("input[type=file]");7var page = await browser.NewPageAsync();8await page.WaitForFileChooserAsync();9await page.ClickAsync("input[type=file]");10var page = await browser.NewPageAsync();11await page.WaitForFileChooserAsync();12await page.ClickAsync("input[type=file]");13var page = await browser.NewPageAsync();14await page.WaitForFileChooserAsync();15await page.ClickAsync("input[type=file]");16var page = await browser.NewPageAsync();17await page.WaitForFileChooserAsync();18await page.ClickAsync("input[type=file]");19var page = await browser.NewPageAsync();20await page.WaitForFileChooserAsync();21await page.ClickAsync("input[type=file]");22var page = await browser.NewPageAsync();23await page.WaitForFileChooserAsync();24await page.ClickAsync("input[type=file]");25var page = await browser.NewPageAsync();

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WaitForFileChooserAsync

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });10 var page = await browser.NewPageAsync();11 await page.ClickAsync("input#id-open-date-picker");12 var fileChooser = await page.WaitForFileChooserAsync();13 await fileChooser.SetFilesAsync(@"C:\Users\username\Documents\file1.txt");14 await page.ClickAsync("button#id-accept-date");15 await page.WaitForSelectorAsync("div#id-date-picker-desc");16 Console.WriteLine("File selected");17 Console.ReadLine();18 }19 }20}

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