How to use ScreenshotHelper class of PuppeteerSharp.Tests package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.ScreenshotHelper

PageScreenshotTests.cs

Source:PageScreenshotTests.cs Github

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...34 }35 await page.ScreenshotAsync(outputFile);36 fileInfo = new FileInfo(outputFile);37 Assert.True(new FileInfo(outputFile).Length > 0);38 Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", outputFile));39 if (fileInfo.Exists)40 {41 fileInfo.Delete();42 }43 }44 }45 [PuppeteerFact(Timeout = -1)]46 public async Task Usage()47 {48 var outputFile = Path.Combine(BaseDirectory, "Usage.png");49 var fileInfo = new FileInfo(outputFile);50 if (fileInfo.Exists)51 {52 fileInfo.Delete();53 }54 #region ScreenshotAsync55 using var browserFetcher = new BrowserFetcher();56 await browserFetcher.DownloadAsync();57 await using var browser = await Puppeteer.LaunchAsync(58 new LaunchOptions { Headless = true });59 await using var page = await browser.NewPageAsync();60 await page.GoToAsync("http://www.google.com");61 await page.ScreenshotAsync(outputFile);62 #endregion63 Assert.True(File.Exists(outputFile));64 }65 [PuppeteerTest("screenshot.spec.ts", "Page.screenshot", "should work")]66 [SkipBrowserFact(skipFirefox: true)]67 public async Task ShouldWork()68 {69 await using (var page = await Context.NewPageAsync())70 {71 await page.SetViewportAsync(new ViewPortOptions72 {73 Width = 500,74 Height = 50075 });76 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");77 var screenshot = await page.ScreenshotDataAsync();78 Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", screenshot));79 }80 }81 [PuppeteerTest("screenshot.spec.ts", "Page.screenshot", "should clip rect")]82 [PuppeteerFact]83 public async Task ShouldClipRect()84 {85 await using (var page = await Context.NewPageAsync())86 {87 await page.SetViewportAsync(new ViewPortOptions88 {89 Width = 500,90 Height = 50091 });92 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");93 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions94 {95 Clip = new Clip96 {97 X = 50,98 Y = 100,99 Width = 150,100 Height = 100101 }102 });103 Assert.True(ScreenshotHelper.PixelMatch("screenshot-clip-rect.png", screenshot));104 }105 }106 [PuppeteerFact]107 public async Task ShouldClipScale()108 {109 await using (var page = await Context.NewPageAsync())110 {111 await page.SetViewportAsync(new ViewPortOptions112 {113 Width = 500,114 Height = 500115 });116 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");117 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions118 {119 Clip = new Clip120 {121 X = 50,122 Y = 100,123 Width = 150,124 Height = 100,125 Scale = 2126 }127 });128 Assert.True(ScreenshotHelper.PixelMatch("screenshot-clip-rect-scale.png", screenshot));129 }130 }131 [SkipBrowserFact(skipFirefox: true)]132 public async Task ShouldClipElementsToTheViewport()133 {134 await using (var page = await Context.NewPageAsync())135 {136 await page.SetViewportAsync(new ViewPortOptions { Width = 500, Height = 500 });137 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");138 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions139 {140 Clip = new Clip141 {142 X = 50,143 Y = 600,144 Width = 100,145 Height = 100146 }147 });148 Assert.True(ScreenshotHelper.PixelMatch("screenshot-offscreen-clip.png", screenshot));149 }150 }151 [PuppeteerTest("screenshot.spec.ts", "Page.screenshot", "should run in parallel")]152 [PuppeteerFact]153 public async Task ShouldRunInParallel()154 {155 await using (var page = await Context.NewPageAsync())156 {157 await page.SetViewportAsync(new ViewPortOptions158 {159 Width = 500,160 Height = 500161 });162 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");163 var tasks = new List<Task<byte[]>>();164 for (var i = 0; i < 3; ++i)165 {166 tasks.Add(page.ScreenshotDataAsync(new ScreenshotOptions167 {168 Clip = new Clip169 {170 X = 50 * i,171 Y = 0,172 Width = 50,173 Height = 50174 }175 }));176 }177 await Task.WhenAll(tasks);178 Assert.True(ScreenshotHelper.PixelMatch("grid-cell-1.png", tasks[0].Result));179 }180 }181 [PuppeteerTest("screenshot.spec.ts", "Page.screenshot", "should take fullPage screenshots")]182 [SkipBrowserFact(skipFirefox: true)]183 public async Task ShouldTakeFullPageScreenshots()184 {185 await using (var page = await Context.NewPageAsync())186 {187 await page.SetViewportAsync(new ViewPortOptions188 {189 Width = 500,190 Height = 500191 });192 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");193 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions194 {195 FullPage = true196 });197 Assert.True(ScreenshotHelper.PixelMatch("screenshot-grid-fullpage.png", screenshot));198 }199 }200 [PuppeteerTest("screenshot.spec.ts", "Page.screenshot", "should run in parallel in multiple pages")]201 [SkipBrowserFact(skipFirefox: true)]202 public async Task ShouldRunInParallelInMultiplePages()203 {204 var n = 2;205 var pageTasks = new List<Task<Page>>();206 for (var i = 0; i < n; i++)207 {208 async Task<Page> func()209 {210 var page = await Context.NewPageAsync();211 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");212 return page;213 }214 pageTasks.Add(func());215 }216 await Task.WhenAll(pageTasks);217 var screenshotTasks = new List<Task<byte[]>>();218 for (var i = 0; i < n; i++)219 {220 screenshotTasks.Add(pageTasks[i].Result.ScreenshotDataAsync(new ScreenshotOptions221 {222 Clip = new Clip223 {224 X = 50 * i,225 Y = 0,226 Width = 50,227 Height = 50228 }229 }));230 }231 await Task.WhenAll(screenshotTasks);232 for (var i = 0; i < n; i++)233 {234 Assert.True(ScreenshotHelper.PixelMatch($"grid-cell-{i}.png", screenshotTasks[i].Result));235 }236 var closeTasks = new List<Task>();237 for (var i = 0; i < n; i++)238 {239 closeTasks.Add(pageTasks[i].Result.CloseAsync());240 }241 await Task.WhenAll(closeTasks);242 }243 [PuppeteerTest("screenshot.spec.ts", "Page.screenshot", "should allow transparency")]244 [SkipBrowserFact(skipFirefox: true)]245 public async Task ShouldAllowTransparency()246 {247 await using (var page = await Context.NewPageAsync())248 {249 await page.SetViewportAsync(new ViewPortOptions250 {251 Width = 100,252 Height = 100253 });254 await page.GoToAsync(TestConstants.EmptyPage);255 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions256 {257 OmitBackground = true258 });259 Assert.True(ScreenshotHelper.PixelMatch("transparent.png", screenshot));260 }261 }262 [PuppeteerTest("screenshot.spec.ts", "Page.screenshot", "should render white background on jpeg file")]263 [SkipBrowserFact(skipFirefox: true)]264 public async Task ShouldRenderWhiteBackgroundOnJpegFile()265 {266 await using (var page = await Context.NewPageAsync())267 {268 await page.SetViewportAsync(new ViewPortOptions { Width = 100, Height = 100 });269 await page.GoToAsync(TestConstants.EmptyPage);270 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions271 {272 OmitBackground = true,273 Type = ScreenshotType.Jpeg274 });275 Assert.True(ScreenshotHelper.PixelMatch("white.jpg", screenshot));276 }277 }278 [PuppeteerTest("screenshot.spec.ts", "Page.screenshot", "should work with odd clip size on Retina displays")]279 [PuppeteerFact]280 public async Task ShouldWorkWithOddClipSizeOnRetinaDisplays()281 {282 await using (var page = await Context.NewPageAsync())283 {284 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions285 {286 Clip = new Clip287 {288 X = 0,289 Y = 0,290 Width = 11,291 Height = 11292 }293 });294 Assert.True(ScreenshotHelper.PixelMatch("screenshot-clip-odd-size.png", screenshot));295 }296 }297 [PuppeteerTest("screenshot.spec.ts", "Page.screenshot", "should return base64")]298 [SkipBrowserFact(skipFirefox: true)]299 public async Task ShouldReturnBase64()300 {301 await using (var page = await Context.NewPageAsync())302 {303 await page.SetViewportAsync(new ViewPortOptions304 {305 Width = 500,306 Height = 500307 });308 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");309 var screenshot = await page.ScreenshotBase64Async();310 Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", Convert.FromBase64String(screenshot)));311 }312 }313 [PuppeteerFact]314 public void ShouldInferScreenshotTypeFromName()315 {316 Assert.Equal(ScreenshotType.Jpeg, ScreenshotOptions.GetScreenshotTypeFromFile("Test.jpg"));317 Assert.Equal(ScreenshotType.Jpeg, ScreenshotOptions.GetScreenshotTypeFromFile("Test.jpe"));318 Assert.Equal(ScreenshotType.Jpeg, ScreenshotOptions.GetScreenshotTypeFromFile("Test.jpeg"));319 Assert.Equal(ScreenshotType.Png, ScreenshotOptions.GetScreenshotTypeFromFile("Test.png"));320 Assert.Null(ScreenshotOptions.GetScreenshotTypeFromFile("Test.exe"));321 }322 [SkipBrowserFact(skipFirefox: true)]323 public async Task ShouldWorkWithQuality()324 {325 await using (var page = await Context.NewPageAsync())326 {327 await page.SetViewportAsync(new ViewPortOptions328 {329 Width = 500,330 Height = 500331 });332 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");333 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions334 {335 Type = ScreenshotType.Jpeg,336 FullPage = true,337 Quality = 100338 });339 Assert.True(ScreenshotHelper.PixelMatch("screenshot-grid-fullpage.png", screenshot));340 }341 }342 }343}...

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ScreenshotTests.cs

Source:ScreenshotTests.cs Github

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...32 }33 await page.ScreenshotAsync(outputFile);34 fileInfo = new FileInfo(outputFile);35 Assert.True(new FileInfo(outputFile).Length > 0);36 Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", outputFile));37 if (fileInfo.Exists)38 {39 fileInfo.Delete();40 }41 }42 }43 [Fact]44 public async Task ShouldWork()45 {46 using (var page = await Browser.NewPageAsync())47 {48 await page.SetViewportAsync(new ViewPortOptions49 {50 Width = 500,51 Height = 50052 });53 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");54 var screenshot = await page.ScreenshotDataAsync();55 Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", screenshot));56 }57 }58 [Fact]59 public async Task ShouldClipRect()60 {61 using (var page = await Browser.NewPageAsync())62 {63 await page.SetViewportAsync(new ViewPortOptions64 {65 Width = 500,66 Height = 50067 });68 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");69 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions70 {71 Clip = new Clip72 {73 X = 50,74 Y = 100,75 Width = 150,76 Height = 10077 }78 });79 Assert.True(ScreenshotHelper.PixelMatch("screenshot-clip-rect.png", screenshot));80 }81 }82 [Fact]83 public async Task ShouldWorkForOffscreenClip()84 {85 using (var page = await Browser.NewPageAsync())86 {87 await page.SetViewportAsync(new ViewPortOptions88 {89 Width = 500,90 Height = 50091 });92 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");93 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions94 {95 Clip = new Clip96 {97 X = 50,98 Y = 600,99 Width = 100,100 Height = 100101 }102 });103 Assert.True(ScreenshotHelper.PixelMatch("screenshot-offscreen-clip.png", screenshot));104 }105 }106 [Fact]107 public async Task ShouldRunInParallel()108 {109 using (var page = await Browser.NewPageAsync())110 {111 await page.SetViewportAsync(new ViewPortOptions112 {113 Width = 500,114 Height = 500115 });116 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");117 var tasks = new List<Task<byte[]>>();118 for (var i = 0; i < 3; ++i)119 {120 tasks.Add(page.ScreenshotDataAsync(new ScreenshotOptions121 {122 Clip = new Clip123 {124 X = 50 * i,125 Y = 0,126 Width = 50,127 Height = 50128 }129 }));130 }131 await Task.WhenAll(tasks);132 Assert.True(ScreenshotHelper.PixelMatch("grid-cell-1.png", tasks[0].Result));133 }134 }135 [Fact]136 public async Task ShouldTakeFullPageScreenshots()137 {138 using (var page = await Browser.NewPageAsync())139 {140 await page.SetViewportAsync(new ViewPortOptions141 {142 Width = 500,143 Height = 500144 });145 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");146 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions147 {148 FullPage = true149 });150 Assert.True(ScreenshotHelper.PixelMatch("screenshot-grid-fullpage.png", screenshot));151 }152 }153 [Fact]154 public async Task ShouldRunInParallelInMultiplePages()155 {156 var n = 2;157 var pageTasks = new List<Task<Page>>();158 for (var i = 0; i < n; i++)159 {160 Func<Task<Page>> func = async () =>161 {162 var page = await Browser.NewPageAsync();163 await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");164 return page;165 };166 pageTasks.Add(func());167 }168 await Task.WhenAll(pageTasks);169 var screenshotTasks = new List<Task<byte[]>>();170 for (var i = 0; i < n; i++)171 {172 screenshotTasks.Add(pageTasks[i].Result.ScreenshotDataAsync(new ScreenshotOptions173 {174 Clip = new Clip175 {176 X = 50 * i,177 Y = 0,178 Width = 50,179 Height = 50180 }181 }));182 }183 await Task.WhenAll(screenshotTasks);184 for (var i = 0; i < n; i++)185 {186 Assert.True(ScreenshotHelper.PixelMatch($"grid-cell-{i}.png", screenshotTasks[i].Result));187 }188 var closeTasks = new List<Task>();189 for (var i = 0; i < n; i++)190 {191 closeTasks.Add(pageTasks[i].Result.CloseAsync());192 }193 await Task.WhenAll(closeTasks);194 }195 [Fact]196 public async Task ShouldAllowTransparency()197 {198 using (var page = await Browser.NewPageAsync())199 {200 await page.SetViewportAsync(new ViewPortOptions201 {202 Width = 100,203 Height = 100204 });205 await page.GoToAsync(TestConstants.EmptyPage);206 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions207 {208 OmitBackground = true209 });210 Assert.True(ScreenshotHelper.PixelMatch("transparent.png", screenshot));211 }212 }213 [Fact]214 public async Task ShouldWorkWithOddClipSizeOnRetinaDisplays()215 {216 using (var page = await Browser.NewPageAsync())217 {218 var screenshot = await page.ScreenshotDataAsync(new ScreenshotOptions219 {220 Clip = new Clip221 {222 X = 0,223 Y = 0,224 Width = 11,225 Height = 11226 }227 });228 Assert.True(ScreenshotHelper.PixelMatch("screenshot-clip-odd-size.png", screenshot));229 }230 }231 }232}...

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RequestRespondTests.cs

Source:RequestRespondTests.cs Github

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...106 document.body.appendChild(img);107 return new Promise(fulfill => img.onload = fulfill);108 }", TestConstants.ServerUrl);109 var img = await Page.QuerySelectorAsync("img");110 Assert.True(ScreenshotHelper.PixelMatch("mock-binary-response.png", await img.ScreenshotDataAsync()));111 }112 [PuppeteerTest("requestinterception.spec.ts", "Request.respond", "should stringify intercepted request response headers")]113 [SkipBrowserFact(skipFirefox: true)]114 public async Task ShouldStringifyInterceptedRequestResponseHeaders()115 {116 await Page.SetRequestInterceptionAsync(true);117 Page.Request += async (_, e) =>118 {119 await e.Request.RespondAsync(new ResponseData120 {121 Status = HttpStatusCode.OK,122 Headers = new Dictionary<string, object>123 {124 ["foo"] = true...

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ElementHandleScreenshotTests.cs

Source:ElementHandleScreenshotTests.cs Github

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...26 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");27 await Page.EvaluateExpressionAsync("window.scrollBy(50, 100)");28 var elementHandle = await Page.QuerySelectorAsync(".box:nth-of-type(3)");29 var screenshot = await elementHandle.ScreenshotDataAsync();30 Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-bounding-box.png", screenshot));31 }32 [PuppeteerTest("screenshot.spec.ts", "ElementHandle.screenshot", "should take into account padding and border")]33 [PuppeteerFact]34 public async Task ShouldTakeIntoAccountPaddingAndBorder()35 {36 await Page.SetViewportAsync(new ViewPortOptions37 {38 Width = 500,39 Height = 50040 });41 await Page.SetContentAsync(@"42 something above43 <style> div {44 border: 2px solid blue;45 background: green;46 width: 50px;47 height: 50px;48 }49 </style>50 <div></div>51 ");52 var elementHandle = await Page.QuerySelectorAsync("div");53 var screenshot = await elementHandle.ScreenshotDataAsync();54 Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-padding-border.png", screenshot));55 }56 [PuppeteerTest("screenshot.spec.ts", "ElementHandle.screenshot", "should capture full element when larger than viewport")]57 [SkipBrowserFact(skipFirefox: true)]58 public async Task ShouldCaptureFullElementWhenLargerThanViewport()59 {60 await Page.SetViewportAsync(new ViewPortOptions61 {62 Width = 500,63 Height = 50064 });65 await Page.SetContentAsync(@"66 something above67 <style>68 div.to-screenshot {69 border: 1px solid blue;70 width: 600px;71 height: 600px;72 margin-left: 50px;73 }74 ::-webkit-scrollbar{75 display: none;76 }77 </style>78 <div class='to-screenshot'></div>"79 );80 var elementHandle = await Page.QuerySelectorAsync("div.to-screenshot");81 var screenshot = await elementHandle.ScreenshotDataAsync();82 Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-larger-than-viewport.png", screenshot));83 Assert.Equal(JToken.FromObject(new { w = 500, h = 500 }),84 await Page.EvaluateExpressionAsync("({ w: window.innerWidth, h: window.innerHeight })"));85 }86 [PuppeteerFact]87 public async Task ShouldScrollElementIntoView()88 {89 await Page.SetViewportAsync(new ViewPortOptions90 {91 Width = 500,92 Height = 50093 });94 await Page.SetContentAsync(@"95 something above96 <style> div.above {97 border: 2px solid blue;98 background: red;99 height: 1500px;100 }101 div.to-screenshot {102 border: 2px solid blue;103 background: green;104 width: 50px;105 height: 50px;106 }107 </style>108 <div class='above'></div>109 <div class='to-screenshot'></div>110 ");111 var elementHandle = await Page.QuerySelectorAsync("div.to-screenshot");112 var screenshot = await elementHandle.ScreenshotDataAsync();113 Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-scrolled-into-view.png", screenshot));114 }115 [PuppeteerFact]116 public async Task ShouldWorkWithARotatedElement()117 {118 await Page.SetViewportAsync(new ViewPortOptions119 {120 Width = 500,121 Height = 500122 });123 await Page.SetContentAsync(@"124 <div style='position: absolute;125 top: 100px;126 left: 100px;127 width: 100px;128 height: 100px;129 background: green;130 transform: rotateZ(200deg); '>&nbsp;</div>131 ");132 var elementHandle = await Page.QuerySelectorAsync("div");133 var screenshot = await elementHandle.ScreenshotDataAsync();134 Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-rotate.png", screenshot));135 }136 [SkipBrowserFact(skipFirefox: true)]137 public async Task ShouldFailToScreenshotADetachedElement()138 {139 await Page.SetContentAsync("<h1>remove this</h1>");140 var elementHandle = await Page.QuerySelectorAsync("h1");141 await Page.EvaluateFunctionAsync("element => element.remove()", elementHandle);142 var exception = await Assert.ThrowsAsync<PuppeteerException>(elementHandle.ScreenshotStreamAsync);143 Assert.Equal("Node is either not visible or not an HTMLElement", exception.Message);144 }145 [PuppeteerFact]146 public async Task ShouldNotHangWithZeroWidthHeightElement()147 {148 await Page.SetContentAsync(@"<div style='width: 50px; height: 0'></div>");149 var elementHandle = await Page.QuerySelectorAsync("div");150 var exception = await Assert.ThrowsAsync<PuppeteerException>(elementHandle.ScreenshotDataAsync);151 Assert.Equal("Node has 0 height.", exception.Message);152 }153 [PuppeteerFact]154 public async Task ShouldWorkForAnElementWithFractionalDimensions()155 {156 await Page.SetContentAsync("<div style=\"width:48.51px;height:19.8px;border:1px solid black;\"></div>");157 var elementHandle = await Page.QuerySelectorAsync("div");158 var screenshot = await elementHandle.ScreenshotDataAsync();159 Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-fractional.png", screenshot));160 }161 [SkipBrowserFact(skipFirefox: true)]162 public async Task ShouldWorkForAnElementWithAnOffset()163 {164 await Page.SetContentAsync("<div style=\"position:absolute; top: 10.3px; left: 20.4px;width:50.3px;height:20.2px;border:1px solid black;\"></div>");165 var elementHandle = await Page.QuerySelectorAsync("div");166 var screenshot = await elementHandle.ScreenshotDataAsync();167 Assert.True(ScreenshotHelper.PixelMatch("screenshot-element-fractional-offset.png", screenshot));168 }169 }170}...

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PageEmulateVisionDeficiencyTests.cs

Source:PageEmulateVisionDeficiencyTests.cs Github

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...18 await Page.SetViewportAsync(new ViewPortOptions { Width = 500, Height = 500 });19 await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");20 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.None);21 var screenshot = await Page.ScreenshotDataAsync();22 Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", screenshot));23 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Achromatopsia);24 screenshot = await Page.ScreenshotDataAsync();25 Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-achromatopsia.png", screenshot));26 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.BlurredVision);27 screenshot = await Page.ScreenshotDataAsync();28 Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-blurredVision.png", screenshot));29 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Deuteranopia);30 screenshot = await Page.ScreenshotDataAsync();31 Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-deuteranopia.png", screenshot));32 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Protanopia);33 screenshot = await Page.ScreenshotDataAsync();34 Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-protanopia.png", screenshot));35 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.Tritanopia);36 screenshot = await Page.ScreenshotDataAsync();37 Assert.True(ScreenshotHelper.PixelMatch("vision-deficiency-tritanopia.png", screenshot));38 await Page.EmulateVisionDeficiencyAsync(VisionDeficiency.None);39 screenshot = await Page.ScreenshotDataAsync();40 Assert.True(ScreenshotHelper.PixelMatch("screenshot-sanity.png", screenshot));41 }42 }43}...

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RespondTests.cs

Source:RespondTests.cs Github

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...57 document.body.appendChild(img);58 return new Promise(fulfill => img.onload = fulfill);59 }", TestConstants.ServerUrl);60 var img = await Page.QuerySelectorAsync("img");61 Assert.True(ScreenshotHelper.PixelMatch("mock-binary-response.png", await img.ScreenshotDataAsync()));62 }63 }64}...

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ScreenshotHelper.cs

Source:ScreenshotHelper.cs Github

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...3using SixLabors.ImageSharp;4using SixLabors.ImageSharp.PixelFormats;5namespace PuppeteerSharp.Tests6{7 public class ScreenshotHelper8 {9 public static bool PixelMatch(string screenShotFile, string fileName)10 => PixelMatch(screenShotFile, File.ReadAllBytes(fileName));11 public static bool PixelMatch(string screenShotFile, byte[] screenshot)12 {13 const int pixelThreshold = 10;14 const decimal totalTolerance = 0.05m;15 var baseImage = Image.Load(Path.Combine(TestUtils.FindParentDirectory("Screenshots"), screenShotFile));16 var compareImage = Image.Load(screenshot);17 //Just for debugging purpose18 compareImage.Save(Path.Combine(TestUtils.FindParentDirectory("Screenshots"), "test.png"));19 if (baseImage.Width != compareImage.Width || baseImage.Height != compareImage.Height)20 {21 return false;...

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Issue0764.cs

Source:Issue0764.cs Github

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...23 };24 await Task.WhenAll(25 Page.GoToAsync(TestConstants.ServerUrl + "/grid.html"),26 tcs.Task);27 Assert.True(ScreenshotHelper.PixelMatch("0.png", await tcs.Task));28 }29 }30}...

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ScreenshotHelper

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Tests;5using PuppeteerSharp.Helpers;6{7 {8 static async Task Main(string[] args)9 {10 var browser = await Puppeteer.LaunchAsync(new LaunchOptions11 {12 });13 var page = await browser.NewPageAsync();14 await page.ScreenshotAsync("google.png");15 await ScreenshotHelper.ScreenshotElementAsync(page, "#hplogo", "googlelogo.png");16 await browser.CloseAsync();17 }18 }19}20using System;21using System.Threading.Tasks;22using PuppeteerSharp;23using PuppeteerSharp.Helpers;24{25 {26 static async Task Main(string[] args)27 {28 var browser = await Puppeteer.LaunchAsync(new LaunchOptions29 {30 });31 var page = await browser.NewPageAsync();32 await page.ScreenshotAsync("google.png");33 await ScreenshotHelper.ScreenshotElementAsync(page, "#hplogo", "googlelogo.png");34 await browser.CloseAsync();35 }36 }37}38using System;39using System.Threading.Tasks;40using PuppeteerSharp;41{42 {43 static async Task Main(string[] args)44 {45 var browser = await Puppeteer.LaunchAsync(new LaunchOptions46 {47 });48 var page = await browser.NewPageAsync();49 await page.ScreenshotAsync("google.png");50 await browser.CloseAsync();51 }52 }53}54using System;55using System.Threading.Tasks;56using PuppeteerSharp;57using PuppeteerSharp.Tests;58{59 {60 static async Task Main(string[] args)61 {62 var browser = await Puppeteer.LaunchAsync(new LaunchOptions63 {

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ScreenshotHelper

Using AI Code Generation

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 Console.WriteLine("Hello World!");9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });10 var page = await browser.NewPageAsync();11 await page.ScreenshotAsync("google.png");12 await browser.CloseAsync();13 }14 }15}16using PuppeteerSharp;17using System;18using System.Threading.Tasks;19{20 {21 static async Task Main(string[] args)22 {23 Console.WriteLine("Hello World!");24 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });25 var page = await browser.NewPageAsync();26 await page.ScreenshotAsync("google.png");27 await browser.CloseAsync();28 }29 }30}31using PuppeteerSharp;32using System;33using System.Threading.Tasks;34{35 {36 static async Task Main(string[] args)37 {38 Console.WriteLine("Hello World!");39 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });40 var page = await browser.NewPageAsync();41 await page.ScreenshotAsync("google.png");42 await browser.CloseAsync();43 }44 }45}46Error CS0234 The type or namespace name 'PuppeteerSharp' does not exist in the namespace 'PuppeteerSharp.Tests' (are you missing an assembly reference?) 2.cs

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ScreenshotHelper

Using AI Code Generation

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1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5using PuppeteerSharp.Tests;6using System.Drawing.Imaging;7using System.Drawing;8using System.Linq;9{10 {11 static async Task Main(string[] args)12 {13 Console.WriteLine("Hello World!");14 {15 Args = new string[] { "--no-sandbox", "--disable-setuid-sandbox" }16 };17 using (var browser = await Puppeteer.LaunchAsync(options))18 {19 using (var page = await browser.NewPageAsync())20 {21 await page.ScreenshotAsync("screenshot.png", new ScreenshotOptions22 {23 });24 }25 }26 }27 }28}

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ScreenshotHelper

Using AI Code Generation

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1using PuppeteerSharp.Tests;2var screenshotHelper = new ScreenshotHelper();3await screenshotHelper.InitAsync();4await screenshotHelper.TakeScreenshotAsync("google.com", "google.png", new ViewPortOptions { Width = 1920, Height = 1080 });5await screenshotHelper.CloseAsync();6using PuppeteerSharp.Tests;7var screenshotHelper = new ScreenshotHelper();8await screenshotHelper.InitAsync();9await screenshotHelper.TakeScreenshotAsync("google.com", "google.png", new ViewPortOptions { Width = 1920, Height = 1080 });10await screenshotHelper.CloseAsync();

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