Test - Add DevToolsClientFacts.CanCaptureScreenshot

- Capture screenshot, load data and confirm width/height match browser
ceiltop · Jun 21, 2021 · 42ffee0 · 42ffee0
1 parent ff19eaa
commit 42ffee0
Showing 1 changed file with 28 additions and 1 deletion.
diff --git a/CefSharp.Test/DevTools/DevToolsClientFacts.cs b/CefSharp.Test/DevTools/DevToolsClientFacts.cs
@@ -4,6 +4,9 @@
 
 using System;
 using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
 using System.Threading.Tasks;
 using CefSharp.DevTools.Browser;
 using CefSharp.DevTools.Emulation;
@@ -28,6 +31,31 @@ public DevToolsClientFacts(ITestOutputHelper output, CefSharpFixture fixture)
             this.output = output;
         }
 
+        [Fact]
+        public async Task CanCaptureScreenshot()
+        {
+            using (var browser = new ChromiumWebBrowser("www.google.com"))
+            {
+                await browser.LoadUrlAsync();
+
+                using (var devToolsClient = browser.GetDevToolsClient())
+                {
+                    var response = await devToolsClient.Page.CaptureScreenshotAsync();
+
+                    Assert.NotNull(response.Data);
+                    Assert.NotEqual(0, response.Data.Length);
+
+                    var image = Image.FromStream(new MemoryStream(response.Data));
+                    var size = browser.Size;
+
+                    Assert.NotNull(image);
+                    Assert.Equal(ImageFormat.Png, image.RawFormat);
+                    Assert.Equal(size.Width, image.Width);
+                    Assert.Equal(size.Height, image.Height);
+                }
+            }
+        }
+
         [Fact]
         public void CanConvertDevToolsObjectToDictionary()
         {
@@ -49,7 +77,6 @@ public void CanConvertDevToolsObjectToDictionary()
             Assert.Equal("fullscreen", (string)dict["windowState"]);
         }
 
-
         [Fact]
         public async Task CanGetDevToolsProtocolVersion()
         {