[Image Resizer] Add option to remove metadata (#14176)

* Implements option to remove metadata (see #1928)

* Add unit test

* renamed settings switch, update ui text

* Fix exception type, add justification for swallowing exception

* Add unit test to check handling if no metadata is there in targetfile

* Reordered the checkboxes as suggested by @htcfreek

* Reduced size of test image

src/modules/imageresizer/tests/ImageResizerUITest.csproj

@@ -28,6 +28,10 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <PlatformTarget>x64</PlatformTarget>
   </PropertyGroup>
+  <ItemGroup>
+    <None Remove="TestMetadataIssue1928.jpg" />
+    <None Remove="TestMetadataIssue1928_NoMetadata.jpg" />
+  </ItemGroup>
   
   <ItemGroup>
     <ProjectReference Include="..\ui\ImageResizerUI.csproj" />
@@ -53,6 +57,12 @@
     <Content Include="Test.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="TestMetadataIssue1928.jpg">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="TestMetadataIssue1928_NoMetadata.jpg">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="TestMetadataIssue2447.jpg">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>

src/modules/imageresizer/tests/Models/ResizeOperationTests.cs

@@ -7,6 +7,7 @@ using System.IO;
 using System.Linq;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
+using ImageResizer.Extensions;
 using ImageResizer.Properties;
 using ImageResizer.Test;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
@@ -441,6 +442,50 @@ namespace ImageResizer.Models
             Assert.IsTrue(File.Exists(_directory + @"\Directory\Test (Test).png"));
         }
 
+        [TestMethod]
+        public void StripMetadata()
+        {
+            var operation = new ResizeOperation(
+                "TestMetadataIssue1928.jpg",
+                _directory,
+                Settings(
+                    x =>
+                    {
+                        x.RemoveMetadata = true;
+                    }));
+
+            operation.Execute();
+
+            AssertEx.Image(
+                _directory.File(),
+                image => Assert.IsNull(((BitmapMetadata)image.Frames[0].Metadata).DateTaken));
+            AssertEx.Image(
+                _directory.File(),
+                image => Assert.IsNotNull(((BitmapMetadata)image.Frames[0].Metadata).GetQuerySafe("System.Photo.Orientation")));
+        }
+
+        [TestMethod]
+        public void StripMetadataWhenNoMetadataPresent()
+        {
+            var operation = new ResizeOperation(
+                "TestMetadataIssue1928_NoMetadata.jpg",
+                _directory,
+                Settings(
+                    x =>
+                    {
+                        x.RemoveMetadata = true;
+                    }));
+
+            operation.Execute();
+
+            AssertEx.Image(
+                _directory.File(),
+                image => Assert.IsNull(((BitmapMetadata)image.Frames[0].Metadata).DateTaken));
+            AssertEx.Image(
+                _directory.File(),
+                image => Assert.IsNull(((BitmapMetadata)image.Frames[0].Metadata).GetQuerySafe("System.Photo.Orientation")));
+        }
+
         private static Settings Settings(Action<Settings> action = null)
         {
             var settings = new Settings()