[Blazor][Fixes #14999] Razor Class Library Static Assets with spaces do not resolve (#15024)

Author: javiercn

src/Hosting/Hosting/src/StaticWebAssets/StaticWebAssetsFileProvider.cs

@@ -46,7 +46,7 @@ public IDirectoryContents GetDirectoryContents(string subpath)
             }
             else
             {
-                return InnerProvider.GetDirectoryContents(physicalPath);
+                return InnerProvider.GetDirectoryContents(physicalPath.Value);
             }
         }
 
@@ -59,7 +59,7 @@ public IFileInfo GetFileInfo(string subpath)
             }
             else
             {
-                return InnerProvider.GetFileInfo(physicalPath);
+                return InnerProvider.GetFileInfo(physicalPath.Value);
             }
         }
 

src/Hosting/Hosting/test/Microsoft.AspNetCore.Hosting.Tests.csproj

@@ -9,6 +9,7 @@
     <Compile Include="$(SharedSourceRoot)EventSource.Testing\TestEventListener.cs" />
     <Compile Include="$(SharedSourceRoot)EventSource.Testing\TestCounterListener.cs" />
     <Content Include="testroot\**\*" CopyToOutputDirectory="PreserveNewest" CopyToPublishDirectory="PreserveNewest" />
+    <None Remove="testroot\wwwroot\Static Web Assets.txt" />
     <Content Include="Microsoft.AspNetCore.Hosting.StaticWebAssets.xml" CopyToOutputDirectory="PreserveNewest" />
   </ItemGroup>
 

src/Hosting/Hosting/test/StaticWebAssets/StaticWebAssetsFileProviderTests.cs

@@ -37,6 +37,17 @@ public void StaticWebAssetsFileProvider_Constructor_DoesNotPrependPrefixWithSlas
             Assert.Equal("/_content", provider.BasePath);
         }
 
+        [Fact]
+        public void StaticWebAssetsFileProvider_FindsFileWithSpaces()
+        {
+            // Arrange & Act
+            var provider = new StaticWebAssetsFileProvider("/_content",
+                Path.Combine(AppContext.BaseDirectory, "testroot", "wwwroot"));
+
+            // Assert
+            Assert.True(provider.GetFileInfo("/_content/Static Web Assets.txt").Exists);
+        }
+
         [Fact]
         public void GetFileInfo_DoesNotMatch_IncompletePrefixSegments()
         {

src/Hosting/Hosting/test/testroot/wwwroot/Static Web Assets.txt

@@ -0,0 +1 @@
+This file is here to validate that the static web assets file provider respect spaces.