Should handle special characters for tags

Author: linkdotnet

LinkDotNet.Blog.IntegrationTests/Web/Pages/SearchByTagTests.cs

@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using System;
+using System.Threading.Tasks;
 using Bunit;
 using FluentAssertions;
 using LinkDotNet.Blog.TestUtilities;
@@ -26,6 +27,19 @@ public async Task ShouldOnlyDisplayTagsGivenByParameter()
             tags.Should().HaveCount(2);
         }
 
+        [Fact]
+        public async Task ShouldHandleSpecialCharacters()
+        {
+            using var ctx = new TestContext();
+            await AddBlogPostWithTagAsync("C#");
+            ctx.Services.AddScoped<IRepository>(_ => BlogPostRepository);
+            var cut = ctx.RenderComponent<SearchByTag>(p => p.Add(s => s.Tag, Uri.EscapeDataString("C#")));
+
+            var tags = cut.FindAll(".blog-card");
+
+            tags.Should().HaveCount(1);
+        }
+
         private async Task AddBlogPostWithTagAsync(string tag)
         {
             var blogPost = new BlogPostBuilder().WithTags(tag).Build();

LinkDotNet.Blog.Web/Pages/SearchByTag.razor

@@ -17,6 +17,7 @@
     IList<BlogPost> _blogPosts = new List<BlogPost>();
     protected override async Task OnInitializedAsync()
     {
+        Tag = Uri.UnescapeDataString(Tag);
         _blogPosts = (await _repository.GetAllAsync(b => b.Tags.Any(t => t.Content == Tag), b => b.UpdatedDate)).ToList();
     }
 }

LinkDotNet.Blog.Web/Shared/ShortBlogPost.razor

@@ -1,4 +1,6 @@
 @using LinkDotNet.Domain
+@using System.Net
+@using System.Web
 @inject NavigationManager _navigationManager
 @inherits MarkdownComponentBase
 <div class="blog-card @AltCssClass">
@@ -12,7 +14,7 @@
           <ul>
             @foreach (var tag in BlogPost.Tags.Select(t => t.Content))
             {
-              <li><a href="/searchByTag/@tag">@tag</a></li>
+              <li><a href="/searchByTag/@(Uri.EscapeDataString(tag))">@tag</a></li>
             }
           </ul>
         </li>