Set OgData for archive

Author: linkdotnet

src/LinkDotNet.Blog.Web/Features/Archive/ArchivePage.razor

@@ -2,6 +2,9 @@
 @using LinkDotNet.Blog.Infrastructure.Persistence
 @using LinkDotNet.Blog.Domain
 @inject IRepository<BlogPost> repository
+
+<OgData Title="Archive"></OgData>
+
 <div class="ps-2">
     <h3 class="pb-3">Archive</h3>
 

src/LinkDotNet.Blog.Web/Features/Components/OgData.razor

@@ -2,7 +2,10 @@
 
 <HeadContent>
     <meta name="title" property="og:title" content="@Title" />
-    <meta name="image" property="og:image" content="@AbsolutePreviewImageUrl" />
+    @if (AbsolutePreviewImageUrl != null)
+    {
+        <meta name="image" property="og:image" content="@AbsolutePreviewImageUrl"/>
+    }
     <meta property="og:type" content="article" />
     <meta property="og:url" content="@navigationManager.Uri" />
     @if (Keywords != null)

tests/LinkDotNet.Blog.UnitTests/Web/Features/Archive/ArchivePageTests.cs

@@ -34,4 +34,23 @@ public void ShouldShowLoading()
 
         cut.FindComponents<Loading>().Count.Should().Be(1);
     }
+
+    [Fact]
+    public void ShouldSetOgData()
+    {
+        var repository = new Mock<IRepository<BlogPost>>();
+        Services.AddScoped(_ => repository.Object);
+        repository.Setup(r => r.GetAllAsync(
+            It.IsAny<Expression<Func<BlogPost, bool>>>(),
+            It.IsAny<Expression<Func<BlogPost, object>>>(),
+            It.IsAny<bool>(),
+            It.IsAny<int>(),
+            It.IsAny<int>()))
+            .ReturnsAsync(new PagedList<BlogPost>(Array.Empty<BlogPost>(), 1, 1));
+
+        var cut = RenderComponent<ArchivePage>();
+
+        var ogData = cut.FindComponent<OgData>().Instance;
+        ogData.Title.Should().Contain("Archive");
+    }
 }

tests/LinkDotNet.Blog.UnitTests/Web/Features/Components/OgDataTests.cs

@@ -25,6 +25,19 @@ public void ShouldRenderMetaTagsWhenSet()
         AssertMetaTagExistsWithValue(cut, "description", "Description", "og:description");
     }
 
+    [Fact]
+    public void ShouldNotSetMetaInformationWhenNotProvided()
+    {
+        ComponentFactories.AddStub<HeadContent>(ps => ps.Get(p => p.ChildContent));
+
+        var cut = RenderComponent<OgData>(p => p
+            .Add(s => s.Title, "Title"));
+
+        GetMetaTagExists(cut, "image").Should().BeFalse();
+        GetMetaTagExists(cut, "keywords").Should().BeFalse();
+        GetMetaTagExists(cut, "description").Should().BeFalse();
+    }
+
     private static void AssertMetaTagExistsWithValue(
         IRenderedFragment cut,
         string metaTag,
@@ -41,4 +54,12 @@ private static void AssertMetaTagExistsWithValue(
             titleMetaTag.Attributes.Any(a => a.Value == ogPropertyName).Should().BeTrue();
         }
     }
+
+    private static bool GetMetaTagExists(
+        IRenderedFragment cut,
+        string metaTag)
+    {
+        var metaTags = cut.FindAll("meta");
+        return metaTags.Any(m => m.Attributes.Any(a => a.Value == metaTag));
+    }
 }