From 9e4384fdea65c1d8ea72026f3ed149ad249de0f6 Mon Sep 17 00:00:00 2001
From: Jamie Pollock <jamie.pollock@rhythmagency.com>
Date: Fri, 26 Jan 2024 18:02:53 -0500
Subject: [PATCH] feat (Tests): adds tests for
 DefaultDropPictureImageTagHelperRenderer

---
 ...faultPictureImageTagHelperRendererTests.cs | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 tests/Rhythm.Drop.Web.Tests/TagHelperRenderers/Images/DefaultPictureImageTagHelperRendererTests.cs

diff --git a/tests/Rhythm.Drop.Web.Tests/TagHelperRenderers/Images/DefaultPictureImageTagHelperRendererTests.cs b/tests/Rhythm.Drop.Web.Tests/TagHelperRenderers/Images/DefaultPictureImageTagHelperRendererTests.cs
new file mode 100644
index 0000000..19a287a
--- /dev/null
+++ b/tests/Rhythm.Drop.Web.Tests/TagHelperRenderers/Images/DefaultPictureImageTagHelperRendererTests.cs
@@ -0,0 +1,46 @@
+namespace Rhythm.Drop.Web.Tests.TagHelperRenderers.Images;
+
+using Rhythm.Drop.Models.Images;
+using Rhythm.Drop.Web.Infrastructure;
+using Rhythm.Drop.Web.Infrastructure.TagHelperRenderers.Images;
+using Rhythm.Drop.Web.TagHelperRenderers.Images;
+using System.Threading.Tasks;
+
+[TestFixture]
+public class DefaultPictureImageTagHelperRendererTests : TagHelperRendererTestsBase
+{
+    private const string ImgTagName = "img";
+        
+    [Test]
+    public async Task RenderAsync_With_Valid_Image_Should_Return_Output_With_Modified_Content()
+    {
+        // arrange
+        var tagHelperRenderer = new DefaultDropPictureTagHelperRenderer();
+        var image = new Image("/image.gif", "Test", 200, 200);
+        var rendererContext = new DropImageTagHelperRendererContext(image, LoadingMode.Default);
+        var context = CreateTagHelperContext(ImgTagName);
+        var output = CreateTagHelperOutput(ImgTagName);
+
+        await tagHelperRenderer.RenderAsync(rendererContext, context, output);
+
+        Assert.That(output.IsContentModified, Is.True);
+    }
+
+    [Test]
+    public async Task RenderAsync_With_No_Valid_Image_Should_Return_Output_With_Suppressed_Content()
+    {
+        // arrange
+        var tagHelperRenderer = new DefaultDropPictureTagHelperRenderer();
+        var rendererContext = new DropImageTagHelperRendererContext(default, LoadingMode.Default);
+        var context = CreateTagHelperContext(ImgTagName);
+        var output = CreateTagHelperOutput(ImgTagName);
+
+        await tagHelperRenderer.RenderAsync(rendererContext, context, output);
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(output.TagName, Is.Default);
+            Assert.That(output.Content.IsEmptyOrWhiteSpace, Is.True);
+        });
+    }
+}