Add test to indicate AngleSharp is the issue with the html entity enc…

…oding Also found out turning on IsNotConsumingCharacterReferences does not fix the issue and causes a strange result: Expected: <html><head></head><body><div><&> ©</div></body></html> Actual: <html><head></head><body><div>&lt;&amp;&gt;&nbsp;&copy;</div></body></html>
milkshakesoftware · Sep 15, 2023 · d6ad7af · d6ad7af
1 parent 1f19019
commit d6ad7af
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/PreMailer.Net/PreMailer.Net.Tests/AngleSharpTests.cs b/PreMailer.Net/PreMailer.Net.Tests/AngleSharpTests.cs
@@ -0,0 +1,21 @@
+using AngleSharp;
+using AngleSharp.Html.Parser;
+using Xunit;
+
+namespace PreMailer.Net.Tests;
+
+public class AngleSharpTests
+{
+	[Fact]
+	public void HtmlDocument_ToHtml_ShouldNotEffectHtmlEntities()
+	{
+		string htmlEncoded = "&lt;&amp;&gt;&nbsp;&copy;";
+		string input = $"<html><head></head><body><div>{htmlEncoded}</div></body></html>";
+		var document = new HtmlParser(new HtmlParserOptions()
+		{
+			IsNotConsumingCharacterReferences = true
+		}).ParseDocument(input);
+		var output = document.ToHtml();
+		Assert.Equal<object>(input, output); // use object to get full string output
+	}
+}