Added tests for TwitchChat emote processor (#214)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

src/TagzApp.Providers.TwitchChat/ChatClient.cs

@@ -246,17 +246,7 @@ private void ProcessMessage(string msg)
 			var badges = ChatClient.reBadges.Match(msg).Groups[1].Value.Split(',');
 
 			// Handle Emotes
-			var emotesRaw = ChatClient.reEmotes.Match(msg).Groups[1].Value.Replace(';', ' ').Split('/', StringSplitOptions.TrimEntries);
-			var emotes = new List<Emote>(emotesRaw.Length);
-			if ((emotesRaw?.Any() ?? false) && !string.IsNullOrEmpty(emotesRaw.First()))
-			{
-				foreach (var emote in emotesRaw)
-				{
-					var parts = emote.Split(":");
-					var positions = parts[1].Split("-");
-					emotes.Add(new Emote(int.Parse(positions[0]), int.Parse(positions[1]) - int.Parse(positions[0]) + 1, $"https://static-cdn.jtvnw.net/emoticons/v2/{parts[0]}/static/light/2.0"));
-				}
-			}
+			List<Emote> emotes = IdentifyEmotes(msg);
 
 			message = ChatClient.reChatMessage.Match(msg).Groups[1].Value;
 			Logger.LogTrace($"Message received from '{userName}': {message}");
@@ -290,6 +280,23 @@ private void ProcessMessage(string msg)
 
 	}
 
+	internal static List<Emote> IdentifyEmotes(string msg)
+	{
+		var emotesRaw = ChatClient.reEmotes.Match(msg).Groups[1].Value.Replace(';', ' ').Split('/', StringSplitOptions.TrimEntries);
+		var emotes = new List<Emote>(emotesRaw.Length);
+		if ((emotesRaw?.Any() ?? false) && !string.IsNullOrEmpty(emotesRaw.First()))
+		{
+			foreach (var emote in emotesRaw)
+			{
+				var parts = emote.Split(":");
+				var positions = parts[1].Split("-");
+				emotes.Add(new Emote(int.Parse(positions[0]), int.Parse(positions[1]) - int.Parse(positions[0]) + 1, $"https://static-cdn.jtvnw.net/emoticons/v2/{parts[0]}/static/light/2.0"));
+			}
+		}
+
+		return emotes;
+	}
+
 	private string ReadMessage()
 	{
 

src/TagzApp.Providers.TwitchChat/TagzApp.Providers.TwitchChat.csproj

@@ -7,6 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+		<InternalsVisibleTo Include="TagzApp.UnitTest" />
 		<PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="8.0.0-rc.1.23419.4" />
 		<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.0-rc.1.23419.4" />
 		<PackageReference Include="Microsoft.Extensions.Http" Version="8.0.0-rc.1.23419.4" />

src/TagzApp.UnitTest/TagzApp.UnitTest.csproj

@@ -27,6 +27,7 @@
     <ProjectReference Include="..\TagzApp.Common\TagzApp.Common.csproj" />
     <ProjectReference Include="..\TagzApp.Providers.Blazot\TagzApp.Providers.Blazot.csproj" />
     <ProjectReference Include="..\TagzApp.Providers.Mastodon\TagzApp.Providers.Mastodon.csproj" />
+    <ProjectReference Include="..\TagzApp.Providers.TwitchChat\TagzApp.Providers.TwitchChat.csproj" />
     <ProjectReference Include="..\TagzApp.Providers.Youtube\TagzApp.Providers.Youtube.csproj" />
   </ItemGroup>
 

src/TagzApp.UnitTest/TwitchChat/ChatClient/GivenMessageWithEmotes.cs

@@ -0,0 +1,36 @@
+using SUT = TagzApp.Providers.TwitchChat.ChatClient;
+
+namespace TagzApp.UnitTest.TwitchChat.ChatClient;
+
+
+public class GivenMessageWithEmotes
+{
+
+	const string RawMessageWithEmotes = """
+		@badge-info=subscriber/65;badges=vip/1,subscriber/48,glitchcon2020/1;client-nonce=1b97cd0780e2dc2b5f61d800a6f7d278;color=#1E90FF;display-name=csharpfritz;emotes=302930318:8-18/140102:97-107;first-msg=0;flags=;id=c986dadb-d9d5-4cb2-b8bb-953792fb6a41;mod=0;returning-chatter=0;room-id=63208102;subscriber=1;tmi-sent-ts=1695218877167;turbo=0;user-id=96909659;user-type=;vip=1 :csharpfritz!csharpfritz@csharpfritz.tmi.twitch.tv PRIVMSG #fiercekittenz :Lasers! csharpGuess  and challenge coins?  I've wanted to pull the trigger on those for a while! kittenzHypu
+		""";
+
+	[Fact]
+	public void ShouldReturnMultipleEmotes()
+	{
+
+		var outEmotes = SUT.IdentifyEmotes(RawMessageWithEmotes);
+
+		Assert.Equal(2, outEmotes.Count);
+
+	}
+
+	[Fact]
+	public void ShouldReturnCorrectEmotes()
+	{
+
+		var outEmotes = SUT.IdentifyEmotes(RawMessageWithEmotes);
+		var testEmote = outEmotes.First();
+
+		Assert.Contains("302930318", testEmote.ImageUrl);
+		Assert.Equal(8, testEmote.Pos);
+		Assert.Equal(11, testEmote.Length);
+
+	}
+
+}

src/TagzApp.UnitTest/TwitchChat/ChatClient/GivenMessageWithoutEmotes.cs

@@ -0,0 +1,22 @@
+using SUT = TagzApp.Providers.TwitchChat.ChatClient;
+
+namespace TagzApp.UnitTest.TwitchChat.ChatClient;
+
+public class GivenMessageWithoutEmotes
+{
+
+	const string RawMessage = """
+		@badge-info=subscriber/65;badges=vip/1,subscriber/48,glitchcon2020/1;client-nonce=1b97cd0780e2dc2b5f61d800a6f7d278;color=#1E90FF;display-name=csharpfritz;emotes=;first-msg=0;flags=;id=c986dadb-d9d5-4cb2-b8bb-953792fb6a41;mod=0;returning-chatter=0;room-id=63208102;subscriber=1;tmi-sent-ts=1695218877167;turbo=0;user-id=96909659;user-type=;vip=1 :csharpfritz!csharpfritz@csharpfritz.tmi.twitch.tv PRIVMSG #fiercekittenz :Lasers! and challenge coins?  I've wanted to pull the trigger on those for a while!
+		""";
+
+	[Fact]
+	public void ShouldReturnMultipleEmotes()
+	{
+
+		var outEmotes = SUT.IdentifyEmotes(RawMessage);
+
+		Assert.Empty(outEmotes);
+
+	}
+
+}