Added basic unit tests for the parser

TwitchIrcClient.sln

@@ -3,7 +3,12 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.9.34607.119
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TwitchIrcClient", "TwitchIrcClient\TwitchIrcClient.csproj", "{465639B4-4511-473A-ADC8-23B994E3C21C}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TwitchIrcClient", "TwitchIrcClient\TwitchIrcClient.csproj", "{465639B4-4511-473A-ADC8-23B994E3C21C}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TwitchIrcClientTests", "TwitchIrcClientTests\TwitchIrcClientTests.csproj", "{D1047D1F-2B92-40B3-90FE-D16E4D631333}"
+	ProjectSection(ProjectDependencies) = postProject
+		{465639B4-4511-473A-ADC8-23B994E3C21C} = {465639B4-4511-473A-ADC8-23B994E3C21C}
+	EndProjectSection
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -15,6 +20,10 @@ Global
 		{465639B4-4511-473A-ADC8-23B994E3C21C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{465639B4-4511-473A-ADC8-23B994E3C21C}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{465639B4-4511-473A-ADC8-23B994E3C21C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D1047D1F-2B92-40B3-90FE-D16E4D631333}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D1047D1F-2B92-40B3-90FE-D16E4D631333}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D1047D1F-2B92-40B3-90FE-D16E4D631333}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D1047D1F-2B92-40B3-90FE-D16E4D631333}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

TwitchIrcClient/IRC/Badge.cs

@@ -5,7 +5,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC
+namespace TwitchIrcClient.IRC
 {
     public record struct Badge(string Name, string Version)
     {

TwitchIrcClient/IRC/Callbacks.cs

@@ -3,9 +3,9 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
-using TwitchLogger.IRC.Messages;
+using TwitchIrcClient.IRC.Messages;
 
-namespace TwitchLogger.IRC
+namespace TwitchIrcClient.IRC
 {
     //public class IrcMessageEventArgs(ReceivedMessage message) : EventArgs
     //{

TwitchIrcClient/IRC/IrcConnection.cs

@@ -13,9 +13,9 @@ using System.Threading;
 using System.Threading.Tasks;
 using System.Timers;
 using TwitchIrcClient.IRC.Messages;
-using TwitchLogger.IRC.Messages;
+using TwitchIrcClient.IRC.Messages;
 
-namespace TwitchLogger.IRC
+namespace TwitchIrcClient.IRC
 {
     /// <summary>
     /// Connects to a single Twitch chat channel via limited IRC implementation.

TwitchIrcClient/IRC/IrcMessageType.cs

@@ -4,7 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC
+namespace TwitchIrcClient.IRC
 {
     public enum IrcMessageType
     {

TwitchIrcClient/IRC/MessageTags.cs

@@ -8,7 +8,7 @@ using System.Security.Cryptography;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC
+namespace TwitchIrcClient.IRC
 {
     /// <summary>
     /// Holds key-value pairs of tags. Tag names are case-sensitive and DO NOT parse

TwitchIrcClient/IRC/Messages/ClearChat.cs

@@ -5,7 +5,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC.Messages
+namespace TwitchIrcClient.IRC.Messages
 {
     public class ClearChat : ReceivedMessage
     {

TwitchIrcClient/IRC/Messages/ClearMsg.cs

@@ -5,7 +5,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC.Messages
+namespace TwitchIrcClient.IRC.Messages
 {
     /// <summary>
     /// Indicates that a message was deleted.
@@ -34,7 +34,7 @@ namespace TwitchLogger.IRC.Messages
                 string s = TryGetTag("tmi-sent-ts");
                 if (!double.TryParse(s, out double d))
                     return null;
-                return DateTime.UnixEpoch.AddSeconds(d);
+                return DateTime.UnixEpoch.AddSeconds(d / 1000);
             } 
         }
         public ClearMsg(ReceivedMessage message) : base(message)

TwitchIrcClient/IRC/Messages/Join.cs

@@ -5,11 +5,12 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC.Messages
+namespace TwitchIrcClient.IRC.Messages
 {
     public class Join : ReceivedMessage
     {
         public string Username => Prefix?.Split('!', 2).First() ?? "";
+        public string ChannelName => Parameters.Single().TrimStart('#');
         public Join(ReceivedMessage message) : base(message)
         {
             Debug.Assert(MessageType == IrcMessageType.JOIN,

TwitchIrcClient/IRC/Messages/NamReply.cs

@@ -5,14 +5,14 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC.Messages
+namespace TwitchIrcClient.IRC.Messages
 {
     public class NamReply : ReceivedMessage
     {
         public IEnumerable<string> Users =>
             Parameters.Last().Split(' ', StringSplitOptions.TrimEntries
                 | StringSplitOptions.RemoveEmptyEntries);
-
+        public string ChannelName => Parameters.TakeLast(2).First().TrimStart('#');
         public NamReply(ReceivedMessage message) : base(message)
         {
             Debug.Assert(MessageType == IrcMessageType.RPL_NAMREPLY,

TwitchIrcClient/IRC/Messages/Notice.cs

@@ -6,7 +6,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC.Messages
+namespace TwitchIrcClient.IRC.Messages
 {
     public class Notice : ReceivedMessage
     {

TwitchIrcClient/IRC/Messages/Part.cs

@@ -5,11 +5,12 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC.Messages
+namespace TwitchIrcClient.IRC.Messages
 {
     public class Part : ReceivedMessage
     {
         public string Username => Prefix?.Split('!', 2).First() ?? "";
+        public string ChannelName => Parameters.Single().TrimStart('#');
         public Part(ReceivedMessage message) : base(message)
         {
             Debug.Assert(MessageType == IrcMessageType.PART,

TwitchIrcClient/IRC/Messages/Privmsg.cs

@@ -7,7 +7,7 @@ using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC.Messages
+namespace TwitchIrcClient.IRC.Messages
 {
     /// <summary>
     /// 
@@ -109,6 +109,15 @@ namespace TwitchLogger.IRC.Messages
                 return value == "1";
             }
         }
+        public DateTime Timestamp
+        { get
+            {
+                var s = TryGetTag("tmi-sent-ts");
+                if (!double.TryParse(s, out double result))
+                    throw new InvalidDataException();
+                return DateTime.UnixEpoch.AddSeconds(result / 1000);
+            }
+        }
         /// <summary>
         /// A Boolean value that indicates whether the user has site-wide commercial
         /// free mode enabled
@@ -157,6 +166,7 @@ namespace TwitchLogger.IRC.Messages
         /// A Boolean value that determines whether the user that sent the chat is a VIP.
         /// </summary>
         public bool Vip => MessageTags.ContainsKey("vip");
+        public bool FirstMessage => TryGetTag("first-msg") == "1";
         public string ChatMessage => Parameters.Last();
         public Privmsg(ReceivedMessage message) : base(message)
         {

TwitchIrcClient/IRC/Messages/ReceivedMessage.cs

@@ -6,7 +6,7 @@ using System.Reflection.Metadata.Ecma335;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC.Messages
+namespace TwitchIrcClient.IRC.Messages
 {
     /// <summary>
     /// 
@@ -109,6 +109,8 @@ namespace TwitchLogger.IRC.Messages
                     return new Part(message);
                 case IrcMessageType.RPL_NAMREPLY:
                     return new NamReply(message);
+                case IrcMessageType.ROOMSTATE:
+                    return new Roomstate(message);
                 default:
                     return message;
             }

TwitchIrcClient/IRC/Messages/Roomstate.cs

@@ -6,8 +6,8 @@ using System.Linq;
 using System.Security.Cryptography.X509Certificates;
 using System.Text;
 using System.Threading.Tasks;
-using TwitchLogger.IRC;
-using TwitchLogger.IRC.Messages;
+using TwitchIrcClient.IRC;
+using TwitchIrcClient.IRC.Messages;
 
 namespace TwitchIrcClient.IRC.Messages
 {
@@ -86,6 +86,10 @@ namespace TwitchIrcClient.IRC.Messages
                 throw new InvalidDataException($"tag \"subs-only\" does not have a proper value: {value}");
             }
         }
+        /// <summary>
+        /// 
+        /// </summary>
+        public string ChannelName => Parameters.Last().TrimStart('#');
         public Roomstate(ReceivedMessage other) : base(other)
         {
             Debug.Assert(MessageType == IrcMessageType.ROOMSTATE,

TwitchIrcClient/IRC/Messages/UserNotice.cs

@@ -8,7 +8,7 @@ using System.Net.WebSockets;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC.Messages
+namespace TwitchIrcClient.IRC.Messages
 {
     public class UserNotice : ReceivedMessage
     {

TwitchIrcClient/IRC/RateLimiter.cs

@@ -4,7 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC
+namespace TwitchIrcClient.IRC
 {
     /// <summary>
     /// Prevents sending too many messages in a time period. A single rate limiter can

TwitchIrcClient/IRC/UserType.cs

@@ -4,7 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TwitchLogger.IRC
+namespace TwitchIrcClient.IRC
 {
     public enum UserType
     {

TwitchIrcClientTests/ParserTest.cs

@@ -0,0 +1,146 @@
+using System.Drawing;
+using System;
+using TwitchIrcClient.IRC;
+using TwitchIrcClient.IRC.Messages;
+
+namespace TwitchIrcClientTests
+{
+    [TestClass]
+    public class ParserTest
+    {
+        [TestMethod]
+        public void TestSimpleMessages()
+        {
+            var ROOMSTATE = "@emote-only=0;followers-only=-1;r9k=0;room-id=321654987;slow=0;subs-only=0 :tmi.twitch.tv ROOMSTATE #channelname";
+            var NAMREPLY = ":justinfan7550.tmi.twitch.tv 353 justinfan7550 = #channelname :user1 user2 user3 user4 user5";
+            var JOIN = ":newuser!newuser@newuser.tmi.twitch.tv JOIN #channelname";
+            var PART = ":leavinguser!leavinguser@leavinguser.tmi.twitch.tv PART #channelname";
+            var PRIVMSG = "@badge-info=subscriber/1;badges=subscriber/0;client-nonce=202e32113a3768963eded865e051fc5b;color=#AAAAFF;" +
+                "display-name=ChattingUser;emotes=;first-msg=0;flags=;id=24fe75a1-06a5-4078-a31f-cf615107b2a2;mod=0;returning-chatter=0;" +
+                "room-id=321654987;subscriber=1;tmi-sent-ts=1710920497332;turbo=0;user-id=01234567;user-type= " +
+                ":chattinguser!chattinguser@chattinguser.tmi.twitch.tv PRIVMSG #channelname :This is a test chat message";
+            var CHEER = "@badge-info=subscriber/9;badges=subscriber/9,twitch-recap-2023/1;bits=100;color=#FF0000;display-name=CheeringUser;" +
+                //I haven't fixed this emote tag after rewriting the message
+                "emotes=emotesv2_44a39d65e08f43adac871a80e9b96d85:17-24;first-msg=1;flags=;id=5eab1319-5d46-4c55-be29-33c2f834e42e;mod=0;" +
+                "returning-chatter=0;room-id=321654987;subscriber=0;tmi-sent-ts=1710920826069;turbo=1;user-id=012345678;user-type=;vip " +
+                ":cheeringuser!cheeringuser@cheeringuser.tmi.twitch.tv PRIVMSG #channelname :This includes a cheer Cheer100";
+            //var CLEARMSG = "";
+            //var CLEARROOM = "";
+
+            var _roomstate = ReceivedMessage.Parse(ROOMSTATE);
+            Assert.AreEqual(IrcMessageType.ROOMSTATE, _roomstate.MessageType);
+            if (_roomstate is Roomstate roomstate)
+            {
+                Assert.AreEqual("channelname", roomstate.ChannelName);
+                Assert.IsTrue(roomstate.MessageTags.TryGetValue("emote-only", out string emoteOnly));
+                Assert.AreEqual("0", emoteOnly);
+                Assert.IsFalse(roomstate.EmoteOnly);
+                Assert.IsTrue(roomstate.MessageTags.TryGetValue("followers-only", out string followersOnly));
+                Assert.AreEqual("-1", followersOnly);
+                Assert.AreEqual(-1, roomstate.FollowersOnly);
+                Assert.IsTrue(roomstate.MessageTags.TryGetValue("r9k", out string r9k));
+                Assert.AreEqual("0", r9k);
+                Assert.IsFalse(roomstate.UniqueMode);
+                Assert.IsTrue(roomstate.MessageTags.TryGetValue("room-id", out string roomId));
+                Assert.AreEqual("321654987", roomId);
+                Assert.AreEqual("321654987", roomstate.RoomId);
+                Assert.IsTrue(roomstate.MessageTags.TryGetValue("slow", out string slow));
+                Assert.AreEqual("0", slow);
+                Assert.AreEqual(0, roomstate.Slow);
+                Assert.IsTrue(roomstate.MessageTags.TryGetValue("subs-only", out string subsOnly));
+                Assert.AreEqual("0", subsOnly);
+                Assert.AreEqual(false, roomstate.SubsOnly);
+            }
+            else
+            {
+                Assert.Fail();
+            }
+
+            var _namReply = ReceivedMessage.Parse(NAMREPLY);
+            Assert.AreEqual(IrcMessageType.RPL_NAMREPLY, _namReply.MessageType);
+            if (_namReply is NamReply namReply)
+            {
+                Assert.AreEqual("channelname", namReply.ChannelName);
+                Assert.IsTrue("user1 user2 user3 user4 user5".Split().Order()
+                    .SequenceEqual(namReply.Users.Order()));
+            }
+            else
+            {
+                Assert.Fail();
+            }
+
+            var _join = ReceivedMessage.Parse(JOIN);
+            Assert.AreEqual(IrcMessageType.JOIN, _join.MessageType);
+            if (_join is Join join)
+            {
+                Assert.AreEqual("channelname", join.ChannelName);
+                Assert.AreEqual("newuser", join.Username);
+            }
+            else
+            {
+                Assert.Fail();
+            }
+
+            var _part = ReceivedMessage.Parse(PART);
+            Assert.AreEqual(IrcMessageType.PART, _part.MessageType);
+            if (_part is Part part)
+            {
+                Assert.AreEqual("channelname", part.ChannelName);
+                Assert.AreEqual("leavinguser", part.Username);
+            }
+            else
+            {
+                Assert.Fail();
+            }
+
+            var _priv = ReceivedMessage.Parse(PRIVMSG);
+            Assert.AreEqual(IrcMessageType.PRIVMSG, _priv.MessageType);
+            if (_priv is Privmsg priv)
+            {
+                Assert.AreEqual("This is a test chat message", priv.ChatMessage);
+                Assert.AreEqual(0, priv.Bits);
+                Assert.AreEqual("ChattingUser", priv.DisplayName);
+                Assert.AreEqual(Color.FromArgb(170, 170, 255), priv.Color);
+                Assert.AreEqual("24fe75a1-06a5-4078-a31f-cf615107b2a2", priv.Id);
+                Assert.IsFalse(priv.FirstMessage);
+                Assert.IsFalse(priv.Moderator);
+                Assert.AreEqual("321654987", priv.RoomId);
+                Assert.IsTrue(priv.Subscriber);
+                Assert.IsFalse(priv.Turbo);
+                Assert.AreEqual("01234567", priv.UserId);
+                Assert.AreEqual(UserType.Normal, priv.UserType);
+                Assert.IsFalse(priv.Vip);
+                Assert.AreEqual(new DateTime(2024, 3, 20, 7, 41, 37, 332, DateTimeKind.Utc), priv.Timestamp);
+            }
+            else
+            {
+                Assert.Fail();
+            }
+
+            var _cheer = ReceivedMessage.Parse(CHEER);
+            Assert.AreEqual(IrcMessageType.PRIVMSG, _cheer.MessageType);
+            if (_cheer is Privmsg cheer)
+            {
+                Assert.AreEqual("This includes a cheer Cheer100", cheer.ChatMessage);
+                Assert.AreEqual(100, cheer.Bits);
+                Assert.AreEqual("CheeringUser", cheer.DisplayName);
+                Assert.AreEqual(Color.FromArgb(255, 0, 0), cheer.Color);
+                Assert.AreEqual("5eab1319-5d46-4c55-be29-33c2f834e42e", cheer.Id);
+                Assert.IsTrue(cheer.FirstMessage);
+                Assert.IsFalse(cheer.Moderator);
+                Assert.AreEqual("321654987", cheer.RoomId);
+                Assert.IsFalse(cheer.Subscriber);
+                Assert.IsTrue(cheer.Turbo);
+                Assert.AreEqual("012345678", cheer.UserId);
+                Assert.AreEqual(UserType.Normal, cheer.UserType);
+                Assert.IsTrue(cheer.Vip);
+                //test that timestamp is within 1 second
+                Assert.AreEqual(new DateTime(2024, 3, 20, 7, 47, 6, 069, DateTimeKind.Utc), cheer.Timestamp);
+            }
+            else
+            {
+                Assert.Fail();
+            }
+        }
+    }
+}

TwitchIrcClientTests/TwitchIrcClientTests.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="coverlet.collector" Version="6.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.1.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.1.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\TwitchIrcClient\TwitchIrcClient.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="Microsoft.VisualStudio.TestTools.UnitTesting" />
+  </ItemGroup>
+
+</Project>