diff --git a/src/StevesBot.Worker.Tests/Unit/HeartbeatAckDiscordEventTests.cs b/src/StevesBot.Worker.Tests/Unit/HeartbeatAckDiscordEventTests.cs
new file mode 100644
index 0000000..e69de29
diff --git a/src/StevesBot.Worker.Tests/Unit/HeartbeatDiscordEventTests.cs b/src/StevesBot.Worker.Tests/Unit/HeartbeatDiscordEventTests.cs
new file mode 100644
index 0000000..e69de29
diff --git a/src/StevesBot.Worker.Tests/Unit/HelloDiscordEventTests.cs b/src/StevesBot.Worker.Tests/Unit/HelloDiscordEventTests.cs
new file mode 100644
index 0000000..eb8f2be
--- /dev/null
+++ b/src/StevesBot.Worker.Tests/Unit/HelloDiscordEventTests.cs
@@ -0,0 +1,71 @@
+namespace StevesBot.Worker.Tests.Unit;
+
+public class HelloDiscordEventTests
+{
+  [Fact]
+  public void Constructor_WhenCalled_ItShouldInitializeProperties()
+  {
+    var helloEvent = new HelloDiscordEvent();
+    var helloData = new HelloData();
+
+    helloEvent.OpCode.Should().Be(0);
+    helloEvent.Sequence.Should().BeNull();
+    helloEvent.Type.Should().BeNull();
+    helloEvent.Data.Should().BeEquivalentTo(helloData);
+    helloData.HeartbeatInterval.Should().Be(0);
+  }
+
+  [Fact]
+  public void Constructor_WhenCalledWithParameters_ItShouldInitializeProperties()
+  {
+    var opCode = 1;
+    var sequence = 2;
+    var type = "type";
+    var heartbeatInterval = 1000;
+
+
+    var helloData = new HelloData
+    {
+      HeartbeatInterval = heartbeatInterval
+    };
+
+    var helloEvent = new HelloDiscordEvent
+    {
+      OpCode = opCode,
+      Sequence = sequence,
+      Type = type,
+      Data = helloData
+    };
+
+    helloEvent.OpCode.Should().Be(opCode);
+    helloEvent.Sequence.Should().Be(sequence);
+    helloEvent.Type.Should().Be(type);
+    helloEvent.Data.Should().BeSameAs(helloData);
+  }
+
+  [Fact]
+  public void Deserialize_WhenCalled_ItShouldReturnHelloDiscordEvent()
+  {
+    var data = new
+    {
+      op = 0,
+      s = null as int?,
+      t = null as string,
+      d = new
+      {
+        heartbeat_interval = 1000
+      }
+    };
+
+    var json = JsonSerializer.Serialize(data);
+
+    var helloEvent = JsonSerializer.Deserialize<HelloDiscordEvent>(json);
+
+    helloEvent.Should().NotBeNull();
+    helloEvent!.OpCode.Should().Be(data.op);
+    helloEvent.Sequence.Should().Be(data.s);
+    helloEvent.Type.Should().Be(data.t);
+    helloEvent.Data.Should().NotBeNull();
+    helloEvent.Data!.HeartbeatInterval.Should().Be(data.d.heartbeat_interval);
+  }
+}
\ No newline at end of file
diff --git a/src/StevesBot.Worker.Tests/Unit/ReadyDiscordEventTests.cs b/src/StevesBot.Worker.Tests/Unit/ReadyDiscordEventTests.cs
new file mode 100644
index 0000000..b7b3cde
--- /dev/null
+++ b/src/StevesBot.Worker.Tests/Unit/ReadyDiscordEventTests.cs
@@ -0,0 +1,72 @@
+namespace StevesBot.Worker.Tests.Unit;
+
+public class ReadyDiscordEventTests
+{
+  [Fact]
+  public void Constructor_WhenCalled_ItShouldInitializeProperties()
+  {
+    var readyEvent = new ReadyDiscordEvent();
+    var readyData = new ReadyData();
+
+    readyEvent.OpCode.Should().Be(0);
+    readyEvent.Sequence.Should().BeNull();
+    readyEvent.Type.Should().BeNull();
+    readyEvent.Data.Should().BeEquivalentTo(readyData);
+    readyData.Version.Should().Be(0);
+    readyData.SessionId.Should().Be(string.Empty);
+    readyData.ResumeGatewayUrl.Should().Be(string.Empty);
+  }
+
+  [Fact]
+  public void Constructor_WhenCalledWithParameters_ItShouldInitializeProperties()
+  {
+    var readyData = new ReadyData
+    {
+      Version = 1,
+      SessionId = "session_id",
+      ResumeGatewayUrl = "resume_gateway_url"
+    };
+
+    var readyEvent = new ReadyDiscordEvent
+    {
+      OpCode = 1,
+      Sequence = 2,
+      Type = "type",
+      Data = readyData
+    };
+
+    readyEvent.OpCode.Should().Be(1);
+    readyEvent.Sequence.Should().Be(2);
+    readyEvent.Type.Should().Be("type");
+    readyEvent.Data.Should().BeSameAs(readyData);
+  }
+
+  [Fact]
+  public void Deserialize_WhenCalled_ItShouldReturnReadyDiscordEvent()
+  {
+    var data = new
+    {
+      op = 0,
+      s = null as int?,
+      t = null as string,
+      d = new
+      {
+        v = 1,
+        session_id = "session_id",
+        resume_gateway_url = "resume_gateway_url"
+      }
+    };
+
+    var json = JsonSerializer.Serialize(data);
+
+    var readyEvent = JsonSerializer.Deserialize<ReadyDiscordEvent>(json);
+
+    readyEvent.Should().NotBeNull();
+    readyEvent!.OpCode.Should().Be(data.op);
+    readyEvent.Sequence.Should().Be(data.s);
+    readyEvent.Type.Should().Be(data.t);
+    readyEvent.Data.Version.Should().Be(data.d.v);
+    readyEvent.Data.SessionId.Should().Be(data.d.session_id);
+    readyEvent.Data.ResumeGatewayUrl.Should().Be(data.d.resume_gateway_url);
+  }
+}
\ No newline at end of file
diff --git a/src/StevesBot.Worker.Tests/Usings.cs b/src/StevesBot.Worker.Tests/Usings.cs
index bac0003..7d617df 100644
--- a/src/StevesBot.Worker.Tests/Usings.cs
+++ b/src/StevesBot.Worker.Tests/Usings.cs
@@ -1,5 +1,6 @@
 global using System.Net.WebSockets;
 global using System.Text;
+global using System.Text.Json;
 
 global using Microsoft.AspNetCore.Builder;
 global using Microsoft.AspNetCore.Hosting;
@@ -12,4 +13,4 @@ global using StevesBot.Worker.Discord;
 global using StevesBot.Worker.Discord.Events;
 global using StevesBot.Worker.Tests.Integration.Infrastructure;
 global using StevesBot.Worker.Threading;
-global using StevesBot.Worker.WebSockets;
+global using StevesBot.Worker.WebSockets;
\ No newline at end of file