added unit test

tests/UnitTest/MainTest.cs

@@ -0,0 +1,30 @@
+using Microsoft.Extensions.DependencyInjection;
+using BotSharp.Abstraction.Conversations;
+using BotSharp.Core.Evaluations;
+using BotSharp.Plugin.ChatHub.Hooks;
+
+namespace UnitTest
+{    
+    [TestClass]
+    public class MainTest
+    {
+        [TestMethod]
+        public void TestConversationHookProvider()
+        {
+            var services = new ServiceCollection();
+
+            services.AddSingleton<IConversationHook, EvaluationConversationHook>();
+            services.AddSingleton<IConversationHook, WelcomeHook>();
+            services.AddSingleton<IConversationHook, ChatHubConversationHook>();
+            services.AddSingleton<ConversationHookProvider>();
+
+            var serviceProvider = services.BuildServiceProvider();
+            var conversationHookProvider = serviceProvider.GetService<ConversationHookProvider>();
+            
+            Assert.AreEqual(3, conversationHookProvider.Hooks.Count());
+
+            // ChatHubConversationHook has the top priority
+            Assert.IsInstanceOfType<ChatHubConversationHook>(conversationHookProvider.HooksOrderByPriority.FirstOrDefault());
+        }
+    }
+}

tests/UnitTest/UnitTest.csproj

@@ -13,10 +13,16 @@
     <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" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.2" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
     <PackageReference Include="coverlet.collector" Version="6.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
   </ItemGroup>
-
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Infrastructure\BotSharp.Abstraction\BotSharp.Abstraction.csproj" />
+    <ProjectReference Include="..\..\src\Infrastructure\BotSharp.Core\BotSharp.Core.csproj" />
+    <ProjectReference Include="..\..\src\Plugins\BotSharp.Plugin.ChatHub\BotSharp.Plugin.ChatHub.csproj" />
+  </ItemGroup>
 </Project>

tests/UnitTest/UnitTest1.cs

@@ -1,11 +0,0 @@
-namespace UnitTest
-{
-    [TestClass]
-    public class UnitTest1
-    {
-        [TestMethod]
-        public void TestMethod1()
-        {
-        }
-    }
-}