fix(dotnet-sdk): fix variable values and types in variable mapping cl…

…ass (#1161)

Fix LH variable values mapping, variable output validations and add unit tests

sdk-dotnet/LittleHorse.Sdk.Tests/LHTaskSignatureTest.cs

@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using LittleHorse.Common.Proto;
+using LittleHorse.Sdk;
 using LittleHorse.Sdk.Exceptions;
 using LittleHorse.Sdk.Worker;
 using LittleHorse.Sdk.Worker.Internal;
@@ -20,6 +21,11 @@ public class LHTaskSignatureTest
     const string DETAIL_ATTR_NAME = "detail";
     const string TELEPHONE_ATTR_NAME = "telephone";
 
+    public LHTaskSignatureTest()
+    {
+        LHLoggerFactoryProvider.Initialize(null);
+    }
+
     [Fact]
     public void TaskSignature_WithLHTaskMethodAndLHTypeAttributes_ShouldBuildLHSignatureWithInputAndOutput()
     {

sdk-dotnet/LittleHorse.Sdk.Tests/TestClasses.cs

@@ -10,7 +10,7 @@ public class Car
 
 public class Person
 {
-    public string FirstName { get; set; }
+    public string? FirstName { get; set; }
     public int Age { get; set; }
-    public List<Car> Cars { get; set; }
+    public List<Car>? Cars { get; set; }
 }

sdk-dotnet/LittleHorse.Sdk.Tests/Utils/JsonHandlerTest.cs

@@ -26,11 +26,11 @@ public void JsonHandler_WithJsonString_ShouldReturnCustomObject()
 
             var result = JsonHandler.DeserializeFromJson(jsonString, typeof(Person));
 
-            var actual = (Person) result;
+            var actual = (Person) result!;
 
             Assert.Equal("Test", actual.FirstName);
             Assert.Equal(35, actual.Age);
-            Assert.Equal(1, actual.Cars[0].Id);
+            Assert.Equal(1, actual.Cars![0].Id);
             Assert.Equal(134.45E-2f, actual.Cars[0].Cost);
         }
     }