From fdff425bf1b1b3b39bbc552149559f83cdfb7278 Mon Sep 17 00:00:00 2001
From: Ogoun <ogoun@users.noreply.github.com>
Date: Tue, 9 Apr 2019 16:37:46 +0300
Subject: [PATCH] DTO runtime build unit test

---
 ZeroLevel.UnitTests/ReflectionTests.cs        | 39 +++++++++++++++++++
 .../ZeroLevel.UnitTests.csproj                |  1 +
 ZeroLevel/Services/Reflection/TypeHelpers.cs  |  9 +++++
 3 files changed, 49 insertions(+)
 create mode 100644 ZeroLevel.UnitTests/ReflectionTests.cs

diff --git a/ZeroLevel.UnitTests/ReflectionTests.cs b/ZeroLevel.UnitTests/ReflectionTests.cs
new file mode 100644
index 0000000..8bfa194
--- /dev/null
+++ b/ZeroLevel.UnitTests/ReflectionTests.cs
@@ -0,0 +1,39 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
+using ZeroLevel.Services.ObjectMapping;
+using ZeroLevel.Services.Reflection;
+
+namespace ZeroLevel.ReflectionUnitTests
+{
+    [TestClass]
+    public class ReflectionTests
+    {
+        [TestMethod]
+        public void TestDTORuntymeBuildedTypes()
+        {
+            // Arrange
+            var date = DateTime.Now;
+            var typeBuilder = new DTOTypeBuilder("MyType");
+            typeBuilder.AppendField<string>("Title");
+            typeBuilder.AppendProperty<long>("Id");
+            typeBuilder.AppendProperty<DateTime>("Created");
+
+            var type = typeBuilder.Complete();
+
+            // Act
+            var mapper = TypeMapper.Create(type);
+            var instance = TypeHelpers.CreateNonInitializedInstance(type);
+            mapper.Set(instance, "Title", "This is title");
+            mapper.Set(instance, "Id", 1001001);
+            mapper.Set(instance, "Created", date);
+
+            // Assert
+            Assert.IsTrue(mapper.Exists("Title"));
+            Assert.IsTrue(mapper.Exists("Id"));
+            Assert.IsTrue(mapper.Exists("Created"));
+            Assert.AreEqual(mapper.Get(instance, "Id"), (long)1001001);
+            Assert.AreEqual(mapper.Get(instance, "Created"), date);
+            Assert.AreEqual(mapper.Get(instance, "Title"), "This is title");
+        }
+    }
+}
diff --git a/ZeroLevel.UnitTests/ZeroLevel.UnitTests.csproj b/ZeroLevel.UnitTests/ZeroLevel.UnitTests.csproj
index 8e255e4..2e80525 100644
--- a/ZeroLevel.UnitTests/ZeroLevel.UnitTests.csproj
+++ b/ZeroLevel.UnitTests/ZeroLevel.UnitTests.csproj
@@ -70,6 +70,7 @@
     <Compile Include="Models\TestDTO.cs" />
     <Compile Include="PredicateBuilderTests.cs" />
     <Compile Include="QueriesTests.cs" />
+    <Compile Include="ReflectionTests.cs" />
     <Compile Include="SerializationTests.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SpecificationPatternTest.cs" />
diff --git a/ZeroLevel/Services/Reflection/TypeHelpers.cs b/ZeroLevel/Services/Reflection/TypeHelpers.cs
index ee3c815..092931f 100644
--- a/ZeroLevel/Services/Reflection/TypeHelpers.cs
+++ b/ZeroLevel/Services/Reflection/TypeHelpers.cs
@@ -185,5 +185,14 @@ namespace ZeroLevel.Services.Reflection
                 return Activator.CreateInstance(type);
             return FormatterServices.GetUninitializedObject(type);
         }
+
+        public static object CreateNonInitializedInstance(Type type)
+        {
+            if (type == null)
+            {
+                throw new ArgumentNullException(nameof(type));
+            }
+            return FormatterServices.GetUninitializedObject(type);
+        }
     }
 }
\ No newline at end of file