#706 added unit test for source serialization (only had integration tests)

Author: Mpdreamz

src/Tests/Nest.Tests.Unit/Search/Source/SourceSerializes.json

@@ -0,0 +1,13 @@
+{
+  "from": 0,
+  "size": 10,
+  "_source": {
+    "include": [
+      "name",
+      "nestedFollowers"
+    ],
+    "exclude": [
+      "nestedFollowers.dateOfBirth"
+    ]
+  }
+}

src/Tests/Nest.Tests.Unit/Search/Source/SourceTests.cs

@@ -0,0 +1,24 @@
+using System.Linq;
+using System.Reflection;
+using NUnit.Framework;
+using Nest.Tests.MockData.Domain;
+
+namespace Nest.Tests.Unit.Search.Source
+{
+	[TestFixture]
+	public class SourceTests : BaseJsonTests
+	{
+		[Test]
+		public void SourceSerializes()
+		{
+			var s = new SearchDescriptor<ElasticsearchProject>()
+			  .From(0)
+			  .Size(10)
+			  .Source(source=>source
+				.Include(p=>p.Name, p=>p.NestedFollowers)
+				.Exclude(p=>p.NestedFollowers.First().DateOfBirth)
+			  );
+			this.JsonEquals(s, MethodInfo.GetCurrentMethod());
+		}
+	}
+}