Move Replacer to Filtering namespace

SabreTools.Test/Filtering/ReplacerTests.cs

@@ -0,0 +1,50 @@
+using System.Collections.Generic;
+
+using SabreTools.Core;
+using SabreTools.DatItems;
+using SabreTools.Filtering;
+using Xunit;
+
+namespace SabreTools.Test.Filtering
+{
+    public class ReplacerTests
+    {
+        [Fact]
+        public void ReplaceFieldsDatItemTest()
+        {
+            var datItem = CreateDatItem();
+            var repDatItem = CreateDatItem();
+            repDatItem.SetName("bar");
+            var fields = new List<DatItemField> { DatItemField.Name };
+            Replacer.ReplaceFields(datItem, repDatItem, fields);
+            Assert.Equal("bar", datItem.GetName());
+        }
+
+        [Fact]
+        public void ReplaceFieldsMachineTest()
+        {
+            var datItem = CreateDatItem();
+            var repDatItem = CreateDatItem();
+            repDatItem.Machine.Name = "foo";
+            var fields = new List<MachineField> { MachineField.Name };
+            Replacer.ReplaceFields(datItem.Machine, repDatItem.Machine, fields, false);
+            Assert.Equal("foo", datItem.Machine.Name);
+        }
+
+        /// <summary>
+        /// Generate a consistent DatItem for testing
+        /// </summary>
+        private DatItem CreateDatItem()
+        {
+            return new Rom
+            {
+                Name = "foo",
+                Machine = new Machine
+                {
+                    Name = "bar",
+                    Description = "bar",
+                }
+            };
+        }
+    }
+}