Add first autocomplete append test

UnitTests/Views/AppendAutocompleteTests.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Terminal.Gui.ViewTests {
+	public class AppendAutocompleteTests {
+		readonly ITestOutputHelper output;
+
+		public AppendAutocompleteTests (ITestOutputHelper output)
+		{
+			this.output = output;
+		}
+
+        [Fact, AutoInitShutdown]
+        public void TestAutocomplete_ShowThenAccept_MatchCase()
+        {
+			var tf = GetTextFieldsInView();
+
+
+			tf.Autocomplete = new AppendAutocomplete(tf);
+			var generator = (SingleWordSuggestionGenerator)tf.Autocomplete.SuggestionGenerator;
+			generator.AllSuggestions = new List<string>{"fish"};
+
+
+			tf.Redraw(tf.Bounds);
+			TestHelpers.AssertDriverContentsAre("",output);
+
+			tf.ProcessKey(new KeyEvent(Key.f,new KeyModifiers()));
+
+			tf.Redraw(tf.Bounds);
+			TestHelpers.AssertDriverContentsAre("fish",output);
+			Assert.Equal("f",tf.Text.ToString());
+
+			Application.Driver.SendKeys('\t',ConsoleKey.Tab,false,false,false);
+
+			tf.Redraw(tf.Bounds);
+			TestHelpers.AssertDriverContentsAre("fish",output);
+			Assert.Equal("fish",tf.Text.ToString());
+
+			// Tab should autcomplete but not move focus
+			Assert.Same(tf,Application.Top.Focused);
+
+			// Second tab should move focus (nothing to autocomplete)
+			Application.Driver.SendKeys('\t',ConsoleKey.Tab,false,false,false);
+			Assert.NotSame(tf,Application.Top.Focused);
+        }
+
+		private TextField GetTextFieldsInView ()
+		{
+            var tf = new TextField{
+				Width = 10
+			};
+            var tf2 = new TextField{
+				Y = 1,
+				Width = 10
+			};
+
+			var top = Application.Top;
+			top.Add (tf);
+			top.Add (tf2);
+
+			Application.Begin (top);
+			
+			Assert.Same(tf,top.Focused);
+
+			return tf;
+		}
+	}
+}

UnitTests/Views/AutocompleteAppendTests

@@ -1,24 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Xunit;
-using Xunit.Abstractions;
-
-namespace Terminal.Gui.ViewTests {
-	public class AutocomplteAppendTests {
-		readonly ITestOutputHelper output;
-
-		public AutocomplteAppendTests (ITestOutputHelper output)
-		{
-			this.output = output;
-		}
-
-        [Fact]
-        public void TestRender()
-        {
-            
-        }
-    }
-}