Rename FileDialog2 to FileDialog

UnitTests/FileDialogTests.cs

@@ -0,0 +1,159 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using Xunit;
+
+
+namespace Terminal.Gui.Core {
+	public class FileDialogTests {
+
+		[Fact, AutoInitShutdown]
+		public void OnLoad_TextBoxIsFocused ()
+		{
+			var dlg = GetInitializedFileDialog ();
+			// First focused is ContentView :(
+			Assert.NotNull (dlg.Focused.Focused);
+			Assert.IsType<FileDialog.TextFieldWithAppendAutocomplete> (dlg.Focused.Focused);
+		}
+
+		[Fact, AutoInitShutdown]
+		public void DirectTyping_Allowed ()
+		{
+			var dlg = GetInitializedFileDialog ();
+			var tf = dlg.Subviews [0].Subviews.OfType<FileDialog.TextFieldWithAppendAutocomplete> ().Single ();
+			tf.ClearAllSelection ();
+			tf.CursorPosition = tf.Text.Length;
+			Assert.True (tf.HasFocus);
+
+			SendSlash ();
+
+			Assert.Equal (
+				new DirectoryInfo (Environment.CurrentDirectory + Path.DirectorySeparatorChar).FullName,
+				new DirectoryInfo (dlg.Path + Path.DirectorySeparatorChar).FullName
+				);
+
+			// continue typing the rest of the path
+			Send ("bob");
+			Send ('.', ConsoleKey.OemPeriod, false);
+			Send ("csv");
+
+			Assert.True (dlg.Canceled);
+
+			Send ('\n', ConsoleKey.Enter, false);
+			Assert.False (dlg.Canceled);
+			Assert.Equal ("bob.csv", Path.GetFileName (dlg.Path));
+		}
+
+		private void SendSlash ()
+		{
+			if (Path.DirectorySeparatorChar == '/') {
+				Send ('/', ConsoleKey.Separator, false);
+			} else {
+				Send ('\\', ConsoleKey.Separator, false);
+			}
+		}
+
+		[Fact, AutoInitShutdown]
+		public void DirectTyping_AutoComplete ()
+		{
+			var dlg = GetInitializedFileDialog ();
+			var openIn = Path.Combine (Environment.CurrentDirectory, "zz");
+
+			Directory.CreateDirectory (openIn);
+
+			var expectedDest = Path.Combine (openIn, "xx");
+			Directory.CreateDirectory (expectedDest);
+
+			dlg.Path = openIn + Path.DirectorySeparatorChar;
+
+			Send ("x");
+
+			// nothing selected yet
+			Assert.True (dlg.Canceled);
+			Assert.Equal ("x", Path.GetFileName (dlg.Path));
+
+			// complete auto typing
+			Send ('\t', ConsoleKey.Tab, false);
+
+			// but do not close dialog
+			Assert.True (dlg.Canceled);
+			Assert.EndsWith ("xx" + Path.DirectorySeparatorChar, dlg.Path);
+
+			// press enter again to confirm the dialog
+			Send ('\n', ConsoleKey.Enter, false);
+			Assert.False (dlg.Canceled);
+			Assert.EndsWith ("xx" + Path.DirectorySeparatorChar, dlg.Path);
+		}
+
+		private void Send (char ch, ConsoleKey ck, bool shift = false)
+		{
+			Application.Driver.SendKeys (ch, ck, shift, false, false);
+		}
+		private void Send (string chars)
+		{
+			foreach (var ch in chars) {
+				Application.Driver.SendKeys (ch, ConsoleKey.NoName, false, false, false);
+			}
+
+		}
+
+		[Fact, AutoInitShutdown]
+		public void Autocomplete_NoSuggestion_WhenTextMatchesExactly ()
+		{
+			var tb = new FileDialog.TextFieldWithAppendAutocomplete ();
+			ForceFocus (tb);
+
+			tb.Text = "/bob/fish";
+			tb.CursorPosition = tb.Text.Length;
+			tb.GenerateSuggestions (null, "fish", "fishes");
+
+			// should not report success for autocompletion because we already have that exact
+			// string
+			Assert.False (tb.AcceptSelectionIfAny ());
+		}
+
+
+		[Fact, AutoInitShutdown]
+		public void Autocomplete_AcceptSuggstion ()
+		{
+			var tb = new FileDialog.TextFieldWithAppendAutocomplete ();
+			ForceFocus (tb);
+
+			tb.Text = @"/bob/fi";
+			tb.CursorPosition = tb.Text.Length;
+			tb.GenerateSuggestions (null, "fish", "fishes");
+
+			Assert.True (tb.AcceptSelectionIfAny ());
+			Assert.Equal (@"/bob/fish", tb.Text);
+		}
+
+		private void ForceFocus (View v)
+		{
+			var hasFocus = typeof (View).GetField ("hasFocus", BindingFlags.Instance | BindingFlags.NonPublic)
+				?? throw new Exception ("Could not find expected private member hasFocus");
+
+			hasFocus.SetValue (v, true);
+		}
+
+		private FileDialog.TextFieldWithAppendAutocomplete GetTextField (FileDialog dlg = null)
+		{
+			if (dlg == null) {
+				dlg = GetInitializedFileDialog ();
+			}
+
+			// First view of a Dialog is ContentView
+			return dlg.Subviews [0].Subviews.OfType<FileDialog.TextFieldWithAppendAutocomplete> ().Single ();
+		}
+
+		private FileDialog GetInitializedFileDialog ()
+		{
+			var dlg = new FileDialog ();
+			dlg.BeginInit ();
+			dlg.EndInit ();
+			Application.Begin (dlg);
+
+			return dlg;
+		}
+	}
+}