mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-26 15:57:56 +01:00
244 lines
8.6 KiB
C#
244 lines
8.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using Xunit;
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using Xunit.Abstractions;
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namespace Terminal.Gui.Views {
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public class ComboBoxTests {
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ITestOutputHelper output;
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public ComboBoxTests (ITestOutputHelper output)
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{
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this.output = output;
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}
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[Fact]
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public void Constructors_Defaults ()
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{
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var cb = new ComboBox ();
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Assert.Equal (string.Empty, cb.Text);
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Assert.Null (cb.Source);
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Assert.False (cb.AutoSize);
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Assert.Equal (new Rect (0, 0, 0, 2), cb.Frame);
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cb = new ComboBox ("Test");
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Assert.Equal ("Test", cb.Text);
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Assert.Null (cb.Source);
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Assert.False (cb.AutoSize);
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Assert.Equal (new Rect (0, 0, 0, 2), cb.Frame);
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cb = new ComboBox (new Rect (1, 2, 10, 20), new List<string> () { "One", "Two", "Three" });
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Assert.Equal (string.Empty, cb.Text);
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Assert.NotNull (cb.Source);
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Assert.False (cb.AutoSize);
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Assert.Equal (new Rect (1, 2, 10, 20), cb.Frame);
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}
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[Fact]
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[AutoInitShutdown]
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public void EnsureKeyEventsDoNotCauseExceptions ()
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{
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var comboBox = new ComboBox ("0");
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var source = Enumerable.Range (0, 15).Select (x => x.ToString ()).ToArray ();
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comboBox.SetSource (source);
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Application.Top.Add (comboBox);
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foreach (var key in (Key [])Enum.GetValues (typeof (Key))) {
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Assert.Null (Record.Exception (() => comboBox.ProcessKey (new KeyEvent (key, new KeyModifiers ()))));
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}
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}
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[Fact]
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[AutoInitShutdown]
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public void KeyBindings_Command ()
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{
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List<string> source = new List<string> () { "One", "Two", "Three" };
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ComboBox cb = new ComboBox () { Width = 10 };
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cb.SetSource (source);
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Application.Top.Add (cb);
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Application.Top.FocusFirst ();
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Assert.Equal (-1, cb.SelectedItem);
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Assert.Equal (string.Empty, cb.Text);
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var opened = false;
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cb.OpenSelectedItem += (_) => opened = true;
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Assert.True (cb.ProcessKey (new KeyEvent (Key.Enter, new KeyModifiers ())));
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Assert.False (opened);
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cb.Text = "Tw";
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Assert.True (cb.ProcessKey (new KeyEvent (Key.Enter, new KeyModifiers ())));
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Assert.True (opened);
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Assert.Equal ("Two", cb.Text);
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cb.SetSource (null);
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Assert.False (cb.ProcessKey (new KeyEvent (Key.Enter, new KeyModifiers ())));
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Assert.True (cb.ProcessKey (new KeyEvent (Key.F4, new KeyModifiers ()))); // with no source also expand empty
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Assert.True (cb.IsShow);
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Assert.Equal (-1, cb.SelectedItem);
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cb.SetSource (source);
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cb.Text = "";
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Assert.True (cb.ProcessKey (new KeyEvent (Key.F4, new KeyModifiers ()))); // collapse
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Assert.False (cb.IsShow);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.F4, new KeyModifiers ()))); // expand
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Assert.True (cb.IsShow);
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cb.Collapse ();
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Assert.False (cb.IsShow);
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Assert.True (cb.HasFocus);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ()))); // losing focus
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Assert.False (cb.IsShow);
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Assert.False (cb.HasFocus);
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Application.Top.FocusFirst (); // Gets focus again
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Assert.False (cb.IsShow);
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Assert.True (cb.HasFocus);
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cb.Expand ();
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Assert.True (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (1, cb.SelectedItem);
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Assert.Equal ("Two", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (2, cb.SelectedItem);
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Assert.Equal ("Three", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (2, cb.SelectedItem);
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Assert.Equal ("Three", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (1, cb.SelectedItem);
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Assert.Equal ("Two", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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Application.Begin (Application.Top);
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GraphViewTests.AssertDriverContentsWithFrameAre (@"
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One ▼
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One
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", output);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.PageDown, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (1, cb.SelectedItem);
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Assert.Equal ("Two", cb.Text);
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Application.Begin (Application.Top);
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GraphViewTests.AssertDriverContentsWithFrameAre (@"
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Two ▼
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Two
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", output);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.PageDown, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (2, cb.SelectedItem);
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Assert.Equal ("Three", cb.Text);
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Application.Begin (Application.Top);
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GraphViewTests.AssertDriverContentsWithFrameAre (@"
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Three ▼
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Three
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", output);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.PageUp, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (1, cb.SelectedItem);
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Assert.Equal ("Two", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.PageUp, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.F4, new KeyModifiers ())));
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Assert.False (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.End, new KeyModifiers ())));
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Assert.False (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.Home, new KeyModifiers ())));
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Assert.False (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.F4, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.End, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (2, cb.SelectedItem);
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Assert.Equal ("Three", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.Home, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.Esc, new KeyModifiers ())));
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Assert.False (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ()))); // losing focus
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Assert.False (cb.HasFocus);
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Assert.False (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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Application.Top.FocusFirst (); // Gets focus again
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Assert.True (cb.HasFocus);
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Assert.False (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.U | Key.CtrlMask, new KeyModifiers ())));
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Assert.True (cb.HasFocus);
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Assert.True (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("", cb.Text);
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Assert.Equal (3, cb.Source.Count);
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}
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[Fact]
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[AutoInitShutdown]
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public void Source_Equal_Null_Or_Count_Equal_Zero_Sets_SelectedItem_Equal_To_Minus_One ()
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{
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var cb = new ComboBox ();
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Application.Top.Add (cb);
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Application.Top.FocusFirst ();
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Assert.Null (cb.Source);
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Assert.Equal (-1, cb.SelectedItem);
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var source = new List<string> ();
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cb.SetSource (source);
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Assert.NotNull (cb.Source);
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Assert.Equal (0, cb.Source.Count);
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Assert.Equal (-1, cb.SelectedItem);
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source.Add ("One");
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Assert.Equal (1, cb.Source.Count);
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Assert.Equal (-1, cb.SelectedItem);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.F4, new KeyModifiers ())));
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Assert.True (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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source.Add ("Two");
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("One", cb.Text);
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cb.Text = "T";
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Assert.True (cb.IsShow);
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Assert.Equal (0, cb.SelectedItem);
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Assert.Equal ("T", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.Enter, new KeyModifiers ())));
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Assert.False (cb.IsShow);
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Assert.Equal (2, cb.Source.Count);
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Assert.Equal (1, cb.SelectedItem);
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Assert.Equal ("Two", cb.Text);
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Assert.True (cb.ProcessKey (new KeyEvent (Key.Esc, new KeyModifiers ())));
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Assert.False (cb.IsShow);
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Assert.Equal (1, cb.SelectedItem); // retains last accept selected item
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Assert.Equal ("", cb.Text); // clear text
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cb.SetSource (new List<string> ());
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Assert.Equal (0, cb.Source.Count);
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Assert.Equal (-1, cb.SelectedItem);
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Assert.Equal ("", cb.Text);
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}
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}
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} |