Files
Terminal.Gui/Tests/UnitTestsParallelizable/ViewBase/Keyboard/HotKeyTests.cs
Copilot 8f4ad8a7d4 Fixes #4147. HotKeySpecifier 0xFFFF does not clear HotKey (#4508)
* Initial plan

* Fix: Set HotKey to Key.Empty when HotKeySpecifier is 0xFFFF

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Fix code style: Use explicit type instead of var for View

Co-authored-by: tig <585482+tig@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: tig <585482+tig@users.noreply.github.com>
2025-12-18 07:20:30 -07:00

416 lines
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C#
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using System.Text;
using Xunit.Abstractions;
namespace ViewBaseTests;
[Collection ("Global Test Setup")]
public class HotKeyTests
{
[Theory]
[InlineData (KeyCode.A)]
[InlineData (KeyCode.A | KeyCode.ShiftMask)]
[InlineData (KeyCode.D1)]
[InlineData (KeyCode.D1 | KeyCode.ShiftMask)] // '!'
[InlineData ((KeyCode)'х')] // Cyrillic x
[InlineData ((KeyCode)'你')] // Chinese ni
public void AddKeyBindingsForHotKey_Sets (KeyCode key)
{
var view = new View ();
view.HotKey = KeyCode.Z;
Assert.Equal (string.Empty, view.Title);
Assert.Equal (KeyCode.Z, view.HotKey);
view.AddKeyBindingsForHotKey (KeyCode.Null, key);
// Verify key bindings were set
// As passed
Command [] commands = view.HotKeyBindings.GetCommands (key);
Assert.Contains (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (key | KeyCode.AltMask);
Assert.Contains (Command.HotKey, commands);
KeyCode baseKey = key & ~KeyCode.ShiftMask;
// If A...Z, with and without shift
if (baseKey is >= KeyCode.A and <= KeyCode.Z)
{
commands = view.HotKeyBindings.GetCommands (key | KeyCode.ShiftMask);
Assert.Contains (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (key & ~KeyCode.ShiftMask);
Assert.Contains (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (key | KeyCode.AltMask);
Assert.Contains (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands ((key & ~KeyCode.ShiftMask) | KeyCode.AltMask);
Assert.Contains (Command.HotKey, commands);
}
else
{
// Non A..Z keys should not have shift bindings
if (key.HasFlag (KeyCode.ShiftMask))
{
commands = view.HotKeyBindings.GetCommands (key & ~KeyCode.ShiftMask);
Assert.Empty (commands);
}
else
{
commands = view.HotKeyBindings.GetCommands (key | KeyCode.ShiftMask);
Assert.Empty (commands);
}
}
}
[Fact]
public void AddKeyBindingsForHotKey_SetsBinding_Key ()
{
var view = new View ();
view.HotKey = KeyCode.Z;
Assert.Equal (string.Empty, view.Title);
Assert.Equal (KeyCode.Z, view.HotKey);
view.AddKeyBindingsForHotKey (view.HotKey, Key.A);
view.HotKeyBindings.TryGet (Key.A, out var binding);
Assert.Equal (Key.A, binding.Key);
}
[Fact]
public void AddKeyBindingsForHotKey_SetsBinding_Data ()
{
var view = new View ();
view.HotKey = KeyCode.Z;
Assert.Equal (KeyCode.Z, view.HotKey);
view.AddKeyBindingsForHotKey (view.HotKey, Key.A, "data");
view.HotKeyBindings.TryGet (Key.A, out var binding);
Assert.Equal ("data", binding.Data);
}
[Fact]
public void Defaults ()
{
var view = new View ();
Assert.Equal (string.Empty, view.Title);
Assert.Equal (KeyCode.Null, view.HotKey);
// Verify key bindings were set
Command [] commands = view.KeyBindings.GetCommands (KeyCode.Null);
Assert.Empty (commands);
commands = view.HotKeyBindings.GetCommands (KeyCode.Null);
Assert.Empty (commands);
Assert.Empty (view.HotKeyBindings.GetBindings ());
}
[Theory]
[InlineData (KeyCode.Null, true)] // non-shift
[InlineData (KeyCode.ShiftMask, true)]
[InlineData (KeyCode.AltMask, true)]
[InlineData (KeyCode.ShiftMask | KeyCode.AltMask, true)]
[InlineData (KeyCode.CtrlMask, false)]
[InlineData (KeyCode.ShiftMask | KeyCode.CtrlMask, false)]
public void NewKeyDownEvent_Runs_Default_HotKey_Command (KeyCode mask, bool expected)
{
var view = new View { HotKeySpecifier = (Rune)'^', Title = "^Test" };
view.CanFocus = true;
Assert.False (view.HasFocus);
view.NewKeyDownEvent (KeyCode.T | mask);
Assert.Equal (expected, view.HasFocus);
}
[Fact]
public void NewKeyDownEvent_Ignores_Focus_KeyBindings_SuperView ()
{
var view = new View ();
view.HotKeyBindings.Add (Key.A, Command.HotKey);
view.KeyDownNotHandled += (s, e) => { Assert.Fail (); };
var superView = new View ();
superView.Add (view);
var ke = Key.A;
superView.NewKeyDownEvent (ke);
}
[Fact]
public void NewKeyDownEvent_Honors_HotKey_KeyBindings_SuperView ()
{
var view = new View ();
view.HotKeyBindings.Add (Key.A, Command.HotKey);
bool hotKeyInvoked = false;
view.HandlingHotKey += (s, e) => { hotKeyInvoked = true; };
bool notHandled = false;
view.KeyDownNotHandled += (s, e) => { notHandled = true; };
var superView = new View ();
superView.Add (view);
var ke = Key.A;
superView.NewKeyDownEvent (ke);
Assert.False (notHandled);
Assert.True (hotKeyInvoked);
}
[Fact]
public void NewKeyDownEvent_InNewKeyDownEvent_Invokes_HotKey_Command_With_SuperView ()
{
var superView = new View ()
{
CanFocus = true
};
var view1 = new View
{
HotKeySpecifier = (Rune)'^',
Title = "view^1",
CanFocus = true
};
var view2 = new View
{
HotKeySpecifier = (Rune)'^',
Title = "view^2",
CanFocus = true
};
superView.Add (view1, view2);
superView.SetFocus ();
Assert.True (view1.HasFocus);
var ke = Key.D2;
superView.NewKeyDownEvent (ke);
Assert.True (view2.HasFocus);
}
[Fact]
public void Set_RemovesOldKeyBindings ()
{
var view = new View ();
view.HotKey = KeyCode.A;
Assert.Equal (string.Empty, view.Title);
Assert.Equal (KeyCode.A, view.HotKey);
// Verify key bindings were set
Command [] commands = view.HotKeyBindings.GetCommands (KeyCode.A);
Assert.Contains (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (KeyCode.A | KeyCode.ShiftMask);
Assert.Contains (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (KeyCode.A | KeyCode.AltMask);
Assert.Contains (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (KeyCode.A | KeyCode.ShiftMask | KeyCode.AltMask);
Assert.Contains (Command.HotKey, commands);
// Now set again
view.HotKey = KeyCode.B;
Assert.Equal (string.Empty, view.Title);
Assert.Equal (KeyCode.B, view.HotKey);
commands = view.HotKeyBindings.GetCommands (KeyCode.A);
Assert.DoesNotContain (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (KeyCode.A | KeyCode.ShiftMask);
Assert.DoesNotContain (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (KeyCode.A | KeyCode.AltMask);
Assert.DoesNotContain (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (KeyCode.A | KeyCode.ShiftMask | KeyCode.AltMask);
Assert.DoesNotContain (Command.HotKey, commands);
}
[Theory]
[InlineData (KeyCode.A)]
[InlineData (KeyCode.A | KeyCode.ShiftMask)]
[InlineData (KeyCode.D1)]
[InlineData (KeyCode.D1 | KeyCode.ShiftMask)]
[InlineData ((KeyCode)'!')]
[InlineData ((KeyCode)'х')] // Cyrillic x
[InlineData ((KeyCode)'你')] // Chinese ni
[InlineData ((KeyCode)'ö')] // German o umlaut
[InlineData (KeyCode.Null)]
public void Set_Sets_WithValidKey (KeyCode key)
{
var view = new View ();
view.HotKey = key;
Assert.Equal (key, view.HotKey);
}
[Theory]
[InlineData (KeyCode.A)]
[InlineData (KeyCode.A | KeyCode.ShiftMask)]
[InlineData (KeyCode.D1)]
[InlineData (KeyCode.D1 | KeyCode.ShiftMask)] // '!'
[InlineData ((KeyCode)'х')] // Cyrillic x
[InlineData ((KeyCode)'你')] // Chinese ni
[InlineData ((KeyCode)'ö')] // German o umlaut
public void Set_SetsKeyBindings (KeyCode key)
{
var view = new View ();
view.HotKey = key;
Assert.Equal (string.Empty, view.Title);
Assert.Equal (key, view.HotKey);
// Verify key bindings were set
// As passed
Command [] commands = view.HotKeyBindings.GetCommands (view.HotKey);
Assert.Contains (Command.HotKey, commands);
Key baseKey = view.HotKey.NoShift;
// If A...Z, with and without shift
if (baseKey.IsKeyCodeAtoZ)
{
commands = view.HotKeyBindings.GetCommands (view.HotKey.WithShift);
Assert.Contains (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (view.HotKey.NoShift);
Assert.Contains (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (view.HotKey.WithAlt);
Assert.Contains (Command.HotKey, commands);
commands = view.HotKeyBindings.GetCommands (view.HotKey.NoShift.WithAlt);
Assert.Contains (Command.HotKey, commands);
}
else
{
// Non A..Z keys should not have shift bindings
if (view.HotKey.IsShift)
{
commands = view.HotKeyBindings.GetCommands (view.HotKey.NoShift);
Assert.Empty (commands);
}
else
{
commands = view.HotKeyBindings.GetCommands (view.HotKey.WithShift);
Assert.Empty (commands);
}
}
}
[Fact]
public void Set_Throws_If_Modifiers_Are_Included ()
{
var view = new View ();
// A..Z must be naked (Alt is assumed)
view.HotKey = Key.A.WithAlt;
Assert.Throws<ArgumentException> (() => view.HotKey = Key.A.WithCtrl);
Assert.Throws<ArgumentException> (
() =>
view.HotKey =
KeyCode.A | KeyCode.ShiftMask | KeyCode.AltMask | KeyCode.CtrlMask
);
// All others must not have Ctrl (Alt is assumed)
view.HotKey = Key.D1.WithAlt;
Assert.Throws<ArgumentException> (() => view.HotKey = Key.D1.WithCtrl);
Assert.Throws<ArgumentException> (
() =>
view.HotKey =
KeyCode.D1 | KeyCode.ShiftMask | KeyCode.AltMask | KeyCode.CtrlMask
);
// Shift is ok (e.g. this is '!')
view.HotKey = Key.D1.WithShift;
}
[Theory]
[InlineData (KeyCode.Delete)]
[InlineData (KeyCode.Backspace)]
[InlineData (KeyCode.Tab)]
[InlineData (KeyCode.Enter)]
[InlineData (KeyCode.Esc)]
[InlineData (KeyCode.Space)]
[InlineData (KeyCode.CursorLeft)]
[InlineData (KeyCode.F1)]
[InlineData (KeyCode.Null | KeyCode.ShiftMask)]
public void Set_Throws_With_Invalid_Key (KeyCode key)
{
var view = new View ();
Assert.Throws<ArgumentException> (() => view.HotKey = key);
}
[Theory]
[InlineData ("Test", KeyCode.Null)]
[InlineData ("^Test", KeyCode.T)]
[InlineData ("T^est", KeyCode.E)]
[InlineData ("Te^st", KeyCode.S)]
[InlineData ("Tes^t", KeyCode.T)]
[InlineData ("other", KeyCode.Null)]
[InlineData ("oTher", KeyCode.Null)]
[InlineData ("^Öther", (KeyCode)'Ö')]
[InlineData ("^öther", (KeyCode)'ö')]
// BUGBUG: '!' should be supported. Line 968 of TextFormatter filters on char.IsLetterOrDigit
//[InlineData ("Test^!", (Key)'!')]
public void Title_Change_Sets_HotKey (string title, KeyCode expectedHotKey)
{
var view = new View { HotKeySpecifier = new Rune ('^'), Title = "^Hello" };
Assert.Equal (KeyCode.H, view.HotKey);
view.Title = title;
Assert.Equal (expectedHotKey, view.HotKey);
}
[Theory]
[InlineData ("^Test")]
public void Title_Empty_Sets_HotKey_To_Null (string title)
{
var view = new View { HotKeySpecifier = (Rune)'^', Title = title };
Assert.Equal (title, view.Title);
Assert.Equal (KeyCode.T, view.HotKey);
view.Title = string.Empty;
Assert.Equal ("", view.Title);
Assert.Equal (KeyCode.Null, view.HotKey);
}
[Fact]
public void HotKeySpecifier_0xFFFF_Clears_HotKey ()
{
// Arrange: Create a view with a hotkey
View view = new () { HotKeySpecifier = (Rune)'_', Title = "_Test" };
Assert.Equal (KeyCode.T, view.HotKey);
// Act: Set HotKeySpecifier to 0xFFFF
view.HotKeySpecifier = (Rune)0xFFFF;
// Assert: HotKey should be cleared
Assert.Equal (KeyCode.Null, view.HotKey);
}
[Fact]
public void HotKeySpecifier_0xFFFF_Before_Title_Set_Prevents_HotKey ()
{
// Arrange & Act: Set HotKeySpecifier to 0xFFFF before setting Title
View view = new () { HotKeySpecifier = (Rune)0xFFFF };
view.Title = "_Test";
// Assert: HotKey should remain empty
Assert.Equal (KeyCode.Null, view.HotKey);
}
[Fact]
public void HotKeySpecifier_0xFFFF_With_Underscore_In_Title ()
{
// Arrange & Act: This is the scenario from the bug report
View view = new ()
{
HotKeySpecifier = (Rune)0xFFFF,
Title = "my label with an _underscore"
};
// Assert: HotKey should be empty (no hotkey should be set)
Assert.Equal (KeyCode.Null, view.HotKey);
}
}