Files
Terminal.Gui/Tests/UnitTestsParallelizable/View/Navigation/HasFocusChangeEventTests.cs
Tig fdeaa8331b Fixes #4298 - Updates test namespaces (#4299)
* Refactored test namespaces.
Moved some tests that were in wrong project.
Code cleanup

* Parrallel -> Parallel
2025-10-20 14:14:38 -06:00

1048 lines
33 KiB
C#

using UnitTests;
using Xunit.Abstractions;
namespace UnitTests_Parallelizable.ViewTests;
[Collection ("Global Test Setup")]
public class HasFocusChangeEventTests () : TestsAllViews
{
#region HasFocusChanging_NewValue_True
[Fact]
public void HasFocusChanging_SetFocus_Raises ()
{
var hasFocusTrueCount = 0;
var hasFocusFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
hasFocusTrueCount++;
}
else
{
hasFocusFalseCount++;
}
};
Assert.True (view.CanFocus);
Assert.False (view.HasFocus);
view.SetFocus ();
Assert.True (view.HasFocus);
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
}
[Fact]
public void HasFocusChanging_SetFocus_SubView_SetFocus_Raises ()
{
var hasFocusTrueCount = 0;
var hasFocusFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
hasFocusTrueCount++;
}
else
{
hasFocusFalseCount++;
}
};
var subviewHasFocusTrueCount = 0;
var subviewHasFocusFalseCount = 0;
var subview = new View
{
Id = "subview",
CanFocus = true
};
subview.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subviewHasFocusTrueCount++;
}
else
{
subviewHasFocusFalseCount++;
}
};
view.Add (subview);
view.SetFocus ();
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
Assert.Equal (1, subviewHasFocusTrueCount);
Assert.Equal (0, subviewHasFocusFalseCount);
}
[Fact]
public void HasFocusChanging_SetFocus_On_SubView_SubView_SetFocus_Raises ()
{
var hasFocusTrueCount = 0;
var hasFocusFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
hasFocusTrueCount++;
}
else
{
hasFocusFalseCount++;
}
};
var subviewHasFocusTrueCount = 0;
var subviewHasFocusFalseCount = 0;
var subview = new View
{
Id = "subview",
CanFocus = true
};
subview.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subviewHasFocusTrueCount++;
}
else
{
subviewHasFocusFalseCount++;
}
};
view.Add (subview);
subview.SetFocus ();
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
Assert.Equal (1, subviewHasFocusTrueCount);
Assert.Equal (0, subviewHasFocusFalseCount);
}
[Fact]
public void HasFocusChanging_SetFocus_CompoundSubView_Raises ()
{
var hasFocusTrueCount = 0;
var hasFocusFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
hasFocusTrueCount++;
}
else
{
hasFocusFalseCount++;
}
};
var subViewEnterCount = 0;
var subViewLeaveCount = 0;
var subView = new View
{
Id = "subView",
CanFocus = true
};
subView.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subViewEnterCount++;
}
else
{
subViewLeaveCount++;
}
};
var subviewSubView1EnterCount = 0;
var subviewSubView1LeaveCount = 0;
var subViewSubView1 = new View
{
Id = "subViewSubView1",
CanFocus = false
};
subViewSubView1.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subviewSubView1EnterCount++;
}
else
{
subviewSubView1LeaveCount++;
}
};
var subviewSubView2EnterCount = 0;
var subviewSubView2LeaveCount = 0;
var subViewSubView2 = new View
{
Id = "subViewSubView2",
CanFocus = true
};
subViewSubView2.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subviewSubView2EnterCount++;
}
else
{
subviewSubView2EnterCount++;
}
};
var subviewSubView3EnterCount = 0;
var subviewSubView3LeaveCount = 0;
var subViewSubView3 = new View
{
Id = "subViewSubView3",
CanFocus = false
};
subViewSubView3.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subviewSubView3EnterCount++;
}
else
{
subviewSubView3LeaveCount++;
}
};
subView.Add (subViewSubView1, subViewSubView2, subViewSubView3);
view.Add (subView);
view.SetFocus ();
Assert.True (view.HasFocus);
Assert.True (subView.HasFocus);
Assert.False (subViewSubView1.HasFocus);
Assert.True (subViewSubView2.HasFocus);
Assert.False (subViewSubView3.HasFocus);
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
Assert.Equal (1, subViewEnterCount);
Assert.Equal (0, subViewLeaveCount);
Assert.Equal (0, subviewSubView1EnterCount);
Assert.Equal (0, subviewSubView1LeaveCount);
Assert.Equal (1, subviewSubView2EnterCount);
Assert.Equal (0, subviewSubView2LeaveCount);
Assert.Equal (0, subviewSubView3EnterCount);
Assert.Equal (0, subviewSubView3LeaveCount);
}
[Fact]
public void HasFocusChanging_Can_Cancel ()
{
var hasFocusTrueCount = 0;
var hasFocusFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
hasFocusTrueCount++;
e.Cancel = true;
}
else
{
hasFocusFalseCount++;
}
};
var subviewHasFocusTrueCount = 0;
var subviewHasFocusFalseCount = 0;
var subview = new View
{
Id = "subview",
CanFocus = true
};
subview.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subviewHasFocusTrueCount++;
}
else
{
subviewHasFocusFalseCount++;
}
};
view.Add (subview);
view.SetFocus ();
Assert.False (view.HasFocus);
Assert.False (subview.HasFocus);
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
Assert.Equal (0, subviewHasFocusTrueCount);
Assert.Equal (0, subviewHasFocusFalseCount);
}
[Fact]
public void HasFocusChanging_SetFocus_On_SubView_Can_Cancel ()
{
var hasFocusTrueCount = 0;
var hasFocusFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
hasFocusTrueCount++;
e.Cancel = true;
}
else
{
hasFocusFalseCount++;
}
};
var subviewHasFocusTrueCount = 0;
var subviewHasFocusFalseCount = 0;
var subview = new View
{
Id = "subview",
CanFocus = true
};
subview.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subviewHasFocusTrueCount++;
}
else
{
subviewHasFocusFalseCount++;
}
};
view.Add (subview);
subview.SetFocus ();
Assert.False (view.HasFocus);
Assert.False (subview.HasFocus);
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
Assert.Equal (1, subviewHasFocusTrueCount);
Assert.Equal (0, subviewHasFocusFalseCount);
}
[Fact]
public void HasFocusChanging_SubView_Can_Cancel ()
{
var hasFocusTrueCount = 0;
var hasFocusFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
hasFocusTrueCount++;
}
else
{
hasFocusFalseCount++;
}
};
var subviewHasFocusTrueCount = 0;
var subviewHasFocusFalseCount = 0;
var subview = new View
{
Id = "subview",
CanFocus = true
};
subview.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subviewHasFocusTrueCount++;
e.Cancel = true;
}
else
{
subviewHasFocusFalseCount++;
}
};
view.Add (subview);
view.SetFocus ();
Assert.True (view.HasFocus);
Assert.False (subview.HasFocus);
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
Assert.Equal (1, subviewHasFocusTrueCount);
Assert.Equal (0, subviewHasFocusFalseCount);
}
[Fact]
public void HasFocusChanging_SetFocus_On_SubView_If_SubView_Cancels ()
{
var hasFocusTrueCount = 0;
var hasFocusFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
hasFocusTrueCount++;
}
else
{
hasFocusFalseCount++;
}
};
var subviewHasFocusTrueCount = 0;
var subviewHasFocusFalseCount = 0;
var subview = new View
{
Id = "subview",
CanFocus = true
};
subview.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subviewHasFocusTrueCount++;
e.Cancel = true;
}
else
{
subviewHasFocusFalseCount++;
}
};
view.Add (subview);
subview.SetFocus ();
Assert.False (view.HasFocus); // Never had focus
Assert.False (subview.HasFocus); // Cancelled
Assert.Equal (0, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
Assert.Equal (1, subviewHasFocusTrueCount);
Assert.Equal (0, subviewHasFocusFalseCount);
// Now set focus on the view
view.SetFocus ();
Assert.True (view.HasFocus);
Assert.False (subview.HasFocus); // Cancelled
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
Assert.Equal (2, subviewHasFocusTrueCount);
Assert.Equal (0, subviewHasFocusFalseCount);
}
#endregion HasFocusChanging_NewValue_True
#region HasFocusChanging_NewValue_False
[Fact]
public void HasFocusChanging_RemoveFocus_Raises ()
{
var hasFocusTrueCount = 0;
var hasFocusFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
hasFocusTrueCount++;
}
else
{
hasFocusFalseCount++;
}
};
Assert.True (view.CanFocus);
Assert.False (view.HasFocus);
view.SetFocus ();
Assert.True (view.HasFocus);
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
view.HasFocus = false;
Assert.False (view.HasFocus);
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (1, hasFocusFalseCount);
}
[Fact]
public void HasFocusChanging_RemoveFocus_SubView_SetFocus_Raises ()
{
var hasFocusTrueCount = 0;
var hasFocusFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
hasFocusTrueCount++;
}
else
{
hasFocusFalseCount++;
}
};
var subviewHasFocusTrueCount = 0;
var subviewHasFocusFalseCount = 0;
var subview = new View
{
Id = "subview",
CanFocus = true
};
subview.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subviewHasFocusTrueCount++;
}
else
{
subviewHasFocusFalseCount++;
}
};
view.Add (subview);
view.SetFocus ();
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
Assert.Equal (1, subviewHasFocusTrueCount);
Assert.Equal (0, subviewHasFocusFalseCount);
view.HasFocus = false;
Assert.False (view.HasFocus);
Assert.False (subview.HasFocus);
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (1, hasFocusFalseCount);
Assert.Equal (1, subviewHasFocusTrueCount);
Assert.Equal (1, subviewHasFocusFalseCount);
}
[Fact]
public void HasFocusChanging_RemoveFocus_On_SubView_SubView_SetFocus_Raises ()
{
var hasFocusTrueCount = 0;
var hasFocusFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
hasFocusTrueCount++;
}
else
{
hasFocusFalseCount++;
}
};
var subviewHasFocusTrueCount = 0;
var subviewHasFocusFalseCount = 0;
var subview = new View
{
Id = "subview",
CanFocus = true
};
subview.HasFocusChanging += (s, e) =>
{
if (e.NewValue)
{
subviewHasFocusTrueCount++;
}
else
{
subviewHasFocusFalseCount++;
}
};
view.Add (subview);
subview.SetFocus ();
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
Assert.Equal (1, subviewHasFocusTrueCount);
Assert.Equal (0, subviewHasFocusFalseCount);
subview.HasFocus = false;
Assert.False (subview.HasFocus);
Assert.Equal (1, hasFocusTrueCount);
Assert.Equal (0, hasFocusFalseCount);
Assert.Equal (1, subviewHasFocusTrueCount);
Assert.Equal (1, subviewHasFocusFalseCount);
}
#endregion HasFocusChanging_NewValue_False
#region HasFocusChanged
[Fact]
public void HasFocusChanged_RemoveFocus_Raises ()
{
var newValueTrueCount = 0;
var newValueFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanged += (s, e) =>
{
if (e.NewValue)
{
newValueTrueCount++;
}
else
{
newValueFalseCount++;
}
};
Assert.True (view.CanFocus);
Assert.False (view.HasFocus);
view.SetFocus ();
Assert.True (view.HasFocus);
Assert.Equal (1, newValueTrueCount);
Assert.Equal (0, newValueFalseCount);
view.HasFocus = false;
Assert.Equal (1, newValueTrueCount);
Assert.Equal (1, newValueFalseCount);
}
[Fact]
public void HasFocusChanged_With_SubView_Raises ()
{
var newValueTrueCount = 0;
var newValueFalseCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanged += (s, e) =>
{
if (e.NewValue)
{
newValueTrueCount++;
}
else
{
newValueFalseCount++;
}
};
var subviewNewValueTrueCount = 0;
var subviewNewValueFalseCount = 0;
var subview = new View
{
Id = "subview",
CanFocus = true
};
subview.HasFocusChanged += (s, e) =>
{
if (e.NewValue)
{
subviewNewValueTrueCount++;
}
else
{
subviewNewValueFalseCount++;
}
};
view.Add (subview);
view.SetFocus ();
Assert.Equal (1, newValueTrueCount);
Assert.Equal (0, newValueFalseCount);
Assert.Equal (1, subviewNewValueTrueCount);
Assert.Equal (0, subviewNewValueFalseCount);
view.HasFocus = false;
Assert.Equal (1, newValueTrueCount);
Assert.Equal (1, newValueFalseCount);
Assert.Equal (1, subviewNewValueTrueCount);
Assert.Equal (1, subviewNewValueFalseCount);
view.SetFocus ();
Assert.Equal (2, newValueTrueCount);
Assert.Equal (1, newValueFalseCount);
Assert.Equal (2, subviewNewValueTrueCount);
Assert.Equal (1, subviewNewValueFalseCount);
subview.HasFocus = false;
Assert.Equal (2, newValueTrueCount);
Assert.Equal (1, newValueFalseCount);
Assert.Equal (2, subviewNewValueTrueCount);
Assert.Equal (2, subviewNewValueFalseCount);
}
[Fact]
public void HasFocusChanged_CompoundSubView_Raises ()
{
var viewEnterCount = 0;
var viewLeaveCount = 0;
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanged += (s, e) =>
{
if (e.NewValue)
{
viewEnterCount++;
}
else
{
viewLeaveCount++;
}
};
var subViewEnterCount = 0;
var subViewLeaveCount = 0;
var subView = new View
{
Id = "subView",
CanFocus = true
};
subView.HasFocusChanged += (s, e) =>
{
if (e.NewValue)
{
subViewEnterCount++;
}
else
{
subViewLeaveCount++;
}
};
var subviewSubView1EnterCount = 0;
var subviewSubView1LeaveCount = 0;
var subViewSubView1 = new View
{
Id = "subViewSubView1",
CanFocus = false
};
subViewSubView1.HasFocusChanged += (s, e) =>
{
if (e.NewValue)
{
subviewSubView1EnterCount++;
}
else
{
subviewSubView1LeaveCount++;
}
};
var subviewSubView2EnterCount = 0;
var subviewSubView2LeaveCount = 0;
var subViewSubView2 = new View
{
Id = "subViewSubView2",
CanFocus = true
};
subViewSubView2.HasFocusChanged += (s, e) =>
{
if (e.NewValue)
{
subviewSubView2EnterCount++;
}
else
{
subviewSubView2LeaveCount++;
}
};
var subviewSubView3EnterCount = 0;
var subviewSubView3LeaveCount = 0;
var subViewSubView3 = new View
{
Id = "subViewSubView3",
CanFocus = false
};
subViewSubView3.HasFocusChanged += (s, e) =>
{
if (e.NewValue)
{
subviewSubView3EnterCount++;
}
else
{
subviewSubView3LeaveCount++;
}
};
subView.Add (subViewSubView1, subViewSubView2, subViewSubView3);
view.Add (subView);
view.SetFocus ();
Assert.True (view.HasFocus);
Assert.True (subView.HasFocus);
Assert.False (subViewSubView1.HasFocus);
Assert.True (subViewSubView2.HasFocus);
Assert.False (subViewSubView3.HasFocus);
view.HasFocus = false;
Assert.False (view.HasFocus);
Assert.False (subView.HasFocus);
Assert.False (subViewSubView1.HasFocus);
Assert.False (subViewSubView2.HasFocus);
Assert.False (subViewSubView3.HasFocus);
Assert.Equal (1, viewEnterCount);
Assert.Equal (1, viewLeaveCount);
Assert.Equal (1, subViewEnterCount);
Assert.Equal (1, subViewLeaveCount);
Assert.Equal (0, subviewSubView1EnterCount);
Assert.Equal (0, subviewSubView1LeaveCount);
Assert.Equal (1, subviewSubView2EnterCount);
Assert.Equal (1, subviewSubView2LeaveCount);
Assert.Equal (0, subviewSubView3EnterCount);
Assert.Equal (0, subviewSubView3LeaveCount);
}
[Fact]
public void HasFocusChanged_NewValue_False_Hide_SubView ()
{
var subView1 = new View
{
Id = $"subView1",
CanFocus = true
};
var subView2 = new View
{
Id = $"subView2",
CanFocus = true
};
var view = new View
{
Id = "view",
CanFocus = true
};
view.HasFocusChanged += (s, e) =>
{
if (e.NewValue)
{
Assert.True (view.HasFocus);
Assert.True (subView1.HasFocus);
Assert.False (subView2.HasFocus);
subView1.Visible = true;
subView2.Visible = false;
Assert.True (view.HasFocus);
Assert.True (subView1.HasFocus);
Assert.False (subView2.HasFocus);
}
else
{
Assert.False (view.HasFocus);
Assert.False (subView1.HasFocus);
Assert.False (subView2.HasFocus);
subView1.Visible = false;
subView2.Visible = true;
}
};
view.Add (subView1, subView2);
view.SetFocus ();
Assert.True (view.HasFocus);
Assert.True (subView1.HasFocus);
Assert.False (subView2.HasFocus);
view.HasFocus = false;
Assert.False (view.HasFocus);
Assert.False (subView1.HasFocus);
Assert.False (subView2.HasFocus);
}
#endregion HasFocusChanged
}