mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-26 15:57:56 +01:00
548 lines
18 KiB
C#
548 lines
18 KiB
C#
using System.ComponentModel;
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using Xunit.Abstractions;
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namespace Terminal.Gui.ViewsTests;
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public class LabelTests
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{
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private readonly ITestOutputHelper _output;
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public LabelTests (ITestOutputHelper output) { _output = output; }
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// Test that Title and Text are the same
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[Fact]
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public void Text_Mirrors_Title ()
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{
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var label = new Label ();
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label.Title = "Hello";
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Assert.Equal ("Hello", label.Title);
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Assert.Equal ("Hello", label.TitleTextFormatter.Text);
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Assert.Equal ("Hello", label.Text);
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Assert.Equal ("Hello", label.TextFormatter.Text);
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}
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[Fact]
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public void Title_Mirrors_Text ()
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{
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var label = new Label ();
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label.Text = "Hello";
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Assert.Equal ("Hello", label.Text);
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Assert.Equal ("Hello", label.TextFormatter.Text);
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Assert.Equal ("Hello", label.Title);
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Assert.Equal ("Hello", label.TitleTextFormatter.Text);
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}
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[Fact]
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public void HotKey_Command_SetsFocus_OnNextSubview ()
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{
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var superView = new View () { CanFocus = true };
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var label = new Label ();
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var nextSubview = new View () { CanFocus = true };
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superView.Add (label, nextSubview);
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superView.BeginInit ();
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superView.EndInit ();
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Assert.False (label.HasFocus);
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Assert.False (nextSubview.HasFocus);
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label.InvokeCommand (Command.HotKey);
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Assert.False (label.HasFocus);
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Assert.True (nextSubview.HasFocus);
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}
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[Fact]
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public void MouseClick_SetsFocus_OnNextSubview ()
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{
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var superView = new View () { CanFocus = true, Height = 1, Width = 15 };
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var focusedView = new View () { CanFocus = true, Width = 1, Height = 1 };
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var label = new Label () { X = 2, Title = "_x" };
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var nextSubview = new View () { CanFocus = true, X = 4, Width = 4, Height = 1 };
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superView.Add (focusedView, label, nextSubview);
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superView.BeginInit ();
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superView.EndInit ();
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Assert.False (focusedView.HasFocus);
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Assert.False (label.HasFocus);
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Assert.False (nextSubview.HasFocus);
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label.NewMouseEvent (new MouseEvent () { X = 0, Y = 0, Flags = MouseFlags.Button1Clicked });
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Assert.False (label.HasFocus);
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Assert.True (nextSubview.HasFocus);
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}
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[Fact]
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public void HotKey_Command_Does_Not_Accept ()
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{
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var label = new Label ();
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var accepted = false;
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label.Accept += LabelOnAccept;
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label.InvokeCommand (Command.HotKey);
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Assert.False (accepted);
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return;
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void LabelOnAccept (object sender, CancelEventArgs e) { accepted = true; }
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}
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[Fact]
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[AutoInitShutdown]
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public void AutoSize_Stays_True_AnchorEnd ()
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{
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var label = new Label { Y = Pos.Center (), Text = "Say Hello 你", AutoSize = true };
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label.X = Pos.AnchorEnd (0) - Pos.Function (() => label.TextFormatter.Text.GetColumns ());
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var win = new Window { Width = Dim.Fill (), Height = Dim.Fill () };
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win.Add (label);
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var top = new Toplevel ();
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top.Add (win);
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Assert.True (label.AutoSize);
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Application.Begin (top);
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((FakeDriver)Application.Driver).SetBufferSize (30, 5);
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var expected = @"
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┌────────────────────────────┐
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│ │
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│ Say Hello 你│
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│ │
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└────────────────────────────┘
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";
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TestHelpers.AssertDriverContentsWithFrameAre (expected, _output);
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Assert.True (label.AutoSize);
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label.Text = "Say Hello 你 changed";
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Assert.True (label.AutoSize);
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Application.Refresh ();
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expected = @"
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┌────────────────────────────┐
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│ │
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│ Say Hello 你 changed│
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│ │
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└────────────────────────────┘
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";
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TestHelpers.AssertDriverContentsWithFrameAre (expected, _output);
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}
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[Fact]
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[AutoInitShutdown]
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public void AutoSize_Stays_True_Center ()
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{
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var label = new Label { X = Pos.Center (), Y = Pos.Center (), Text = "Say Hello 你" };
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var win = new Window { Width = Dim.Fill (), Height = Dim.Fill () };
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win.Add (label);
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var top = new Toplevel ();
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top.Add (win);
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//Assert.True (label.AutoSize);
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Application.Begin (top);
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((FakeDriver)Application.Driver).SetBufferSize (30, 5);
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var expected = @"
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┌────────────────────────────┐
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│ │
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│ Say Hello 你 │
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│ │
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└────────────────────────────┘
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";
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TestHelpers.AssertDriverContentsWithFrameAre (expected, _output);
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Assert.True (label.AutoSize);
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label.Text = "Say Hello 你 changed";
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Assert.True (label.AutoSize);
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Application.Refresh ();
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expected = @"
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┌────────────────────────────┐
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│ │
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│ Say Hello 你 changed │
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│ │
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└────────────────────────────┘
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";
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TestHelpers.AssertDriverContentsWithFrameAre (expected, _output);
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}
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[Fact]
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[AutoInitShutdown]
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public void AutoSize_Stays_True_With_EmptyText ()
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{
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var label = new Label { X = Pos.Center (), Y = Pos.Center (), AutoSize = true };
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var win = new Window { Width = Dim.Fill (), Height = Dim.Fill () };
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win.Add (label);
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var top = new Toplevel ();
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top.Add (win);
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Assert.True (label.AutoSize);
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label.Text = "Say Hello 你";
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Assert.True (label.AutoSize);
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Application.Begin (top);
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((FakeDriver)Application.Driver).SetBufferSize (30, 5);
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var expected = @"
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┌────────────────────────────┐
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│ │
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│ Say Hello 你 │
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│ │
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└────────────────────────────┘
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";
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TestHelpers.AssertDriverContentsWithFrameAre (expected, _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 label = new Label ();
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Assert.Equal (string.Empty, label.Text);
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Assert.Equal (TextAlignment.Left, label.TextAlignment);
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//Assert.True (label.AutoSize);
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Assert.False (label.CanFocus);
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Assert.Equal (new Rectangle (0, 0, 0, 0), label.Frame);
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Assert.Equal (KeyCode.Null, label.HotKey);
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}
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[Fact]
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[AutoInitShutdown]
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public void Label_Draw_Fill_Remaining_AutoSize_False ()
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{
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Size tfSize = new Size (80, 1);
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var label = new Label { Text = "This label needs to be cleared before rewritten.", Width = tfSize.Width, Height = tfSize.Height };
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var tf1 = new TextFormatter { Direction = TextDirection.LeftRight_TopBottom, Size = tfSize };
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tf1.Text = "This TextFormatter (tf1) without fill will not be cleared on rewritten.";
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var tf2 = new TextFormatter { Direction = TextDirection.LeftRight_TopBottom, Size = tfSize, FillRemaining = true };
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tf2.Text = "This TextFormatter (tf2) with fill will be cleared on rewritten.";
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var top = new Toplevel ();
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top.Add (label);
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Application.Begin (top);
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Assert.False (label.TextFormatter.AutoSize);
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Assert.False (tf1.AutoSize);
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Assert.False (tf2.AutoSize);
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Assert.False (label.TextFormatter.FillRemaining);
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Assert.False (tf1.FillRemaining);
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Assert.True (tf2.FillRemaining);
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tf1.Draw (new Rectangle (new Point (0, 1), tfSize), label.GetNormalColor (), label.ColorScheme.HotNormal);
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tf2.Draw (new Rectangle (new Point (0, 2), tfSize), label.GetNormalColor (), label.ColorScheme.HotNormal);
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TestHelpers.AssertDriverContentsWithFrameAre (
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@"
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This label needs to be cleared before rewritten.
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This TextFormatter (tf1) without fill will not be cleared on rewritten.
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This TextFormatter (tf2) with fill will be cleared on rewritten. ",
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_output
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);
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Assert.False (label.NeedsDisplay);
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Assert.False (label.LayoutNeeded);
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Assert.False (label.SubViewNeedsDisplay);
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label.Text = "This label is rewritten.";
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Assert.True (label.NeedsDisplay);
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Assert.True (label.LayoutNeeded);
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Assert.False (label.SubViewNeedsDisplay);
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label.Draw ();
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tf1.Text = "This TextFormatter (tf1) is rewritten.";
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tf1.Draw (new Rectangle (new Point (0, 1), tfSize), label.GetNormalColor (), label.ColorScheme.HotNormal);
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tf2.Text = "This TextFormatter (tf2) is rewritten.";
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tf2.Draw (new Rectangle (new Point (0, 2), tfSize), label.GetNormalColor (), label.ColorScheme.HotNormal);
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TestHelpers.AssertDriverContentsWithFrameAre (
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@"
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This label is rewritten.
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This TextFormatter (tf1) is rewritten.will not be cleared on rewritten.
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This TextFormatter (tf2) is rewritten. ",
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_output
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);
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}
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[Fact]
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[AutoInitShutdown]
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public void Label_Draw_Horizontal_Simple_Runes ()
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{
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var label = new Label { Text = "Demo Simple Rune" };
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var top = new Toplevel ();
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top.Add (label);
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Application.Begin (top);
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Assert.True (label.AutoSize);
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Assert.Equal (new Rectangle (0, 0, 16, 1), label.Frame);
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var expected = @"
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Demo Simple Rune
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";
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Rectangle pos = TestHelpers.AssertDriverContentsWithFrameAre (expected, _output);
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Assert.Equal (new Rectangle (0, 0, 16, 1), pos);
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}
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[Fact]
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[AutoInitShutdown]
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public void Label_Draw_Vertical_Simple_Runes ()
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{
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var label = new Label { TextDirection = TextDirection.TopBottom_LeftRight, Text = "Demo Simple Rune" };
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var top = new Toplevel ();
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top.Add (label);
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Application.Begin (top);
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Assert.NotNull (label.Width);
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Assert.NotNull (label.Height);
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var expected = @"
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D
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e
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m
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o
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S
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i
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m
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p
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l
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e
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R
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u
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n
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e
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";
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Rectangle pos = TestHelpers.AssertDriverContentsWithFrameAre (expected, _output);
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Assert.Equal (new Rectangle (0, 0, 1, 16), pos);
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}
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[Fact]
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[AutoInitShutdown]
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public void Label_Draw_Vertical_Wide_Runes ()
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{
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var label = new Label { TextDirection = TextDirection.TopBottom_LeftRight, Text = "デモエムポンズ" };
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var top = new Toplevel ();
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top.Add (label);
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Application.Begin (top);
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var expected = @"
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デ
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モ
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エ
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ム
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ポ
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ン
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ズ
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";
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Rectangle pos = TestHelpers.AssertDriverContentsWithFrameAre (expected, _output);
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Assert.Equal (new Rectangle (0, 0, 2, 7), pos);
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}
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[Fact]
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[AutoInitShutdown]
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public void Label_HotKeyChanged_EventFires ()
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{
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var label = new Label { Text = "Yar" };
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label.HotKey = 'Y';
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object sender = null;
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KeyChangedEventArgs args = null;
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label.HotKeyChanged += (s, e) =>
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{
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sender = s;
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args = e;
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};
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label.HotKey = Key.R;
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Assert.Same (label, sender);
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Assert.Equal (KeyCode.Y | KeyCode.ShiftMask, args.OldKey);
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Assert.Equal (Key.R, args.NewKey);
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}
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[Fact]
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[AutoInitShutdown]
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public void Label_HotKeyChanged_EventFires_WithNone ()
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{
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var label = new Label ();
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object sender = null;
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KeyChangedEventArgs args = null;
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label.HotKeyChanged += (s, e) =>
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{
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sender = s;
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args = e;
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};
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label.HotKey = KeyCode.R;
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Assert.Same (label, sender);
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Assert.Equal (KeyCode.Null, args.OldKey);
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Assert.Equal (KeyCode.R, args.NewKey);
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}
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[Fact]
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public void TestAssignTextToLabel ()
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{
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View b = new Label { Text = "heya" };
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Assert.Equal ("heya", b.Text);
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Assert.Contains ("heya", b.TextFormatter.Text);
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b.Text = "heyb";
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Assert.Equal ("heyb", b.Text);
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Assert.Contains ("heyb", b.TextFormatter.Text);
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// with cast
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Assert.Equal ("heyb", ((Label)b).Text);
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}
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[Fact]
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[AutoInitShutdown]
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public void Update_Only_On_Or_After_Initialize ()
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{
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var label = new Label { X = Pos.Center (), Y = Pos.Center (), Text = "Say Hello 你" };
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var win = new Window { Width = Dim.Fill (), Height = Dim.Fill () };
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win.Add (label);
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var top = new Toplevel ();
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top.Add (win);
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Assert.False (label.IsInitialized);
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Application.Begin (top);
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((FakeDriver)Application.Driver).SetBufferSize (30, 5);
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Assert.True (label.IsInitialized);
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Assert.Equal ("Say Hello 你", label.Text);
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Assert.Equal ("Say Hello 你", label.TextFormatter.Text);
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Assert.Equal (new Rectangle (0, 0, 12, 1), label.Viewport);
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var expected = @"
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┌────────────────────────────┐
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│ │
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│ Say Hello 你 │
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│ │
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└────────────────────────────┘
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";
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Rectangle pos = TestHelpers.AssertDriverContentsWithFrameAre (expected, _output);
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Assert.Equal (new Rectangle (0, 0, 30, 5), pos);
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}
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[Fact]
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[AutoInitShutdown]
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public void Update_Parameterless_Only_On_Or_After_Initialize ()
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{
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var label = new Label { X = Pos.Center (), Y = Pos.Center (), Text = "Say Hello 你", AutoSize = true };
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var win = new Window { Width = Dim.Fill (), Height = Dim.Fill () };
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win.Add (label);
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var top = new Toplevel ();
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top.Add (win);
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Assert.False (label.IsInitialized);
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Application.Begin (top);
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((FakeDriver)Application.Driver).SetBufferSize (30, 5);
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Assert.True (label.IsInitialized);
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Assert.Equal ("Say Hello 你", label.Text);
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Assert.Equal ("Say Hello 你", label.TextFormatter.Text);
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Assert.Equal (new Rectangle (0, 0, 12, 1), label.Viewport);
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var expected = @"
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┌────────────────────────────┐
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│ │
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│ Say Hello 你 │
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│ │
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└────────────────────────────┘
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";
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Rectangle pos = TestHelpers.AssertDriverContentsWithFrameAre (expected, _output);
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Assert.Equal (new Rectangle (0, 0, 30, 5), pos);
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}
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[Fact]
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[SetupFakeDriver]
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public void Full_Border ()
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{
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var label = new Label { BorderStyle = LineStyle.Single , Text = "Test",} ;
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label.BeginInit();
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label.EndInit();
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label.SetRelativeLayout (Application.Driver.Screen.Size);
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Assert.Equal (new (0, 0, 4, 1), label.Viewport);
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Assert.Equal (new (0, 0, 6, 3), label.Frame);
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label.Draw ();
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TestHelpers.AssertDriverContentsWithFrameAre (
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@"
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┌┤Te├┐
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│Test│
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└────┘",
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_output
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);
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label.Dispose ();
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}
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[Fact]
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[AutoInitShutdown]
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public void With_Top_Margin_Without_Top_Border ()
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{
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var label = new Label { Text = "Test", /*Width = 6, Height = 3,*/ BorderStyle = LineStyle.Single };
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label.Margin.Thickness = new Thickness (0, 1, 0, 0);
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label.Border.Thickness = new Thickness (1, 0, 1, 1);
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var top = new Toplevel ();
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top.Add (label);
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Application.Begin (top);
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Assert.Equal (new (0, 0, 6, 3), label.Frame);
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Assert.Equal (new (0, 0, 4, 1), label.Viewport);
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Application.Begin (top);
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TestHelpers.AssertDriverContentsWithFrameAre (
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@"
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│Test│
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└────┘",
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_output
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);
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}
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[Fact]
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[AutoInitShutdown]
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public void Without_Top_Border ()
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{
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var label = new Label { Text = "Test", /* Width = 6, Height = 3, */BorderStyle = LineStyle.Single };
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label.Border.Thickness = new Thickness (1, 0, 1, 1);
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var top = new Toplevel ();
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top.Add (label);
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Application.Begin (top);
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Assert.Equal (new (0, 0, 6, 2), label.Frame);
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Assert.Equal (new (0, 0, 4, 1), label.Viewport);
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Application.Begin (top);
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TestHelpers.AssertDriverContentsWithFrameAre (
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@"
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│Test│
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└────┘",
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_output
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);
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}
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}
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