mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-30 09:47:58 +01:00
528 lines
16 KiB
C#
528 lines
16 KiB
C#
using System;
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using System.Linq;
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using Terminal.Gui;
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using Xunit;
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using Xunit.Abstractions;
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namespace UnitTests {
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public class SplitContainerTests {
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readonly ITestOutputHelper output;
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public SplitContainerTests (ITestOutputHelper output)
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{
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this.output = output;
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Vertical ()
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{
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var splitContainer = Get11By3SplitContainer (out var line);
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splitContainer.Redraw (splitContainer.Bounds);
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string looksLike =
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@"
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11111│22222
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│
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│ ";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Keyboard movement on splitter should have no effect if it is not focused
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line.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ()));
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splitContainer.SetNeedsDisplay ();
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splitContainer.Redraw (splitContainer.Bounds);
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Vertical_WithBorder ()
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{
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var splitContainer = Get11By3SplitContainer (out var line, true);
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splitContainer.Redraw (splitContainer.Bounds);
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string looksLike =
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@"
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┌────┬────┐
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│1111│2222│
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└────┴────┘";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Keyboard movement on splitter should have no effect if it is not focused
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line.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ()));
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splitContainer.SetNeedsDisplay ();
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splitContainer.Redraw (splitContainer.Bounds);
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Vertical_Focused ()
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{
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var splitContainer = Get11By3SplitContainer (out var line);
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SetInputFocusLine (splitContainer);
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splitContainer.Redraw (splitContainer.Bounds);
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string looksLike =
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@"
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11111│22222
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◊
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│ ";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Now while focused move the splitter 1 unit right
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line.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ()));
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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111111│2222
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◊
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│ ";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// and 2 to the left
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line.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
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line.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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1111│222222
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◊
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│ ";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Vertical_Focused_WithBorder ()
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{
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var splitContainer = Get11By3SplitContainer (out var line, true);
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SetInputFocusLine (splitContainer);
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splitContainer.Redraw (splitContainer.Bounds);
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string looksLike =
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@"
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┌────┬────┐
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│1111◊2222│
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└────┴────┘";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Now while focused move the splitter 1 unit right
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line.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ()));
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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┌─────┬───┐
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│11111◊222│
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└─────┴───┘";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// and 2 to the left
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line.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
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line.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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┌───┬─────┐
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│111◊22222│
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└───┴─────┘";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Vertical_Focused_50PercentSplit ()
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{
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var splitContainer = Get11By3SplitContainer (out var line);
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SetInputFocusLine (splitContainer);
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splitContainer.SplitterDistance = Pos.Percent (50);
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Assert.IsType<Pos.PosFactor> (splitContainer.SplitterDistance);
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splitContainer.Redraw (splitContainer.Bounds);
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string looksLike =
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@"
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11111│22222
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◊
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│ ";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Now while focused move the splitter 1 unit right
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line.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ()));
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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111111│2222
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◊
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│ ";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Even when moving the splitter location it should stay a Percentage based one
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Assert.IsType<Pos.PosFactor> (splitContainer.SplitterDistance);
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// and 2 to the left
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line.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
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line.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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1111│222222
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◊
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│ ";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Even when moving the splitter location it should stay a Percentage based one
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Assert.IsType<Pos.PosFactor> (splitContainer.SplitterDistance);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Horizontal ()
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{
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var splitContainer = Get11By3SplitContainer (out var line);
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splitContainer.Orientation = Terminal.Gui.Graphs.Orientation.Horizontal;
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splitContainer.Redraw (splitContainer.Bounds);
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string looksLike =
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@"
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11111111111
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───────────
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22222222222";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Keyboard movement on splitter should have no effect if it is not focused
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line.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ()));
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splitContainer.SetNeedsDisplay ();
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splitContainer.Redraw (splitContainer.Bounds);
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Vertical_Panel1MinSize_Absolute ()
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{
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var splitContainer = Get11By3SplitContainer (out var line);
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SetInputFocusLine (splitContainer);
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splitContainer.Panel1MinSize = 6;
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// distance is too small (below 6)
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splitContainer.SplitterDistance = 2;
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// Should bound the value to the minimum distance
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Assert.Equal (6, splitContainer.SplitterDistance);
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splitContainer.Redraw (splitContainer.Bounds);
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// so should ignore the 2 distance and stick to 6
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string looksLike =
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@"
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111111│2222
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◊
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│ ";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Keyboard movement on splitter should have no effect because it
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// would take us below the minimum splitter size
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line.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
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splitContainer.SetNeedsDisplay ();
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splitContainer.Redraw (splitContainer.Bounds);
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// but we can continue to move the splitter right if we want
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line.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ()));
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splitContainer.SetNeedsDisplay ();
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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1111111│222
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◊
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│ ";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Vertical_Panel1MinSize_Absolute_WithBorder ()
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{
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var splitContainer = Get11By3SplitContainer (out var line,true);
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SetInputFocusLine (splitContainer);
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splitContainer.Panel1MinSize = 5;
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// distance is too small (below 5)
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splitContainer.SplitterDistance = 2;
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// Should bound the value to the minimum distance
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Assert.Equal (6, splitContainer.SplitterDistance);
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splitContainer.Redraw (splitContainer.Bounds);
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// so should ignore the 2 distance and stick to 5
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string looksLike =
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@"
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┌─────┬───┐
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│11111◊222│
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└─────┴───┘";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Keyboard movement on splitter should have no effect because it
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// would take us below the minimum splitter size
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line.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
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splitContainer.SetNeedsDisplay ();
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splitContainer.Redraw (splitContainer.Bounds);
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// but we can continue to move the splitter right if we want
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line.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ()));
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splitContainer.SetNeedsDisplay ();
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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┌──────┬──┐
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│111111◊22│
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└──────┴──┘";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Vertical_Panel2MinSize_Absolute ()
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{
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var splitContainer = Get11By3SplitContainer (out var line);
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SetInputFocusLine (splitContainer);
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splitContainer.Panel2MinSize = 6;
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// distance leaves too little space for panel2 (less than 6 would remain)
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splitContainer.SplitterDistance = 8;
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// Should bound the value to the minimum distance
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Assert.Equal (4, splitContainer.SplitterDistance);
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splitContainer.Redraw (splitContainer.Bounds);
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// so should ignore the 2 distance and stick to 6
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string looksLike =
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@"
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1111│222222
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◊
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│ ";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Keyboard movement on splitter should have no effect because it
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// would take us below the minimum splitter size
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line.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ()));
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splitContainer.SetNeedsDisplay ();
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splitContainer.Redraw (splitContainer.Bounds);
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// but we can continue to move the splitter left if we want
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line.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
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splitContainer.SetNeedsDisplay ();
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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111│2222222
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◊
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│ ";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Vertical_Panel2MinSize_Absolute_WithBorder ()
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{
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var splitContainer = Get11By3SplitContainer (out var line, true);
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SetInputFocusLine (splitContainer);
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splitContainer.Panel2MinSize = 5;
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// distance leaves too little space for panel2 (less than 5 would remain)
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splitContainer.SplitterDistance = 8;
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// Should bound the value to the minimum distance
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Assert.Equal (4, splitContainer.SplitterDistance);
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splitContainer.Redraw (splitContainer.Bounds);
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// so should ignore the 2 distance and stick to 6
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string looksLike =
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@"
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┌───┬─────┐
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│111◊22222│
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└───┴─────┘";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Keyboard movement on splitter should have no effect because it
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// would take us below the minimum splitter size
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line.ProcessKey (new KeyEvent (Key.CursorRight, new KeyModifiers ()));
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splitContainer.SetNeedsDisplay ();
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splitContainer.Redraw (splitContainer.Bounds);
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// but we can continue to move the splitter left if we want
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line.ProcessKey (new KeyEvent (Key.CursorLeft, new KeyModifiers ()));
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splitContainer.SetNeedsDisplay ();
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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┌──┬──────┐
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│11◊222222│
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└──┴──────┘";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Horizontal_Focused ()
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{
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var splitContainer = Get11By3SplitContainer (out var line);
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splitContainer.Orientation = Terminal.Gui.Graphs.Orientation.Horizontal;
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SetInputFocusLine (splitContainer);
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splitContainer.Redraw (splitContainer.Bounds);
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string looksLike =
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@"
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11111111111
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─────◊─────
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22222222222";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Now move splitter line down
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line.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ()));
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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11111111111
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─────◊─────";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// And 2 up
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line.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ()));
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line.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ()));
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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─────◊─────
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22222222222";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_Horizontal_Panel1MinSize_Absolute ()
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{
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var splitContainer = Get11By3SplitContainer (out var line);
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splitContainer.Orientation = Terminal.Gui.Graphs.Orientation.Horizontal;
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SetInputFocusLine (splitContainer);
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splitContainer.Panel1MinSize = 1;
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// 0 should not be allowed because it brings us below minimum size of Panel1
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splitContainer.SplitterDistance = 0;
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Assert.Equal ((Pos)1, splitContainer.SplitterDistance);
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splitContainer.Redraw (splitContainer.Bounds);
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string looksLike =
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@"
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11111111111
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─────◊─────
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22222222222";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// Now move splitter line down (allowed
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line.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ()));
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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11111111111
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─────◊─────";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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// And up 2 (only 1 is allowed because of minimum size of 1 on panel1)
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line.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ()));
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line.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ()));
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splitContainer.Redraw (splitContainer.Bounds);
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looksLike =
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@"
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11111111111
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─────◊─────
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22222222222";
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TestHelpers.AssertDriverContentsAre (looksLike, output);
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}
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[Fact, AutoInitShutdown]
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public void TestSplitContainer_CannotSetSplitterPosToFuncEtc ()
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{
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var splitContainer = Get11By3SplitContainer ();
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var ex = Assert.Throws<ArgumentException> (() => splitContainer.SplitterDistance = Pos.Right (splitContainer));
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Assert.Equal ("Only Percent and Absolute values are supported for SplitterDistance property. Passed value was PosCombine", ex.Message);
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ex = Assert.Throws<ArgumentException> (() => splitContainer.SplitterDistance = Pos.Function (() => 1));
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Assert.Equal ("Only Percent and Absolute values are supported for SplitterDistance property. Passed value was PosFunc", ex.Message);
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// Also not allowed because this results in a PosCombine
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ex = Assert.Throws<ArgumentException> (() => splitContainer.SplitterDistance = Pos.Percent (50) - 1);
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Assert.Equal ("Only Percent and Absolute values are supported for SplitterDistance property. Passed value was PosCombine", ex.Message);
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}
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private LineView GetSplitContainerLineView (SplitContainer splitContainer)
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{
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return splitContainer.Subviews.OfType<LineView> ().Single ();
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}
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private void SetInputFocusLine (SplitContainer splitContainer)
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{
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var line = GetSplitContainerLineView (splitContainer);
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line.SetFocus ();
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Assert.True (line.HasFocus);
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}
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private SplitContainer Get11By3SplitContainer(out LineView line, bool withBorder = false)
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{
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var split = Get11By3SplitContainer (withBorder);
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line = GetSplitContainerLineView (split);
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return split;
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}
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private SplitContainer Get11By3SplitContainer (bool withBorder = false)
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{
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var container = new SplitContainer () {
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Width = 11,
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Height = 3,
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};
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container.IntegratedBorder = withBorder ? BorderStyle.Single : BorderStyle.None;
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container.Panel1.Add (new Label (new string ('1', 100)));
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container.Panel2.Add (new Label (new string ('2', 100)));
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container.Panel1MinSize = 0;
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container.Panel2MinSize = 0;
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Application.Top.Add (container);
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container.ColorScheme = new ColorScheme ();
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container.LayoutSubviews ();
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container.BeginInit ();
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container.EndInit ();
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return container;
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}
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}
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}
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