Files
Terminal.Gui/UnitTests/ListViewTests.cs

106 lines
3.3 KiB
C#

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Xunit;
namespace Terminal.Gui.Views {
public class ListViewTests {
[Fact]
public void Constructors_Defaults ()
{
var lv = new ListView ();
Assert.Null (lv.Source);
Assert.True (lv.CanFocus);
lv = new ListView (new List<string> () { "One", "Two", "Three" });
Assert.NotNull (lv.Source);
lv = new ListView (new NewListDataSource());
Assert.NotNull (lv.Source);
lv = new ListView (new Rect (0, 1, 10, 20), new List<string> () { "One", "Two", "Three" });
Assert.NotNull (lv.Source);
Assert.Equal (new Rect (0, 1, 10, 20), lv.Frame);
lv = new ListView (new Rect (0, 1, 10, 20), new NewListDataSource ());
Assert.NotNull (lv.Source);
Assert.Equal (new Rect (0, 1, 10, 20), lv.Frame);
}
private class NewListDataSource : IListDataSource {
public int Count => throw new NotImplementedException ();
public int Length => throw new NotImplementedException ();
public bool IsMarked (int item)
{
throw new NotImplementedException ();
}
public void Render (ListView container, ConsoleDriver driver, bool selected, int item, int col, int line, int width, int start = 0)
{
throw new NotImplementedException ();
}
public void SetMark (int item, bool value)
{
throw new NotImplementedException ();
}
public IList ToList ()
{
throw new NotImplementedException ();
}
}
[Fact]
public void KeyBindings_Command ()
{
List<string> source = new List<string> () { "One", "Two", "Three" };
ListView lv = new ListView (source) { Height = 2, AllowsMarking = true };
Assert.Equal (0, lv.SelectedItem);
Assert.True (lv.ProcessKey (new KeyEvent (Key.CursorDown, new KeyModifiers ())));
Assert.Equal (1, lv.SelectedItem);
Assert.True (lv.ProcessKey (new KeyEvent (Key.CursorUp, new KeyModifiers ())));
Assert.Equal (0, lv.SelectedItem);
Assert.True (lv.ProcessKey (new KeyEvent (Key.PageDown, new KeyModifiers ())));
Assert.Equal (2, lv.SelectedItem);
Assert.Equal (2, lv.TopItem);
Assert.True (lv.ProcessKey (new KeyEvent (Key.PageUp, new KeyModifiers ())));
Assert.Equal (0, lv.SelectedItem);
Assert.Equal (0, lv.TopItem);
Assert.False (lv.Source.IsMarked (lv.SelectedItem));
Assert.True (lv.ProcessKey (new KeyEvent (Key.Space, new KeyModifiers ())));
Assert.True (lv.Source.IsMarked (lv.SelectedItem));
var opened = false;
lv.OpenSelectedItem += (_) => opened = true;
Assert.True (lv.ProcessKey (new KeyEvent (Key.Enter, new KeyModifiers ())));
Assert.True (opened);
Assert.True (lv.ProcessKey (new KeyEvent (Key.End, new KeyModifiers ())));
Assert.Equal (2, lv.SelectedItem);
Assert.True (lv.ProcessKey (new KeyEvent (Key.Home, new KeyModifiers ())));
Assert.Equal (0, lv.SelectedItem);
}
[Fact]
[AutoInitShutdown]
public void RowRender_Event ()
{
var rendered = false;
var source = new List<string> () { "one", "two", "three" };
var lv = new ListView () { Width = Dim.Fill (), Height = Dim.Fill () };
lv.RowRender += _ => rendered = true;
Application.Top.Add (lv);
Application.Begin (Application.Top);
Assert.False(rendered);
lv.SetSource (source);
lv.Redraw (lv.Bounds);
Assert.True(rendered);
}
}
}