mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-27 00:07:58 +01:00
372 lines
14 KiB
C#
372 lines
14 KiB
C#
using System;
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using System.Threading;
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using Terminal.Gui;
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using Xunit;
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namespace Terminal.Gui.TextTests {
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public class CollectionNavigatorTests {
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static string [] simpleStrings = new string []{
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"appricot", // 0
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"arm", // 1
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"bat", // 2
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"batman", // 3
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"candle" // 4
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};
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[Fact]
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public void ShouldAcceptNegativeOne ()
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{
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var n = new CollectionNavigator (simpleStrings);
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// Expect that index of -1 (i.e. no selection) should work correctly
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// and select the first entry of the letter 'b'
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Assert.Equal (2, n.GetNextMatchingItem (-1, 'b'));
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}
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[Fact]
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public void OutOfBoundsShouldBeIgnored ()
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{
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var n = new CollectionNavigator (simpleStrings);
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// Expect saying that index 500 is the current selection should not cause
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// error and just be ignored (treated as no selection)
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Assert.Equal (2, n.GetNextMatchingItem (500, 'b'));
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}
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[Fact]
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public void Cycling ()
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{
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var n = new CollectionNavigator (simpleStrings);
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Assert.Equal (2, n.GetNextMatchingItem (0, 'b'));
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Assert.Equal (3, n.GetNextMatchingItem (2, 'b'));
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// if 4 (candle) is selected it should loop back to bat
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Assert.Equal (2, n.GetNextMatchingItem (4, 'b'));
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}
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[Fact]
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public void FullText ()
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{
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var strings = new string []{
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"appricot",
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"arm",
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"ta",
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"target",
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"text",
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"egg",
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"candle"
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};
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var n = new CollectionNavigator (strings);
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int current = 0;
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Assert.Equal (strings.IndexOf ("ta"), current = n.GetNextMatchingItem (current, 't'));
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// should match "te" in "text"
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Assert.Equal (strings.IndexOf ("text"), current = n.GetNextMatchingItem (current, 'e'));
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// still matches text
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Assert.Equal (strings.IndexOf ("text"), current = n.GetNextMatchingItem (current, 'x'));
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// nothing starts texa so it should NOT jump to appricot
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Assert.Equal (strings.IndexOf ("text"), current = n.GetNextMatchingItem (current, 'a'));
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Thread.Sleep (n.TypingDelay + 100);
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// nothing starts "texa". Since were past timedelay we DO jump to appricot
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Assert.Equal (strings.IndexOf ("appricot"), current = n.GetNextMatchingItem (current, 'a'));
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}
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[Fact]
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public void Unicode ()
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{
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var strings = new string []{
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"appricot",
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"arm",
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"ta",
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"丗丙业丞",
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"丗丙丛",
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"text",
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"egg",
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"candle"
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};
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var n = new CollectionNavigator (strings);
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int current = 0;
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Assert.Equal (strings.IndexOf ("丗丙业丞"), current = n.GetNextMatchingItem (current, '丗'));
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// 丗丙业丞 is as good a match as 丗丙丛
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// so when doing multi character searches we should
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// prefer to stay on the same index unless we invalidate
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// our typed text
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Assert.Equal (strings.IndexOf ("丗丙业丞"), current = n.GetNextMatchingItem (current, '丙'));
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// No longer matches 丗丙业丞 and now only matches 丗丙丛
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// so we should move to the new match
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Assert.Equal (strings.IndexOf ("丗丙丛"), current = n.GetNextMatchingItem (current, '丛'));
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// nothing starts "丗丙丛a". Since were still in the timedelay we do not jump to appricot
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Assert.Equal (strings.IndexOf ("丗丙丛"), current = n.GetNextMatchingItem (current, 'a'));
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Thread.Sleep (n.TypingDelay + 100);
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// nothing starts "丗丙丛a". Since were past timedelay we DO jump to appricot
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Assert.Equal (strings.IndexOf ("appricot"), current = n.GetNextMatchingItem (current, 'a'));
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}
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[Fact]
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public void AtSymbol ()
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{
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var strings = new string []{
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"appricot",
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"arm",
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"ta",
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"@bob",
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"@bb",
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"text",
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"egg",
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"candle"
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};
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var n = new CollectionNavigator (strings);
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Assert.Equal (3, n.GetNextMatchingItem (0, '@'));
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Assert.Equal (3, n.GetNextMatchingItem (3, 'b'));
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Assert.Equal (4, n.GetNextMatchingItem (3, 'b'));
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}
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[Fact]
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public void Word ()
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{
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var strings = new string []{
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"appricot",
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"arm",
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"bat",
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"batman",
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"bates hotel",
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"candle"
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};
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int current = 0;
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var n = new CollectionNavigator (strings);
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Assert.Equal (strings.IndexOf ("bat"), current = n.GetNextMatchingItem (current, 'b')); // match bat
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Assert.Equal (strings.IndexOf ("bat"), current = n.GetNextMatchingItem (current, 'a')); // match bat
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Assert.Equal (strings.IndexOf ("bat"), current = n.GetNextMatchingItem (current, 't')); // match bat
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Assert.Equal (strings.IndexOf ("bates hotel"), current = n.GetNextMatchingItem (current, 'e')); // match bates hotel
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Assert.Equal (strings.IndexOf ("bates hotel"), current = n.GetNextMatchingItem (current, 's')); // match bates hotel
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Assert.Equal (strings.IndexOf ("bates hotel"), current = n.GetNextMatchingItem (current, ' ')); // match bates hotel
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}
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[Fact]
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public void Symbols ()
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{
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var strings = new string []{
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"$$",
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"$100.00",
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"$101.00",
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"$101.10",
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"$200.00",
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"appricot"
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};
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int current = 0;
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var n = new CollectionNavigator (strings);
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Assert.Equal (strings.IndexOf ("appricot"), current = n.GetNextMatchingItem (current, 'a'));
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Assert.Equal ("a", n.SearchString);
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, '$'));
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Assert.Equal ("$", n.SearchString);
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Assert.Equal (strings.IndexOf ("$100.00"), current = n.GetNextMatchingItem (current, '1'));
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Assert.Equal ("$1", n.SearchString);
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Assert.Equal (strings.IndexOf ("$100.00"), current = n.GetNextMatchingItem (current, '0'));
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Assert.Equal ("$10", n.SearchString);
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Assert.Equal (strings.IndexOf ("$101.00"), current = n.GetNextMatchingItem (current, '1'));
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Assert.Equal ("$101", n.SearchString);
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Assert.Equal (strings.IndexOf ("$101.00"), current = n.GetNextMatchingItem (current, '.'));
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Assert.Equal ("$101.", n.SearchString);
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// stay on the same item becuase still in timedelay
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Assert.Equal (strings.IndexOf ("$101.00"), current = n.GetNextMatchingItem (current, 'a'));
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Assert.Equal ("$101.", n.SearchString);
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Thread.Sleep (n.TypingDelay + 100);
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// another '$' means searching for "$" again
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Assert.Equal (strings.IndexOf ("$101.10"), current = n.GetNextMatchingItem (current, '$'));
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Assert.Equal ("$", n.SearchString);
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, '$'));
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Assert.Equal ("$$", n.SearchString);
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}
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[Fact]
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public void Delay ()
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{
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var strings = new string []{
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"$$",
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"$100.00",
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"$101.00",
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"$101.10",
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"$200.00",
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"appricot"
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};
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int current = 0;
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var n = new CollectionNavigator (strings);
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// No delay
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Assert.Equal (strings.IndexOf ("appricot"), current = n.GetNextMatchingItem (current, 'a'));
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Assert.Equal ("a", n.SearchString);
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, '$'));
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Assert.Equal ("$", n.SearchString);
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, '$'));
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Assert.Equal ("$$", n.SearchString);
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// Delay
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Thread.Sleep (n.TypingDelay + 10);
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Assert.Equal (strings.IndexOf ("appricot"), current = n.GetNextMatchingItem (current, 'a'));
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Assert.Equal ("a", n.SearchString);
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Thread.Sleep (n.TypingDelay + 10);
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, '$'));
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Assert.Equal ("$", n.SearchString);
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Thread.Sleep (n.TypingDelay + 10);
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Assert.Equal (strings.IndexOf ("$100.00"), current = n.GetNextMatchingItem (current, '$'));
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Assert.Equal ("$", n.SearchString);
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Thread.Sleep (n.TypingDelay + 10);
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Assert.Equal (strings.IndexOf ("$101.00"), current = n.GetNextMatchingItem (current, '$'));
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Assert.Equal ("$", n.SearchString);
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Thread.Sleep (n.TypingDelay + 10);
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Assert.Equal (strings.IndexOf ("$101.10"), current = n.GetNextMatchingItem (current, '$'));
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Assert.Equal ("$", n.SearchString);
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Thread.Sleep (n.TypingDelay + 10);
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Assert.Equal (strings.IndexOf ("$101.10"), current = n.GetNextMatchingItem (current, '2')); // Shouldn't move
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Assert.Equal ("2", n.SearchString);
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}
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[Fact]
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public void MutliKeySearchPlusWrongKeyStays ()
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{
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var strings = new string []{
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"a",
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"c",
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"can",
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"candle",
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"candy",
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"yellow",
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"zebra"
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};
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int current = 0;
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var n = new CollectionNavigator (strings);
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// https://github.com/gui-cs/Terminal.Gui/pull/2132#issuecomment-1298425573
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// One thing that it currently does that is different from Explorer is that as soon as you hit a wrong key then it jumps to that index.
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// So if you type cand then z it jumps you to something beginning with z. In the same situation Windows Explorer beeps (not the best!)
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// but remains on candle.
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// We might be able to update the behaviour so that a 'wrong' keypress (z) within 500ms of a 'right' keypress ("can" + 'd') is
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// simply ignored (possibly ending the search process though). That would give a short delay for user to realise the thing
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// they typed doesn't exist and then start a new search (which would be possible 500ms after the last 'good' keypress).
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// This would only apply for 2+ character searches where theres been a successful 2+ character match right before.
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Assert.Equal (strings.IndexOf ("a"), current = n.GetNextMatchingItem (current, 'a'));
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Assert.Equal ("a", n.SearchString);
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Assert.Equal (strings.IndexOf ("c"), current = n.GetNextMatchingItem (current, 'c'));
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Assert.Equal ("c", n.SearchString);
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Assert.Equal (strings.IndexOf ("can"), current = n.GetNextMatchingItem (current, 'a'));
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Assert.Equal ("ca", n.SearchString);
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Assert.Equal (strings.IndexOf ("can"), current = n.GetNextMatchingItem (current, 'n'));
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Assert.Equal ("can", n.SearchString);
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Assert.Equal (strings.IndexOf ("candle"), current = n.GetNextMatchingItem (current, 'd'));
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Assert.Equal ("cand", n.SearchString);
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// Same as above, but with a 'wrong' key (z)
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Thread.Sleep (n.TypingDelay + 10);
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Assert.Equal (strings.IndexOf ("a"), current = n.GetNextMatchingItem (current, 'a'));
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Assert.Equal ("a", n.SearchString);
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Assert.Equal (strings.IndexOf ("c"), current = n.GetNextMatchingItem (current, 'c'));
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Assert.Equal ("c", n.SearchString);
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Assert.Equal (strings.IndexOf ("can"), current = n.GetNextMatchingItem (current, 'a'));
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Assert.Equal ("ca", n.SearchString);
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Assert.Equal (strings.IndexOf ("can"), current = n.GetNextMatchingItem (current, 'n'));
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Assert.Equal ("can", n.SearchString);
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Assert.Equal (strings.IndexOf ("can"), current = n.GetNextMatchingItem (current, 'z')); // Shouldn't move
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Assert.Equal ("can", n.SearchString); // Shouldn't change
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}
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[Fact]
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public void MinimizeMovement_False_ShouldMoveIfMultipleMatches ()
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{
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var strings = new string [] {
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"$$",
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"$100.00",
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"$101.00",
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"$101.10",
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"$200.00",
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"appricot",
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"c",
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"car",
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"cart",
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};
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int current = 0;
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var n = new CollectionNavigator (strings);
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, "$$", false));
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Assert.Equal (strings.IndexOf ("$100.00"), current = n.GetNextMatchingItem (current, "$", false));
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, "$$", false)); // back to top
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Assert.Equal (strings.IndexOf ("$100.00"), current = n.GetNextMatchingItem (current, "$", false));
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Assert.Equal (strings.IndexOf ("$101.00"), current = n.GetNextMatchingItem (current, "$", false));
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Assert.Equal (strings.IndexOf ("$101.10"), current = n.GetNextMatchingItem (current, "$", false));
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Assert.Equal (strings.IndexOf ("$200.00"), current = n.GetNextMatchingItem (current, "$", false));
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, "$", false)); // back to top
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Assert.Equal (strings.IndexOf ("appricot"), current = n.GetNextMatchingItem (current, "a", false));
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, "$", false)); // back to top
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Assert.Equal (strings.IndexOf ("$100.00"), current = n.GetNextMatchingItem (current, "$100.00", false));
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Assert.Equal (strings.IndexOf ("$101.00"), current = n.GetNextMatchingItem (current, "$", false));
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Assert.Equal (strings.IndexOf ("$101.00"), current = n.GetNextMatchingItem (current, "$101.00", false));
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Assert.Equal (strings.IndexOf ("$200.00"), current = n.GetNextMatchingItem (current, "$2", false));
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Assert.Equal (strings.IndexOf ("$200.00"), current = n.GetNextMatchingItem (current, "$200.00", false));
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Assert.Equal (strings.IndexOf ("$101.00"), current = n.GetNextMatchingItem (current, "$101.00", false));
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Assert.Equal (strings.IndexOf ("$200.00"), current = n.GetNextMatchingItem (current, "$2", false));
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Assert.Equal (strings.IndexOf ("$101.00"), current = n.GetNextMatchingItem (current, "$101.00", false));
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Assert.Equal (strings.IndexOf ("$200.00"), current = n.GetNextMatchingItem (current, "$2", false));
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Assert.Equal (strings.IndexOf ("car"), current = n.GetNextMatchingItem (current, "car", false));
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Assert.Equal (strings.IndexOf ("cart"), current = n.GetNextMatchingItem (current, "car", false));
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Assert.Equal (-1, current = n.GetNextMatchingItem (current, "x", false));
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}
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[Fact]
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public void MinimizeMovement_True_ShouldStayOnCurrentIfMultipleMatches ()
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{
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var strings = new string [] {
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"$$",
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"$100.00",
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"$101.00",
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"$101.10",
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"$200.00",
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"appricot",
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"c",
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"car",
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"cart",
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};
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int current = 0;
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var n = new CollectionNavigator (strings);
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, "$$", true));
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, "$", true));
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Assert.Equal (strings.IndexOf ("$$"), current = n.GetNextMatchingItem (current, "$$", true)); // back to top
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Assert.Equal (strings.IndexOf ("$100.00"), current = n.GetNextMatchingItem (current, "$1", true));
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Assert.Equal (strings.IndexOf ("$100.00"), current = n.GetNextMatchingItem (current, "$", true));
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Assert.Equal (strings.IndexOf ("$100.00"), current = n.GetNextMatchingItem (current, "$", true));
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Assert.Equal (strings.IndexOf ("car"), current = n.GetNextMatchingItem (current, "car", true));
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Assert.Equal (strings.IndexOf ("car"), current = n.GetNextMatchingItem (current, "car", true));
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Assert.Equal (-1, current = n.GetNextMatchingItem (current, "x", true));
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}
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}
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}
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