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Fix bug when splitting text containing CJK chars

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In Segment.Split, we didn't take cell width into account
when calculating the offset, which resulted in some "fun" bugs.
I've added a new overload for Segment.Split and obsoleted the old one.

Closes #150
This commit is contained in:
Patrik Svensson
2020-12-16 23:30:03 +01:00
committed by Patrik Svensson
parent ee305702e8
commit 6932c95731
5 changed files with 125 additions and 29 deletions
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7
src/Spectre.Console.Tests/Expectations/PanelTests.Should_Wrap_Table_With_CJK_Tables_In_Panel_Correctly.verified.txt Normal file
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@ -0,0 +1,7 @@
┌──────────┐
│ ┌──────┐ │
│ │ 测试 │ │
│ ├──────┤ │
│ │ 测试 │ │
│ └──────┘ │
└──────────┘

20
src/Spectre.Console.Tests/Unit/PanelTests.cs
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@ -1,5 +1,7 @@
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
using Shouldly;
using Spectre.Console.Rendering;
using VerifyXunit;
using Xunit;
@ -267,5 +269,23 @@ namespace Spectre.Console.Tests.Unit
// Then
return Verifier.Verify(console.Output);
}
[Fact]
public Task Should_Wrap_Table_With_CJK_Tables_In_Panel_Correctly()
{
// Given
var console = new PlainConsole(width: 80);
var table = new Table();
table.AddColumn("测试");
table.AddRow("测试");
var panel = new Panel(table);
// When
console.Render(panel);
// Then
return Verifier.Verify(console.Output);
}
}
}

35
src/Spectre.Console.Tests/Unit/SegmentTests.cs
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@ -22,18 +22,43 @@ namespace Spectre.Console.Tests.Unit
[UsesVerify]
public sealed class TheSplitMethod
{
[Fact]
public Task Should_Split_Segment_Correctly()
[Theory]
[InlineData("Foo Bar", 0, "", "Foo Bar")]
[InlineData("Foo Bar", 1, "F", "oo Bar")]
[InlineData("Foo Bar", 2, "Fo", "o Bar")]
[InlineData("Foo Bar", 3, "Foo", " Bar")]
[InlineData("Foo Bar", 4, "Foo ", "Bar")]
[InlineData("Foo Bar", 5, "Foo B", "ar")]
[InlineData("Foo Bar", 6, "Foo Ba", "r")]
[InlineData("Foo Bar", 7, "Foo Bar", null)]
[InlineData("Foo 测试 Bar", 0, "", "Foo 测试 Bar")]
[InlineData("Foo 测试 Bar", 1, "F", "oo 测试 Bar")]
[InlineData("Foo 测试 Bar", 2, "Fo", "o 测试 Bar")]
[InlineData("Foo 测试 Bar", 3, "Foo", " 测试 Bar")]
[InlineData("Foo 测试 Bar", 4, "Foo ", "测试 Bar")]
[InlineData("Foo 测试 Bar", 5, "Foo 测", "试 Bar")]
[InlineData("Foo 测试 Bar", 6, "Foo 测", "试 Bar")]
[InlineData("Foo 测试 Bar", 7, "Foo 测试", " Bar")]
[InlineData("Foo 测试 Bar", 8, "Foo 测试", " Bar")]
[InlineData("Foo 测试 Bar", 9, "Foo 测试 ", "Bar")]
[InlineData("Foo 测试 Bar", 10, "Foo 测试 B", "ar")]
[InlineData("Foo 测试 Bar", 11, "Foo 测试 Ba", "r")]
[InlineData("Foo 测试 Bar", 12, "Foo 测试 Bar", null)]
public void Should_Split_Segment_Correctly(string text, int offset, string expectedFirst, string expectedSecond)
{
// Given
var style = new Style(Color.Red, Color.Green, Decoration.Bold);
var segment = new Segment("Foo Bar", style);
var context = new RenderContext(Encoding.UTF8, false);
var segment = new Segment(text, style);
// When
var result = segment.Split(3);
var (first, second) = segment.Split(context, offset);
// Then
return Verifier.Verify(result);
first.Text.ShouldBe(expectedFirst);
first.Style.ShouldBe(style);
second?.Text?.ShouldBe(expectedSecond);
second?.Style?.ShouldBe(style);
}
}