Add unit tests
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59
tgcli.Tests/MessagePaging.cs
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59
tgcli.Tests/MessagePaging.cs
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namespace tgcli.Tests;
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public class MessagePaging {
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[Theory]
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[InlineData(0)]
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[InlineData(76)]
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[InlineData(77)]
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[InlineData(147)]
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[InlineData(148)]
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[InlineData(218)]
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[InlineData(219)]
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[InlineData(289)]
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public void Test1(int offset) {
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const string testMessage =
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"this is a test string please ignore 1, this is a test string please ignore 2, this is a test string please ignore 3, this is a test string please ignore 4, this is a test string please ignore 5, this is a test string please ignore 6, this is a test string please ignore 7, this is a test str.";
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const int testBufferWidth = 80;
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Assert.Equal(ReferenceMethods.GetViewIntoMessageBuffer(testMessage, offset, testBufferWidth),
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Util.GetViewIntoMessageBuffer(testMessage, offset, testBufferWidth));
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}
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private static class ReferenceMethods {
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internal static (string messageBuffer, int relativeCursorPosition)
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GetViewIntoMessageBuffer(string message, int absoluteCursorPosition, int bufferWidth) {
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const int wraparoundOffsetPre = 2; // number of "untouchable" characters moving the cursor onto will cause a wrap on the right screen edge
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const int wraparoundOffsetPost = 5; // number of "untouchable" characters moving the cursor onto will cause a wrap on the left screen edge
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const int wraparoundOffsetPreW = wraparoundOffsetPre + 1; // offset + 1 (character on the edge), for easier calculations
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const int wraparoundOffsetPostW = wraparoundOffsetPost + 1; // offset + 1 (character on the edge), for easier calculations
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if (absoluteCursorPosition > message.Length)
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throw new ArgumentOutOfRangeException();
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if (message.Length < bufferWidth)
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return (message, absoluteCursorPosition);
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if (absoluteCursorPosition < bufferWidth - wraparoundOffsetPre - 1)
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return (Util.TruncateString(message, bufferWidth, $"{Util.Ansi.Inverse}>{Util.Ansi.InverseOff}"), absoluteCursorPosition);
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// now we can be sure the message needs at least one wrap
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// first wrap
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// get rid of the content shown on the zeroth wrap, which is buf width minus wraparoundPreW (respects > character on screen edge)
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var finalMessage = message[(bufferWidth - wraparoundOffsetPreW - wraparoundOffsetPost)..];
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var finalCursorPos = absoluteCursorPosition - bufferWidth + wraparoundOffsetPreW + wraparoundOffsetPostW;
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// successive wraps
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// repeat above steps (but counting the new < character) until the string fits into the buffer
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// it fits into the buffer when cursorPos >= bufferwidth minus wraparound (this time respecting > character absent on first wrap)
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while (finalCursorPos >= bufferWidth - wraparoundOffsetPreW) {
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finalMessage = finalMessage[(bufferWidth - wraparoundOffsetPreW - wraparoundOffsetPostW)..];
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finalCursorPos = finalCursorPos - bufferWidth + wraparoundOffsetPreW + wraparoundOffsetPostW;
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}
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finalMessage = Util.TruncateString(finalMessage, bufferWidth - 1, $"{Util.Ansi.Inverse}>{Util.Ansi.InverseOff}");
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return ($"{Util.Ansi.Inverse}<{Util.Ansi.InverseOff}" + finalMessage, finalCursorPos);
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}
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}
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}
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1
tgcli.Tests/Usings.cs
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1
tgcli.Tests/Usings.cs
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global using Xunit;
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28
tgcli.Tests/tgcli.Tests.csproj
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28
tgcli.Tests/tgcli.Tests.csproj
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net7.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<IsPackable>false</IsPackable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
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<PackageReference Include="xunit" Version="2.4.2" />
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<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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<PrivateAssets>all</PrivateAssets>
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</PackageReference>
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<PackageReference Include="coverlet.collector" Version="3.1.2">
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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<PrivateAssets>all</PrivateAssets>
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</PackageReference>
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\tgcli\tgcli.csproj" />
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</ItemGroup>
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</Project>
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@ -1,7 +1,10 @@
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Microsoft Visual Studio Solution File, Format Version 12.00
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#
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "tgcli", "tgcli\tgcli.csproj", "{26C5A85E-DDBB-4358-84A7-4A6A577428CB}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "tgcli.Tests", "tgcli.Tests\tgcli.Tests.csproj", "{2A95F0DD-72BF-4B43-BB81-E143A7C800FB}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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@ -12,5 +15,9 @@ Global
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{26C5A85E-DDBB-4358-84A7-4A6A577428CB}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{26C5A85E-DDBB-4358-84A7-4A6A577428CB}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{26C5A85E-DDBB-4358-84A7-4A6A577428CB}.Release|Any CPU.Build.0 = Release|Any CPU
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{2A95F0DD-72BF-4B43-BB81-E143A7C800FB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{2A95F0DD-72BF-4B43-BB81-E143A7C800FB}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{2A95F0DD-72BF-4B43-BB81-E143A7C800FB}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{2A95F0DD-72BF-4B43-BB81-E143A7C800FB}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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EndGlobal
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