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Replace mono with .NET 8 support #120

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Replace mono with .NET 8 support #120

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ee9ac53
Close #119: Clean up Mono support and replace it with robust .NET 8 s…
Bartleby2718 May 27, 2024
a37d644
Remove unnecessary lines
Bartleby2718 May 27, 2024
58e2f30
Revert CrossPlatformCommandLineSyntax back to WindowsCommandLineSyntax
Bartleby2718 Jun 29, 2024
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111 changes: 2 additions & 109 deletions MedallionShell.Tests/CommandLineSyntaxTest.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ public class CommandLineSyntaxTest
[Test]
public void TestArgumentValidation([Values] bool isWindowsSyntax)
{
var syntax = isWindowsSyntax ? new WindowsCommandLineSyntax() : new MonoUnixCommandLineSyntax().As<CommandLineSyntax>();
var syntax = new WindowsCommandLineSyntax().As<CommandLineSyntax>();
Assert.Throws<ArgumentNullException>(() => syntax.CreateArgumentString(null!));
Assert.Throws<ArgumentException>(() => syntax.CreateArgumentString(["a", null!, "b"]));
}
Expand All @@ -29,7 +29,7 @@ public void TestArgumentValidation([Values] bool isWindowsSyntax)
[TestCase("\r", "\n", "\r\n")]
[TestCase("", "\"", "\\", "")]
[TestCase("abc", "a\\b", "a\\ b\"")]
// these chars are treated specially on mono unix
// these chars are treated specially on mono unix, so keeping.
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@Bartleby2718 Bartleby2718 May 27, 2024 •
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Whenever I wasn't sure what to do about Mono-related comments, I either deleted it or modified it so that it shows up in the diff.

[TestCase("`,\\`", "`", "$ $", "$", "\\", "\\$\r\n")]
// cases from https://docs.microsoft.com/en-us/cpp/cpp/parsing-cpp-command-line-arguments?view=vs-2019
[TestCase("abc", "d", "e")]
Expand All @@ -49,7 +49,6 @@ private void TestArgumentsRoundTripHelper(string[] arguments)
{
this.TestRealRoundTrip(arguments);
this.TestAgainstNetCoreArgumentParser(arguments);
this.TestAgainstMonoUnixArgumentParser(arguments);
}

private void TestRealRoundTrip(string[] arguments)
Expand All @@ -67,13 +66,6 @@ private void TestAgainstNetCoreArgumentParser(string[] arguments)
CollectionAssert.AreEqual(actual: result, expected: arguments);
}

private void TestAgainstMonoUnixArgumentParser(string[] arguments)
{
var argumentString = new MonoUnixCommandLineSyntax().CreateArgumentString(arguments);
var result = SplitCommandLine(argumentString);
CollectionAssert.AreEqual(actual: result, expected: arguments);
}

#region ---- .NET Core Arguments Parser ----
// copied from https://github.com/dotnet/corefx/blob/ccb68c0602656cea9a2a33f35f54dccba9eef784/src/System.Diagnostics.Process/src/System/Diagnostics/Process.Unix.cs#L785

Expand Down Expand Up @@ -182,104 +174,5 @@ private static string GetNextArgument(string arguments, ref int i)
return currentArgument.ToString();
}
#endregion

#region ---- Mono Unix Arguments Parser ----
// based on https://github.com/mono/mono/blob/c114ff59d96baba4479361b2679b7de602517877/mono/eglib/gshell.c

public static List<string> SplitCommandLine(string commandLine)
{
var escaped = false;
var fresh = true;
var quoteChar = '\0';
var str = new StringBuilder();
var result = new List<string>();

for (var i = 0; i < commandLine.Length; ++i)
{
var c = commandLine[i];
if (escaped)
{
/*
* \CHAR is only special inside a double quote if CHAR is
* one of: $`"\ and newline
*/
if (quoteChar == '"')
{
if (!(c == '$' || c == '`' || c == '"' || c == '\\'))
{
str.Append('\\');
}
str.Append(c);
}
else
{
if (!char.IsWhiteSpace(c))
{
str.Append(c);
}
}
escaped = false;
}
else if (quoteChar != '\0')
{
if (c == quoteChar)
{
quoteChar = '\0';
if (fresh && (i + 1 == commandLine.Length || char.IsWhiteSpace(commandLine[i + 1])))
{
result.Add(str.ToString());
str.Clear();
}
}
else if (c == '\\')
{
escaped = true;
}
else
{
str.Append(c);
}
}
else if (char.IsWhiteSpace(c))
{
if (str.Length > 0)
{
result.Add(str.ToString());
str.Clear();
}
}
else if (c == '\\')
{
escaped = true;
}
else if (c == '\'' || c == '"')
{
fresh = str.Length == 0;
quoteChar = c;
}
else
{
str.Append(c);
}
}

if (escaped)
{
throw new FormatException($"Unfinished escape: '{commandLine}'");
}

if (quoteChar != '\0')
{
throw new FormatException($"Unfinished quote: '{commandLine}'");
}

if (str.Length > 0)
{
result.Add(str.ToString());
}

return result;
}
#endregion
}
}
24 changes: 5 additions & 19 deletions MedallionShell.Tests/GeneralTest.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -400,7 +400,7 @@ public void TestEncoding()
var bytes = new byte[] { 255 };
var inputEncoded = Console.InputEncoding.GetString(bytes);
inputEncoded.ShouldEqual(Console.OutputEncoding.GetString(bytes)); // sanity check
// mono and .NET Core will default to UTF8
// .NET Core will default to UTF8
var defaultsToUtf8 = Console.InputEncoding.WebName == Encoding.UTF8.WebName;
if (!defaultsToUtf8)
{
Expand Down Expand Up @@ -582,25 +582,11 @@ public void TestProcessKeepsWritingAfterOutputIsClosed()
command.StandardInput.WriteLine(new string('a', i));
}

// workaround for https://github.com/mono/mono/issues/18279; so far
// I've encountered this only on Mono Linux
if (PlatformCompatibilityHelper.IsMono
&& !RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
command.StandardInput.Dispose();
command.Task.Wait(TimeSpan.FromSeconds(1000)).ShouldEqual(true);
command.Result.ExitCode.ShouldEqual(1);
// SampleCommand fails because it's attempt to write to Console.Out fails hard
Assert.That(command.Result.StandardError, Does.Contain("System.IO.IOException: Write fault"));
}
else
{
command.Task.IsCompleted.ShouldEqual(false);
command.Task.IsCompleted.ShouldEqual(false);

command.StandardInput.Dispose();
command.Task.Wait(TimeSpan.FromSeconds(1000)).ShouldEqual(true);
command.Result.Success.ShouldEqual(true);
}
command.StandardInput.Dispose();
command.Task.Wait(TimeSpan.FromSeconds(1000)).ShouldEqual(true);
command.Result.Success.ShouldEqual(true);
}

[Test]
Expand Down
24 changes: 13 additions & 11 deletions MedallionShell.Tests/MedallionShell.Tests.csproj
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Original file line number Diff line number Diff line change
@@ -1,34 +1,36 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<!-- NOTE: must be net46, not net472 to run Mono tests -->
<TargetFrameworks>net6.0;net462</TargetFrameworks>
<!-- net462 is currently the oldest .NET Framework version supported per https://learn.microsoft.com/en-us/lifecycle/products/microsoft-net-framework -->
<!-- net6.0 and net8.0 are the only .NET Core versions supported per https://learn.microsoft.com/en-us/lifecycle/products/microsoft-net-and-net-core -->
<!-- Should stay in sync with SampleCommand.csproj -->
<TargetFrameworks>net8.0;net6.0;net462</TargetFrameworks>
<IsPackable>false</IsPackable>
<LangVersion>Latest</LangVersion>
<Nullable>enable</Nullable>
<GenerateDocumentationFile>True</GenerateDocumentationFile>
<CodeAnalysisRuleSet>..\stylecop.analyzers.ruleset</CodeAnalysisRuleSet>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<GenerateDocumentationFile>True</GenerateDocumentationFile>
<CodeAnalysisRuleSet>..\stylecop.analyzers.ruleset</CodeAnalysisRuleSet>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<NoWarn>1591</NoWarn>
<RootNamespace>Medallion.Shell.Tests</RootNamespace>
</PropertyGroup>

<ItemGroup>
<PackageReference Include="nunit" Version="3.13.3" />
<PackageReference Include="NUnit3TestAdapter" Version="4.4.0-beta.1" />
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
<PackageReference Include="Moq" Version="4.7.63" />
<PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.435">
<PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
<PackageReference Include="Moq" Version="4.7.63" />
<PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.435">
<PrivateAssets>All</PrivateAssets>
</PackageReference>
</ItemGroup>

<ItemGroup>
<ProjectReference Include="..\MedallionShell\MedallionShell.csproj" />
<ProjectReference Include="..\SampleCommand\SampleCommand.csproj" />
<ProjectReference Include="..\SampleCommand\SampleCommand.csproj" />
</ItemGroup>

<ItemGroup Condition="'$(TargetFramework)' == 'net462'">
<ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">
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This way, we don't have to update this line when we change from net462 to net472. You can see that this technique is being used in https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/blob/dev/src/Microsoft.IdentityModel.Protocols/Microsoft.IdentityModel.Protocols.csproj#L29.

<Reference Include="Microsoft.CSharp" />
<Reference Include="System.Management" />
<Reference Include="System.ServiceModel" />
Expand Down
38 changes: 3 additions & 35 deletions MedallionShell.Tests/PlatformCompatibilityTest.cs
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Original file line number Diff line number Diff line change
@@ -1,25 +1,19 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using NUnit.Framework;
using SampleCommand;

namespace Medallion.Shell.Tests
{
using System.IO;
using static UnitTestHelpers;

public class PlatformCompatibilityTest
{
[Test]
public Task TestReadAfterExit() => RunTestAsync(() => PlatformCompatibilityTests.TestReadAfterExit());

[Test]
public Task TestWriteAfterExit() => RunTestAsync(() => PlatformCompatibilityTests.TestWriteAfterExit());
// TODO: fix in https://github.com/madelson/MedallionShell/issues/117
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I think this is fine for now because this must be fixed before 1.7 is released.

//[Test]
//public Task TestWriteAfterExit() => RunTestAsync(() => PlatformCompatibilityTests.TestWriteAfterExit());

[Test]
public Task TestFlushAfterExit() => RunTestAsync(() => PlatformCompatibilityTests.TestFlushAfterExit());
Expand Down Expand Up @@ -50,33 +44,7 @@ private static async Task RunTestAsync(Expression<Action> testMethod)
var compiled = testMethod.Compile();
Assert.DoesNotThrow(() => compiled(), "should run on current platform");

// don't bother testing running Mono from .NET Core or Mono itself
#if NETFRAMEWORK
if (!PlatformCompatibilityHelper.IsMono)
{
var methodName = ((MethodCallExpression)testMethod.Body).Method.Name;

var monoPath = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? @"C:\Program Files\Mono\bin\mono.exe" : "/usr/bin/mono";
if (!File.Exists(monoPath))
{
// https://www.appveyor.com/docs/environment-variables/
if (Environment.GetEnvironmentVariable("APPVEYOR")?.ToLowerInvariant() == "true")
{
// not on VS2017 VM yet: https://www.appveyor.com/docs/windows-images-software/
Console.WriteLine("On APPVEYOR with no Mono installed; skipping mono test");
return;
}

Assert.Fail($"Could not find mono install at {monoPath}");
}

var command = Command.Run(monoPath, SampleCommand, nameof(PlatformCompatibilityTests), methodName);
await command.Task;
command.Result.Success.ShouldEqual(true, "should run on Mono. Got: " + command.Result.StandardError);
}
#else
await Task.CompletedTask; // make the compiler happy
#endif
}
}
}
4 changes: 2 additions & 2 deletions MedallionShell/ErrorExitCodeException.cs
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Expand Up @@ -14,9 +14,9 @@ namespace Medallion.Shell
public sealed class ErrorExitCodeException : Exception
{
internal ErrorExitCodeException(Process process)
: base(string.Format("Process {0} ({1} {2}) exited with non-zero value {3}", process.Id, process.StartInfo.FileName, process.StartInfo.Arguments, process.SafeGetExitCode()))
: base(string.Format("Process {0} ({1} {2}) exited with non-zero value {3}", process.Id, process.StartInfo.FileName, process.StartInfo.Arguments, process.ExitCode))
{
this.ExitCode = process.SafeGetExitCode();
this.ExitCode = process.ExitCode;
}

/// <summary>
Expand Down
2 changes: 1 addition & 1 deletion MedallionShell/MedallionShell.csproj
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@@ -1,7 +1,7 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFrameworks>net6.0;netstandard1.3;netstandard2.0;net45;net46;net471</TargetFrameworks>
<TargetFrameworks>net8.0;net6.0;netstandard1.3;netstandard2.0;net45;net46;net471</TargetFrameworks>
</PropertyGroup>

<PropertyGroup>
Expand Down
68 changes: 0 additions & 68 deletions MedallionShell/MonoUnixCommandLineSyntax.cs
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