Close madelson#119: Clean up Mono support and replace it with robust …

….NET 8 support
Bartleby2718 · May 27, 2024 · ee9ac53 · ee9ac53
1 parent c27d1f1
commit ee9ac53
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Showing 25 changed files with 222 additions and 326 deletions.
diff --git a/MedallionShell.Tests/CommandLineSyntaxTest.cs b/MedallionShell.Tests/CommandLineSyntaxTest.cs
@@ -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 CrossPlatformCommandLineSyntax().As<CommandLineSyntax>();
             Assert.Throws<ArgumentNullException>(() => syntax.CreateArgumentString(null!));
             Assert.Throws<ArgumentException>(() => syntax.CreateArgumentString(["a", null!, "b"]));
         }
@@ -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.
         [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")]
@@ -49,7 +49,6 @@ private void TestArgumentsRoundTripHelper(string[] arguments)
         {
             this.TestRealRoundTrip(arguments);
             this.TestAgainstNetCoreArgumentParser(arguments);
-            this.TestAgainstMonoUnixArgumentParser(arguments);
         }
 
         private void TestRealRoundTrip(string[] arguments)
@@ -61,19 +60,12 @@ private void TestRealRoundTrip(string[] arguments)
 
         private void TestAgainstNetCoreArgumentParser(string[] arguments)
         {
-            var argumentString = new WindowsCommandLineSyntax().CreateArgumentString(arguments);
+            var argumentString = new CrossPlatformCommandLineSyntax().CreateArgumentString(arguments);
             var result = new List<string>();
             ParseArgumentsIntoList(argumentString, result);
             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
 
@@ -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
     }
 }
diff --git a/MedallionShell.Tests/GeneralTest.cs b/MedallionShell.Tests/GeneralTest.cs
@@ -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)
             {
@@ -582,10 +582,8 @@ 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))
+            // TODO: This used to be a workaround for https://github.com/mono/mono/issues/18279
+            if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
             {
                 command.StandardInput.Dispose();
                 command.Task.Wait(TimeSpan.FromSeconds(1000)).ShouldEqual(true);

diff --git a/MedallionShell.Tests/MedallionShell.Tests.csproj b/MedallionShell.Tests/MedallionShell.Tests.csproj
@@ -1,34 +1,37 @@
 <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="'$(TargetFramework)' == 'net462'">
+  <!--PR Comment: https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/blob/dev/src/Microsoft.IdentityModel.Protocols/Microsoft.IdentityModel.Protocols.csproj#L29-->
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Management" />
     <Reference Include="System.ServiceModel" />

diff --git a/MedallionShell.Tests/PlatformCompatibilityTest.cs b/MedallionShell.Tests/PlatformCompatibilityTest.cs
@@ -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
+        //[Test]
+        //public Task TestWriteAfterExit() => RunTestAsync(() => PlatformCompatibilityTests.TestWriteAfterExit());
 
         [Test]
         public Task TestFlushAfterExit() => RunTestAsync(() => PlatformCompatibilityTests.TestFlushAfterExit());
@@ -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
         }
     }
 }
diff --git a/MedallionShell/WindowsCommandLineSyntax.cs → ...onShell/CrossPlatformCommandLineSyntax.cs b/MedallionShell/WindowsCommandLineSyntax.cs → ...onShell/CrossPlatformCommandLineSyntax.cs
@@ -1,24 +1,21 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using System.Text;
-using System.Text.RegularExpressions;
-using System.Threading.Tasks;
 
 namespace Medallion.Shell
 {
     /// <summary>
-    /// Provides <see cref="CommandLineSyntax"/> functionality for windows.
+    /// Provides cross-platform <see cref="CommandLineSyntax"/> functionality.
     /// 
     /// Note that while this class uses windows parsing rules, .NET Core actually follows the same rules when parsing
-    /// <see cref="ProcessStartInfo.Arguments"/> into argv for unix-like systems. Therefore, this class is actually
-    /// cross-platform compatible. The one exception is Mono running on Unix, which uses a different escaping scheme.
+    /// <see cref="ProcessStartInfo.Arguments"/> into argv for unix-like systems.
+    /// This does not work for Mono running on Unix, which uses a different escaping scheme.
     /// </summary>
-    public sealed class WindowsCommandLineSyntax : CommandLineSyntax
+    public sealed class CrossPlatformCommandLineSyntax : CommandLineSyntax
     {
         /// <summary>
-        /// Provides <see cref="CommandLineSyntax"/> functionality for windows
+        /// Provides cross-platform <see cref="CommandLineSyntax"/> functionality
         /// </summary>
         public override string CreateArgumentString(IEnumerable<string> arguments) => CreateArgumentString(arguments, AppendArgument);
 

diff --git a/MedallionShell/ErrorExitCodeException.cs b/MedallionShell/ErrorExitCodeException.cs
@@ -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>

diff --git a/MedallionShell/MedallionShell.csproj b/MedallionShell/MedallionShell.csproj
@@ -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>