Close madelson#118: Support relative paths

Bartleby2718 · May 28, 2024 · fa4c1d3 · fa4c1d3
1 parent a37d644
commit fa4c1d3
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Showing 3 changed files with 78 additions and 4 deletions.
diff --git a/MedallionShell.Tests/GeneralTest.cs b/MedallionShell.Tests/GeneralTest.cs
@@ -589,6 +589,47 @@ public void TestProcessKeepsWritingAfterOutputIsClosed()
             command.Result.Success.ShouldEqual(true);
         }
 
+        [Platform("Win", Reason = "Tests Windows-specific paths")]
+        [TestCase(@"C:\Program Files\dotnet\dotnet.exe", @".\dotnet.exe", @"C:\Program Files\dotnet")]
+        [TestCase(@"C:\Program Files\dotnet\dotnet.exe", @".\dotnet.exe", @"C:\Program Files\dotnet\")]
+        [TestCase(@"C:\Program Files\dotnet\dotnet.exe", "dotnet.exe", @"C:\Program Files\dotnet")]
+        [TestCase(@"C:\Program Files\dotnet\dotnet.exe", "dotnet.exe", @"C:\Program Files\dotnet\")]
+        [TestCase(@"C:\Program Files\dotnet\dotnet.exe", @"dotnet\dotnet.exe", @"C:\Program Files")]
+        [TestCase(@"C:\Program Files\dotnet\dotnet.exe", @"Program Files\dotnet\dotnet.exe", @"C:\")]
+        [TestCase(@"C:\Program Files\nodejs\npm.cmd", @".\npm.cmd", @"C:\Program Files\nodejs")]
+        public void TestRelativePathsOnWindows(string fullyQualifiedExecutablePath, string relativeExecutablePath, string workingDirectory) =>
+            TestRelativePaths(fullyQualifiedExecutablePath, relativeExecutablePath, workingDirectory);
+
+#if !NETFRAMEWORK
+        [Platform("Unix", Reason = "Tests Unix-specific paths")]
+        [TestCase("/usr/bin/dotnet", "./dotnet", "/usr/bin")]
+        [TestCase("/usr/bin/dotnet", "./dotnet", "/usr/bin/")]
+        [TestCase("/usr/bin/dotnet", "dotnet", "/usr/bin")]
+        [TestCase("/usr/bin/dotnet", "dotnet", "/usr/bin/")]
+        [TestCase("/usr/bin/dotnet", "bin/dotnet", "/usr")]
+        [TestCase("/usr/bin/dotnet", "user/bin/dotnet", "/")]
+        public void TestRelativePathsOnUnix(string fullyQualifiedExecutablePath, string relativeExecutablePath, string workingDirectory) =>
+            TestRelativePaths(fullyQualifiedExecutablePath, relativeExecutablePath, workingDirectory);
+#endif
+
+        private static void TestRelativePaths(string fullyQualifiedExecutablePath, string relativeExecutablePath, string workingDirectory)
+        {
+            var expectedVersion = TestShell.Run(fullyQualifiedExecutablePath, ["--version"])
+                .StandardOutput
+                .ReadToEnd();
+
+            Assert.That(expectedVersion, Does.Match(@"\d.\d.\d"));
+
+            Assert.That(
+                TestShell.Run(
+                    relativeExecutablePath,
+                    ["--version"],
+                    o => o.WorkingDirectory(workingDirectory))
+                    .StandardOutput
+                    .ReadToEnd(),
+                Is.EqualTo(expectedVersion));
+        }
+
         [Test]
         [Obsolete("Tests obsolete code")]
         public async Task TestCustomCommandLineSyntaxIsUsed()

diff --git a/MedallionShell.sln b/MedallionShell.sln
@@ -1,15 +1,20 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.26430.6
+# Visual Studio Version 17
+VisualStudioVersion = 17.9.34902.65
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MedallionShell", "MedallionShell\MedallionShell.csproj", "{15AF2EC0-F7B2-4206-B92A-DD1F3DC25F30}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MedallionShell.Tests", "MedallionShell.Tests\MedallionShell.Tests.csproj", "{1B474A08-2A88-4FEA-A290-0555556C8229}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SampleCommand", "SampleCommand\SampleCommand.csproj", "{1F78EB31-414F-4C1E-893B-C281F6B4FFC0}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MedallionShell.ProcessSignaler", "MedallionShell.ProcessSignaler\MedallionShell.ProcessSignaler.csproj", "{63CEF80E-6E45-4CB2-9830-10ADDF44757A}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MedallionShell.ProcessSignaler", "MedallionShell.ProcessSignaler\MedallionShell.ProcessSignaler.csproj", "{63CEF80E-6E45-4CB2-9830-10ADDF44757A}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{0F0605C3-2439-444D-9033-40A95CC95922}"
+	ProjectSection(SolutionItems) = preProject
+		appveyor.yml = appveyor.yml
+	EndProjectSection
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

diff --git a/MedallionShell/Shell.cs b/MedallionShell/Shell.cs
@@ -4,6 +4,7 @@
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading;
@@ -38,10 +39,26 @@ public Command Run(string executable, IEnumerable<object>? arguments = null, Act
 
             var finalOptions = this.GetOptions(options);
 
+            var fullyQualifiedExecutablePath =
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1
+                Path.IsPathFullyQualified(executable)
+#else
+                IsPathFullyQualified(executable)
+#endif
+                ? executable
+                : Path.Combine(
+                    finalOptions.WorkingDirectoryPath
+#if NETSTANDARD1_3
+                        ?? Directory.GetCurrentDirectory(),
+#else
+                        ?? Environment.CurrentDirectory,
+#endif
+                    executable);
+
             var processStartInfo = new ProcessStartInfo
             {
                 CreateNoWindow = true,
-                FileName = executable,
+                FileName = fullyQualifiedExecutablePath,
                 RedirectStandardError = true,
                 RedirectStandardInput = true,
                 RedirectStandardOutput = true,
@@ -204,6 +221,7 @@ internal Options()
             internal TimeSpan ProcessTimeout { get; private set; }
             internal Encoding? ProcessStreamEncoding { get; private set; }
             internal CancellationToken ProcessCancellationToken { get; private set; }
+            internal string? WorkingDirectoryPath { get; private set; }
 
 #region ---- Builder methods ----
             /// <summary>
@@ -267,6 +285,7 @@ public Options Command(Func<Command, Command> initializer)
             /// </summary>.
             public Options WorkingDirectory(string path)
             {
+                this.WorkingDirectoryPath = path;
                 return this.StartInfo(psi => psi.WorkingDirectory = path);
             }
 
@@ -378,5 +397,14 @@ private static bool IsIgnorableAttachingException(Exception exception)
             return exception is ArgumentException // process has already exited or ID is invalid
                 || exception is InvalidOperationException; // process exited after its creation but before taking its handle
         }
+
+#if !NETCOREAPP2_1_OR_GREATER && !NETSTANDARD2_1
+        // Path.IsPathFullyQualified is defined only on .NET Core 2.1+, so use the code from https://stackoverflow.com/a/49883481
+        private static bool IsPathFullyQualified(string path)
+        {
+            var root = Path.GetPathRoot(path);
+            return root.StartsWith(@"\\") || (root.EndsWith(@"\") && root != @"\");
+        }
+#endif
     }
 }