part #2

src/__Tests/interop/StellaOps.Interop.Tests/ToolManagerTests.RunAsync.cs

@@ -0,0 +1,62 @@
+using FluentAssertions;
+using StellaOps.Interop;
+using Xunit;
+using Xunit.Sdk;
+
+namespace StellaOps.Interop.Tests;
+
+public sealed partial class ToolManagerTests
+{
+    [Fact]
+    public async Task RunAsync_ReturnsFailure_WhenToolMissingAsync()
+    {
+        var workDir = CreateTempDirectory();
+        try
+        {
+            var manager = new ToolManager(workDir);
+
+            var result = await manager.RunAsync("missing-tool", "--version", CancellationToken.None);
+
+            result.Success.Should().BeFalse();
+            result.Error.Should().Contain("Tool not found");
+            result.ExitCode.Should().Be(-1);
+        }
+        finally
+        {
+            DeleteDirectory(workDir);
+        }
+    }
+
+    [Fact]
+    public async Task RunAsync_ReturnsSuccess_WhenShellExecutesScriptAsync()
+    {
+        var workDir = CreateTempDirectory();
+        try
+        {
+            var scriptPath = WriteShellScript(workDir);
+            var shellPath = ResolveShellPath();
+
+            if (string.IsNullOrWhiteSpace(shellPath) || !File.Exists(shellPath))
+                throw SkipException.ForSkip("Shell not available for interop tool test.");
+
+            var toolPaths = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
+            {
+                ["shell"] = shellPath
+            };
+
+            var args = OperatingSystem.IsWindows()
+                ? $"/c \"{scriptPath}\""
+                : $"\"{scriptPath}\"";
+
+            var manager = new ToolManager(workDir, toolPaths);
+            var result = await manager.RunAsync("shell", args, CancellationToken.None);
+
+            result.Success.Should().BeTrue();
+            result.StdOut.Should().Contain("ok");
+        }
+        finally
+        {
+            DeleteDirectory(workDir);
+        }
+    }
+}