refactor: tests

src/sdk.tests/Shared/Command.cs

@@ -0,0 +1,74 @@
+// Copyright (c) The Geekeey Authors
+// SPDX-License-Identifier: EUPL-1.2
+
+using System.Diagnostics;
+
+namespace Geekeey.Arcade.NET.Tests.Shared;
+
+internal sealed record Command(string WorkingDirectory, IEnumerable<KeyValuePair<string, string>> Environment)
+{
+	public bool ThrowOnExit { get; init; }
+
+	public static Command WithWorkingDirectory(string path)
+	{
+		return new Command(path, []);
+	}
+
+	public Command WithEnvironment(string name, string value)
+	{
+		return WithEnvironment([new KeyValuePair<string, string>(name, value)]);
+	}
+
+	public Command WithEnvironment(IEnumerable<KeyValuePair<string, string>> environment)
+	{
+		var env = new Dictionary<string, string>(Environment);
+
+		foreach (var pair in environment)
+		{
+			env[pair.Key] = pair.Value;
+		}
+
+		return this with { Environment = env };
+	}
+
+	public Command WithThrowOnExit()
+	{
+		return this with { ThrowOnExit = true };
+	}
+
+	public async Task<CommandOutput> RunAsync(string exe, params IReadOnlyList<string> args)
+	{
+		ArgumentNullException.ThrowIfNull(args);
+
+		var startInfo = new ProcessStartInfo(exe)
+		{
+			WorkingDirectory = WorkingDirectory,
+			RedirectStandardOutput = true,
+			RedirectStandardError = true,
+			UseShellExecute = false,
+			CreateNoWindow = true
+		};
+
+		foreach (var argument in args)
+		{
+			startInfo.ArgumentList.Add(argument);
+		}
+
+		foreach (var pair in Environment)
+		{
+			startInfo.Environment[pair.Key] = pair.Value;
+		}
+
+		var process = Process.Start(startInfo) ?? throw new InvalidOperationException("Could not start dotnet.");
+		var output = await process.StandardOutput.ReadToEndAsync();
+		var error = await process.StandardError.ReadToEndAsync();
+
+		await process.WaitForExitAsync();
+
+		_ = ThrowOnExit && process.ExitCode is not 0
+			? throw new InvalidOperationException($"'{exe}' exited with code {process.ExitCode}.{System.Environment.NewLine}{error}{output}")
+			: 0;
+
+		return new CommandOutput(output, error, process.ExitCode);
+	}
+}