Dotnet publish tests

test/Microsoft.DotNet.Tools.Tests.Utilities/TempFileSystem/TempRoot.cs

@@ -0,0 +1,72 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Runtime.CompilerServices;
+ 
+namespace Microsoft.DotNet.Tools.Test.Utilities
+{
+    public sealed class TempRoot : IDisposable
+    {
+        private readonly List<IDisposable> _temps = new List<IDisposable>();
+        public static readonly string Root;
+ 
+        static TempRoot()
+        {
+            Root = Path.Combine(Path.GetTempPath(), "DotnetCLITests");
+            Directory.CreateDirectory(Root);
+        }
+ 
+        public void Dispose()
+        {
+            if (_temps != null)
+            {
+                DisposeAll(_temps);
+                _temps.Clear();
+            }
+        }
+ 
+        private static void DisposeAll(IEnumerable<IDisposable> temps)
+        {
+            foreach (var temp in temps)
+            {
+                try
+                {
+                    if (temp != null)
+                    {
+                        temp.Dispose();
+                    }
+                }
+                catch
+                {
+                    // ignore
+                }
+            }
+        }
+ 
+        public TempDirectory CreateDirectory()
+        {
+            var dir = new DisposableDirectory(this);
+            _temps.Add(dir);
+            return dir;
+        }
+ 
+        public TempFile CreateFile(string prefix = null, string extension = null, string directory = null, [CallerFilePath]string callerSourcePath = null, [CallerLineNumber]int callerLineNumber = 0)
+        {
+            return AddFile(new DisposableFile(prefix, extension, directory, callerSourcePath, callerLineNumber));
+        }
+ 
+        public DisposableFile AddFile(DisposableFile file)
+        {
+            _temps.Add(file);
+            return file;
+        }
+ 
+        internal static void CreateStream(string fullPath)
+        {
+            using (var file = new FileStream(fullPath, FileMode.CreateNew)) { }
+        }
+    }
+}