1 files changed, 62 insertions, 0 deletions

diff --git a/src/wix/WixInternal.Core.TestPackage/WixRunnerResult.cs b/src/wix/WixInternal.Core.TestPackage/WixRunnerResult.cs
new file mode 100644
index 00000000..9e7fa2f0
--- /dev/null
+++ b/src/wix/WixInternal.Core.TestPackage/WixRunnerResult.cs
@@ -0,0 +1,62 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixInternal.Core.TestPackage
+{
+    using System;
+    using System.Collections.Generic;
+    using WixToolset.Data;
+    using Xunit;
+
+    /// <summary>
+    /// The result of an Execute method of <see cref="WixRunner"/>.
+    /// </summary>
+    public class WixRunnerResult
+    {
+        /// <summary>
+        /// ExitCode for the operation.
+        /// </summary>
+        public int ExitCode { get; set; }
+
+        /// <summary>
+        /// Messages from the operation.
+        /// </summary>
+        public Message[] Messages { get; set; }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <returns></returns>
+        public WixRunnerResult AssertSuccess()
+        {
+            AssertSuccess(this.ExitCode, this.Messages);
+            return this;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="exitCode"></param>
+        /// <param name="messages"></param>
+        public static void AssertSuccess(int exitCode, IEnumerable<Message> messages)
+        {
+            Assert.True(0 == exitCode, $"\r\n\r\nWixRunner failed with exit code: {exitCode}\r\n   Output: {String.Join("\r\n           ", FormatMessages(messages))}\r\n");
+        }
+
+        private static IEnumerable<string> FormatMessages(IEnumerable<Message> messages)
+        {
+            foreach (var message in messages)
+            {
+                var filename = message.SourceLineNumbers?.FileName ?? "TEST";
+                var line = message.SourceLineNumbers?.LineNumber ?? -1;
+                var type = message.Level.ToString().ToLowerInvariant();
+
+                if (line > 0)
+                {
+                    filename = String.Concat(filename, "(", line, ")");
+                }
+
+                yield return String.Format("{0} : {1} {2}{3:0000}: {4}", filename, type, "TEST", message.Id, message.ToString());
+            }
+        }
+    }
+}