1 files changed, 90 insertions, 0 deletions

diff --git a/src/WixTestTools/PackageInstaller.cs b/src/WixTestTools/PackageInstaller.cs
new file mode 100644
index 00000000..86376b9f
--- /dev/null
+++ b/src/WixTestTools/PackageInstaller.cs
@@ -0,0 +1,90 @@
+// 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 WixTestTools
+{
+    using System;
+    using System.IO;
+    using static WixTestTools.MSIExec;
+
+    public partial class PackageInstaller : IDisposable
+    {
+        public PackageInstaller(WixTestContext testContext, string filename)
+        {
+            this.Package = Path.Combine(testContext.TestDataFolder, $"{filename}.msi");
+            this.PackagePdb = Path.Combine(testContext.TestDataFolder, $"{filename}.wixpdb");
+            this.TestContext = testContext;
+        }
+
+        public string Package { get; }
+
+        private WixTestContext TestContext { get; }
+
+        public string TestGroupName => this.TestContext.TestGroupName;
+
+        public string TestName => this.TestContext.TestName;
+
+        /// <summary>
+        /// Installs a .msi file
+        /// </summary>
+        /// <param name="expectedExitCode">Expected exit code</param>
+        /// <param name="otherArguments">Other arguments to pass to MSIExec.</param>
+        /// <returns>MSIExec log File</returns>
+        public string InstallProduct(MSIExecReturnCode expectedExitCode = MSIExecReturnCode.SUCCESS, params string[] otherArguments)
+        {
+            return this.RunMSIExec(MSIExecMode.Install, otherArguments, expectedExitCode);
+        }
+
+        /// <summary>
+        /// Uninstalls a .msi file
+        /// </summary>
+        /// <param name="expectedExitCode">Expected exit code</param>
+        /// <param name="otherArguments">Other arguments to pass to MSIExec.</param>
+        /// <returns>MSIExec log File</returns>
+        public string UninstallProduct(MSIExecReturnCode expectedExitCode = MSIExecReturnCode.SUCCESS, params string[] otherArguments)
+        {
+            return this.RunMSIExec(MSIExecMode.Uninstall, otherArguments, expectedExitCode);
+        }
+
+        /// <summary>
+        /// Repairs a .msi file
+        /// </summary>
+        /// <param name="expectedExitCode">Expected exit code</param>
+        /// <param name="otherArguments">Other arguments to pass to msiexe.exe.</param>
+        /// <returns>MSIExec log File</returns>
+        public string RepairProduct(MSIExecReturnCode expectedExitCode = MSIExecReturnCode.SUCCESS, params string[] otherArguments)
+        {
+            return this.RunMSIExec(MSIExecMode.Repair, otherArguments, expectedExitCode);
+        }
+
+        /// <summary>
+        /// Executes MSIExec on a .msi file
+        /// </summary>
+        /// <param name="mode">Mode of execution for MSIExec</param>
+        /// <param name="otherArguments">Other arguments to pass to MSIExec.</param>
+        /// <param name="expectedExitCode">Expected exit code</param>
+        /// <returns>MSIExec exit code</returns>
+        private string RunMSIExec(MSIExecMode mode, string[] otherArguments, MSIExecReturnCode expectedExitCode, bool assertOnError = true)
+        {
+            // Generate the log file name.
+            var logFile = Path.Combine(Path.GetTempPath(), String.Format("{0}_{1}_{2:yyyyMMddhhmmss}_{4}_{3}.log", this.TestGroupName, this.TestName, DateTime.UtcNow, Path.GetFileNameWithoutExtension(this.Package), mode));
+
+            var msiexec = new MSIExec
+            {
+                Product = this.Package,
+                ExecutionMode = mode,
+                OtherArguments = null != otherArguments ? String.Join(" ", otherArguments) : null,
+                ExpectedExitCode = expectedExitCode,
+                LogFile = logFile,
+            };
+
+            msiexec.Run(assertOnError);
+            return msiexec.LogFile;
+        }
+
+        public void Dispose()
+        {
+            string[] args = { "IGNOREDEPENDENCIES=ALL", "WIXFAILWHENDEFERRED=0" };
+            this.RunMSIExec(MSIExecMode.Cleanup, args, MSIExecReturnCode.SUCCESS, assertOnError: false);
+        }
+    }
+}