1 files changed, 101 insertions, 0 deletions

diff --git a/src/internal/WixInternal.TestSupport/MsbuildUtilities.cs b/src/internal/WixInternal.TestSupport/MsbuildUtilities.cs
new file mode 100644
index 00000000..5560f993
--- /dev/null
+++ b/src/internal/WixInternal.TestSupport/MsbuildUtilities.cs
@@ -0,0 +1,101 @@
+// 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 WixToolsetTest.Sdk
+{
+    using System;
+    using System.Collections.Generic;
+    using System.IO;
+    using System.Linq;
+    using WixInternal.TestSupport;
+
+    public enum BuildSystem
+    {
+        DotNetCoreSdk,
+        MSBuild,
+        MSBuild64,
+    }
+
+    public static class MsbuildUtilities
+    {
+        public static MsbuildRunnerResult BuildProject(BuildSystem buildSystem, string projectPath, string[] arguments = null, string configuration = "Release", string verbosityLevel = "normal", bool suppressValidation = true)
+        {
+            var allArgs = new List<string>
+            {
+                $"-verbosity:{verbosityLevel}",
+                $"-p:Configuration={configuration}",
+                $"-p:SuppressValidation={suppressValidation}",
+                // Node reuse means that child msbuild processes can stay around after the build completes.
+                // Under that scenario, the root msbuild does not reliably close its streams which causes us to hang.
+                "-nr:false",
+                $"-bl:{Path.ChangeExtension(projectPath, ".binlog")}"
+            };
+
+            if (arguments != null)
+            {
+                allArgs.AddRange(arguments);
+            }
+
+            switch (buildSystem)
+            {
+                case BuildSystem.DotNetCoreSdk:
+                    {
+                        allArgs.Add(projectPath);
+                        var result = DotnetRunner.Execute("msbuild", allArgs.ToArray());
+                        return new MsbuildRunnerResult
+                        {
+                            ExitCode = result.ExitCode,
+                            Output = result.StandardOutput,
+                        };
+                    }
+                case BuildSystem.MSBuild:
+                case BuildSystem.MSBuild64:
+                    {
+                        return MsbuildRunner.Execute(projectPath, allArgs.ToArray(), buildSystem == BuildSystem.MSBuild64);
+                    }
+                default:
+                    {
+                        throw new NotImplementedException();
+                    }
+            }
+        }
+
+        public static string GetQuotedPropertySwitch(BuildSystem buildSystem, string propertyName, string valueToQuote)
+        {
+            switch (buildSystem)
+            {
+                case BuildSystem.DotNetCoreSdk:
+                    {
+                        // If the value ends with a backslash, double-escape it (it should end up with four backslashes).
+                        if (valueToQuote?.EndsWith("\\") == true)
+                        {
+                            valueToQuote += @"\\\";
+                        }
+
+                        return $"-p:{propertyName}=\\\"{valueToQuote}\\\"";
+                    }
+                case BuildSystem.MSBuild:
+                case BuildSystem.MSBuild64:
+                    {
+                        // If the value ends with a backslash, escape it.
+                        if (valueToQuote?.EndsWith("\\") == true)
+                        {
+                            valueToQuote += @"\";
+                        }
+
+                        return $"-p:{propertyName}=\"{valueToQuote}\"";
+                    }
+                default:
+                    {
+                        throw new NotImplementedException();
+                    }
+            }
+        }
+
+        public static IEnumerable<string> GetToolCommandLines(MsbuildRunnerResult result, string toolName, string operation, BuildSystem buildSystem)
+        {
+            var expectedToolExe = buildSystem == BuildSystem.DotNetCoreSdk ? $"{toolName}.dll\"" : $"{toolName}.exe";
+            var expectedToolCommand = $"{expectedToolExe} {operation}";
+            return result.Output.Where(line => line.Contains(expectedToolCommand));
+        }
+    }
+}