1 files changed, 40 insertions, 0 deletions

diff --git a/src/internal/WixBuildTools.TestSupport/XunitExtensions/SkippableFactMessageBus.cs b/src/internal/WixBuildTools.TestSupport/XunitExtensions/SkippableFactMessageBus.cs
new file mode 100644
index 00000000..6d01889e
--- /dev/null
+++ b/src/internal/WixBuildTools.TestSupport/XunitExtensions/SkippableFactMessageBus.cs
@@ -0,0 +1,40 @@
+// 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 WixBuildTools.TestSupport.XunitExtensions
+{
+    using System.Linq;
+    using Xunit.Abstractions;
+    using Xunit.Sdk;
+
+    public class SkippableFactMessageBus : IMessageBus
+    {
+        private IMessageBus InnerBus { get; }
+
+        public SkippableFactMessageBus(IMessageBus innerBus)
+        {
+            this.InnerBus = innerBus;
+        }
+
+        public int DynamicallySkippedTestCount { get; private set; }
+
+        public void Dispose()
+        {
+        }
+
+        public bool QueueMessage(IMessageSinkMessage message)
+        {
+            if (message is ITestFailed testFailed)
+            {
+                var exceptionType = testFailed.ExceptionTypes.FirstOrDefault();
+                if (exceptionType == typeof(SkipTestException).FullName)
+                {
+                    ++this.DynamicallySkippedTestCount;
+                    return this.InnerBus.QueueMessage(new TestSkipped(testFailed.Test, testFailed.Messages.FirstOrDefault()));
+                }
+            }
+
+            // Nothing we care about, send it on its way
+            return this.InnerBus.QueueMessage(message);
+        }
+    }
+}