Extend tests for extensions throwing exceptions while loading

Author: rowo360

src/testcentric.extensibility.fakes/FailingTestCentricExtensions.cs

@@ -0,0 +1,24 @@
+// ***********************************************************************
+// Copyright (c) Charlie Poole and TestCentric contributors.
+// Licensed under the MIT License. See LICENSE file in root directory.
+// ***********************************************************************
+
+using System;
+using TestCentric.Extensibility;
+
+namespace TestCentric.Engine.Extensibility
+{
+    [Extension(Enabled = true)]
+    public class FailingTestEventListener : ITestEventListener
+    {
+        public FailingTestEventListener()
+        {
+            throw new InvalidOperationException();
+        }
+
+        public void OnTestEvent(string text)
+        {
+            throw new System.NotImplementedException();
+        }
+    }
+}

src/testcentric.extensibility.tests/ExtensionManagerTestBase.cs

@@ -129,7 +129,8 @@ class ThisIsNotAnExtensionPoint { }
         static string[] KnownExtensionTypeNames = new[] {
             "TestCentric.Engine.Extensibility.FakeAgentLauncher",
             "TestCentric.Engine.Extensibility.FakeTestEventListener",
-            "NUnit.Engine.Extensibility.FakeProjectLoader"
+            "NUnit.Engine.Extensibility.FakeProjectLoader",
+            "TestCentric.Engine.Extensibility.FailingTestEventListener"
         };
 
         [Test]

src/testcentric.extensibility.tests/ExtensionManager_NewApi.cs

@@ -4,10 +4,9 @@
 // ***********************************************************************
 
 using NUnit.Framework;
-using System;
-using System.Collections.Generic;
 using System.Linq;
-using System.Text;
+using System.Reflection;
+using TestCentric.Engine;
 
 namespace TestCentric.Extensibility
 {
@@ -37,5 +36,11 @@ public void CreateManager()
             ExtensionManager.FindExtensions(THIS_ASSEMBLY_DIRECTORY);
             Assert.That(ExtensionManager.Extensions.Count, Is.GreaterThan(0), "No Extensions were found");
         }
+
+        [Test]
+        public void GetExtensions_ExtensionThrowsExceptiongWhileLoading()
+        {
+            Assert.Throws<TargetInvocationException>(() => ExtensionManager.GetExtensions<ITestEventListener>().ToList());
+        }
     }
 }