Today even if classInit wasnt called we used to call class cleanup. f…

src/Adapter/MSTest.CoreAdapter/Execution/TestClassInfo.cs

@@ -103,7 +103,7 @@ internal set
         }
 
         /// <summary>
-        /// Gets a value indicating whether is class initialize executed.
+        /// Gets a value indicating whether class initialize has executed.
         /// </summary>
         public bool IsClassInitializeExecuted { get; internal set; }
 
@@ -306,7 +306,7 @@ public string RunClassCleanup()
                 return null;
             }
 
-            lock (this.testClassExecuteSyncObject)
+            if (this.IsClassInitializeExecuted || this.ClassInitializeMethod == null)
             {
                 try
                 {
@@ -340,6 +340,8 @@ public string RunClassCleanup()
                         StackTraceHelper.GetStackTraceInformation(realException)?.ErrorStackTrace);
                 }
             }
+
+            return null;
         }
     }
 }

test/UnitTests/MSTest.CoreAdapter.Unit.Tests/Execution/TestClassInfoTests.cs

@@ -111,6 +111,37 @@ public void TestClassInfoClassCleanupMethodSetShouldThrowForMultipleClassCleanup
             ActionUtility.ActionShouldThrowExceptionOfType(action, typeof(TypeInspectionException));
         }
 
+        [TestMethod]
+        public void TestClassInfoClassCleanupMethodShouldNotInvokeWhenNoTestClassInitializedIsCalled()
+        {
+            var classcleanupCallCount = 0;
+            DummyTestClass.ClassCleanupMethodBody = () => classcleanupCallCount++;
+
+            this.testClassInfo.ClassCleanupMethod = typeof(DummyTestClass).GetMethod("ClassCleanupMethod");
+            this.testClassInfo.ClassInitializeMethod = typeof(DummyTestClass).GetMethod("ClassInitializeMethod");
+
+            var ret = this.testClassInfo.RunClassCleanup(); // call cleanup without calling init
+
+            Assert.AreEqual(null, ret);
+            Assert.AreEqual(0, classcleanupCallCount);
+        }
+
+        [TestMethod]
+        public void TestClassInfoClassCleanupMethodShouldInvokeWhenTestClassInitializedIsCalled()
+        {
+            var classcleanupCallCount = 0;
+            DummyTestClass.ClassCleanupMethodBody = () => classcleanupCallCount++;
+
+            this.testClassInfo.ClassCleanupMethod = typeof(DummyTestClass).GetMethod("ClassCleanupMethod");
+            this.testClassInfo.ClassInitializeMethod = typeof(DummyTestClass).GetMethod("ClassInitializeMethod");
+
+            this.testClassInfo.RunClassInitialize(this.testContext);
+            var ret = this.testClassInfo.RunClassCleanup(); // call cleanup without calling init
+
+            Assert.AreEqual(null, ret);
+            Assert.AreEqual(1, classcleanupCallCount);
+        }
+
         [TestMethod]
         public void TestClassInfoHasExecutableCleanupMethodShouldReturnFalseIfClassDoesNotHaveCleanupMethod()
         {
@@ -275,6 +306,16 @@ public void RunClassInitializeShouldThrowForAlreadyExecutedTestClassInitWithExce
                 exception.Message);
         }
 
+        [TestMethod]
+        public void RunClassCleanupShouldInvokeIfClassCleanupMethod()
+        {
+           var classcleanupCallCount = 0;
+            DummyTestClass.ClassCleanupMethodBody = () => classcleanupCallCount++;
+            this.testClassInfo.ClassCleanupMethod = typeof(DummyTestClass).GetMethod("ClassCleanupMethod");
+            Assert.IsNull(this.testClassInfo.RunClassCleanup());
+            Assert.AreEqual(1, classcleanupCallCount);
+        }
+
         [TestMethod]
         public void RunAssemblyInitializeShouldPassOnTheTestContextToAssemblyInitMethod()
         {
@@ -300,24 +341,13 @@ public void RunClassCleanupShouldNotInvokeIfClassCleanupIsNull()
             Assert.AreEqual(0, classcleanupCallCount);
         }
 
-        [TestMethod]
-        public void RunClassCleanupShouldInvokeIfClassCleanupMethod()
-        {
-            var classcleanupCallCount = 0;
-            DummyTestClass.ClassCleanupMethodBody = () => classcleanupCallCount++;
-
-            this.testClassInfo.ClassCleanupMethod = typeof(DummyTestClass).GetMethod("ClassCleanupMethod");
-
-            Assert.IsNull(this.testClassInfo.RunClassCleanup());
-            Assert.AreEqual(1, classcleanupCallCount);
-        }
-
         [TestMethod]
         public void RunClassCleanupShouldReturnAssertFailureExceptionDetails()
         {
             DummyTestClass.ClassCleanupMethodBody = () => UTF.Assert.Fail("Test Failure.");
 
             this.testClassInfo.ClassCleanupMethod = typeof(DummyTestClass).GetMethod("ClassCleanupMethod");
+
             StringAssert.StartsWith(
                 this.testClassInfo.RunClassCleanup(),
                 "Class Cleanup method DummyTestClass.ClassCleanupMethod failed. Error Message: Assert.Fail failed. Test Failure.. Stack Trace:    at Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution.TestClassInfoTests.<>c.<RunClassCleanupShouldReturnAssertFailureExceptionDetails>");

test/UnitTests/MSTest.CoreAdapter.Unit.Tests/Execution/UnitTestRunnerTests.cs

@@ -14,7 +14,6 @@ namespace Microsoft.VisualStudio.TestPlatform.MSTestAdapter.UnitTests.Execution
     using System.Reflection;
     using System.Text;
     using System.Xml;
-
     using global::MSTestAdapter.TestUtilities;
     using Microsoft.VisualStudio.TestPlatform.MSTest.TestAdapter;
     using Microsoft.VisualStudio.TestPlatform.MSTest.TestAdapter.Execution;