test(disposing): fixing disposable problems in testing

Author: Christoph Bühler

src/KubeOps/Testing/KubernetesTestOperator.cs

@@ -13,7 +13,7 @@
 
 namespace KubeOps.Testing
 {
-    public class KubernetesTestOperator : KubernetesOperator
+    public class KubernetesTestOperator : KubernetesOperator, IDisposable
     {
         public KubernetesTestOperator(OperatorSettings settings)
             : base(settings)
@@ -37,6 +37,15 @@ public override Task<int> Run(string[] args)
             return Task.FromResult(0);
         }
 
+        public async void Dispose()
+        {
+            if (OperatorHost != null)
+            {
+                await OperatorHost.StopAsync();
+            }
+            OperatorHost?.Dispose();
+        }
+
         protected override void ConfigureOperatorServices()
         {
             ConfigureServices(

tests/KubeOps.TestOperator.Test/TestController.Test.cs

@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using System;
+using System.Threading.Tasks;
 using KubeOps.Testing;
 using KubeOps.TestOperator.Entities;
 using KubeOps.TestOperator.TestManager;
@@ -9,7 +10,7 @@
 
 namespace KubeOps.TestOperator.Test
 {
-    public class TestControllerTest
+    public class TestControllerTest: IDisposable
     {
         private readonly Mock<IManager> _mock = new Mock<IManager>();
 
@@ -82,5 +83,10 @@ public async Task Test_If_Manager_StatusModified_Is_Called()
             queue.StatusUpdated(new TestEntity());
             _mock.Verify(o => o.StatusModified(It.IsAny<TestEntity>()), Times.Once);
         }
+
+        public void Dispose()
+        {
+            _operator.Dispose();
+        }
     }
 }

tests/KubeOps.TestOperator.Test/TestFinalizer.Test.cs

@@ -1,4 +1,5 @@
-using System.Threading.Tasks;
+using System;
+using System.Threading.Tasks;
 using k8s.Models;
 using KubeOps.Testing;
 using KubeOps.TestOperator.Entities;
@@ -11,7 +12,7 @@
 
 namespace KubeOps.TestOperator.Test
 {
-    public class TestFinalizerTest
+    public class TestFinalizerTest : IDisposable
     {
         private readonly Mock<IManager> _mock = new Mock<IManager>();
 
@@ -47,5 +48,10 @@ public async Task Test_If_Manager_Finalized_Is_Called()
                 });
             _mock.Verify(o => o.Finalized(It.IsAny<TestEntity>()), Times.Once);
         }
+
+        public void Dispose()
+        {
+            _operator.Dispose();
+        }
     }
 }