chore: test getFirstTypeArgumentFromInterface

Author: metacosm

operator-framework-core/src/test/java/io/javaoperatorsdk/operator/api/config/UtilsTest.java

@@ -1,14 +1,21 @@
 package io.javaoperatorsdk.operator.api.config;
 
+import java.util.Optional;
+
 import org.junit.jupiter.api.Test;
 
 import io.fabric8.kubernetes.api.model.apps.Deployment;
 import io.javaoperatorsdk.operator.api.reconciler.Context;
+import io.javaoperatorsdk.operator.api.reconciler.dependent.DependentResource;
+import io.javaoperatorsdk.operator.api.reconciler.dependent.ReconcileResult;
 import io.javaoperatorsdk.operator.processing.dependent.kubernetes.KubernetesDependentResource;
 import io.javaoperatorsdk.operator.sample.simple.TestCustomResource;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 class UtilsTest {
 
@@ -75,12 +82,32 @@ void getsFirstTypeArgumentFromExtendedClass() {
     assertThat(res).isEqualTo(Deployment.class);
   }
 
-  public static class TestKubernetesDependentResource
-      extends KubernetesDependentResource<Deployment, TestCustomResource> {
+  @Test
+  void getsFirstTypeArgumentFromInterface() {
+    assertThat(Utils.getFirstTypeArgumentFromInterface(TestDependentResource.class))
+        .isEqualTo(Deployment.class);
+  }
+
+  public static class TestDependentResource
+      implements DependentResource<Deployment, TestCustomResource> {
 
     @Override
-    protected Deployment desired(TestCustomResource primary, Context<TestCustomResource> context) {
+    public ReconcileResult<Deployment> reconcile(TestCustomResource primary,
+        Context<TestCustomResource> context) {
       return null;
     }
+
+    @Override
+    public Optional<Deployment> getResource(TestCustomResource primaryResource) {
+      return Optional.empty();
+    }
+  }
+
+  public static class TestKubernetesDependentResource
+      extends KubernetesDependentResource<Deployment, TestCustomResource> {
+
+    public TestKubernetesDependentResource() {
+      super(Deployment.class);
+    }
   }
 }