diff --git a/spring-cloud-kubernetes-core/src/main/java/org/springframework/cloud/kubernetes/StandardPodUtils.java b/spring-cloud-kubernetes-core/src/main/java/org/springframework/cloud/kubernetes/StandardPodUtils.java index 87d6f551..0cbe7567 100644 --- a/spring-cloud-kubernetes-core/src/main/java/org/springframework/cloud/kubernetes/StandardPodUtils.java +++ b/spring-cloud-kubernetes-core/src/main/java/org/springframework/cloud/kubernetes/StandardPodUtils.java @@ -36,6 +36,10 @@ public class StandardPodUtils implements PodUtils { private Supplier current; public StandardPodUtils(KubernetesClient client) { + if (client == null) { + throw new IllegalArgumentException("Must provide an instance of KubernetesClient"); + } + this.client = client; this.hostName = System.getenv(HOSTNAME); this.current = LazilyInstantiate.using(() -> internalGetPod()); diff --git a/spring-cloud-kubernetes-core/src/test/java/org/springframework/cloud/kubernetes/StandardPodUtilsTest.java b/spring-cloud-kubernetes-core/src/test/java/org/springframework/cloud/kubernetes/StandardPodUtilsTest.java new file mode 100644 index 00000000..3c79b793 --- /dev/null +++ b/spring-cloud-kubernetes-core/src/test/java/org/springframework/cloud/kubernetes/StandardPodUtilsTest.java @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2016 to the original authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.springframework.cloud.kubernetes; + +import org.junit.Test; + +public class StandardPodUtilsTest { + + @Test(expected = IllegalArgumentException.class) + public void constructorThrowsIllegalArgumentExceptionWhenKubeClientNull() { + // expect an IllegalArgumentException if KubernetesClient argument is + // null + new StandardPodUtils(null); + } + +}