Fix 1661 (#1662)

spring-cloud-kubernetes-commons/src/main/java/org/springframework/cloud/kubernetes/commons/leader/LeaderProperties.java

@@ -106,7 +106,7 @@ public class LeaderProperties {
 	}
 
 	public String getNamespace(String defaultValue) {
-		if (!StringUtils.hasText(defaultValue)) {
+		if (!StringUtils.hasText(namespace)) {
 			return defaultValue;
 		}
 

spring-cloud-kubernetes-commons/src/test/java/org/springframework/cloud/kubernetes/commons/leader/LeaderPropertiesTests.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2013-2024 the original author or 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
+ *
+ *      https://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.commons.leader;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+/**
+ * @author wind57
+ */
+class LeaderPropertiesTests {
+
+	@Test
+	void getNamespaceNull() {
+		LeaderProperties leaderProperties = new LeaderProperties();
+		String namespace = leaderProperties.getNamespace("a");
+		Assertions.assertEquals("a", namespace);
+	}
+
+	@Test
+	void getNamespaceEmpty() {
+		LeaderProperties leaderProperties = new LeaderProperties();
+		leaderProperties.setNamespace("");
+		String namespace = leaderProperties.getNamespace("a");
+		Assertions.assertEquals("a", namespace);
+	}
+
+	@Test
+	void getNamespacePresent() {
+		LeaderProperties leaderProperties = new LeaderProperties();
+		leaderProperties.setNamespace("c");
+		String namespace = leaderProperties.getNamespace("a");
+		Assertions.assertEquals("c", namespace);
+	}
+
+}