RANGER-5589:Add unit test cases for plugin-kudu Module

plugin-kudu/pom.xml

@@ -62,6 +62,13 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
+            <version>${mockito.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-junit-jupiter</artifactId>
+            <version>${mockito.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>

plugin-kudu/src/test/java/org/apache/ranger/services/kudu/TestRangerServiceKudu.java

@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.ranger.services.kudu;
+
+import org.apache.ranger.plugin.service.ResourceLookupContext;
+import org.junit.jupiter.api.MethodOrderer;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestMethodOrder;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.util.HashMap;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNotSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/**
+ * @generated by Cursor
+ * @description : Unit Test cases for RangerServiceKudu
+ */
+@ExtendWith(MockitoExtension.class)
+@TestMethodOrder(MethodOrderer.MethodName.class)
+class TestRangerServiceKudu {
+    @Mock
+    private ResourceLookupContext resourceLookupContext;
+
+    @Test
+    void testLookupResource_negative_nullContextReturnsEmptyList() throws Exception {
+        RangerServiceKudu subject = new RangerServiceKudu();
+
+        List<String> result = subject.lookupResource(null);
+
+        assertNotNull(result);
+        assertTrue(result.isEmpty());
+    }
+
+    @Test
+    void testLookupResource_positive_nonNullContextReturnsEmptyList() throws Exception {
+        RangerServiceKudu subject = new RangerServiceKudu();
+
+        List<String> result = subject.lookupResource(resourceLookupContext);
+
+        assertNotNull(result);
+        assertTrue(result.isEmpty());
+    }
+
+    @Test
+    void testValidateConfig_negative_distinctInstancePerCall() throws Exception {
+        RangerServiceKudu subject = new RangerServiceKudu();
+
+        HashMap<String, Object> first = subject.validateConfig();
+        HashMap<String, Object> second = subject.validateConfig();
+
+        assertNotNull(first);
+        assertNotNull(second);
+        assertNotSame(second, first);
+    }
+
+    @Test
+    void testValidateConfig_positive_returnsNonNullEmptyMap() throws Exception {
+        RangerServiceKudu subject = new RangerServiceKudu();
+
+        HashMap<String, Object> result = subject.validateConfig();
+
+        assertNotNull(result);
+        assertTrue(result.isEmpty());
+    }
+}