test: add unit tests for cluster raft processor

Add tests for:
- PutNodeMetadataRequest: constructor and getters/setters
- PutNodeMetadataResponse: constructor, getters/setters, and toString
- PutNodeInfoRequestProcessor: constructor and interest method

Total: 3 new test files with 11 test methods

Author: claude

server/src/test/java/org/apache/seata/server/cluster/raft/processor/PutNodeInfoRequestProcessorTest.java

@@ -0,0 +1,40 @@
+/*
+ * 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.seata.server.cluster.raft.processor;
+
+import org.apache.seata.server.cluster.raft.processor.request.PutNodeMetadataRequest;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class PutNodeInfoRequestProcessorTest {
+
+    @Test
+    public void testConstructor() {
+        PutNodeInfoRequestProcessor processor = new PutNodeInfoRequestProcessor();
+        assertNotNull(processor);
+    }
+
+    @Test
+    public void testInterest() {
+        PutNodeInfoRequestProcessor processor = new PutNodeInfoRequestProcessor();
+        String interest = processor.interest();
+
+        assertNotNull(interest);
+        assertEquals(PutNodeMetadataRequest.class.getName(), interest);
+    }
+}

server/src/test/java/org/apache/seata/server/cluster/raft/processor/request/PutNodeMetadataRequestTest.java

@@ -0,0 +1,60 @@
+/*
+ * 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.seata.server.cluster.raft.processor.request;
+
+import org.apache.seata.common.metadata.Node;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class PutNodeMetadataRequestTest {
+
+    @Test
+    public void testDefaultConstructor() {
+        PutNodeMetadataRequest request = new PutNodeMetadataRequest();
+        assertNotNull(request);
+        assertNull(request.getNode());
+    }
+
+    @Test
+    public void testConstructorWithNode() {
+        Node node = new Node();
+        PutNodeMetadataRequest request = new PutNodeMetadataRequest(node);
+
+        assertNotNull(request);
+        assertEquals(node, request.getNode());
+    }
+
+    @Test
+    public void testSetAndGetNode() {
+        PutNodeMetadataRequest request = new PutNodeMetadataRequest();
+        Node node = new Node();
+        request.setNode(node);
+
+        assertEquals(node, request.getNode());
+    }
+
+    @Test
+    public void testSetNodeToNull() {
+        Node node = new Node();
+        PutNodeMetadataRequest request = new PutNodeMetadataRequest(node);
+        assertNotNull(request.getNode());
+
+        request.setNode(null);
+        assertNull(request.getNode());
+    }
+}

server/src/test/java/org/apache/seata/server/cluster/raft/processor/response/PutNodeMetadataResponseTest.java

@@ -0,0 +1,65 @@
+/*
+ * 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.seata.server.cluster.raft.processor.response;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class PutNodeMetadataResponseTest {
+
+    @Test
+    public void testConstructorWithTrue() {
+        PutNodeMetadataResponse response = new PutNodeMetadataResponse(true);
+        assertTrue(response.isSuccess());
+    }
+
+    @Test
+    public void testConstructorWithFalse() {
+        PutNodeMetadataResponse response = new PutNodeMetadataResponse(false);
+        assertFalse(response.isSuccess());
+    }
+
+    @Test
+    public void testSetSuccess() {
+        PutNodeMetadataResponse response = new PutNodeMetadataResponse(false);
+        assertFalse(response.isSuccess());
+
+        response.setSuccess(true);
+        assertTrue(response.isSuccess());
+    }
+
+    @Test
+    public void testToString() {
+        PutNodeMetadataResponse response = new PutNodeMetadataResponse(true);
+        String str = response.toString();
+
+        assertNotNull(str);
+        assertTrue(str.contains("success"));
+        assertTrue(str.contains("true"));
+    }
+
+    @Test
+    public void testToStringWithFalse() {
+        PutNodeMetadataResponse response = new PutNodeMetadataResponse(false);
+        String str = response.toString();
+
+        assertNotNull(str);
+        assertTrue(str.contains("success"));
+        assertTrue(str.contains("false"));
+    }
+}