seung-00 commented on code in PR #4790: URL: https://github.com/apache/zeppelin/pull/4790#discussion_r1722137217
########## zeppelin-interpreter/src/test/java/org/apache/zeppelin/interpreter/RemoteZeppelinServerResourceTest.java: ########## @@ -0,0 +1,150 @@ +/* + * 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.zeppelin.interpreter; + +import org.junit.jupiter.api.Test; + +import java.util.Map; +import java.util.TreeMap; +import java.util.UUID; + +import static org.apache.zeppelin.interpreter.RemoteZeppelinServerResource.Type.PARAGRAPH_RUNNERS; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNull; + +class RemoteZeppelinServerResourceTest { + + @Test + void toJson() { + // Given + RemoteZeppelinServerResource original = new RemoteZeppelinServerResource(); + original.setOwnerKey(UUID.randomUUID().toString()); + original.setData(mapOf("key1", "value", "key2", "value2")); + original.setResourceType(PARAGRAPH_RUNNERS); + + // First, let's check the serializedJson serialization + String serializedJSON = original.toJson(); + assertEquals(a2q("{" + + "'ownerKey':'" + original.getOwnerKey() + "'," + + "'resourceType':'PARAGRAPH_RUNNERS'," + + "'data':{'key1':'value','key2':'value2'}" + + "}"), serializedJSON); + + // Now, let's check the serializedJson deserialization + RemoteZeppelinServerResource deserialized = RemoteZeppelinServerResource.fromJson(serializedJSON); + assertEquals(original.getOwnerKey(), deserialized.getOwnerKey()); + assertEquals(original.getResourceType(), deserialized.getResourceType()); + assertEquals(original.getData(), deserialized.getData()); + } + + @Test + void fromJson_withInvalidResourceType() { + String invalidJson = a2q("{" + + "'ownerKey':'1234'," + + "'resourceType':'INVALID_TYPE'," + + "'data':{'key1':'value','key2':'value2'}" + + "}"); + + RemoteZeppelinServerResource deserialized = RemoteZeppelinServerResource.fromJson(invalidJson); + // Deserialization is successful and type is null + assertNull(deserialized.getResourceType()); + // Owner key and data are deserialized correctly + assertEquals("1234", deserialized.getOwnerKey()); + assertEquals(mapOf("key1", "value", "key2", "value2"), deserialized.getData()); + } + + @Test + void fromJson_withNothing() { + // When only the empty JSON object is provided, + RemoteZeppelinServerResource deserialized = RemoteZeppelinServerResource.fromJson("{}"); + + // Then, all fields should be null + assertNull(deserialized.getOwnerKey()); + assertNull(deserialized.getResourceType()); + assertNull(deserialized.getData()); + } + + @Test + void fromJson_withNullFields() { + String jsonWithNullFields = a2q("{" + + "'ownerKey':null," + + "'resourceType':null," + + "'data':null" + + "}"); + + RemoteZeppelinServerResource deserialized = RemoteZeppelinServerResource.fromJson(jsonWithNullFields); + assertNull(deserialized.getOwnerKey()); + assertNull(deserialized.getResourceType()); + assertNull(deserialized.getData()); + } + + @Test + void toJson_withEmptyData() { + RemoteZeppelinServerResource original = new RemoteZeppelinServerResource(); + original.setOwnerKey(""); + original.setData(new TreeMap<>()); + original.setResourceType(PARAGRAPH_RUNNERS); + + String serializedJSON = original.toJson(); + assertEquals(a2q("{" + + "'ownerKey':''," + + "'resourceType':'PARAGRAPH_RUNNERS'," + + "'data':{}" + + "}"), serializedJSON); + + RemoteZeppelinServerResource deserialized = RemoteZeppelinServerResource.fromJson(serializedJSON); + assertEquals(original.getOwnerKey(), deserialized.getOwnerKey()); + assertEquals(original.getResourceType(), deserialized.getResourceType()); + assertEquals(original.getData(), deserialized.getData()); + } + + @Test + void fromJson_withLargeDataSet() { + Map<String, String> largeData = new TreeMap<>(); + for (int i = 0; i < 1000; i++) { + largeData.put("key" + i, "value" + i); + } + + RemoteZeppelinServerResource original = new RemoteZeppelinServerResource(); + original.setOwnerKey(UUID.randomUUID().toString()); + original.setData(largeData); + original.setResourceType(PARAGRAPH_RUNNERS); + + String serializedJSON = original.toJson(); + RemoteZeppelinServerResource deserialized = RemoteZeppelinServerResource.fromJson(serializedJSON); + + assertEquals(original.getOwnerKey(), deserialized.getOwnerKey()); + assertEquals(original.getResourceType(), deserialized.getResourceType()); + assertEquals(original.getData(), deserialized.getData()); + } + + private Map<String, String> mapOf( + String key, String value, + String key2, String value2 + ) { + // TreeMap to ensure serialization order Review Comment: The ClusterMessageSerDeserTest uses a HashMap. 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