Testing JSON Utility Operations in Conductor-OSS
This test suite validates the JsonUtils class functionality in Conductor’s core module, focusing on JSON object expansion and type preservation across different data structures. The tests ensure reliable JSON parsing and manipulation capabilities essential for Conductor’s workflow processing.
Test Coverage Overview
Implementation Analysis
Technical Details
Best Practices Demonstrated
conductor-oss/conductor
core/src/test/java/com/netflix/conductor/core/utils/JsonUtilsTest.java
/*
* Copyright 2021 Conductor Authors.
* <p>
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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 com.netflix.conductor.core.utils;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import com.netflix.conductor.common.config.TestObjectMapperConfiguration;
import com.fasterxml.jackson.databind.ObjectMapper;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
@ContextConfiguration(classes = {TestObjectMapperConfiguration.class})
@RunWith(SpringRunner.class)
public class JsonUtilsTest {
private JsonUtils jsonUtils;
@Autowired private ObjectMapper objectMapper;
@Before
public void setup() {
jsonUtils = new JsonUtils(objectMapper);
}
@Test
public void testArray() {
List<Object> list = new LinkedList<>();
Map<String, Object> map = new HashMap<>();
map.put("externalId", "[{\"taskRefName\":\"t001\",\"workflowId\":\"w002\"}]");
map.put("name", "conductor");
map.put("version", 2);
list.add(map);
//noinspection unchecked
map = (Map<String, Object>) list.get(0);
assertTrue(map.get("externalId") instanceof String);
int before = list.size();
jsonUtils.expand(list);
assertEquals(before, list.size());
//noinspection unchecked
map = (Map<String, Object>) list.get(0);
assertTrue(map.get("externalId") instanceof ArrayList);
}
@Test
public void testMap() {
Map<String, Object> map = new HashMap<>();
map.put("externalId", "{\"taskRefName\":\"t001\",\"workflowId\":\"w002\"}");
map.put("name", "conductor");
map.put("version", 2);
assertTrue(map.get("externalId") instanceof String);
jsonUtils.expand(map);
assertTrue(map.get("externalId") instanceof LinkedHashMap);
}
@Test
public void testMultiLevelMap() {
Map<String, Object> parentMap = new HashMap<>();
parentMap.put("requestId", "abcde");
parentMap.put("status", "PROCESSED");
Map<String, Object> childMap = new HashMap<>();
childMap.put("path", "test/path");
childMap.put("type", "VIDEO");
Map<String, Object> grandChildMap = new HashMap<>();
grandChildMap.put("duration", "370");
grandChildMap.put("passed", "true");
childMap.put("metadata", grandChildMap);
parentMap.put("asset", childMap);
Object jsonObject = jsonUtils.expand(parentMap);
assertNotNull(jsonObject);
}
// This test verifies that the types of the elements in the input are maintained upon expanding
// the JSON object
@Test
public void testTypes() throws Exception {
String map =
"{\"requestId\":\"1375128656908832001\",\"workflowId\":\"fc147e1d-5408-4d41-b066-53cb2e551d0e\","
+ "\"inner\":{\"num\":42,\"status\":\"READY\"}}";
jsonUtils.expand(map);
Object jsonObject = jsonUtils.expand(map);
assertNotNull(jsonObject);
assertTrue(jsonObject instanceof LinkedHashMap);
assertTrue(((LinkedHashMap<?, ?>) jsonObject).get("requestId") instanceof String);
assertTrue(((LinkedHashMap<?, ?>) jsonObject).get("workflowId") instanceof String);
assertTrue(((LinkedHashMap<?, ?>) jsonObject).get("inner") instanceof LinkedHashMap);
assertTrue(
((LinkedHashMap<?, ?>) ((LinkedHashMap<?, ?>) jsonObject).get("inner")).get("num")
instanceof Integer);
assertTrue(
((LinkedHashMap<?, ?>) ((LinkedHashMap<?, ?>) jsonObject).get("inner"))
.get("status")
instanceof String);
}
}