Java tutorial
/* * Copyright (C) 2016 Orange * * 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 * * 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 com.orange.ngsi2.model; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.datatype.jdk8.Jdk8Module; import org.junit.Test; import java.util.Collections; import java.util.Optional; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertTrue; /** * Test class of Error */ public class ErrorTest { @Test public void checkSerialization() throws JsonProcessingException { ObjectMapper objectMapper = new ObjectMapper().registerModule(new Jdk8Module()); Error parseError = new Error("400"); String json = objectMapper.writeValueAsString(parseError); assertTrue(json.contains("error")); assertFalse(json.contains("description")); assertFalse(json.contains("affectedItems")); } @Test public void checkSerializationComplete() throws JsonProcessingException { ObjectMapper objectMapper = new ObjectMapper().registerModule(new Jdk8Module()); Error parseError = new Error("400"); parseError.setDescription(Optional.of("The incoming JSON payload cannot be parsed")); parseError.setAffectedItems(Optional.of(Collections.singleton("entities"))); String json = objectMapper.writeValueAsString(parseError); assertTrue(json.contains("error")); assertTrue(json.contains("description")); assertTrue(json.contains("affectedItems")); } @Test public void checkToString() { Error parseError = new Error("400", Optional.of("The incoming JSON payload cannot be parsed"), Optional.empty()); assertEquals("error: 400 | description: The incoming JSON payload cannot be parsed | affectedItems: []", parseError.toString()); parseError.setAffectedItems(Optional.of(Collections.singleton("entities"))); assertEquals( "error: 400 | description: The incoming JSON payload cannot be parsed | affectedItems: [entities]", parseError.toString()); } }