Java tutorial
/* * Copyright 2016 Crown Copyright * * 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 gaffer.function; import com.fasterxml.jackson.annotation.JsonInclude; import com.fasterxml.jackson.databind.ObjectMapper; import java.io.IOException; import org.junit.Test; import static org.junit.Assert.assertNotNull; public abstract class ConsumerFunctionTest { private static final ObjectMapper MAPPER = createObjectMapper(); private static ObjectMapper createObjectMapper() { final ObjectMapper mapper = new ObjectMapper(); mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL); mapper.setSerializationInclusion(JsonInclude.Include.NON_DEFAULT); return mapper; } @Test public void shouldHaveInputsAnnotationWithAValue() { //Given final ConsumerFunction function = getInstance(); // When final Class<?>[] inputs = function.getInputClasses(); // Then assertNotNull(inputs); } protected abstract ConsumerFunction getInstance(); @Test public abstract void shouldJsonSerialiseAndDeserialise() throws IOException; protected abstract Class<? extends Function> getFunctionClass(); protected String serialise(Object object) throws IOException { return MAPPER.writeValueAsString(object); } protected Function deserialise(String json) throws IOException { return MAPPER.readValue(json, getFunctionClass()); } }