Java tutorial
/* * Copyright 2013-2015 the original author or authors. * * 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 org.springframework.data.rest.webmvc.config; import static org.hamcrest.Matchers.*; import static org.junit.Assert.*; import java.util.Collection; import java.util.Date; import java.util.List; import java.util.Locale; import org.junit.AfterClass; import org.junit.BeforeClass; import org.junit.Test; import org.springframework.beans.factory.NoSuchBeanDefinitionException; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.AnnotationConfigApplicationContext; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Import; import org.springframework.context.support.AbstractApplicationContext; import org.springframework.context.support.MessageSourceAccessor; import org.springframework.core.convert.ConversionService; import org.springframework.data.domain.PageRequest; import org.springframework.data.domain.Sort.Direction; import org.springframework.data.geo.Distance; import org.springframework.data.geo.Point; import org.springframework.data.rest.core.config.RepositoryRestConfiguration; import org.springframework.data.rest.webmvc.RepositoryLinksResource; import org.springframework.data.rest.webmvc.RestMediaTypes; import org.springframework.data.rest.webmvc.alps.AlpsJsonHttpMessageConverter; import org.springframework.data.rest.webmvc.json.PersistentEntityJackson2Module; import org.springframework.data.web.HateoasPageableHandlerMethodArgumentResolver; import org.springframework.data.web.PageableHandlerMethodArgumentResolver; import org.springframework.format.annotation.DateTimeFormat.ISO; import org.springframework.format.datetime.DateFormatter; import org.springframework.hateoas.LinkDiscoverers; import org.springframework.hateoas.MediaTypes; import org.springframework.hateoas.core.DefaultRelProvider; import org.springframework.hateoas.mvc.TypeConstrainedMappingJackson2HttpMessageConverter; import org.springframework.http.converter.HttpMessageConverter; import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter; import org.springframework.test.util.ReflectionTestUtils; import org.springframework.util.MultiValueMap; import org.springframework.web.util.UriComponentsBuilder; import com.fasterxml.jackson.databind.ObjectMapper; import com.jayway.jsonpath.JsonPath; /** * Integration tests for basic application bootstrapping (general configuration related checks). * * @author Oliver Gierke */ public class RepositoryRestMvConfigurationIntegrationTests { static AbstractApplicationContext context; @BeforeClass public static void setUp() { context = new AnnotationConfigApplicationContext(ExtendingConfiguration.class); } @AfterClass public static void tearDown() { if (context != null) { context.close(); } } /** * @see DATAREST-210 */ @Test public void assertEnableHypermediaSupportWorkingCorrectly() { assertThat(context.getBean("entityLinksPluginRegistry"), is(notNullValue())); assertThat(context.getBean(LinkDiscoverers.class), is(notNullValue())); } @Test public void assertBeansBeingSetUp() throws Exception { context.getBean(PageableHandlerMethodArgumentResolver.class); // Verify HAL setup context.getBean("halJacksonHttpMessageConverter", HttpMessageConverter.class); ObjectMapper mapper = context.getBean("halObjectMapper", ObjectMapper.class); mapper.writeValueAsString(new RepositoryLinksResource()); } /** * @see DATAREST-271 */ @Test public void assetConsidersPaginationCustomization() { HateoasPageableHandlerMethodArgumentResolver resolver = context .getBean(HateoasPageableHandlerMethodArgumentResolver.class); UriComponentsBuilder builder = UriComponentsBuilder.newInstance(); resolver.enhance(builder, null, new PageRequest(0, 9000, Direction.ASC, "firstname")); MultiValueMap<String, String> params = builder.build().getQueryParams(); assertThat(params.containsKey("myPage"), is(true)); assertThat(params.containsKey("mySort"), is(true)); assertThat(params.get("mySize"), hasSize(1)); assertThat(params.get("mySize").get(0), is("7000")); } /** * @see DATAREST-336 */ @Test public void objectMapperRendersDatesInIsoByDefault() throws Exception { Sample sample = new Sample(); sample.date = new Date(); ObjectMapper mapper = context.getBean("objectMapper", ObjectMapper.class); DateFormatter formatter = new DateFormatter(); formatter.setIso(ISO.DATE_TIME); Object result = JsonPath.read(mapper.writeValueAsString(sample), "$.date"); assertThat(result, is(instanceOf(String.class))); assertThat(result, is((Object) formatter.print(sample.date, Locale.US))); } /** * @see DATAREST-362 */ @Test(expected = NoSuchBeanDefinitionException.class) public void doesNotExposePersistentEntityJackson2ModuleAsBean() { context.getBean(PersistentEntityJackson2Module.class); } /** * @see DATAREST-362 */ @Test public void registeredHttpMessageConvertersAreTypeConstrained() { Collection<MappingJackson2HttpMessageConverter> converters = context .getBeansOfType(MappingJackson2HttpMessageConverter.class).values(); for (HttpMessageConverter<?> converter : converters) { assertThat(converter, is(anyOf(instanceOf(TypeConstrainedMappingJackson2HttpMessageConverter.class), instanceOf(AlpsJsonHttpMessageConverter.class)))); } } /** * @see DATAREST-424 */ @Test public void halHttpMethodConverterIsRegisteredBeforeTheGeneralOne() { CollectingComponent component = context.getBean(CollectingComponent.class); List<HttpMessageConverter<?>> converters = component.converters; assertThat(converters.get(0).getSupportedMediaTypes(), hasItem(MediaTypes.HAL_JSON)); assertThat(converters.get(1).getSupportedMediaTypes(), hasItem(RestMediaTypes.SCHEMA_JSON)); } /** * @see DATAREST-424 */ @Test public void halHttpMethodConverterIsRegisteredAfterTheGeneralOneIfHalIsDisabledAsDefaultMediaType() { AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext( NonHalConfiguration.class); CollectingComponent component = context.getBean(CollectingComponent.class); context.close(); List<HttpMessageConverter<?>> converters = component.converters; assertThat(converters.get(0).getSupportedMediaTypes(), hasItem(RestMediaTypes.SCHEMA_JSON)); assertThat(converters.get(1).getSupportedMediaTypes(), hasItem(MediaTypes.HAL_JSON)); } /** * @see DATAREST-431, DATACMNS-626 */ @Test public void hasConvertersForPointAndDistance() { ConversionService service = context.getBean("defaultConversionService", ConversionService.class); assertThat(service.canConvert(String.class, Point.class), is(true)); assertThat(service.canConvert(Point.class, String.class), is(true)); assertThat(service.canConvert(String.class, Distance.class), is(true)); assertThat(service.canConvert(Distance.class, String.class), is(true)); } /** * @see DATAREST-686 */ @Test public void defaultsEncodingForMessageSourceToUtfEight() { MessageSourceAccessor accessor = context.getBean("resourceDescriptionMessageSourceAccessor", MessageSourceAccessor.class); Object messageSource = ReflectionTestUtils.getField(accessor, "messageSource"); assertThat((String) ReflectionTestUtils.getField(messageSource, "defaultEncoding"), is("UTF-8")); } @Configuration @Import(RepositoryRestMvcConfiguration.class) static class ExtendingConfiguration extends RepositoryRestConfigurerAdapter { @Bean public DefaultRelProvider relProvider() { return new DefaultRelProvider(); } @Bean public CollectingComponent collectingComponent() { return new CollectingComponent(); } @Override public void configureRepositoryRestConfiguration(RepositoryRestConfiguration config) { config.setDefaultPageSize(45); config.setMaxPageSize(7000); config.setPageParamName("myPage"); config.setLimitParamName("mySize"); config.setSortParamName("mySort"); } } @Configuration @Import(RepositoryRestMvcConfiguration.class) static class NonHalConfiguration extends RepositoryRestConfigurerAdapter { @Bean public CollectingComponent collectingComponent() { return new CollectingComponent(); } @Override public void configureRepositoryRestConfiguration(RepositoryRestConfiguration config) { config.useHalAsDefaultJsonMediaType(false); } } static class Sample { public Date date; } static class CollectingComponent { List<HttpMessageConverter<?>> converters; @Autowired public void setConverters(List<HttpMessageConverter<?>> converters) { this.converters = converters; } } }