Java can';t在运动衫测试中进行模拟
我正在从过滤器中的上下文获取Java can';t在运动衫测试中进行模拟,java,mocking,jersey,integration-testing,inject,Java,Mocking,Jersey,Integration Testing,Inject,我正在从过滤器中的上下文获取提供者,以定义对象映射器 public class Filter implements ContainerRequestFilter, ContainerResponseFilter { @Context private Providers providers; @Context private HttpServletRequest request; private ObjectMapper getObjectMapper
提供者
,以定义对象映射器
public class Filter implements ContainerRequestFilter, ContainerResponseFilter {
@Context
private Providers providers;
@Context
private HttpServletRequest request;
private ObjectMapper getObjectMapper() {
ContextResolver<ObjectMapper> contextResolver = providers.getContextResolver(ObjectMapper.class, MediaType.APPLICATION_JSON_TYPE);
if (contextResolver == null) {
return new ObjectMapper();
}
return contextResolver.getContext(null);
}
}
为什么
HttpServletRequest
在筛选器中是模拟的,而提供程序
不是模拟的?不应该模拟提供程序。它由框架处理。要添加任何提供程序,只需向ResourceConfig
注册即可。我不知道您在尝试这一点时是否在意做错了什么,但下面是一个完整的工作示例,其中ContextResolver
发现得很好
如果您仍然无法理解,请提供一个完整的工作单类示例(没有任何mock或Spring内容),就像我所做的那样
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerRequestFilter;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.Providers;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;
import org.junit.Assert;
import org.junit.Test;
public class ContextResolverTest extends JerseyTest {
@Provider
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public static class OMContextResolver implements ContextResolver<ObjectMapper> {
private final ObjectMapper mapper = new ObjectMapper();
@Override
public ObjectMapper getContext(Class<?> type) {
return mapper;
}
}
@Provider
public static class Filter implements ContainerRequestFilter {
@Context
private Providers providers;
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
ContextResolver<ObjectMapper> contextResolver
= providers.getContextResolver(ObjectMapper.class,
MediaType.APPLICATION_JSON_TYPE);
if (contextResolver == null) {
requestContext.abortWith(
Response.serverError().entity("no resolver").build());
} else {
ObjectMapper mapper = contextResolver.getContext(null);
if (mapper == null) {
requestContext.abortWith(
Response.serverError().entity("no mapper").build());
return;
}
requestContext.abortWith(
Response.ok("resolver found").build());
}
}
}
@Path("test")
public static class TestResource {
@GET
public String dummyGet() {
return "Boo";
}
}
@Override
public Application configure() {
ResourceConfig config = new ResourceConfig();
config.register(TestResource.class);
config.register(OMContextResolver.class);
config.register(Filter.class);
return config;
}
@Test
public void contextResolverIsOk() {
Response response = target("test").request().get();
Assert.assertEquals(200, response.getStatus());
Assert.assertEquals("resolver found", response.readEntity(String.class));
response.close();
}
}
import com.fasterxml.jackson.databind.ObjectMapper;
导入java.io.IOException;
导入javax.ws.rs.Consumes;
导入javax.ws.rs.GET;
导入javax.ws.rs.Path;
导入javax.ws.rs.products;
导入javax.ws.rs.container.ContainerRequestContext;
导入javax.ws.rs.container.ContainerRequestFilter;
导入javax.ws.rs.core.Application;
导入javax.ws.rs.core.Context;
导入javax.ws.rs.core.MediaType;
导入javax.ws.rs.core.Response;
导入javax.ws.rs.ext.ContextResolver;
导入javax.ws.rs.ext.Provider;
导入javax.ws.rs.ext.Providers;
导入org.glassfish.jersey.server.ResourceConfig;
导入org.glassfish.jersey.test.JerseyTest;
导入org.junit.Assert;
导入org.junit.Test;
公共类ContextResolverTest扩展了Jersey测试{
@提供者
@产生(MediaType.APPLICATION_JSON)
@使用(MediaType.APPLICATION_JSON)
公共静态类OMContextResolver实现ContextResolver{
私有最终ObjectMapper mapper=新ObjectMapper();
@凌驾
公共对象映射器getContext(类类型){
返回映射器;
}
}
@提供者
公共静态类筛选器实现ContainerRequestFilter{
@上下文
私人供应商;
@凌驾
公共无效筛选器(ContainerRequestContext requestContext)引发IOException{
上下文解析器上下文解析器
=providers.getContextResolver(ObjectMapper.class,
MediaType.APPLICATION_JSON_类型);
if(contextResolver==null){
requestContext.abortWith(
Response.serverError().entity(“无解析器”).build();
}否则{
ObjectMapper mapper=contextResolver.getContext(null);
if(映射器==null){
requestContext.abortWith(
Response.serverError().entity(“无映射器”).build();
返回;
}
requestContext.abortWith(
Response.ok(“找到解析程序”).build();
}
}
}
@路径(“测试”)
公共静态类TestResource{
@得到
公共字符串dummyGet(){
返回“Boo”;
}
}
@凌驾
公共应用程序配置(){
ResourceConfig=newresourceconfig();
config.register(TestResource.class);
寄存器(OMContextResolver.class);
配置寄存器(Filter.class);
返回配置;
}
@试验
public void contextResolverIsOk(){
响应=目标(“测试”).request().get();
Assert.assertEquals(200,response.getStatus());
Assert.assertEquals(“找到解析程序”,response.readEntity(String.class));
response.close();
}
}
我猜是因为它是由框架处理的。通常情况下,HttpServletRequest
将由框架处理,但因为您不是,所以它使用您的mock,因为找不到正常的mock。您可以通过以下链接和设置servlet环境来测试这一理论(我没有这样做),以查看模拟请求是否仍在使用。至于您试图实现的目标,为什么不创建一个虚拟ContextResolver
并注册它呢。这与试图模拟提供程序
并返回上下文解析器
几乎是一样的,我已经有了上下文解析器公共类JerseyObjectMapperProvider实现了上下文解析器{bla bla}。但没有在示例中添加。。。我已经在Resourcece onfig中注册了它,但它没有帮助你说的“没有帮助”是什么意思。你是说它没有被发现吗?providers.getContextResolver(ObjectMapper.class,MediaType.APPLICATION\u JSON\u TYPE)-返回null。谢谢,我真的相信,这个模板工作得很好。。。但在我的情况下(我是这样做的)——不是,(可能是因为Spring的东西),我将尝试删除这个Spring和Mock。但我认为这对我来说是不可能的。我会更新这个问题的状态,如果它有帮助,或者显示我的所有代码示例)它永远不会被知道)这应该在应用程序中,但现在不需要)
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerRequestFilter;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.Providers;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;
import org.junit.Assert;
import org.junit.Test;
public class ContextResolverTest extends JerseyTest {
@Provider
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public static class OMContextResolver implements ContextResolver<ObjectMapper> {
private final ObjectMapper mapper = new ObjectMapper();
@Override
public ObjectMapper getContext(Class<?> type) {
return mapper;
}
}
@Provider
public static class Filter implements ContainerRequestFilter {
@Context
private Providers providers;
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
ContextResolver<ObjectMapper> contextResolver
= providers.getContextResolver(ObjectMapper.class,
MediaType.APPLICATION_JSON_TYPE);
if (contextResolver == null) {
requestContext.abortWith(
Response.serverError().entity("no resolver").build());
} else {
ObjectMapper mapper = contextResolver.getContext(null);
if (mapper == null) {
requestContext.abortWith(
Response.serverError().entity("no mapper").build());
return;
}
requestContext.abortWith(
Response.ok("resolver found").build());
}
}
}
@Path("test")
public static class TestResource {
@GET
public String dummyGet() {
return "Boo";
}
}
@Override
public Application configure() {
ResourceConfig config = new ResourceConfig();
config.register(TestResource.class);
config.register(OMContextResolver.class);
config.register(Filter.class);
return config;
}
@Test
public void contextResolverIsOk() {
Response response = target("test").request().get();
Assert.assertEquals(200, response.getStatus());
Assert.assertEquals("resolver found", response.readEntity(String.class));
response.close();
}
}