有基于 Jersey 2.23.2 & Guice 3.0 的 REST Web 服务。要使用 Guice,需要调整hk2-guice 桥接器(我使用的是 2.5.0-b07)。在我尝试使用Jersey Test Framework测试服务之前,一切正常。无法为测试配置 hk2-guice 网桥。
我的测试:
public class SomeTest extends JerseyTestNg.ContainerPerClassTest {
@Override
protected TestContainerFactory getTestContainerFactory() throws TestContainerException {
return new GrizzlyWebTestContainerFactory();
}
@Override
protected Application configure() {
return super.configure(); // cant't configure
}
@Test
public void test() {
Assert.assertEquals(1, 1);
}
}
我不能在SomeTest.configure()
返回时配置测试new JerseyConfiguration()
(见下文),因为 JerseyConfiguration 的构造函数需要 ServiceLocator 的对象。
即使可以返回类“JerseyConfiguration”的对象——我也不确定我的测试是否有效,因为一些过滤器和监听器是在 web.xml 文件中定义的。
考虑到所有过滤器、侦听器和 hk2-guice 桥接器,如何配置测试?
网络服务细节
build.gradle 中的依赖项部分:
def jerseyVersion = '2.23.2'
def hk2Version = '2.5.0-b07'
def giuceVersion = '3.0'
dependencies {
compile "javax.servlet:javax.servlet-api:3.1.0"
//jersey
compile "org.glassfish.jersey.core:jersey-server:${jerseyVersion}"
compile "org.glassfish.jersey.containers:jersey-container-servlet:${jerseyVersion}"
//hk2
compile "org.glassfish.hk2:guice-bridge:${hk2Version}"
//guice
compile "com.google.inject:guice:${giuceVersion}"
compile "com.google.inject.extensions:guice-servlet:${giuceVersion}"
}
文件 web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<display-name>REST API App</display-name>
<listener>
<listener-class>com.example.core.JerseyGuiceServletContextListener</listener-class>
</listener>
<filter>
<filter-name>guiceFilter</filter-name>
<filter-class>com.google.inject.servlet.GuiceFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>guiceFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>jerseyFilter</filter-name>
<filter-class>org.glassfish.jersey.servlet.ServletContainer</filter-class>
<init-param>
<param-name>javax.ws.rs.Application</param-name>
<param-value>com.example.core.JerseyConfiguration</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>jerseyFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
JerseyGuiceServletContextListener 类:
public class JerseyGuiceServletContextListener extends GuiceServletContextListener {
static Injector injector;
@Override
protected Injector getInjector() {
injector = Guice.createInjector(new JerseyServletModuleConfig());
return injector;
}
}
JerseyServletModuleConfig 类:
class JerseyServletModuleConfig extends ServletModule {
@Override
protected void configureServlets() {
bind(HeyResource.class).in(Scopes.SINGLETON);
}
}
类泽西配置:
package com.example.core;
import com.google.inject.Injector;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.jersey.server.ResourceConfig;
import org.jvnet.hk2.guice.bridge.api.GuiceBridge;
import org.jvnet.hk2.guice.bridge.api.GuiceIntoHK2Bridge;
import javax.inject.Inject;
import javax.servlet.ServletContext;
class JerseyConfiguration extends ResourceConfig {
@Inject
public JerseyConfiguration(ServiceLocator serviceLocator, ServletContext servletContext) {
packages("com.example.ws");
GuiceBridge.getGuiceBridge().initializeGuiceBridge(serviceLocator);
GuiceIntoHK2Bridge guiceBridge = serviceLocator.getService(GuiceIntoHK2Bridge.class);
guiceBridge.bridgeGuiceInjector(JerseyGuiceServletContextListener.injector);
}
}