I have a working Wicket [v6] application with Guice [v3] - I have used
dependency injection for repository operations right now and I want to
expend it into using services that are session scoped (one per user's
session). I have read through official documentation, various blog posts and
questions here, but I am not sure if I am using the correct approach.
I have two questions: 1. Do I use the correct way? 2. Do I need anything
special to run TestNG tests on classes that rely on SessionScoped
injections?
My setup: web.xml:
<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>
<listener>
<listener-class>com.xxx.CustomServletConfig</listener-class>
MyApplication init:
@Override
protected void init()
{
super.init();
getResourceSettings().setResourcePollFrequency(null);
getMarkupSettings().setStripWicketTags(true);
getDebugSettings().setDevelopmentUtilitiesEnabled(true);
GuiceComponentInjector injector = new GuiceComponentInjector(this, new
WebModule(), new GuiceModule());;
}
CustomServletConfig:
public class CustomServletConfig extends GuiceServletContextListener {
@Override
protected Injector getInjector() {
return Guice.createInjector(new GuiceModule(), new WebModule());
}
WebModule:
public static class WebModule extends ServletModule {
@Override
protected void configureServlets() {
bind(WebApplication.class).toProvider(WicketGuiceAppProvider.class).asEagerSingleton();
bind(IUserService.class).to(UserService.class).in(ServletScopes.SESSION);
Map<String, String> params = new HashMap<String, String>();
params.put(WicketFilter.FILTER_MAPPING_PARAM, "/*");
filter("/*").through(WicketGuiceFilter.class, params);
}
}
In an example page I have:
@Inject
IUserService userService
...
userService.doSomething
At userService.doSomething during unit test I am getting Guice
OutOfScopeException, pointing to my bindings in ServletModule: Error in
custom provider, com.google.inject.OutOfScopeException?: Cannot access
scoped object. Either we are not currently inside an HTTP Servlet request,
or you may have forgotten to apply com.google.inject.servlet.GuiceFilter? as
a servlet filter for this request.
Is my configuration ok and I need to run unit tests differently (I am simply
launching my application with WicketTester), or is my design faulty?
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