public void GetServiceReturnsNullForUnregisteredService()
{
var container = new ContainerBuilder().Build();
var resolver = new AutofacWebApiDependencyResolver(container);
var service = resolver.GetService(typeof(object));
Assert.That(service, Is.Null);
}
/// <summary>
/// 构建服务并设置WebApi平台的Resolver
/// </summary>
/// <param name="services">服务映射信息集合</param>
/// <param name="assemblies">要检索的程序集集合</param>
/// <returns>服务提供者</returns>
protected override IServiceProvider BuildAndSetResolver(IServiceCollection services, Assembly[] assemblies)
{
ContainerBuilder builder = new ContainerBuilder();
builder.RegisterApiControllers(assemblies).AsSelf().PropertiesAutowired();
builder.RegisterWebApiFilterProvider(GlobalConfiguration.Configuration);
builder.RegisterWebApiModelBinderProvider();
builder.Populate(services);
IContainer container = builder.Build();
IDependencyResolver resolver = new AutofacWebApiDependencyResolver(container);
GlobalConfiguration.Configuration.DependencyResolver = resolver;
return (IServiceProvider)resolver.GetService(typeof(IServiceProvider));
}