public void UseServiceProvider()
{
var application = new HttpApplicationMock();
var service = Mock.Of <IService>();
var serviceProvider = new Mock <IServiceProvider>(MockBehavior.Strict);
serviceProvider.Setup(sp => sp.GetService(typeof(IService)))
.Returns(service);
var returnedApplication = HttpApplicationExtensions.UseServiceProvider(application, serviceProvider.Object);
returnedApplication.Should().BeSameAs(application);
// Checks the WebObjectActivator has been defined correctly
HttpRuntime.WebObjectActivator.Should().BeOfType <ServiceProviderAdapter>();
// Checks the services
HttpRuntime.WebObjectActivator.GetService(typeof(IService)).Should().BeSameAs(service);
// Checks the next provider in the adapter has been defined correctly
HttpRuntime.WebObjectActivator.GetFieldValue <IServiceProvider>("nextProvider").Should().BeSameAs(this.existingProvider);
// Checks the adapter has been registered on the hosting environment infrastructure
typeof(HostingEnvironment).GetStaticValue <object>("_theHostingEnvironment").GetFieldValue <Hashtable>("_registeredObjects").ContainsKey(HttpRuntime.WebObjectActivator);
typeof(HostingEnvironment).GetStaticValue <object>("_theHostingEnvironment").GetFieldValue <Hashtable>("_registeredObjects").ContainsValue(HttpRuntime.WebObjectActivator);
}
public void UseServiceProvider_WithNullServiceProvider_ExceptionThrown()
{
Action act = () =>
{
HttpApplicationExtensions.UseServiceProvider(new HttpApplication(), null);
};
act.Should().Throw <ArgumentNullException>()
.And.ParamName.Should().Be("serviceProvider");
}
