public void GetService_returns_singleton_instance_for_each_invocation_when_SingletonLifetime()
{
IContainer container = new AcrylicContainer();
container.Register <ICalculator, Calculator>(Lifetime.Singleton);
IServiceProvider servieProvider = new AcrylicServiceProvider(container);
var instance1 = servieProvider.GetService(typeof(ICalculator));
var instance2 = servieProvider.GetService(typeof(ICalculator));
Assert.IsAssignableFrom <ICalculator>(instance1);
Assert.NotNull(instance1);
Assert.NotNull(instance2);
Assert.Same(instance1, instance2);
}
public void GetService_returns_null_service_type_is_not_registered()
{
var container = new Mock <IContainer>();
container.Setup(m => m.Resolve(typeof(ICalculator))).Throws <TypeMappingUnavailableException>();
IServiceProvider serviceProvider = new AcrylicServiceProvider(container.Object);
var instance = serviceProvider.GetService(typeof(ICalculator));
Assert.Null(instance);
}
public void GetService_forwards_call_to_containers_Resolve_successful_for_registered_type()
{
var container = new Mock <IContainer>();
container.Setup(m => m.Resolve(typeof(ICalculator))).Returns(new Calculator());
IServiceProvider serviceProvider = new AcrylicServiceProvider(container.Object);
var instance = serviceProvider.GetService(typeof(ICalculator));
Assert.NotNull(instance);
Assert.IsAssignableFrom <ICalculator>(instance);
container.Verify(m => m.Resolve(typeof(ICalculator)), Times.Once);
}