public void Build_returns_unique_instance_for_each_invocation()
{
var builder = new ServiceFactory();
var container = Mock.Of <IContainer>();
var instance1 = builder.BuildUpService(typeof(Calculator), container);
var instance2 = builder.BuildUpService(typeof(Calculator), container);
Assert.NotNull(instance1);
Assert.NotNull(instance2);
Assert.NotSame(instance1, instance2);
}
public void Build_throws_when_concrete_class_does_not_have_public_constructor()
{
var builder = new ServiceFactory();
var container = Mock.Of <IContainer>();
Assert.Throws <InvalidOperationException>(() => builder.BuildUpService(typeof(InternalConstructorClass), container));
}
public void Build_throws_when_it_cannot_statisfy_dependencies_for_all_constructor_parameters()
{
var builder = new ServiceFactory();
var container = new Mock <IContainer>();
container.Setup(c => c.Resolve(typeof(IEmail))).Returns(new EmailService(new StringBuilder()) as IEmail);
container.Setup(c => c.Resolve(typeof(ICalculator))).Throws <InvalidOperationException>();
Assert.Throws <DepencencyNotSatisfiedException>(() => builder.BuildUpService(typeof(ViewController), container.Object));
}
public void Build_provides_dependencies_for_registered_constructor_parameters()
{
var builder = new ServiceFactory();
var container = new Mock <IContainer>();
container.Setup(c => c.Resolve(typeof(IEmail))).Returns(new EmailService(new StringBuilder()) as IEmail);
container.Setup(c => c.Resolve(typeof(ICalculator))).Returns(new Calculator() as ICalculator);
ViewController instance = (ViewController)builder.BuildUpService(typeof(ViewController), container.Object);
Assert.NotNull(instance);
Assert.IsType <ViewController>(instance);
Assert.NotNull(instance.Calculator);
Assert.NotNull(instance.EmailService);
}