public void Should_invoke_get_premium_if_canhandle()
{
var rule = Substitute.For <IInsuranceRule>();
var module = new InsuranceModule(() => rule, (x) => true);
module.Handle(new InsuranceQuote());
rule.Received().GetPremium(Arg.Any <Premium>(), Arg.Any <InsuranceQuote>());
}
public void Should_return_null_if_cannot_handle()
{
var rule = Substitute.For <IInsuranceRule>();
var module = new InsuranceModule(() => rule, (x) => false);
rule.GetPremium(Arg.Any <Premium>(), Arg.Any <InsuranceQuote>()).Returns(new Premium());
var result = module.Handle(new InsuranceQuote());
result.ShouldBe(null);
}