public void GivenANewLibraryManagerAndAMemberThatCanBorrow10Books_WhenCalculatingMembershipCosts_ThenTheResultShouldBe15()
{
//AndAMemberThatCanBorrow10Books
LibraryMember member = new LibraryMember()
{
Id = 1,
MaximumBooks = 10
};
//GivenANewLibraryManager
var store = new Mock <ILibraryStore>();
store.Setup(s => s.GetMember(It.IsAny <int>())).Returns(member);
LibraryManager manager = new LibraryManager(store.Object);
//WhenCalculatingMembershipCosts
double actual = manager.CalculateMemberShipCost(member.Id);
//ThenTheResultShouldBe15
Assert.AreEqual(10 + member.MaximumBooks * 0.5, actual);
}
