public void AddOrReplace_Adds()
{
var f = new IdGeneratorFactory();
f.GetGenerator(typeof(int)).ShouldBeNull();
var g = new Mock <IIdGenerator>();
f.AddOrReplace(typeof(int), g.Object);
f.GetGenerator(typeof(int)).ShouldBe(g.Object);
}
public void AddOrReplace_Replaces()
{
var f = new IdGeneratorFactory();
var g1 = new Mock <IIdGenerator>();
f.AddOrReplace(typeof(int), g1.Object);
var g2 = new Mock <IIdGenerator>();
f.AddOrReplace(typeof(int), g2.Object);
f.GetGenerator(typeof(int)).ShouldBe(g2.Object);
}
public static IIdGenerator GetGenerator <T>(this IdGeneratorFactory factory) => factory.GetGenerator(typeof(T));