public void when_the_does_not_have_a_match_should_throw_an_item_not_found_in_registry_exception()
{
//Arrange
var itemFactoryRegistry = Substitute.For<IContainTheItemFactories>();
IFindItemFactories itemRegistryFactory = new ItemFactoryRegistry(itemFactoryRegistry);
var testItem = new TestItem();
var nonMatches = Enumerable.Range(1, 100).Select(x => Substitute.For<IMatchAnItem>()).ToList();
itemFactoryRegistry.GetEnumerator().Returns(nonMatches.GetEnumerator());
//Act
ItemNotFoundInRegistryException expectedException = null;
try
{
itemRegistryFactory.Find(testItem);
}
catch (ItemNotFoundInRegistryException e)
{
expectedException = e;
}
//Assert
Assert.That(expectedException.ItemNotFound, Is.EqualTo(testItem));
}
public void when_the_item_has_a_match_in_the_registry_should_return_the_factory_from_the_match()
{
//Arrange
var itemFactoryRegistry = Substitute.For<IContainTheItemFactories>();
IFindItemFactories itemRegistryFactory = new ItemFactoryRegistry(itemFactoryRegistry);
var testItem = new TestItem();
var nonMatches = Enumerable.Range(1, 100).Select(x => Substitute.For<IMatchAnItem>()).ToList();
var match = Substitute.For<IMatchAnItem>();
match.CanCreateFrom(testItem).Returns(true);
itemFactoryRegistry.GetEnumerator().Returns(nonMatches.Concat(new[] { match }).GetEnumerator());
//Act
var theReturnedFactory = itemRegistryFactory.Find(testItem);
//Assert
Assert.That(theReturnedFactory, Is.EqualTo((Func<Item, IUpdateAnItem>)match.Factory));
}
