public static void AssertThrows(this IWhenStateBuilder builder, Exception expectedException)
{
using (var scope = CompositionRoot.Instance.BeginLifetimeScope()) {
var specification = builder.Throws(expectedException).Build();
StoreGivens(scope, specification.Givens);
try {
HandleWhen(scope, specification.When);
NUnit.Framework.Assert.Fail(
"Expected the following exception to be thrown:\n\tType:{0}\n\tMessage:{1}.",
specification.Throws.GetType().Name,
specification.Throws.Message);
}
catch (AssertionException) {
throw;
}
catch (Exception actualException) {
NUnit.Framework.Assert.That(
actualException.GetType(),
Is.EqualTo(specification.Throws.GetType()),
"Expected an exception of type {0} but was of type {1}.",
specification.Throws.GetType().Name,
actualException.GetType().Name);
NUnit.Framework.Assert.That(
actualException.Message,
Is.EqualTo(specification.Throws.Message),
"Expected an exception with a specific message:\n\tExpected Message:{0}\n\tActual Message:{1}",
specification.Throws.Message, actualException.Message);
}
}
}
public static void AssertNothingHappened(this IWhenStateBuilder builder)
{
using (var scope = CompositionRoot.Instance.BeginLifetimeScope()) {
var specification = builder.Build();
StoreGivens(scope, specification.Givens);
HandleWhen(scope, specification.When);
var unitOfWork = scope.Resolve <UnitOfWork>();
NUnit.Framework.Assert.That(unitOfWork.GetChanges().SelectMany(aggregate => aggregate.Root.GetChanges()), Is.Empty,
"Expected no events but found the following events:\n\t{0}",
string.Join(",", unitOfWork.GetChanges().SelectMany(aggregate => aggregate.Root.GetChanges()).Select(@event => @event.GetType().Name)));
}
}
public static IThenStateBuilder Then(this IWhenStateBuilder builder, params IEvent[] events)
{
if (events == null)
{
throw new ArgumentNullException("events");
}
if (events.Length == 0)
{
return(builder.Then(Guid.Empty.ToString(), new object[0]));
}
using (var enumerator = events.AsEnumerable().GetEnumerator())
{
enumerator.MoveNext();
var continuation = builder.Then(enumerator.Current.Id.ToString(), enumerator.Current);
while (enumerator.MoveNext())
{
continuation = continuation.Then(enumerator.Current.Id.ToString(), enumerator.Current);
}
return(continuation);
}
}