public async Task GivenACommandThenTheAggregateIsRetrievedTheSetOperationInvokedAndTheChangesSavedAsync()
{
var identity = Guid.NewGuid();
var repository = new Mock <IRepository <SerializableEventCentricAggregateRoot> >();
var handler = new TestableCoordinatedOperationHandler <Message>(identity, repository.Object);
var command = new SerializableMessage();
var aggregate = new SerializableEventCentricAggregateRoot(identity);
Assert.NotEqual(identity, aggregate.Value);
_ = repository
.Setup(repo => repo.GetAsync(
It.IsAny <Guid>(),
It.IsAny <CancellationToken?>(),
It.IsAny <SignedVersion?>()))
.ReturnsAsync(aggregate);
await handler.ExecuteAsync(command, CancellationToken.None);
Assert.Equal(identity, aggregate.Value);
repository.Verify(
repo => repo.SaveAsync(
It.IsAny <SerializableEventCentricAggregateRoot>(),
It.IsAny <CancellationToken?>()),
Times.Once);
repository.Verify(
repo => repo.SaveAsync(
It.Is <SerializableEventCentricAggregateRoot>(source => source == aggregate),
It.IsAny <CancellationToken?>()),
Times.Once);
}
public async Task GivenAPopulatedRepositoryThenAListOfTheMostUpToDateVersionsIsReturnedAsync()
{
const int ExpectedTotal = 2;
var first = new SerializableEventCentricAggregateRoot();
var second = new SerializableEventCentricAggregateRoot();
IRepository <SerializableEventCentricAggregateRoot> repository =
Create <SerializableEventCentricAggregateRoot>();
await repository.SaveAsync(first);
await repository.SaveAsync(second);
var context = new SerializableMessage();
second.Set(new SetRequest(context, Guid.NewGuid()));
await repository.SaveAsync(second);
IEnumerable <SerializableEventCentricAggregateRoot> results = await repository.GetAllAsync();
Assert.Equal(ExpectedTotal, results.Count());
Assert.Contains(results, result => result.Id == first.Id && result.Version == first.Version);
Assert.Contains(results, result => result.Id == second.Id && result.Version == second.Version);
}
public WhenPublishAsyncIsCalled()
{
aggregate = new SerializableAggregateRoot();
context = new SerializableMessage();
store = new Mock <IStore <AtomicUnit, Guid> >();
bus = new PersistentBus(store.Object);
}
public void GivenAContextTheAnInstanceIsReturnedWithTheContextSet()
{
var context = new SerializableMessage();
var instance = new AggregateDoesNotExistException <AggregateRoot>(context);
Assert.Equal(context, instance.Context);
}
public async Task GivenAVersionedReferenceAndARequestForASpecificVersionWhenMoreThanOneVersionExistsThenTheRequestedVersionIsReturnedAsync()
{
var aggregate = new SerializableAggregateRoot();
SignedVersion firstVersion = aggregate.Version;
var reference = Reference.Create(aggregate);
aggregate.MarkChangesAsCommitted();
var context = new SerializableMessage();
aggregate.Set();
_ = repository
.Setup(repo => repo.GetAsync(
It.Is <Guid>(id => id == aggregate.Id),
It.IsAny <CancellationToken?>(),
It.Is <SignedVersion>(v => v == firstVersion)))
.ReturnsAsync(aggregate);
AggregateRoot value = await repository.Object.GetAsync(context, reference, latest : false);
repository.Verify(
repo => repo.GetAsync(
It.IsAny <Guid>(),
It.IsAny <CancellationToken?>(),
It.IsAny <SignedVersion>()),
Times.Once);
Assert.Equal(aggregate, value);
}
public async Task GivenAnIdWhenTwoExistingVersionedEntriesExistThenTheMostUpToDateEntryIsReturnedAsync()
{
var aggregate = new SerializableEventCentricAggregateRoot();
IRepository <SerializableEventCentricAggregateRoot> repository =
Create <SerializableEventCentricAggregateRoot>();
await repository.SaveAsync(aggregate);
var context = new SerializableMessage();
aggregate.Set(new SetRequest(context, Guid.NewGuid()));
await repository.SaveAsync(aggregate);
var other = new SerializableEventCentricAggregateRoot();
await repository.SaveAsync(other);
SerializableEventCentricAggregateRoot?actual = await repository.GetAsync(aggregate.Id);
Assert.NotNull(actual);
Assert.NotSame(aggregate, actual);
Assert.Equal(aggregate.Id, actual !.Id);
Assert.Equal(aggregate.Version, actual.Version);
}
public void GivenAContextThenTheContextIsPropagated()
{
var expectedContext = new SerializableMessage();
var request = new TestableRequest(expectedContext);
Assert.Equal(expectedContext, request.Context);
}
public async Task GivenAVersionThatIsNotTheCurrentVersionThenANullValueIsReturnedAsync()
{
var aggregate = new SerializableEventCentricAggregateRoot();
SignedVersion expectedFirst = aggregate.Version;
IRepository <SerializableEventCentricAggregateRoot> repository =
Create <SerializableEventCentricAggregateRoot>();
await repository.SaveAsync(aggregate);
var context = new SerializableMessage();
aggregate.Set(new SetRequest(context, Guid.NewGuid()));
SignedVersion expectedSecond = aggregate.Version;
await repository.SaveAsync(aggregate);
var other = new SerializableEventCentricAggregateRoot();
await repository.SaveAsync(other);
SerializableEventCentricAggregateRoot?actualFirst = await repository.GetAsync(aggregate.Id, version : expectedFirst);
SerializableEventCentricAggregateRoot?actualSecond = await repository.GetAsync(aggregate.Id, version : expectedSecond);
Assert.Null(actualFirst);
Assert.NotNull(actualSecond);
Assert.NotSame(expectedSecond, actualSecond);
Assert.Equal(aggregate.Id, actualSecond !.Id);
Assert.Equal(expectedSecond, actualSecond.Version);
}
public async Task GivenAnAggregateWithChangesWhenAggregateSavedIsRaisedThenTheChangesArePropagatedToTheBusAsync()
{
const int ExpectedTotalChanges = 2;
var context = new SerializableMessage();
var aggregate = new SerializableEventCentricAggregateRoot(context);
var request = new SetRequest(context, Guid.NewGuid());
var bus = new Mock <IBus>();
var cloner = new TestableCloner();
var repository = new UnversionedMemoryRepository <SerializableEventCentricAggregateRoot>(cloner);
var propagator = new DomainEventPropagator <SerializableEventCentricAggregateRoot>(bus.Object, repository);
IEnumerable <DomainEvent> changes = Enumerable.Empty <DomainEvent>();
_ = bus
.Setup(b => b.PublishAsync(
It.IsAny <IEnumerable <DomainEvent> >(),
It.IsAny <CancellationToken?>()))
.Callback <IEnumerable <DomainEvent>, CancellationToken?>((events, _) => changes = events);
aggregate.Set(request);
await repository.SaveAsync(aggregate);
_ = Assert.Single(changes.OfType <SerializableCreatedDomainEvent>());
_ = Assert.Single(changes.OfType <SerializableSetDomainEvent>());
Assert.Equal(ExpectedTotalChanges, changes.Count());
}
public void Serialize(Message message)
{
var serializableMessage = new SerializableMessage(message);
var serialized = JsonConvert.SerializeObject(serializableMessage, SerializerSettings);
exportFile.Value.WriteLine(serialized);
}
public void GivenAnAggregateAndNoInvariantsThenNoExceptionIsThrown()
{
var context = new SerializableMessage();
var request = new TestableRequest(context);
var aggregate = new SerializableAggregateRoot();
request.Satisfies(aggregate);
}
public void GivenTwoEntitiesWithTheSameIdsButDifferentTypesThenAPositiveResponseIsReturned()
{
var first = new SerializableMessage();
var second = new SerializableEntity <Guid>(first.Id);
Assert.True(first != second);
Assert.True(second != first);
}
private IConnectionMessage ToMessage(byte[] data)
{
if (data.Length == 0)
{
return(null);
}
return(SerializableMessage.FromRawData(data));
}
public void GivenAnAggregateThenAnInstanceIsCreated()
{
var message = new SerializableMessage();
var @event = new MessageInvokingAsyncEventArgs(message);
Assert.Equal(message, @event.Message);
Assert.Same(message, @event.Message);
}
public void GivenAnEventWhenCastToATypedReferenceThenTheTypedReferenceIsReturned()
{
var aggregate = new SerializableEventCentricAggregateRoot();
var message = new SerializableMessage();
var @event = new SerializableDomainEvent <SerializableEventCentricAggregateRoot>(message, aggregate);
Reference <SerializableEventCentricAggregateRoot> reference = @event;
Assert.True(reference.IsMatch(aggregate));
}
public void GivenTwoEntitiesWithTheSameIdsButDifferentTypesThenANegativeResponseIsReturned()
{
var first = new SerializableMessage();
var second = new SerializableEntity <Guid>(first.Id);
Assert.False(first == second);
Assert.False(first.Equals(second));
Assert.False(second == first);
}
private static DomainEvent[] CreateEvents()
{
var aggregate = new SerializableAggregateRoot();
var context = new SerializableMessage();
var firstEvent = new SerializableDomainEvent <SerializableAggregateRoot>(context, aggregate);
var secondEvent = new SerializableDomainEvent <SerializableAggregateRoot>(context, aggregate);
return(new[] { firstEvent, secondEvent });
}
public void GivenAnInstanceThenAllPropertiesAreSerialized()
{
var context = new SerializableMessage();
var original = new AggregateDoesNotExistException <AggregateRoot>(context);
AggregateDoesNotExistException <AggregateRoot> deserialized = original.Clone();
Assert.NotSame(original, deserialized);
Assert.Equal(original.Context, deserialized.Context);
}
protected IEnumerable <DomainEvent> CreateEvents(int count)
{
var context = new SerializableMessage();
var aggregate = new SerializableAggregateRoot();
return(Enumerable
.Range(0, count)
.Select(_ => new SerializableDomainEvent <SerializableAggregateRoot>(context, aggregate))
.ToArray());
}
public void GivenANonQueryTypedInstanceThenAllPropertiesAreSerialized()
{
var context = new SerializableMessage();
var result = new SerializablePaginatedResult <int>(context, new Paging(), 100, new[] { 1, 2, 3 });
SerializablePaginatedResult <int> deserialized = result.Clone();
Assert.Equal(result, deserialized);
Assert.NotSame(result, deserialized);
Assert.Equal(result.GetHashCode(), deserialized.GetHashCode());
}
public void GivenAContextAndPagingThenThePagingPropertyIsSetToMatch()
{
var paging = new Paging();
var context = new SerializableMessage();
var query = new SerializablePaginatedQuery(context, paging);
Assert.Equal(context.CorrelationId, query.CorrelationId);
Assert.Equal(context.Id, query.CausationId);
Assert.Equal(paging, query.Paging);
}
public void SerializableAddressToMailAddress()
{
var serializableMessage = new SerializableMessage(new SerializableAddress(address, displayName),
new SerializableAddress(Toaddress));
serializableMessage.BodyCodePage = displayNameEncoding.CodePage;
MailMessage mailMessage = serializableMessage;
Compare(mailMessage, serializableMessage);
}
public void GivenEventsThenAnInstanceIsReturnedWithTheEventsSet()
{
var aggregate = new SerializableEventCentricAggregateRoot();
var context = new SerializableMessage();
SerializableCreatedDomainEvent[] events = new[] { new SerializableCreatedDomainEvent(context, aggregate) };
var @event = new EventReconciliationAsyncEventArgs(events);
Assert.Equal(events, @event.Events);
}
public void GivenAResultThenTheValueIsReturned(int[] values)
{
var context = new SerializableMessage();
var result = new SerializableEnumerableResult <int>(context, values);
int[] actual = result;
int[] expected = values ?? Array.Empty <int>();
Assert.Equal(expected, actual);
}
public void GiveEventsFromASingleAggregateVersionButTwoDifferentContextsThenAnArgumentExceptionIsThrown()
{
var aggregate = new SerializableAggregateRoot();
var firstContext = new SerializableMessage();
var secondContext = new SerializableMessage();
var firstEvent = new SerializableDomainEvent <SerializableAggregateRoot>(firstContext, aggregate);
var secondEvent = new SerializableDomainEvent <SerializableAggregateRoot>(secondContext, aggregate);
_ = Assert.Throws <ArgumentException>(() => new AtomicUnit(new[] { firstEvent, secondEvent }));
}
public void GivenAnEmptyAggregateIdAndAContextThenAnArgumentExceptionIsThrown()
{
Guid aggregate = Guid.Empty;
var context = new SerializableMessage();
ArgumentException exception = Assert.Throws <ArgumentException>(
() => new AggregateNotFoundException <AggregateRoot>(context, aggregate));
Assert.Equal(nameof(aggregate), exception.ParamName);
}
public void GivenAResultThenTheValueIsReturned()
{
const int Expected = 9;
var context = new SerializableMessage();
var result = new SerializableResult <int>(context, Expected);
int actual = result;
Assert.Equal(Expected, actual);
}
public void GivenANullAggregateAndAContextThenAnArgumentExceptionIsThrown()
{
Reference <AggregateRoot>?aggregate = default;
var context = new SerializableMessage();
ArgumentException exception = Assert.Throws <ArgumentException>(
() => new AggregateNotFoundException <AggregateRoot>(context, aggregate !));
Assert.Equal(nameof(aggregate), exception.ParamName);
}
public void GivenAContextAndNullPagingThenAnArgumentNullExceptionIsThrown()
{
var context = new SerializableMessage();
Paging?paging = default;
ArgumentNullException exception = Assert.Throws <ArgumentNullException>(
() => new SerializablePaginatedQuery(context, paging !));
Assert.Equal(nameof(paging), exception.ParamName);
}
public void GiveEventsFromTwoAggregatesThenAnArgumentExceptionIsThrown()
{
var firstAggregate = new SerializableAggregateRoot();
var secondAggregate = new SerializableAggregateRoot();
var context = new SerializableMessage();
var firstEvent = new SerializableDomainEvent <SerializableAggregateRoot>(context, firstAggregate);
var secondEvent = new SerializableDomainEvent <SerializableAggregateRoot>(context, secondAggregate);
_ = Assert.Throws <ArgumentException>(() => new AtomicUnit(new[] { firstEvent, secondEvent }));
}