public void Handle_Success_ShouldDispatchTheEventsReturnedFromTheCommandHandler(
[Frozen] Mock<ICommandHandler<ICommandThatPublishesDomainEvents>> commandHandler,
[Frozen] Mock<IDomainEventDispatcher> eventDispatcher,
ICommandThatPublishesDomainEvents command,
IDomainEvent domainEvent1,
IDomainEvent domainEvent2,
DomainEventDispatcherDecorator<ICommandThatPublishesDomainEvents> decorator)
{
// Arrange
var domainEvents = new List<IDomainEvent>
{
domainEvent1,
domainEvent2
};
commandHandler.Setup(d => d.Handle(command)).Returns(domainEvents);
// Act
var result = decorator.Handle(command).ToList();
// Verify
result[0].Should().Be(domainEvent1);
result[1].Should().Be(domainEvent2);
eventDispatcher.Verify(d => d.Dispatch(domainEvent1), Times.Once);
eventDispatcher.Verify(d => d.Dispatch(domainEvent2), Times.Once);
}
public void Handle_NullDomainEvents_ReturnsNull(
[Frozen] Mock<ICommandHandler<ICommandThatPublishesDomainEvents>> commandHandler,
ICommandThatPublishesDomainEvents command,
DomainEventDispatcherDecorator<ICommandThatPublishesDomainEvents> decorator)
{
// Arrange
commandHandler.Setup(d => d.Handle(command)).Returns((IEnumerable<IDomainEvent>) null);
// Act
var result = decorator.Handle(command);
// Verify
result.Should().Be.Null();
}
public void Handle_EmptyDomainEvents_ShouldNotDispatch(
[Frozen] Mock<ICommandHandler<ICommandThatPublishesDomainEvents>> commandHandler,
[Frozen] Mock<IDomainEventDispatcher> eventDispatcher,
ICommandThatPublishesDomainEvents command,
DomainEventDispatcherDecorator<ICommandThatPublishesDomainEvents> decorator)
{
// Arrange
commandHandler.Setup(d => d.Handle(command)).Returns(new List<IDomainEvent>());
// Act
var result = decorator.Handle(command);
// Verify
result.Should().Be.Empty();
eventDispatcher.Verify(d => d.Dispatch(It.IsAny<IDomainEvent>()), Times.Never);
}
