private void WriteGivens(EventCentricTestSpecification specification)
{
if (specification.Givens.Length == 0)
{
return;
}
_writer.WriteLine("Given");
WriteFacts(specification.Givens);
}
/// <summary>
/// Initializes a new instance of the <see cref="EventCentricTestResult"/> class.
/// </summary>
/// <param name="specification">The specification.</param>
/// <param name="state">The state.</param>
/// <param name="actualEvents">The actual events.</param>
/// <param name="actualException">The actual exception.</param>
internal EventCentricTestResult(
EventCentricTestSpecification specification,
TestResultState state,
Optional <Fact[]> actualEvents,
Optional <Exception> actualException)
{
Specification = specification;
_state = state;
ButEvents = actualEvents;
ButException = actualException;
}
private async Task <EventCentricTestResult> RunAsync(EventCentricTestSpecification spec)
{
var position = await _factWriter.PersistFacts(spec.Givens);
var handleCommand = _handlerResolver.ResolveHandlerFor(spec.When);
var result = await Catch.Exception(async() => await handleCommand(spec.When));
if (result.HasValue)
{
return(spec.Fail(result.Value));
}
var actualEvents = await _factReader.RetrieveFacts(position);
return(actualEvents.SequenceEqual(spec.Thens, new WrappedFactComparerEqualityComparer(_comparer))
? spec.Pass(actualEvents)
: spec.Fail(actualEvents));
}
private void WriteThens(EventCentricTestSpecification specification)
{
_writer.WriteLine("Then");
WriteFacts(specification.Thens);
}
private void WriteWhen(EventCentricTestSpecification specification)
{
_writer.WriteLine("When");
WriteMessage(specification.When);
}
/// <summary>
/// Writes the specified test specification.
/// </summary>
/// <param name="specification">The test specification to write.</param>
public void Write(EventCentricTestSpecification specification)
{
WriteGivens(specification);
WriteWhen(specification);
WriteThens(specification);
}
/// <summary> /// Determines whether the specified <see cref="EventCentricTestSpecification" /> is equal to this instance. /// </summary> /// <param name="other">The <see cref="EventCentricTestSpecification" /> to compare with this instance.</param> /// <returns> /// <c>true</c> if the specified <see cref="EventCentricTestSpecification" /> is equal to this instance; otherwise, <c>false</c>. /// </returns> protected bool Equals(EventCentricTestSpecification other) => Equals(Givens, other.Givens) && Equals(When, other.When) && Equals(Thens, other.Thens);
public EventCentricTestResult Run(EventCentricTestSpecification specification) => RunAsync(specification).GetAwaiter().GetResult();