public async Task <Unit> Handle(UpdateMaximumSequenceNumberCommand request, CancellationToken cancellationToken)
{
ArgumentNullException.ThrowIfNull(request, nameof(request));
await _sequenceNumberRepository
.AdvanceSequenceNumberAsync(new SequenceNumber(request.SequenceNumber))
.ConfigureAwait(false);
return(Unit.Value);
}
public async Task UpdateHandle_SequenceNumber_IsSaved()
{
// Arrange
const long sequenceNumber = 100;
var repository = new Mock <ISequenceNumberRepository>();
var target = new MaximumSequenceNumberCommandHandler(repository.Object);
// Act
var command = new UpdateMaximumSequenceNumberCommand(sequenceNumber);
await target.Handle(command, CancellationToken.None).ConfigureAwait(false);
// Assert
repository.Verify(x => x.AdvanceSequenceNumberAsync(It.Is <SequenceNumber>(s => s.Value == sequenceNumber)));
}
public async Task UpdateMaximumSequenceNumberCommand_InvalidCommand_ThrowsException()
{
// Arrange
await using var host = await MarketOperatorIntegrationTestHost
.InitializeAsync()
.ConfigureAwait(false);
await using var scope = host.BeginScope();
var mediator = scope.GetInstance <IMediator>();
var command = new UpdateMaximumSequenceNumberCommand(-10);
// Act + Assert
await Assert
.ThrowsAsync <ValidationException>(() => mediator.Send(command))
.ConfigureAwait(false);
}
public async Task UpdateMaximumSequenceNumberCommand_WithNewNumber_CanReadNumberBack()
{
// Arrange
const long sequenceNumber = int.MaxValue + 1L;
await using var host = await MarketOperatorIntegrationTestHost
.InitializeAsync()
.ConfigureAwait(false);
await using var scope = host.BeginScope();
var mediator = scope.GetInstance <IMediator>();
var command = new UpdateMaximumSequenceNumberCommand(sequenceNumber);
// Act
await mediator.Send(command).ConfigureAwait(false);
// Assert
var sequenceNumberRepository = scope.GetInstance <ISequenceNumberRepository>();
var actual = await sequenceNumberRepository.GetMaximumSequenceNumberAsync().ConfigureAwait(false);
Assert.Equal(sequenceNumber, actual.Value);
}
public async Task Validate_SequenceNumber_ValidatesProperty(long value, bool isValid)
{
// Arrange
const string propertyName = nameof(UpdateMaximumSequenceNumberCommand.SequenceNumber);
var target = new UpdateMaximumSequenceNumberCommandRuleSet();
var command = new UpdateMaximumSequenceNumberCommand(value);
// Act
var result = await target.ValidateAsync(command).ConfigureAwait(false);
// Assert
if (isValid)
{
Assert.True(result.IsValid);
Assert.DoesNotContain(propertyName, result.Errors.Select(x => x.PropertyName));
}
else
{
Assert.False(result.IsValid);
Assert.Contains(propertyName, result.Errors.Select(x => x.PropertyName));
}
}
