public async Task Si_Le_Transceiver_Renvoie_Une_Exception_Retente()
{
Expression <Func <ISerialPortTransceiver, Task <IEnumerable <byte> > > > anyCallToTransceiveAsync =
m => m.TransceiveAsync(It.IsAny <byte[]>(), It.IsAny <CancellationToken>());
var faultedTransceiver = new Mock <ISerialPortTransceiver>();
faultedTransceiver
.SetupSequence(anyCallToTransceiveAsync)
.Throws(new Exception())
.Returns(Task.FromResult(Enumerable.Empty <byte>()));
var retryOnFailure = new RetryOnFailureTrasceiver(faultedTransceiver.Object);
await retryOnFailure.TransceiveAsync(new byte[0], CancellationToken.None);
faultedTransceiver.Verify(anyCallToTransceiveAsync, Times.Exactly(2));
}
public void Si_Le_Transceiver_Renvoie_Une_Seconde_Exception_Throw_Les_Deux_Imbriquées()
{
var firstException = new Exception("First");
var secondException = new Exception("Second");
var faultedTransceiver = new Mock <ISerialPortTransceiver>();
faultedTransceiver
.SetupSequence(m => m.TransceiveAsync(It.IsAny <byte[]>(), It.IsAny <CancellationToken>()))
.Throws(firstException)
.Throws(secondException)
.Returns(Task.FromResult(Enumerable.Empty <byte>()));
var retryOnFailure = new RetryOnFailureTrasceiver(faultedTransceiver.Object);
Check.ThatAsyncCode((Func <Task>)(async() => await retryOnFailure.TransceiveAsync(new byte[0], CancellationToken.None)))
.Throws <AggregateException>()
.WhichMember(m => m.InnerExceptions)
.ContainsExactly(firstException, secondException);
}
