public CycleEventsProviderTests(ITestOutputHelper output)
{
var hashProvider = new HashProvider(HashingAlgorithm.GetAlgorithmMetadata("blake2b-256"));
_output = output;
_testScheduler = new TestScheduler();
_schedulerProvider = Substitute.For <ICycleSchedulerProvider>();
_schedulerProvider.Scheduler.Returns(_testScheduler);
_dateTimeProvider = Substitute.For <IDateTimeProvider>();
_deltaHashProvider = Substitute.For <IDeltaHashProvider>();
_logger = Substitute.For <ILogger>();
_deltaHashProvider.GetLatestDeltaHash(Arg.Any <DateTime>())
.Returns(hashProvider.ComputeUtf8MultiHash("test"));
_dateTimeProvider.UtcNow.Returns(_ => _testScheduler.Now.DateTime);
_cycleProvider = new CycleEventsProvider(CycleConfiguration.Default, _dateTimeProvider, _schedulerProvider,
_deltaHashProvider, _logger);
_spy = Substitute.For <IObserver <IPhase> >();
_stopWatch = _testScheduler.StartStopwatch();
_subscription = _cycleProvider.PhaseChanges.Take(50)
.Subscribe(p =>
{
_output.WriteLine($"{_stopWatch.Elapsed.TotalSeconds} -- {p}");
_spy.OnNext(p);
}, () =>
{
_output.WriteLine($"completed after {_stopWatch.Elapsed.TotalSeconds:g}");
_spy.OnCompleted();
});
}
public void PhaseChanges_Should_Be_Synchronised_Across_Instances()
{
var secondProviderStartOffset = CycleConfiguration.Default.CycleDuration.Divide(3);
_testScheduler.AdvanceBy(secondProviderStartOffset.Ticks);
var spy2 = Substitute.For <IObserver <IPhase> >();
using (var cycleProvider2 = new CycleEventsProvider(CycleConfiguration.Default, _dateTimeProvider,
_schedulerProvider, _deltaHashProvider, new Abstractions.Sync.SyncState()
{
IsSynchronized = true
}, _logger))
using (cycleProvider2.PhaseChanges.Take(50 - PhaseCountPerCycle)
.Subscribe(p =>
{
TestContext.WriteLine(
$"{_stopWatch.Elapsed.TotalSeconds.ToString(CultureInfo.InvariantCulture)} % 2 -- {p}");
spy2.OnNext(p);
}, () =>
{
TestContext.WriteLine(
// ReSharper disable once InterpolatedStringExpressionIsNotIFormattable
$"% 2 -- completed after {_stopWatch.Elapsed.TotalSeconds.ToString(CultureInfo.InvariantCulture):g}");
spy2.OnCompleted();
}))
{
_testScheduler.Start();
_spy.Received(1).OnCompleted();
spy2.Received(1).OnCompleted();
var receivedPhases = GetReceivedPhases(_spy);
receivedPhases.Count.Should().Be(50);
var receivedPhases2 = GetReceivedPhases(spy2);
receivedPhases2.Count.Should().Be(50 - PhaseCountPerCycle);
(receivedPhases2.First().UtcStartTime - receivedPhases.First().UtcStartTime)
.TotalMilliseconds.Should().BeApproximately(
CycleConfiguration.Default.CycleDuration.TotalMilliseconds, 0.0002d,
"the provider should start on the second cycle");
foreach (var phases in receivedPhases.Skip(PhaseCountPerCycle)
.Zip(receivedPhases2, (a, b) => new Tuple <IPhase, IPhase>(a, b)))
{
(phases.Item1.UtcStartTime - phases.Item2.UtcStartTime).TotalMilliseconds
.Should().BeApproximately(0, 0.0001d, "phases should be in sync");
phases.Item1.Name.Should().Be(phases.Item2.Name);
phases.Item1.Status.Should().Be(phases.Item1.Status);
}
}
}
public void Init()
{
var hashProvider = new HashProvider(HashingAlgorithm.GetAlgorithmMetadata("keccak-256"));
_output = TestContext.CurrentContext;
_testScheduler = new TestScheduler();
_schedulerProvider = Substitute.For <ICycleSchedulerProvider>();
_schedulerProvider.Scheduler.Returns(_testScheduler);
_dateTimeProvider = Substitute.For <IDateTimeProvider>();
_deltaHashProvider = Substitute.For <IDeltaHashProvider>();
_logger = Substitute.For <ILogger>();
_deltaHashProvider.GetLatestDeltaHash(Arg.Any <DateTime>())
.Returns(hashProvider.ComputeUtf8MultiHash("test"));
_dateTimeProvider.UtcNow.Returns(_ => _testScheduler.Now.DateTime);
_cycleProvider = new CycleEventsProvider(CycleConfiguration.Default, _dateTimeProvider, _schedulerProvider,
_deltaHashProvider, new Abstractions.Sync.SyncState()
{
IsSynchronized = true
}, _logger);
_spy = Substitute.For <IObserver <IPhase> >();
_stopWatch = _testScheduler.StartStopwatch();
_subscription = _cycleProvider.PhaseChanges.Take(50)
.Subscribe(p =>
{
TestContext.WriteLine($"{_stopWatch.Elapsed.TotalSeconds} -- {p}");
_spy.OnNext(p);
}, () =>
{
TestContext.WriteLine($"completed after {_stopWatch.Elapsed.TotalSeconds:g}");
_spy.OnCompleted();
});
}
