public void an_older_message_for_existing_breaker_is_ignored_by_update_and_returns_the_more_recent_state()
{
SystemTime.Is(second: 1, millisecond: 100);
CircuitBreakerState original = Helper.MakeBreakerState("a", messageSequenceNumber: 15);
CircuitBreakerState originalResult = _set.ProcessCircuitStateMessage(original);
CircuitBreakerState ignoredResult =
_set.ProcessCircuitStateMessage(Helper.MakeBreakerState("a", messageSequenceNumber: 14));
Assert.That(ignoredResult.CircuitBreakerId, Is.EqualTo(originalResult.CircuitBreakerId), "CircuitBreakerId");
Assert.That(ignoredResult.MessageSequenceNumber, Is.EqualTo(originalResult.MessageSequenceNumber), "RequestMessageSequenceNumber");
Assert.That(ignoredResult.ProcessId, Is.EqualTo(originalResult.ProcessId), "ProcessID");
Assert.That(ignoredResult.Status, Is.EqualTo(originalResult.Status), "Status");
Assert.That(ignoredResult.MachineName, Is.EqualTo(originalResult.MachineName), "MachineName");
Assert.That(ignoredResult.LastModifiedDate, Is.EqualTo(SystemTime.Now()), "LastModifiedDate should be now");
}
public void adding_an_unseen_circuit_returns_a_passthrough_message_stamped_with_current_time()
{
SystemTime.Is(millisecond: 100);
CircuitBreakerState input = Helper.MakeBreakerState(messageSequenceNumber: 15);
SystemTime.Is(millisecond: 200);
CircuitBreakerState result = _set.ProcessCircuitStateMessage(input);
Assert.That(result.CircuitBreakerId, Is.EqualTo(input.CircuitBreakerId), "CircuitBreakerId");
Assert.That(result.MessageSequenceNumber, Is.EqualTo(input.MessageSequenceNumber), "RequestMessageSequenceNumber");
Assert.That(result.ProcessId, Is.EqualTo(input.ProcessId), "ProcessID");
Assert.That(result.Status, Is.EqualTo(input.Status), "Status");
Assert.That(result.MachineName, Is.EqualTo(input.MachineName), "MachineName");
Assert.That(result.LastModifiedDate, Is.EqualTo(input.LastModifiedDate.AddMilliseconds(100)), "LastModifiedDate");
Assert.That(result.LastModifiedDate, Is.EqualTo(SystemTime.Now()), "LastModifiedDate should be now");
}
public void a_newer_message_number_for_existing_breaker_is_processed_for_update()
{
SystemTime.Is(second: 1, millisecond: 100);
CircuitBreakerState original = Helper.MakeBreakerState("a", messageSequenceNumber: 15);
CircuitBreakerState originalResult = _set.ProcessCircuitStateMessage(original);
SystemTime.Is(second: 2, millisecond: 200);
CircuitBreakerState newResult =
_set.ProcessCircuitStateMessage(Helper.MakeBreakerState("a", messageSequenceNumber: 16));
Assert.That(newResult.CircuitBreakerId, Is.EqualTo(originalResult.CircuitBreakerId), "CircuitBreakerId");
Assert.That(newResult.MessageSequenceNumber, Is.EqualTo(16), "RequestMessageSequenceNumber");
Assert.That(newResult.ProcessId, Is.EqualTo(originalResult.ProcessId), "ProcessID");
Assert.That(newResult.Status, Is.EqualTo(originalResult.Status), "Status");
Assert.That(newResult.MachineName, Is.EqualTo(originalResult.MachineName), "MachineName");
Assert.That(newResult.LastModifiedDate, Is.EqualTo(SystemTime.Now()), "LastModifiedDate should be now");
}
public void all_entries_older_than_expirydate_get_wiped_leaving_newer_ones_untouched()
{
for (int i = 0; i < 13; i++)
{
var dt = SystemTime.Is(i);
var c = Helper.AddRandomCircuit(_set);
var cb = _set.TryGetCircuit(c);
Assert.AreEqual(dt, cb.LastModifiedDate);
}
Assert.That(_set.Circuits().Length, Is.EqualTo(13));
DateTime expiryDateTime = SystemTime.Is(10);
_set.RemoveExpiredCircuitBreakers(expiryDateTime);
Assert.That(_set.Circuits().Length, Is.EqualTo(2));
foreach (var id in _set.Circuits())
{
var state = _set.TryGetCircuit(id);
Assert.That(state.LastModifiedDate > expiryDateTime);
}
}
