public void IsAllowing_WhenAlreadyTripped_DoesntReTripBreaker()
{
const long durationMillis = 10000;
var mockMetrics = CreateMockMetricsWithSnapshot(10, 100); // 10 ops, 100% failing.
var stats = new InternallyCountingStats();
var breaker = new BreakerBuilder(1, 1, "Test") // Trip at 1 op, 1% failing.
.WithMockMetrics(mockMetrics)
.WithWaitMillis(durationMillis)
.WithStats(stats)
.Create();
breaker.IsAllowing(); // Trip the breaker.
Assert.Equal(1, stats.ServicesAndStates.Count(ss => ss.Service == "mjolnir breaker Test" && ss.State == "Tripped"));
breaker.IsAllowing(); // Make another call, which should bail immediately (and not re-trip).
// Best way to test this right now is to make sure we don't fire a stat for the state change.
Assert.Equal(1, stats.ServicesAndStates.Count(ss => ss.Service == "mjolnir breaker Test" && ss.State == "Tripped"));
}
public void IsAllowing_WhenAlreadyTripped_DoesntReTripBreaker()
{
const long durationMillis = 10000;
var mockMetrics = CreateMockMetricsWithSnapshot(10, 100); // 10 ops, 100% failing.
var stats = new InternallyCountingStats();
var metricEvents = new Mock<IMetricEvents>();
var breaker = new BreakerBuilder(1, 1, "Test") // Trip at 1 op, 1% failing.
.WithMockMetrics(mockMetrics)
.WithWaitMillis(durationMillis)
.WithStats(stats)
.WithMetricEvents(metricEvents.Object)
.Create();
breaker.IsAllowing(); // Trip the breaker.
Assert.Equal(1, stats.ServicesAndStates.Count(ss => ss.Service == "mjolnir breaker Test" && ss.State == "Tripped"));
metricEvents.Verify(m => m.BreakerTripped("Test"));
metricEvents.ResetCalls();
breaker.IsAllowing(); // Make another call, which should bail immediately (and not re-trip).
// Best way to test this right now is to make sure we don't fire a stat for the state change.
Assert.Equal(1, stats.ServicesAndStates.Count(ss => ss.Service == "mjolnir breaker Test" && ss.State == "Tripped"));
metricEvents.Verify(m => m.BreakerTripped(It.IsAny<string>()), Times.Never);
}