public void GetSnapshot_WithinCachePeriod_ReturnsPreviousSnapshot()
{
var clock = new ManualTestClock();
// Within the metrics, the last snapshot timestamp will probably be zero.
// Let's start our clock with something far away from zero.
clock.AddMilliseconds(new SystemClock().GetMillisecondTimestamp());
var metrics = new StandardCommandMetrics(
GroupKey.Named("Test"),
new TransientConfigurableValue <long>(10000),
new TransientConfigurableValue <long>(1000),
clock,
new IgnoringStats());
metrics.MarkCommandSuccess();
metrics.GetSnapshot(); // Take the first snapshot to cache it.
metrics.MarkCommandSuccess();
clock.AddMilliseconds(500); // Still within the snapshot TTL (1000).
Assert.Equal(1, metrics.GetSnapshot().Total);
clock.AddMilliseconds(1000); // Push time past the TTL.
Assert.Equal(2, metrics.GetSnapshot().Total);
}
public void MarkCommandSuccess_BeforeFirstSnapshot_GetsIncludedInSnapshot()
{
var metrics = new StandardCommandMetrics(
GroupKey.Named("Test"),
new TransientConfigurableValue <long>(30000),
new TransientConfigurableValue <long>(1000),
new IgnoringStats());
metrics.MarkCommandSuccess();
var snapshot = metrics.GetSnapshot();
Assert.Equal(1, snapshot.Total);
Assert.Equal(0, snapshot.ErrorPercentage);
}
public void GetSnapshot_WithinCachePeriod_ReturnsPreviousSnapshot()
{
var clock = new ManualTestClock();
var key = AnyGroupKey;
var mockConfig = new Mock <IFailurePercentageCircuitBreakerConfig>(MockBehavior.Strict);
mockConfig.Setup(m => m.GetWindowMillis(key)).Returns(10000);
mockConfig.Setup(m => m.GetSnapshotTtlMillis(key)).Returns(1000);
// Within the metrics, the last snapshot timestamp will probably be zero.
// Let's start our clock with something far away from zero.
clock.AddMilliseconds(new UtcSystemClock().GetMillisecondTimestamp());
var metrics = new StandardCommandMetrics(key, mockConfig.Object, clock, new DefaultMjolnirLogFactory());
metrics.MarkCommandSuccess();
metrics.GetSnapshot(); // Take the first snapshot to cache it.
metrics.MarkCommandSuccess();
clock.AddMilliseconds(500); // Still within the snapshot TTL (1000).
Assert.Equal(1, metrics.GetSnapshot().Total);
clock.AddMilliseconds(1000); // Push time past the TTL.
Assert.Equal(2, metrics.GetSnapshot().Total);
}
public void MarkCommandSuccess_BeforeFirstSnapshot_GetsIncludedInSnapshot()
{
var key = AnyGroupKey;
var mockConfig = new Mock <IFailurePercentageCircuitBreakerConfig>(MockBehavior.Strict);
mockConfig.Setup(m => m.GetWindowMillis(key)).Returns(30000);
mockConfig.Setup(m => m.GetSnapshotTtlMillis(key)).Returns(1000);
var metrics = new StandardCommandMetrics(key, mockConfig.Object, new DefaultMjolnirLogFactory());
metrics.MarkCommandSuccess();
var snapshot = metrics.GetSnapshot();
Assert.Equal(1, snapshot.Total);
Assert.Equal(0, snapshot.ErrorPercentage);
}
private MetricsSnapshot SnapshotFor(int success, int failure)
{
var metrics = new StandardCommandMetrics(
GroupKey.Named("Test"),
new TransientConfigurableValue <long>(10000),
new TransientConfigurableValue <long>(0),
new IgnoringStats()); // Don't cache snapshots.
for (var i = 0; i < success; i++)
{
metrics.MarkCommandSuccess();
}
for (var i = 0; i < failure; i++)
{
metrics.MarkCommandFailure();
}
return(metrics.GetSnapshot());
}
private MetricsSnapshot SnapshotFor(int success, int failure)
{
var key = AnyGroupKey;
var mockConfig = new Mock <IFailurePercentageCircuitBreakerConfig>(MockBehavior.Strict);
mockConfig.Setup(m => m.GetWindowMillis(key)).Returns(10000);
mockConfig.Setup(m => m.GetSnapshotTtlMillis(key)).Returns(0); // Don't cache snapshots.
var metrics = new StandardCommandMetrics(key, mockConfig.Object, new DefaultMjolnirLogFactory());
for (var i = 0; i < success; i++)
{
metrics.MarkCommandSuccess();
}
for (var i = 0; i < failure; i++)
{
metrics.MarkCommandFailure();
}
return(metrics.GetSnapshot());
}