public void Monitor_should_ping_endpoint_with_regular_intervals(int delayInMs, int intervalInMs, int expectedIntervalInMs)
{
_endpointRegistry.RegisterOrUpdate(_testableHealthMonitor.Name, "address", "group", "name");
_testableHealthMonitor.Delay = TimeSpan.FromMilliseconds(delayInMs);
_testableHealthMonitor.StartWatch();
var interval = TimeSpan.FromMilliseconds(intervalInMs);
var settings = MonitorSettingsHelper.ConfigureSettings(interval);
using (new EndpointMonitor(_endpointRegistry, new HealthSampler(settings, new Mock <IEndpointStatsManager>().Object), settings))
{
WaitForAnyCall();
Thread.Sleep(TimeSpan.FromMilliseconds(expectedIntervalInMs * 5));
}
var intervals = _testableHealthMonitor.Calls.Select(c => c.Item2).ToArray();
Assert.True(intervals.Length > 1, "There should be more than 1 calls");
for (int i = 1; i < intervals.Length; ++i)
{
var diff = intervals[i] - intervals[i - 1];
var margin = TimeSpan.FromMilliseconds(50);
var expected = TimeSpan.FromMilliseconds(expectedIntervalInMs);
Assert.True((diff - expected).Duration() < margin, string.Format("Expected interval {0}ms ~ {1}ms, got {2}ms", expected.TotalMilliseconds, margin.TotalMilliseconds, diff.TotalMilliseconds));
}
}
public void Monitor_should_start_checking_the_health_of_endpoints_until_disposed()
{
var endpoint1 = _endpointRegistry.RegisterOrUpdate(_testableHealthMonitor.Name, "address1", "group", "name");
_endpointRegistry.RegisterOrUpdate(_testableHealthMonitor.Name, "address2", "group", "name");
_testableHealthMonitor.StartWatch();
var delay = TimeSpan.FromMilliseconds(400);
var statsManager = new Mock <IEndpointStatsManager>();
var settings = MonitorSettingsHelper.ConfigureSettings(TimeSpan.FromMilliseconds(50));
using (new EndpointMonitor(_endpointRegistry, new HealthSampler(settings, statsManager.Object), settings))
{
WaitForAnyCall();
_endpointRegistry.RegisterOrUpdate(_testableHealthMonitor.Name, "address3", "group", "name");
Thread.Sleep(delay);
_endpointRegistry.TryUnregisterById(endpoint1);
Thread.Sleep(delay);
}
var afterStop = _testableHealthMonitor.Calls.Count();
Thread.Sleep(delay);
var afterDelay = _testableHealthMonitor.Calls.Count();
Assert.Equal(afterStop, afterDelay);
var a1 = _testableHealthMonitor.Calls.Where(c => c.Item1 == "address1").ToArray();
var a2 = _testableHealthMonitor.Calls.Where(c => c.Item1 == "address2").ToArray();
var a3 = _testableHealthMonitor.Calls.Where(c => c.Item1 == "address3").ToArray();
Assert.True(a1.Length > 1, string.Format("Expected more than 1 check of address1, got: {0}", a1.Length));
Assert.True(a1.Length < a2.Length, string.Format("Expected less checks of address1 than address 2, got: address1={0}, address2={1}", a1.Length, a2.Length));
Assert.True(a3.Length > 1, string.Format("Expected more than 1 check of address3, got: {0}", a3.Length));
}
private EndpointMonitor CreateEndpointMonitor(TimeSpan checkInterval)
{
var settings = MonitorSettingsHelper.ConfigureSettings(checkInterval);
return(new EndpointMonitor(_endpointRegistry, new MockSampler(), settings, _mockTimeCoordinator.Object));
}