public void Start_WithNoHeartbeat_ThrowsArgumentNullException()
{
var client = new MockSensuClient();
_sut = new Pacemaker(client);
Assert.Throws <ArgumentNullException>(() => _sut.Start(null));
}
public void Stop_WhenNotStarted_DoesNothing()
{
var client = new MockSensuClient();
_sut = new Pacemaker(client);
_sut.Stop();
}
public void Start_WithValidHeartbeat_Sends1stMessageWithin5ms()
{
var client = new MockSensuClient();
_sut = new Pacemaker(client);
_sut.Start(new Heartbeat("testApp"));
Thread.Sleep(5);
Assert.NotEmpty(client.Messages);
}
public void Send_OnIHaveMeta_DoesCallEnrichMessage()
{
ISensuEnricher enricher = new HostInfoEnricher();
var sut = new MockSensuClient();
sut.EnrichWith(enricher);
sut.Send(new Ok("app_name", "some_metric"));
Assert.True(sut.Enriched);
}
public void Send_OnNotIHaveMeta_DoesNotCallEnrichMessage()
{
ISensuEnricher enricher = new HostInfoEnricher();
var sut = new MockSensuClient();
sut.EnrichWith(enricher);
sut.Send(new {});
Assert.False(sut.Enriched);
}
public void Start_WithPeriodOf1sec_Sends2MessagesIn2sec()
{
var client = new MockSensuClient();
_sut = new Pacemaker(client);
_sut.Start(new Heartbeat("testApp", 1));
Thread.Sleep(1900);
_sut.Stop();
Assert.Equal(2, client.Messages.Count);
}
public void Heartbeat_WithNoParameters_SendsHeartbeat()
{
var client = new MockSensuClient();
var sut = new SensuMonitor(client, "testApp");
sut.Heartbeat();
var message = client.Messages.First();
Assert.IsType <Heartbeat>(message);
}
public void Error_WithNoParameters_SendsAppError()
{
var client = new MockSensuClient();
var sut = new SensuMonitor(client, "testApp");
sut.Error("some_dependency");
var message = client.Messages.First();
Assert.IsType <Error>(message);
}
public void Heartbeat_WithPeriod5_SetsTtlTo5()
{
var client = new MockSensuClient();
var sut = new SensuMonitor(client, "testApp");
sut.Heartbeat(period: 5);
var message = client.Messages.First() as Heartbeat;
Assert.Equal(5, message.Ttl);
}
public void Heartbeat_WithNoParameters_SetsTtlTo60()
{
var client = new MockSensuClient();
var sut = new SensuMonitor(client, "testApp");
sut.Heartbeat();
var message = client.Messages.First() as Heartbeat;
Assert.Equal(60, message.Ttl);
}
public void EnrichWith_WithAnEnricher_AddsEnricherToClient()
{
ISensuEnricher enricher = new HostInfoEnricher();
var sut = new MockSensuClient();
sut.EnrichWith(enricher);
var enrichers = sut.GetEnrichers();
Assert.Contains(enricher, enrichers);
}
public void Stop_WhileHeardbeatRunning_StopsHeartbeat()
{
var client = new MockSensuClient();
_sut = new Pacemaker(client);
_sut.Start(new Heartbeat("testApp", 1));
Thread.Sleep(5);
_sut.Stop();
Thread.Sleep(2000);
Assert.Equal(1, client.Messages.Count);
}
public void Heartbeat_WithOutput_SetsOutputOnHeartbeat()
{
var text = "text";
var client = new MockSensuClient();
var sut = new SensuMonitor(client, "testApp");
sut.Heartbeat(message: text);
var message = client.Messages.First() as Heartbeat;
Assert.Equal(text, message.Output);
}
public void EnrichMessage_OnIHaveMeta_AddsMeta()
{
ISensuEnricher enricher = new HostInfoEnricher();
var sut = new MockSensuClient();
sut.EnrichWith(enricher);
var message = new Ok("app_name", "some_metric");
sut.Send(message);
Assert.True(message.Meta.ContainsKey("host_name"));
}