public void ParsesExpressionWithFunctionCall()
{
ExpressionParser parser = new ExpressionParser();
Expression parsed = parser.Parse("avg(event.name) > 2 && 4 > 3");
Expression expected = Expr.Avg("event.name") > 2 & Expr.Of(4) > 3;
Assert.Equal(expected.ToString(), parsed.ToString());
}
public void MultipleNestedExpressions()
{
Assert.Equal("(15.1 < 15.5 || (2 < 3 && avg(event.name) < 6))",
Expr.Of(15.1F).Lt(15.5).Or(
Expr.Of(2).Lt(3).And(
Expr.Avg("event.name").Lt(6)
)
).ToString());
}
public void MultipleNestedExpressions()
{
Assert.Equal("(15.1 < 15.5 || (2 < 3 && avg(event.name) < 6))",
(Expr.Of(15.1F) < 15.5 | (
Expr.Of(2) < 3 & (
Expr.Avg("event.name") < 6
)
)).ToString());
}
public void HoldsEventsForTheSpecifiedTimeSpan()
{
UnifiedEventSource ues = new UnifiedEventSource(new SwallowException());
IDateTimeProvider dateTimeProvider = new MockDateTimeProvider(new DateTime(2018, 01, 01, 00, 00, 30));
Resource origin = new Resource {
Location = "localhost", Name = nameof(TriggerProcessorTests)
};
TriggerProcessor tp = new TriggerProcessor(
TimeSpan.FromSeconds(15),
Expr.Avg("cpu.usage").Gte(15),
ues, dateTimeProvider
);
Assert.Empty(tp.InspectEventsUnderMonitoring());
//ignore
tp.Receive(new Event {
Name = "cpu.usage",
Value = 2,
Origin = origin,
TimestampUtc = new DateTime(2018, 01, 01, 00, 00, 00)
});
//ignore
tp.Receive(new Event
{
Name = "cpu.usage",
Value = 3,
Origin = origin,
TimestampUtc = new DateTime(2018, 01, 01, 00, 00, 01)
});
//ignore
tp.Receive(new Event
{
Name = "cpu.usage",
Value = 7,
Origin = origin,
TimestampUtc = new DateTime(2018, 01, 01, 00, 00, 7)
});
Assert.Empty(tp.InspectEventsUnderMonitoring());
//accept
tp.Receive(new Event
{
Name = "cpu.usage",
Value = 7,
Origin = origin,
TimestampUtc = new DateTime(2018, 01, 01, 00, 00, 16)
});
var currentEvents = tp.InspectEventsUnderMonitoring();
Assert.True(currentEvents.Count == 1);
}
public void FunctionCallProducesCorrectString()
{
Assert.Equal("avg(event.name) == 15.5", Expr.Avg("event.name").Eq(15.5F).ToString());
}