private void StartFunctionUsageProjection()
{
var eventName = nameof(CalculatorActor.CalculationPerformed);
StartProjection(eventName,
KnownProjectionsNames.FunctionUsage,
nameof(FunctionsUsageProjector),
FunctionUsageFlow.Instance,
FunctionUsageSink.Create(Context, eventName));
}
public async Task Given_sink_When_pushing_events_to_it_Then_they_should_be_projected()
{
var dep = Init(nameof(FunctionUsageSinkTests) +
nameof(Given_sink_When_pushing_events_to_it_Then_they_should_be_projected));
var now = DateTimeOffset.Now;
var source = Source.From(new[]
{
new Sequenced <CalculatorActor.CalculationPerformed>
{
Message = new CalculatorActor.CalculationPerformed("CalcA", "1+1", null, new[] { "myFunc" }),
Sequence = 13
},
new Sequenced <CalculatorActor.CalculationPerformed>
{
Message = new CalculatorActor.CalculationPerformed("CalcA", "1+1", null, new[] { "myFunc" }),
Sequence = 14
},
new Sequenced <CalculatorActor.CalculationPerformed>
{
Message = new CalculatorActor.CalculationPerformed("CalcA", "1+2", null, new[] { "addition" }),
Sequence = 15
}
});
var sink = FunctionUsageSink.Create(Sys, "testEvent");
source.RunWith(sink, Sys.Materializer());
await Task.Delay(3000);
var projection = dep.CreateFindProjectionQuery().Execute(KnownProjectionsNames.FunctionUsage,
nameof(FunctionsUsageProjector), "testEvent");
Assert.NotNull(projection);
var projectedData = await new FunctionsUsageQuery(dep.CreateFunctionUsageContext()).Execute("CalcA");
projectedData.Should().BeEquivalentTo(
new FunctionUsage
{
FunctionName = "myFunc", CalculatorName = "CalcA", InvocationsCount = 2,
Period = TimeSpan.FromMinutes(1), PeriodEnd = now.ToMinutePeriodEnd(),
PeriodStart = now.ToMinutePeriodBegin()
},
new FunctionUsage
{
FunctionName = "addition", CalculatorName = "CalcA", InvocationsCount = 1,
Period = TimeSpan.FromMinutes(1), PeriodEnd = now.ToMinutePeriodEnd(),
PeriodStart = now.ToMinutePeriodBegin()
}
);
}