Golang SinkManagerMetrics.Emit示例

示例#1

	"loggregator/sinks"
	"loggregator/sinkserver/metrics"
)

var _ = Describe("SinkManagerMetrics", func() {

	var sinkManagerMetrics *metrics.SinkManagerMetrics
	var sink sinks.Sink

	BeforeEach(func() {
		sinkManagerMetrics = metrics.NewSinkManagerMetrics()
	})

	It("Should have metrics for dump sinks", func() {

		Expect(sinkManagerMetrics.Emit().Metrics[0].Name).To(Equal("numberOfDumpSinks"))
		Expect(sinkManagerMetrics.Emit().Metrics[0].Value).To(Equal(0))
		Expect(sinkManagerMetrics.Emit().Metrics[1].Value).To(Equal(0))
		Expect(sinkManagerMetrics.Emit().Metrics[2].Value).To(Equal(0))

		sink = &dump.DumpSink{}
		sinkManagerMetrics.Inc(sink)

		Expect(sinkManagerMetrics.Emit().Metrics[0].Value).To(Equal(1))
		Expect(sinkManagerMetrics.Emit().Metrics[1].Value).To(Equal(0))
		Expect(sinkManagerMetrics.Emit().Metrics[2].Value).To(Equal(0))

		sinkManagerMetrics.Dec(sink)

		Expect(sinkManagerMetrics.Emit().Metrics[0].Value).To(Equal(0))
		Expect(sinkManagerMetrics.Emit().Metrics[1].Value).To(Equal(0))