"github.com/cloudfoundry/dropsonde/envelopes"
"github.com/gogo/protobuf/proto"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("ValueMetricSender", func() {
var (
fakeEventEmitter *fake.FakeEventEmitter
)
BeforeEach(func() {
fakeEventEmitter = fake.NewFakeEventEmitter("MonitorTest")
envelopes.Initialize(envelope_sender.NewEnvelopeSender(fakeEventEmitter))
})
AfterEach(func() {
fakeEventEmitter.Close()
})
It("emits bosh metrics", func() {
valueMetricSender := valuemetricsender.NewValueMetricSender()
timeInSeconds := time.Now().Unix()
valueMetricSender.SendValueMetric("some-deployment", "some-job", "some-index", "some-event-name", timeInSeconds, 1.23, "some-unit")
Eventually(fakeEventEmitter.GetEnvelopes()).Should(HaveLen(1))
Expect(fakeEventEmitter.GetEnvelopes()[0].Origin).Should(Equal(proto.String(valuemetricsender.ForwarderOrigin)))
Expect(fakeEventEmitter.GetEnvelopes()[0].ValueMetric).ShouldNot(BeNil())
Expect(fakeEventEmitter.GetEnvelopes()[0].Timestamp).ShouldNot(Equal(timeInSeconds * int64(time.Second)))
})
})
emitter *fake.FakeEventEmitter
sender envelope_sender.EnvelopeSender
envOrigin string
)
BeforeEach(func() {
envOrigin = "original-origin"
emitter = fake.NewFakeEventEmitter("origin")
sender = envelope_sender.NewEnvelopeSender(emitter)
})
It("sends an Envelope to its emitter", func() {
err := sender.SendEnvelope(createTestEnvelope(envOrigin))
Expect(err).NotTo(HaveOccurred())
Expect(emitter.GetEnvelopes()).To(HaveLen(1))
envelope := emitter.GetEnvelopes()[0]
metric := envelope.ValueMetric
Expect(metric.GetName()).To(Equal("metric-name"))
Expect(metric.GetValue()).To(BeNumerically("==", 42))
Expect(metric.GetUnit()).To(Equal("answers"))
Expect(envelope.Origin).To(Equal(proto.String(envOrigin)))
})
It("returns an error if it can't send metric value", func() {
emitter.ReturnError = errors.New("some error")
err := sender.SendEnvelope(createTestEnvelope(envOrigin))
Expect(emitter.GetMessages()).To(HaveLen(0))
Expect(err.Error()).To(Equal("some error"))
})
