"os"
"sync"
)
// these tests need to be invoked individually from an external script,
// since environment variables need to be set/unset before starting the tests
var _ = Describe("Autowire End-to-End", func() {
Context("with DROPSONDE_ORIGIN set", func() {
var oldEnv string
BeforeEach(func() {
oldEnv = os.Getenv("DROPSONDE_ORIGIN")
os.Setenv("DROPSONDE_ORIGIN", "test-origin")
emitter, _ := autowire.CreateDefaultEmitter()
autowire.Initialize(emitter)
metrics.Initialize(metric_sender.NewMetricSender(autowire.AutowiredEmitter()))
})
AfterEach(func() {
os.Setenv("DROPSONDE_ORIGIN", oldEnv)
})
It("emits HTTP client/server events and heartbeats", func() {
udpListener, err := net.ListenPacket("udp4", ":3457")
Expect(err).ToNot(HaveOccurred())
defer udpListener.Close()
udpDataChan := make(chan []byte, 16)
receivedEvents := make(map[string]bool)
lock := sync.RWMutex{}
origin := os.Getenv("DROPSONDE_ORIGIN")
package metrics_test
import (
"github.com/cloudfoundry/dropsonde/autowire/metrics"
"github.com/cloudfoundry/dropsonde/metric_sender/fake"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Metrics", func() {
var fakeMetricSender *fake.FakeMetricSender
BeforeEach(func() {
fakeMetricSender = fake.NewFakeMetricSender()
metrics.Initialize(fakeMetricSender)
})
It("delegates SendValue", func() {
metrics.SendValue("metric", 42.42, "answers")
Expect(fakeMetricSender.GetValue("metric").Value).To(Equal(42.42))
Expect(fakeMetricSender.GetValue("metric").Unit).To(Equal("answers"))
})
It("delegates IncrementCounter", func() {
metrics.IncrementCounter("count")
Expect(fakeMetricSender.GetCounter("count")).To(BeEquivalentTo(1))
metrics.IncrementCounter("count")