loggertesthelper.TestLoggerSink.Clear()
fakeMetricSender = fake.NewFakeMetricSender()
metricBatcher := metricbatcher.New(fakeMetricSender, time.Millisecond)
metrics.Initialize(fakeMetricSender, metricBatcher)
go func() {
reader.Start()
close(readerStopped)
}()
expectedLog := fmt.Sprintf("Listening on port %s", address)
Eventually(loggertesthelper.TestLoggerSink.LogContents).Should(ContainSubstring(expectedLog))
})
AfterEach(func() {
reader.Stop()
<-readerStopped
})
It("sends data recieved on UDP socket to its writer", func() {
expectedData := "Some Data"
otherData := "More stuff"
connection, err := net.Dial("udp", address)
_, err = connection.Write([]byte(expectedData))
Expect(err).NotTo(HaveOccurred())
Eventually(writer.Data).Should(HaveLen(1))
data := string(writer.Data()[0])
Expect(data).To(Equal(expectedData))
var (
writer *fakeWriter
dropsondeReader *networkreader.NetworkReader
)
BeforeEach(func() {
logger := loggertesthelper.Logger()
writer = &fakeWriter{}
mockBatcher := newMockEventBatcher()
mockChainer := newMockBatchCounterChainer()
testhelpers.AlwaysReturn(mockBatcher.BatchCounterOutput, mockChainer)
testhelpers.AlwaysReturn(mockChainer.SetTagOutput, mockChainer)
var err error
dropsondeUnmarshaller := eventunmarshaller.New(writer, mockBatcher, logger)
dropsondeReader, err = networkreader.New("127.0.0.1:37474", "dropsondeAgentListener", dropsondeUnmarshaller, logger)
Expect(err).NotTo(HaveOccurred())
})
Context("LinuxFileDescriptor", func() {
It("sends open file descriptor metrics", func() {
defer dropsondeReader.Stop()
go dropsondeReader.Start()
Eventually(func() uint64 { return atomic.LoadUint64(&writer.openFileDescriptors) }, 3).Should(BeNumerically("~", 15, 3))
})
})
})