func GetLoad1() float64 {
concreteSigar := sigar.ConcreteSigar{}
avg, err := concreteSigar.GetLoadAverage()
if err != nil {
log.Debug("Failed to get load average")
return -1
}
return avg.One
}
It("does not block", func() {
_, stop := concreteSigar.CollectCPUStats(10 * time.Millisecond)
// Sleep long enough for samplesCh to fill at least 2 values
time.Sleep(20 * time.Millisecond)
stop <- struct{}{}
// If CollectCPUStats blocks it will never get here
Expect(true).To(BeTrue())
})
})
It("GetLoadAverage", func() {
avg, err := concreteSigar.GetLoadAverage()
Expect(avg.One).ToNot(BeNil())
Expect(avg.Five).ToNot(BeNil())
Expect(avg.Fifteen).ToNot(BeNil())
Expect(err).ToNot(HaveOccurred())
})
It("GetMem", func() {
mem, err := concreteSigar.GetMem()
Expect(err).ToNot(HaveOccurred())
Expect(mem.Total).To(BeNumerically(">", 0))
Expect(mem.Used + mem.Free).To(BeNumerically("<=", mem.Total))
})