})
It("does not change the container's state", func() {
Expect(container.State()).To(Equal(linux_backend.StateBorn))
err := container.Stop(false)
Expect(err).To(HaveOccurred())
Expect(container.State()).To(Equal(linux_backend.StateBorn))
})
})
Context("when the container has an oom notifier running", func() {
JustBeforeEach(func() {
err := container.LimitMemory(garden.MemoryLimits{
LimitInBytes: 42,
})
Expect(err).ToNot(HaveOccurred())
})
It("stops it", func() {
err := container.Stop(false)
Expect(err).ToNot(HaveOccurred())
Expect(fakeOomWatcher.UnwatchCallCount()).To(Equal(1))
})
})
})
Describe("Cleaning up", func() {
receivedLimits, err := container.CurrentBandwidthLimits()
Expect(err).ToNot(HaveOccurred())
Expect(receivedLimits).To(BeZero())
})
})
})
})
Describe("Limiting memory", func() {
It("starts the oom notifier", func() {
limits := garden.MemoryLimits{
LimitInBytes: 102400,
}
err := container.LimitMemory(limits)
Expect(err).ToNot(HaveOccurred())
Expect(fakeOomWatcher.WatchCallCount()).To(Equal(1))
})
It("sets memory.limit_in_bytes and then memory.memsw.limit_in_bytes", func() {
limits := garden.MemoryLimits{
LimitInBytes: 102400,
}
err := container.LimitMemory(limits)
Expect(err).ToNot(HaveOccurred())
Expect(fakeCgroups.SetValues()).To(Equal(
[]fake_cgroups_manager.SetValue{
Expect(snapshot.Properties).To(Equal(garden.Properties(map[string]string{
"property-name": "property-value",
})))
Expect(snapshot.EnvVars).To(Equal([]string{"env1=env1Value", "env2=env2Value"}))
})
Context("with limits set", func() {
JustBeforeEach(func() {
fakeOomWatcher.WatchStub = func(onOom func()) error {
onOom()
return nil
}
err := container.LimitMemory(memoryLimits)
Expect(err).ToNot(HaveOccurred())
Eventually(container.Events).Should(ContainElement("out of memory"))
Eventually(container.State).Should(Equal(linux_backend.StateStopped))
err = container.LimitDisk(diskLimits)
Expect(err).ToNot(HaveOccurred())
err = container.LimitBandwidth(bandwidthLimits)
Expect(err).ToNot(HaveOccurred())
err = container.LimitCPU(cpuLimits)
Expect(err).ToNot(HaveOccurred())
})