err := container.LimitMemory(garden.MemoryLimits{
LimitInBytes: 102400,
})
Expect(err).To(MatchError("banana"))
})
})
})
Describe("Getting the current memory limit", func() {
It("returns the limited memory", func() {
fakeCgroups.WhenGetting("memory", "memory.limit_in_bytes", func() (string, error) {
return "18446744073709551615", nil
})
limits, err := container.CurrentMemoryLimits()
Expect(err).ToNot(HaveOccurred())
Expect(limits.LimitInBytes).To(Equal(uint64(math.MaxUint64)))
})
Context("when getting the limit fails", func() {
It("returns the error", func() {
disaster := errors.New("oh no!")
fakeCgroups.WhenGetting("memory", "memory.limit_in_bytes", func() (string, error) {
return "", disaster
})
_, err := container.CurrentMemoryLimits()
Expect(err).To(Equal(disaster))
})
})