Ω(err).Should(Equal(disaster)) }) }) }) Describe("CurrentMemoryLimits", func() { It("sends an empty limit request and returns its response", func() { limitsToReturn := warden.MemoryLimits{ LimitInBytes: 1, } fakeConnection.WhenLimitingMemory = func(handle string, limits warden.MemoryLimits) (warden.MemoryLimits, error) { return limitsToReturn, nil } limits, err := container.CurrentMemoryLimits() Ω(err).ShouldNot(HaveOccurred()) Ω(limits).Should(Equal(limitsToReturn)) }) Context("when the request fails", func() { disaster := errors.New("oh no!") BeforeEach(func() { fakeConnection.WhenLimitingMemory = func(handle string, limits warden.MemoryLimits) (warden.MemoryLimits, error) { return warden.MemoryLimits{}, disaster } }) It("returns the error", func() {