Expect(err).To(MatchError("veth device count: tomato")) }) }) }) Describe("Teardown", func() { It("tears down the sandbox", func() { err := sb.Teardown() Expect(err).NotTo(HaveOccurred()) }) It("stops the arp miss monitor", func() { err := sb.Teardown() Expect(err).NotTo(HaveOccurred()) Expect(watcher.StopMonitorCallCount()).To(Equal(1)) targetNS := watcher.StopMonitorArgsForCall(0) Expect(targetNS).To(Equal(sbNamespace)) }) Context("when the DNS server has been launched", func() { var process *fakes.Process BeforeEach(func() { process = &fakes.Process{} invoker.InvokeReturns(process) runner := &fakes.Runner{} err := sb.LaunchDNS(runner) Expect(err).NotTo(HaveOccurred()) })