})
Describe("Execute", func() {
It("it calls StartMonitor inside the HostNamespace", func() {
hostNS.ExecuteStub = func(callback func(_ *os.File) error) error {
Expect(fakeWatcher.StartMonitorCallCount()).To(Equal(0))
callback(nil)
Expect(fakeWatcher.StartMonitorCallCount()).To(Equal(1))
return nil
}
err := startMonitor.Execute(context)
Expect(err).NotTo(HaveOccurred())
Expect(sandboxRepository.GetCallCount()).To(Equal(1))
Expect(sandboxRepository.GetArgsForCall(0)).To(Equal("some-sandbox"))
Expect(hostNS.ExecuteCallCount()).To(Equal(1))
ns, linkName := fakeWatcher.StartMonitorArgsForCall(0)
Expect(ns).To(Equal(sandboxNS))
Expect(linkName).To(Equal("some-vxlan-name"))
})
Context("when getting the sandbox namespace fails", func() {
BeforeEach(func() {
sandboxRepository.GetReturns(nil, errors.New("potato"))
})
It("wraps and propogates the error", func() {
sboxFile, err = ioutil.TempFile(sboxNamespaceDir, "test")
sboxFileName = path.Base(sboxFile.Name())
Expect(err).NotTo(HaveOccurred())
namespaceRepo.GetReturns(sboxNamespace, nil)
})
It("reads in files from the sanboxNamespaceDir into memory", func() {
sbox, err := sandboxRepo.Get(sboxFileName)
Expect(err).To(Equal(sandbox.NotFoundError))
Expect(sbox).To(BeNil())
err = sandboxRepo.Load(sboxNamespaceDir)
Expect(err).NotTo(HaveOccurred())
Expect(namespaceRepo.GetCallCount()).To(Equal(1))
Expect(namespaceRepo.GetArgsForCall(0)).To(Equal(sboxFileName))
sbox, err = sandboxRepo.Get(sboxFileName)
Expect(err).NotTo(HaveOccurred())
Expect(sbox).NotTo(BeNil())
})
It("locks and unlocks", func() {
err := sandboxRepo.Load(sboxNamespaceDir)
Expect(err).NotTo(HaveOccurred())
Expect(locker.LockCallCount()).To(Equal(1))
Expect(locker.UnlockCallCount()).To(Equal(1))
})