err := retryableBlobstore.CleanUp("/some/file")
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-clean-up-error"))
})
})
Describe("Delete", func() {
It("delegates to inner blobstore to clean up", func() {
err := retryableBlobstore.Delete("some-blob")
Expect(err).ToNot(HaveOccurred())
Expect(innerBlobstore.DeleteBlobID).To(Equal("some-blob"))
})
It("returns error if inner blobstore cleaning up fails", func() {
innerBlobstore.DeleteErr = errors.New("fake-clean-up-error")
err := retryableBlobstore.Delete("/some/file")
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("fake-clean-up-error"))
})
})
Describe("Create", func() {
Context("when inner blobstore succeeds before maximum number of create tries (first time)", func() {
It("returns blobID and fingerprint without an error", func() {
innerBlobstore.CreateBlobID = "fake-blob-id"
innerBlobstore.CreateFingerprint = "fake-fingerprint"
blobID, fingerprint, err := retryableBlobstore.Create("fake-file-name")
Expect(err).ToNot(HaveOccurred())
It("returns an error if the inner blobstore fails to validate", func() {
innerBlobstore.ValidateError = errors.New("error validating")
err := cascadingBlobstore.Validate()
Expect(err).ToNot(BeNil())
Expect(err.Error()).To(Equal("error validating"))
})
})
Describe("Delete", func() {
It("deletes the blob from the blobManager, and calls Delete on inner blobstore", func() {
blobID := "smurf-25"
blobManager.DeleteReturns(nil)
innerBlobstore.DeleteErr = nil
err := cascadingBlobstore.Delete(blobID)
Expect(err).To(BeNil())
Expect(blobManager.DeleteCallCount()).To(Equal(1))
Expect(blobManager.DeleteArgsForCall(0)).To(Equal(blobID))
Expect(innerBlobstore.DeleteBlobID).To(Equal(blobID))
})
It("returns an error if blobManager returns an error when deleting", func() {
blobID := "smurf-28"
blobManager.DeleteReturns(errors.New("error deleting in blobManager"))