var err error tmpFile, err = ioutil.TempFile(tmpDir, "tmp_file") Expect(err).NotTo(HaveOccurred()) Expect(ioutil.WriteFile(tmpFile.Name(), []byte("some contents"), 0600)).To(Succeed()) }) AfterEach(func() { tmpFile.Close() Expect(os.Remove(tmpFile.Name())).To(Succeed()) }) It("uploads the file to the bucket", func() { Expect(dropletRunner.UploadBits("droplet-name", tmpFile.Name())).To(Succeed()) Expect(fakeBlobStore.UploadCallCount()).To(Equal(1)) path, _ := fakeBlobStore.UploadArgsForCall(0) Expect(path).To(Equal("droplet-name/bits.zip")) }) It("returns an error when we fail to open the droplet bits", func() { err := dropletRunner.UploadBits("droplet-name", "some non-existent file") Expect(reflect.TypeOf(err).String()).To(Equal("*os.PathError")) }) It("returns an error when the upload fails", func() { fakeBlobStore.UploadReturns(errors.New("some error")) err := dropletRunner.UploadBits("droplet-name", tmpFile.Name()) Expect(err).To(MatchError("some error")) })