Expect(ioutil.WriteFile(path.Join(tmp, "a", "test", "file"), []byte(""), 0700)).To(Succeed())
_, err = fetcher.Fetch(&url.URL{Path: symlinkDir}, 0)
Expect(err).NotTo(HaveOccurred())
})
})
Context("when the path does not exist", func() {
It("returns an error", func() {
_, err := fetcher.Fetch(&url.URL{Path: "does-not-exist"}, 0)
Expect(err).To(HaveOccurred())
})
It("doesn't try to register anything in the graph", func() {
fetcher.Fetch(&url.URL{Path: "does-not-exist"}, 0)
Expect(fakeCake.RegisterCallCount()).To(Equal(0))
})
})
Context("when registering fails", func() {
BeforeEach(func() {
fakeCake.RegisterStub = func(image *image.Image, layer archive.ArchiveReader) error {
return errors.New("sold out")
}
})
It("returns a wrapped error", func() {
_, err := fetcher.Fetch(&url.URL{Path: tmpDir}, 0)
Expect(err).To(MatchError("repository_fetcher: fetch local rootfs: register rootfs: sold out"))
})
})
