Expect(os.RemoveAll(root)).To(Succeed())
})
Describe("Register", func() {
Context("after registering a layer", func() {
var id layercake.ID
var parent layercake.ID
BeforeEach(func() {
id = layercake.ContainerID("")
parent = layercake.ContainerID("")
})
ItCanReadWriteTheLayer := func() {
It("can read and write files", func() {
p, err := cake.Path(id)
Expect(err).NotTo(HaveOccurred())
Expect(ioutil.WriteFile(path.Join(p, "foo"), []byte("hi"), 0700)).To(Succeed())
p, err = cake.Path(id)
Expect(err).NotTo(HaveOccurred())
Expect(path.Join(p, "foo")).To(BeAnExistingFile())
})
It("can get back the image", func() {
img, err := cake.Get(id)
Expect(err).NotTo(HaveOccurred())
Expect(img.ID).To(Equal(id.GraphID()))
Expect(img.Parent).To(Equal(parent.GraphID()))
})
}
