ID: id.GraphID(),
Parent: parent.GraphID(),
Size: size[id],
}, nil
}
return &image.Image{
Size: size[id],
}, nil
}
fakeCake.IsLeafStub = func(id layercake.ID) (bool, error) {
for _, p := range child2parent {
if p == id {
return false, nil
}
}
return true, nil
}
fakeCake.RemoveStub = func(id layercake.ID) error {
delete(child2parent, id)
return nil
}
child2parent = make(map[layercake.ID]layercake.ID)
size = make(map[layercake.ID]int64)
})
JustBeforeEach(func() {
})
AfterEach(func() {
Expect(os.RemoveAll(parentDir)).To(Succeed())
Expect(os.RemoveAll(namespacedChildDir)).To(Succeed())
})
JustBeforeEach(func() {
cake.IsLeafStub = func(id layercake.ID) (bool, error) {
if id == parentID {
// as far as docker is concerned, this is a leaf, since docker
// knows nothing about the namespaced child.
return true, nil
}
if id == namespacedChildID {
// as far as docker knows, the namespaced child has no relatives of
// any kind
return true, nil
}
// docker knows nothing about any other layers
return false, testError
}
Expect(aufsCake.Create(namespacedChildID, parentID, "")).To(Succeed())
})
It("should be a leaf", func() {
isLeaf, err := aufsCake.IsLeaf(namespacedChildID)
Expect(err).NotTo(HaveOccurred())
Expect(isLeaf).To(BeTrue())