})
Context("when finding the link fails", func() {
BeforeEach(func() {
netlinker.LinkByNameReturns(nil, errors.New("can't find it"))
})
It("returns the error", func() {
err := factory.DeleteLinkByName("test-link")
Expect(err).To(MatchError("can't find it"))
})
})
Context("when setting the link up fails", func() {
BeforeEach(func() {
netlinker.LinkSetUpReturns(errors.New("I've fallen and I can't get up"))
})
It("returns a meaningful error", func() {
err := factory.SetUp("my-link")
Expect(err).To(MatchError("failed to set link up: I've fallen and I can't get up"))
})
})
})
Describe("ListLinks", func() {
var link1, link2 netlink.Link
BeforeEach(func() {
link1 = &netlink.Dummy{}
link2 = &netlink.Veth{}