Context("when finding the slave link fails", func() {
BeforeEach(func() {
slaveErr = errors.New("po-tah-toe")
})
It("wraps and returns the error", func() {
err := factory.SetMaster("slave", "master")
Expect(err).To(MatchError("failed to find slave: po-tah-toe"))
})
})
Context("when enslaving fails", func() {
BeforeEach(func() {
netlinker.LinkSetMasterReturns(errors.New("you're not a slave"))
})
It("returns a meaningful error", func() {
err := factory.SetMaster("slave", "master")
Expect(err).To(MatchError("failed to set master: you're not a slave"))
})
})
})
Describe("SetNamespace", func() {
var link netlink.Link
BeforeEach(func() {
link = &netlink.Dummy{}
netlinker.LinkByNameReturns(link, nil)