return slave, slaveErr
default:
return nil, errors.New("unknown")
}
}
})
It("sets the slave's master", func() {
err := factory.SetMaster("slave", "master")
Expect(err).NotTo(HaveOccurred())
Expect(netlinker.LinkByNameCallCount()).To(Equal(2))
Expect(netlinker.LinkByNameArgsForCall(0)).To(Equal("master"))
Expect(netlinker.LinkByNameArgsForCall(1)).To(Equal("slave"))
Expect(netlinker.LinkSetMasterCallCount()).To(Equal(1))
s, m := netlinker.LinkSetMasterArgsForCall(0)
Expect(s).To(Equal(slave))
Expect(m).To(Equal(master))
})
Context("when finding the master link fails", func() {
BeforeEach(func() {
masterErr = errors.New("potato")
})
It("wraps and returns the error", func() {
err := factory.SetMaster("slave", "master")
Expect(err).To(MatchError("failed to find master: potato"))
})
})