linkFactory.HardwareAddressReturns(hwAddr, nil)
context = &fakes.Context{}
context.LinkFactoryReturns(linkFactory)
getHWAddress = &commands.GetHardwareAddress{
LinkName: "some-link-name",
}
})
It("gets the hardware address", func() {
err := getHWAddress.Execute(context)
Expect(err).NotTo(HaveOccurred())
Expect(linkFactory.HardwareAddressCallCount()).To(Equal(1))
Expect(linkFactory.HardwareAddressArgsForCall(0)).To(Equal("some-link-name"))
Expect(getHWAddress.Result).To(Equal(hwAddr))
})
Context("when getting the hardware address fails", func() {
BeforeEach(func() {
linkFactory.HardwareAddressReturns(nil, errors.New("boom"))
})
It("wraps and propogates the error", func() {
err := getHWAddress.Execute(context)
Expect(err).To(MatchError("get hardware address: boom"))
})
})