context = &fakes.Context{}
linkFactory = &fakes.LinkFactory{}
context.LinkFactoryReturns(linkFactory)
createVxlan = commands.CreateVxlan{
Name: "my-vxlan",
VNI: 99,
}
})
It("uses the factory to create the adapter", func() {
err := createVxlan.Execute(context)
Expect(err).NotTo(HaveOccurred())
Expect(linkFactory.CreateVxlanCallCount()).To(Equal(1))
name, vni := linkFactory.CreateVxlanArgsForCall(0)
Expect(name).To(Equal("my-vxlan"))
Expect(vni).To(Equal(99))
})
Context("when creating the vxlan link fails", func() {
BeforeEach(func() {
linkFactory.CreateVxlanReturns(errors.New("no vxlan for you"))
})
It("wraps and propagates the error", func() {
err := createVxlan.Execute(context)
Expect(err).To(MatchError("create vxlan: no vxlan for you"))
})
})