It("adds a veth link with the appropriate names and MTU", func() {
_, _, err := factory.CreateVethPair("container", "host", 999)
Expect(err).NotTo(HaveOccurred())
Expect(netlinker.LinkAddCallCount()).To(Equal(1))
veth, ok := netlinker.LinkAddArgsForCall(0).(*netlink.Veth)
Expect(ok).To(BeTrue())
Expect(veth.Attrs().Name).To(Equal("host"))
Expect(veth.Attrs().MTU).To(Equal(999))
Expect(veth.PeerName).To(Equal("container"))
})
It("retrieves the host link data after creating the pair", func() {
netlinker.LinkByNameStub = func(_ string) (netlink.Link, error) {
Expect(netlinker.LinkAddCallCount()).To(Equal(1))
return &netlink.Veth{}, nil
}
_, _, err := factory.CreateVethPair("container", "host", 999)
Expect(err).NotTo(HaveOccurred())
Expect(netlinker.LinkByNameCallCount()).To(Equal(1))
Expect(netlinker.LinkByNameArgsForCall(0)).To(Equal("container"))
})
It("returns the container link that was added", func() {
_, container, err := factory.CreateVethPair("container", "host", 999)
Expect(err).NotTo(HaveOccurred())
Expect(netlinker.LinkAddCallCount()).To(Equal(1))
addedLink := netlinker.LinkAddArgsForCall(0)
