147 lines
2.7 KiB
Go
147 lines
2.7 KiB
Go
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package netlink
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import (
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"net"
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"syscall"
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"testing"
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"time"
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)
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func TestRouteAddDel(t *testing.T) {
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tearDown := setUpNetlinkTest(t)
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defer tearDown()
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// get loopback interface
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link, err := LinkByName("lo")
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if err != nil {
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t.Fatal(err)
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}
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// bring the interface up
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if err = LinkSetUp(link); err != nil {
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t.Fatal(err)
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}
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// add a gateway route
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_, dst, err := net.ParseCIDR("192.168.0.0/24")
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ip := net.ParseIP("127.1.1.1")
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route := Route{LinkIndex: link.Attrs().Index, Dst: dst, Src: ip}
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err = RouteAdd(&route)
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if err != nil {
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t.Fatal(err)
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}
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routes, err := RouteList(link, FAMILY_V4)
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if err != nil {
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t.Fatal(err)
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}
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if len(routes) != 1 {
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t.Fatal("Link not added properly")
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}
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dstIP := net.ParseIP("192.168.0.42")
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routeToDstIP, err := RouteGet(dstIP)
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if err != nil {
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t.Fatal(err)
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}
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if len(routeToDstIP) == 0 {
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t.Fatal("Default route not present")
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}
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err = RouteDel(&route)
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if err != nil {
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t.Fatal(err)
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}
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routes, err = RouteList(link, FAMILY_V4)
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if err != nil {
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t.Fatal(err)
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}
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if len(routes) != 0 {
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t.Fatal("Route not removed properly")
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}
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}
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func TestRouteAddIncomplete(t *testing.T) {
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tearDown := setUpNetlinkTest(t)
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defer tearDown()
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// get loopback interface
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link, err := LinkByName("lo")
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if err != nil {
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t.Fatal(err)
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}
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// bring the interface up
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if err = LinkSetUp(link); err != nil {
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t.Fatal(err)
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}
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route := Route{LinkIndex: link.Attrs().Index}
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if err := RouteAdd(&route); err == nil {
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t.Fatal("Adding incomplete route should fail")
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}
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}
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func expectRouteUpdate(ch <-chan RouteUpdate, t uint16, dst net.IP) bool {
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for {
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timeout := time.After(time.Minute)
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select {
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case update := <-ch:
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if update.Type == t && update.Route.Dst.IP.Equal(dst) {
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return true
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}
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case <-timeout:
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return false
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}
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}
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}
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func TestRouteSubscribe(t *testing.T) {
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tearDown := setUpNetlinkTest(t)
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defer tearDown()
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ch := make(chan RouteUpdate)
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done := make(chan struct{})
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defer close(done)
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if err := RouteSubscribe(ch, done); err != nil {
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t.Fatal(err)
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}
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// get loopback interface
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link, err := LinkByName("lo")
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if err != nil {
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t.Fatal(err)
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}
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// bring the interface up
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if err = LinkSetUp(link); err != nil {
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t.Fatal(err)
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}
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// add a gateway route
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_, dst, err := net.ParseCIDR("192.168.0.0/24")
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ip := net.ParseIP("127.1.1.1")
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route := Route{LinkIndex: link.Attrs().Index, Dst: dst, Src: ip}
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err = RouteAdd(&route)
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if err != nil {
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t.Fatal(err)
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}
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if !expectRouteUpdate(ch, syscall.RTM_NEWROUTE, dst.IP) {
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t.Fatal("Add update not received as expected")
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}
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err = RouteDel(&route)
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if err != nil {
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t.Fatal(err)
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}
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if !expectRouteUpdate(ch, syscall.RTM_DELROUTE, dst.IP) {
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t.Fatal("Del update not received as expected")
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}
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}
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