| package netstate_test |
| |
| import ( |
| "fmt" |
| "net" |
| "os" |
| "reflect" |
| "testing" |
| |
| "veyron/lib/netstate" |
| ) |
| |
| func TestGet(t *testing.T) { |
| all, err := netstate.GetAll() |
| if err != nil { |
| t.Fatalf("unexpected error: %s", err) |
| } |
| accessible, err := netstate.GetAccessibleIPs() |
| if err != nil { |
| t.Fatalf("unexpected error: %s", err) |
| } |
| if len(all) == 0 || len(accessible) == 0 { |
| t.Errorf("expected non zero lengths, not %d and %d", len(all), len(accessible)) |
| } |
| if len(accessible) > len(all) { |
| t.Errorf("should never be more accessible addresses than 'all' addresses") |
| } |
| loopback := netstate.FindAdded(accessible, all) |
| if got, want := loopback.Filter(netstate.IsLoopbackIP), loopback; !reflect.DeepEqual(got, want) { |
| t.Errorf("got %v, want %v", got, want) |
| } |
| } |
| |
| func mkAddr(n, a string) net.Addr { |
| ip := net.ParseIP(a) |
| fmt.Fprintf(os.Stderr, "%s -> %d\n", a, len(ip)) |
| return netstate.AsAddr(n, ip) |
| } |
| |
| func TestAsIP(t *testing.T) { |
| lh := net.ParseIP("127.0.0.1") |
| if got, want := netstate.AsIP(&net.IPAddr{IP: lh}), "127.0.0.1"; got == nil || got.String() != want { |
| t.Errorf("got %v, want %v", got, want) |
| } |
| if got, want := netstate.AsIP(&net.IPNet{IP: lh}), "127.0.0.1"; got == nil || got.String() != want { |
| t.Errorf("got %v, want %v", got, want) |
| } |
| if got, want := netstate.AsIP(netstate.AsAddr("tcp", lh)), "127.0.0.1"; got == nil || got.String() != want { |
| t.Errorf("got %v, want %v", got, want) |
| } |
| } |
| |
| type hw struct{} |
| |
| func (*hw) Network() string { return "mac" } |
| func (*hw) String() string { return "01:23:45:67:89:ab:cd:ef" } |
| |
| func TestPredicates(t *testing.T) { |
| if got, want := netstate.IsUnicastIP(&hw{}), false; got != want { |
| t.Errorf("got %t, want %t", got, want) |
| |
| } |
| |
| cases := []struct { |
| f func(a net.Addr) bool |
| a string |
| r bool |
| }{ |
| {netstate.IsUnspecifiedIP, "0.0.0.0", true}, |
| {netstate.IsUnspecifiedIP, "::", true}, |
| {netstate.IsUnspecifiedIP, "127.0.0.1", false}, |
| {netstate.IsUnspecifiedIP, "::1", false}, |
| |
| {netstate.IsLoopbackIP, "0.0.0.0", false}, |
| {netstate.IsLoopbackIP, "::", false}, |
| {netstate.IsLoopbackIP, "127.0.0.1", true}, |
| {netstate.IsLoopbackIP, "::1", true}, |
| |
| {netstate.IsAccessibleIP, "0.0.0.0", false}, |
| {netstate.IsAccessibleIP, "::", false}, |
| {netstate.IsAccessibleIP, "127.0.0.1", false}, |
| {netstate.IsAccessibleIP, "::1", false}, |
| {netstate.IsAccessibleIP, "224.0.0.2", true}, |
| {netstate.IsAccessibleIP, "fc00:1234::", true}, |
| {netstate.IsAccessibleIP, "192.168.1.1", true}, |
| {netstate.IsAccessibleIP, "2001:4860:0:2001::68", true}, |
| |
| {netstate.IsUnicastIP, "0.0.0.0", false}, |
| {netstate.IsUnicastIP, "::", false}, |
| {netstate.IsUnicastIP, "127.0.0.1", true}, |
| {netstate.IsUnicastIP, "::1", true}, |
| {netstate.IsUnicastIP, "192.168.1.2", true}, |
| {netstate.IsUnicastIP, "74.125.239.36", true}, |
| {netstate.IsUnicastIP, "224.0.0.2", false}, |
| {netstate.IsUnicastIP, "fc00:1235::", true}, |
| {netstate.IsUnicastIP, "ff01::01", false}, |
| {netstate.IsUnicastIP, "2001:4860:0:2001::69", true}, |
| |
| {netstate.IsUnicastIPv4, "0.0.0.0", false}, |
| {netstate.IsUnicastIPv4, "::", false}, |
| {netstate.IsUnicastIPv4, "127.0.0.1", true}, |
| {netstate.IsUnicastIPv4, "::1", false}, |
| {netstate.IsUnicastIPv4, "192.168.1.3", true}, |
| {netstate.IsUnicastIPv6, "74.125.239.37", false}, |
| {netstate.IsUnicastIPv4, "224.0.0.2", false}, |
| {netstate.IsUnicastIPv4, "fc00:1236::", false}, |
| {netstate.IsUnicastIPv4, "ff01::02", false}, |
| {netstate.IsUnicastIPv4, "2001:4860:0:2001::6a", false}, |
| |
| {netstate.IsUnicastIPv6, "0.0.0.0", false}, |
| {netstate.IsUnicastIPv6, "::", false}, |
| {netstate.IsUnicastIPv6, "127.0.0.1", false}, |
| {netstate.IsUnicastIPv6, "::1", true}, |
| {netstate.IsUnicastIPv6, "192.168.1.4", false}, |
| {netstate.IsUnicastIPv6, "74.125.239.38", false}, |
| {netstate.IsUnicastIPv6, "224.0.0.2", false}, |
| {netstate.IsUnicastIPv6, "fc00:1237::", true}, |
| {netstate.IsUnicastIPv6, "ff01::03", false}, |
| {netstate.IsUnicastIPv6, "2607:f8b0:4003:c00::6b", true}, |
| |
| {netstate.IsPublicUnicastIP, "0.0.0.0", false}, |
| {netstate.IsPublicUnicastIP, "::", false}, |
| {netstate.IsPublicUnicastIP, "127.0.0.1", false}, |
| {netstate.IsPublicUnicastIP, "::1", false}, |
| {netstate.IsPublicUnicastIP, "192.168.1.2", false}, |
| {netstate.IsPublicUnicastIP, "74.125.239.39", true}, |
| {netstate.IsPublicUnicastIP, "224.0.0.2", false}, |
| // Arguably this is buggy, the fc00:/7 prefix is supposed to be |
| // non-routable. |
| {netstate.IsPublicUnicastIP, "fc00:1238::", true}, |
| {netstate.IsPublicUnicastIP, "ff01::01", false}, |
| {netstate.IsPublicUnicastIP, "2001:4860:0:2001::69", true}, |
| |
| {netstate.IsPublicUnicastIPv4, "0.0.0.0", false}, |
| {netstate.IsPublicUnicastIPv4, "::", false}, |
| {netstate.IsPublicUnicastIPv4, "127.0.0.1", false}, |
| {netstate.IsPublicUnicastIPv4, "::1", false}, |
| {netstate.IsPublicUnicastIPv4, "192.168.1.3", false}, |
| {netstate.IsPublicUnicastIPv4, "74.125.239.40", true}, |
| {netstate.IsPublicUnicastIPv4, "224.0.0.2", false}, |
| {netstate.IsPublicUnicastIPv4, "fc00:1239::", false}, |
| {netstate.IsPublicUnicastIPv4, "ff01::02", false}, |
| {netstate.IsPublicUnicastIPv4, "2001:4860:0:2001::6a", false}, |
| |
| {netstate.IsPublicUnicastIPv6, "0.0.0.0", false}, |
| {netstate.IsPublicUnicastIPv6, "::", false}, |
| {netstate.IsPublicUnicastIPv6, "127.0.0.1", false}, |
| {netstate.IsPublicUnicastIPv6, "::1", false}, |
| {netstate.IsPublicUnicastIPv6, "192.168.1.4", false}, |
| {netstate.IsPublicUnicastIPv6, "74.125.239.41", false}, |
| {netstate.IsPublicUnicastIPv6, "224.0.0.2", false}, |
| // Arguably this is buggy, the fc00:/7 prefix is supposed to be |
| // non-routable. |
| {netstate.IsPublicUnicastIPv6, "fc00:123a::", true}, |
| {netstate.IsPublicUnicastIPv6, "ff01::03", false}, |
| {netstate.IsPublicUnicastIPv6, "2607:f8b0:4003:c00::6b", true}, |
| } |
| for i, c := range cases { |
| net := "tcp" |
| if got, want := c.f(mkAddr(net, c.a)), c.r; got != want { |
| t.Errorf("#%d: %s %s: got %t, want %t", i+1, net, c.a, got, want) |
| } |
| } |
| } |
| |
| var ( |
| a = mkAddr("tcp4", "1.2.3.4") |
| b = mkAddr("tcp4", "1.2.3.5") |
| c = mkAddr("tcp4", "1.2.3.6") |
| d = mkAddr("tcp4", "1.2.3.7") |
| a6 = mkAddr("tcp6", "2001:4860:0:2001::68") |
| b6 = mkAddr("tcp6", "2001:4860:0:2001::69") |
| c6 = mkAddr("tcp6", "2001:4860:0:2001::70") |
| d6 = mkAddr("tcp6", "2001:4860:0:2001::71") |
| ) |
| |
| func TestRemoved(t *testing.T) { |
| al := netstate.AddrList{a, b, c, a6, b6, c6} |
| bl := netstate.AddrList{} |
| |
| // no changes. |
| got, want := netstate.FindRemoved(al, al), netstate.AddrList{} |
| if !reflect.DeepEqual(got, want) { |
| t.Errorf("got %#v, want %#v", got, want) |
| } |
| |
| // missing everything |
| if got, want := netstate.FindRemoved(al, bl), al; !reflect.DeepEqual(got, want) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| |
| // missing nothing |
| if got, want := netstate.FindRemoved(bl, al), (netstate.AddrList{}); !reflect.DeepEqual(got, want) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| |
| // remove some addresses |
| bl = netstate.AddrList{a, b, a6, b6} |
| if got, want := netstate.FindRemoved(al, bl), (netstate.AddrList{c, c6}); !reflect.DeepEqual(got, want) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| |
| // add some addresses |
| bl = netstate.AddrList{a, b, c, a6, b6, c6, d6} |
| if got, want := netstate.FindRemoved(al, bl), (netstate.AddrList{}); !reflect.DeepEqual(got, want) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| |
| // change some addresses |
| bl = netstate.AddrList{a, b, d, a6, d6, c6} |
| if got, want := netstate.FindRemoved(al, bl), (netstate.AddrList{c, b6}); !reflect.DeepEqual(got, want) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| } |
| |
| func TestAdded(t *testing.T) { |
| al := netstate.AddrList{a, b, c, a6, b6, c6} |
| bl := netstate.AddrList{} |
| |
| // no changes. |
| if got, want := netstate.FindAdded(al, al), (netstate.AddrList{}); !reflect.DeepEqual(got, want) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| |
| // add nothing |
| if got, want := netstate.FindAdded(al, bl), bl; !reflect.DeepEqual(got, want) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| |
| // add everything |
| if got, want := netstate.FindAdded(bl, al), al; !reflect.DeepEqual(got, want) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| |
| // add some addresses |
| bl = netstate.AddrList{a, b, c, d, a6, b6, c6, d6} |
| if got, want := netstate.FindAdded(al, bl), (netstate.AddrList{d, d6}); !reflect.DeepEqual(got, want) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| |
| // remove some addresses |
| bl = netstate.AddrList{a, b, c, b6} |
| if got, want := netstate.FindAdded(al, bl), (netstate.AddrList{}); !reflect.DeepEqual(got, want) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| |
| // change some addresses |
| bl = netstate.AddrList{a, d, c, a6, d6, c6} |
| if got, want := netstate.FindAdded(al, bl), (netstate.AddrList{d, d6}); !reflect.DeepEqual(got, want) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| } |
