digitalocean: Add tests for network unit generation
This commit is contained in:
Alex Crawford
parent
3abd6b2225
commit
2134fce791
367
network/digitalocean_test.go
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367
network/digitalocean_test.go
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@ -0,0 +1,367 @@
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package network
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import (
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"errors"
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"net"
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"reflect"
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"testing"
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"github.com/coreos/coreos-cloudinit/datasource/metadata/digitalocean"
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)
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func TestParseNameservers(t *testing.T) {
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for _, tt := range []struct {
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dns digitalocean.DNS
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nss []net.IP
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err error
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}{
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{
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dns: digitalocean.DNS{},
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nss: []net.IP{},
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},
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{
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dns: digitalocean.DNS{[]string{"1.2.3.4"}},
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nss: []net.IP{net.ParseIP("1.2.3.4")},
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},
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{
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dns: digitalocean.DNS{[]string{"bad"}},
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err: errors.New("could not parse \"bad\" as nameserver IP address"),
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},
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} {
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nss, err := parseNameservers(tt.dns)
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if !errorsEqual(tt.err, err) {
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t.Fatalf("bad error (%+v): want %q, got %q", tt.dns, tt.err, err)
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}
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if !reflect.DeepEqual(tt.nss, nss) {
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t.Fatalf("bad nameservers (%+v): want %#v, got %#v", tt.dns, tt.nss, nss)
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}
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}
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}
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func TestParseInterface(t *testing.T) {
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for _, tt := range []struct {
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cfg digitalocean.Interface
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nss []net.IP
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useRoute bool
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iface *logicalInterface
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err error
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}{
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{
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cfg: digitalocean.Interface{
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MAC: "bad",
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},
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err: errors.New("invalid MAC address: bad"),
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},
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{
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cfg: digitalocean.Interface{
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MAC: "01:23:45:67:89:AB",
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},
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nss: []net.IP{},
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iface: &logicalInterface{
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hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
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config: configMethodStatic{
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addresses: []net.IPNet{},
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nameservers: []net.IP{},
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routes: []route{},
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},
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},
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},
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{
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cfg: digitalocean.Interface{
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MAC: "01:23:45:67:89:AB",
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},
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useRoute: true,
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nss: []net.IP{net.ParseIP("1.2.3.4")},
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iface: &logicalInterface{
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hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
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config: configMethodStatic{
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addresses: []net.IPNet{},
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nameservers: []net.IP{net.ParseIP("1.2.3.4")},
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routes: []route{},
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},
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},
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},
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{
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cfg: digitalocean.Interface{
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MAC: "01:23:45:67:89:AB",
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IPv4: &digitalocean.Address{
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IPAddress: "bad",
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Netmask: "255.255.0.0",
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},
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},
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nss: []net.IP{},
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err: errors.New("could not parse \"bad\" as IPv4 address"),
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},
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{
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cfg: digitalocean.Interface{
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MAC: "01:23:45:67:89:AB",
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IPv4: &digitalocean.Address{
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IPAddress: "1.2.3.4",
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Netmask: "bad",
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},
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},
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nss: []net.IP{},
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err: errors.New("could not parse \"bad\" as IPv4 mask"),
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},
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{
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cfg: digitalocean.Interface{
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MAC: "01:23:45:67:89:AB",
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IPv4: &digitalocean.Address{
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IPAddress: "1.2.3.4",
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Netmask: "255.255.0.0",
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Gateway: "ignoreme",
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},
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},
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nss: []net.IP{},
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iface: &logicalInterface{
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hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
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config: configMethodStatic{
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addresses: []net.IPNet{net.IPNet{net.ParseIP("1.2.3.4"), net.IPMask(net.ParseIP("255.255.0.0"))}},
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nameservers: []net.IP{},
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routes: []route{},
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},
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},
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},
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{
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cfg: digitalocean.Interface{
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MAC: "01:23:45:67:89:AB",
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IPv4: &digitalocean.Address{
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IPAddress: "1.2.3.4",
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Netmask: "255.255.0.0",
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Gateway: "bad",
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},
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},
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useRoute: true,
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nss: []net.IP{},
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err: errors.New("could not parse \"bad\" as IPv4 gateway"),
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},
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{
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cfg: digitalocean.Interface{
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MAC: "01:23:45:67:89:AB",
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IPv4: &digitalocean.Address{
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IPAddress: "1.2.3.4",
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Netmask: "255.255.0.0",
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Gateway: "5.6.7.8",
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},
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},
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useRoute: true,
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nss: []net.IP{},
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iface: &logicalInterface{
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hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
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config: configMethodStatic{
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addresses: []net.IPNet{net.IPNet{net.ParseIP("1.2.3.4"), net.IPMask(net.ParseIP("255.255.0.0"))}},
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nameservers: []net.IP{},
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routes: []route{route{net.IPNet{net.IPv4zero, net.IPMask(net.IPv4zero)}, net.ParseIP("5.6.7.8")}},
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},
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},
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},
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{
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cfg: digitalocean.Interface{
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MAC: "01:23:45:67:89:AB",
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IPv6: &digitalocean.Address{
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IPAddress: "bad",
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Cidr: 16,
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},
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},
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nss: []net.IP{},
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err: errors.New("could not parse \"bad\" as IPv6 address"),
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},
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{
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cfg: digitalocean.Interface{
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MAC: "01:23:45:67:89:AB",
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IPv6: &digitalocean.Address{
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IPAddress: "fe00::",
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Cidr: 16,
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Gateway: "ignoreme",
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},
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},
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nss: []net.IP{},
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iface: &logicalInterface{
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hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
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config: configMethodStatic{
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addresses: []net.IPNet{net.IPNet{net.ParseIP("fe00::"), net.IPMask(net.ParseIP("ffff::"))}},
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nameservers: []net.IP{},
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routes: []route{},
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},
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},
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},
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{
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cfg: digitalocean.Interface{
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MAC: "01:23:45:67:89:AB",
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IPv6: &digitalocean.Address{
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IPAddress: "fe00::",
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Cidr: 16,
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Gateway: "bad",
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},
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},
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useRoute: true,
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nss: []net.IP{},
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err: errors.New("could not parse \"bad\" as IPv6 gateway"),
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},
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{
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cfg: digitalocean.Interface{
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MAC: "01:23:45:67:89:AB",
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IPv6: &digitalocean.Address{
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IPAddress: "fe00::",
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Cidr: 16,
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Gateway: "fe00:1234::",
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},
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},
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useRoute: true,
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nss: []net.IP{},
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iface: &logicalInterface{
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hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
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config: configMethodStatic{
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addresses: []net.IPNet{net.IPNet{net.ParseIP("fe00::"), net.IPMask(net.ParseIP("ffff::"))}},
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nameservers: []net.IP{},
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routes: []route{route{net.IPNet{net.IPv6zero, net.IPMask(net.IPv6zero)}, net.ParseIP("fe00:1234::")}},
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},
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},
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},
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} {
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iface, err := parseInterface(tt.cfg, tt.nss, tt.useRoute)
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if !errorsEqual(tt.err, err) {
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t.Fatalf("bad error (%+v): want %q, got %q", tt.cfg, tt.err, err)
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}
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if !reflect.DeepEqual(tt.iface, iface) {
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t.Fatalf("bad interface (%+v): want %#v, got %#v", tt.cfg, tt.iface, iface)
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}
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}
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}
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func TestParseInterfaces(t *testing.T) {
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for _, tt := range []struct {
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cfg digitalocean.Interfaces
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nss []net.IP
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ifaces []InterfaceGenerator
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err error
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}{
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{
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ifaces: []InterfaceGenerator{},
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},
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{
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cfg: digitalocean.Interfaces{
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Public: []digitalocean.Interface{{MAC: "01:23:45:67:89:AB"}},
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},
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ifaces: []InterfaceGenerator{
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&physicalInterface{logicalInterface{
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hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
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config: configMethodStatic{
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addresses: []net.IPNet{},
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nameservers: []net.IP{},
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routes: []route{},
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},
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}},
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},
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},
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{
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cfg: digitalocean.Interfaces{
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Private: []digitalocean.Interface{{MAC: "01:23:45:67:89:AB"}},
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},
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ifaces: []InterfaceGenerator{
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&physicalInterface{logicalInterface{
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hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
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config: configMethodStatic{
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addresses: []net.IPNet{},
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nameservers: []net.IP{},
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routes: []route{},
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},
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}},
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},
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},
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{
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cfg: digitalocean.Interfaces{
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Public: []digitalocean.Interface{{MAC: "01:23:45:67:89:AB"}},
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},
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nss: []net.IP{net.ParseIP("1.2.3.4")},
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ifaces: []InterfaceGenerator{
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&physicalInterface{logicalInterface{
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hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
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config: configMethodStatic{
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addresses: []net.IPNet{},
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nameservers: []net.IP{net.ParseIP("1.2.3.4")},
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routes: []route{},
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},
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}},
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},
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},
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{
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cfg: digitalocean.Interfaces{
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Private: []digitalocean.Interface{{MAC: "01:23:45:67:89:AB"}},
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},
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nss: []net.IP{net.ParseIP("1.2.3.4")},
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ifaces: []InterfaceGenerator{
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&physicalInterface{logicalInterface{
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hwaddr: net.HardwareAddr([]byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab}),
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config: configMethodStatic{
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addresses: []net.IPNet{},
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nameservers: []net.IP{},
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routes: []route{},
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},
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}},
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},
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},
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{
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cfg: digitalocean.Interfaces{
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Public: []digitalocean.Interface{{MAC: "bad"}},
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},
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err: errors.New("invalid MAC address: bad"),
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},
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{
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cfg: digitalocean.Interfaces{
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Private: []digitalocean.Interface{{MAC: "bad"}},
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},
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err: errors.New("invalid MAC address: bad"),
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},
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} {
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ifaces, err := parseInterfaces(tt.cfg, tt.nss)
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if !errorsEqual(tt.err, err) {
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t.Fatalf("bad error (%+v): want %q, got %q", tt.cfg, tt.err, err)
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}
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if !reflect.DeepEqual(tt.ifaces, ifaces) {
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t.Fatalf("bad interfaces (%+v): want %#v, got %#v", tt.cfg, tt.ifaces, ifaces)
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}
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}
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}
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func TestProcessDigitalOceanNetconf(t *testing.T) {
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for _, tt := range []struct {
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cfg string
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ifaces []InterfaceGenerator
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err error
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}{
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{
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cfg: ``,
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},
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{
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cfg: `{"dns":{"nameservers":["bad"]}}`,
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err: errors.New("could not parse \"bad\" as nameserver IP address"),
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},
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{
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cfg: `{"interfaces":{"public":[{"ipv4":{"ip_address":"bad"}}]}}`,
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err: errors.New("could not parse \"bad\" as IPv4 address"),
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},
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{
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cfg: `{}`,
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ifaces: []InterfaceGenerator{},
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},
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} {
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ifaces, err := ProcessDigitalOceanNetconf(tt.cfg)
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if !errorsEqual(tt.err, err) {
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t.Fatalf("bad error (%q): want %q, got %q", tt.cfg, tt.err, err)
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}
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if !reflect.DeepEqual(tt.ifaces, ifaces) {
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t.Fatalf("bad interfaces (%q): want %#v, got %#v", tt.cfg, tt.ifaces, ifaces)
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}
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}
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}
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func errorsEqual(a, b error) bool {
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if a == nil && b == nil {
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return true
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}
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if (a != nil && b == nil) || (a == nil && b != nil) {
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return false
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}
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return (a.Error() == b.Error())
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}
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