101 lines
2.1 KiB
Go
101 lines
2.1 KiB
Go
package routing
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import (
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"net"
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"net/netip"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func Test_netIPNetToNetipPrefix(t *testing.T) {
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t.Parallel()
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testCases := map[string]struct {
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ipNet net.IPNet
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prefix netip.Prefix
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}{
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"empty ipnet": {},
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"custom sized IP in ipnet": {
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ipNet: net.IPNet{
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IP: net.IP{1},
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},
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},
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"IPv4 ipnet": {
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ipNet: net.IPNet{
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IP: net.IP{1, 2, 3, 4},
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Mask: net.IPMask{255, 255, 255, 0},
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},
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prefix: netip.PrefixFrom(netip.AddrFrom4([4]byte{1, 2, 3, 4}), 24),
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},
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"IPv4-in-IPv6 ipnet": {
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ipNet: net.IPNet{
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IP: net.IPv4(1, 2, 3, 4),
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Mask: net.IPMask{255, 255, 255, 0},
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},
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prefix: netip.PrefixFrom(netip.AddrFrom4([4]byte{1, 2, 3, 4}), 24),
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},
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"IPv6 ipnet": {
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ipNet: net.IPNet{
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IP: net.IPv6loopback,
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Mask: net.IPMask{0xff},
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},
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prefix: netip.PrefixFrom(netip.IPv6Loopback(), 8),
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},
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}
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for name, testCase := range testCases {
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testCase := testCase
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t.Run(name, func(t *testing.T) {
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t.Parallel()
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prefix := netIPNetToNetipPrefix(testCase.ipNet)
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assert.Equal(t, testCase.prefix, prefix)
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})
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}
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}
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func Test_netIPToNetipAddress(t *testing.T) {
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t.Parallel()
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testCases := map[string]struct {
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ip net.IP
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address netip.Addr
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panicMessage string
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}{
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"nil ip": {
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panicMessage: "converting net.IP(nil) to netip.Addr failed",
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},
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"IPv4": {
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ip: net.IPv4(1, 2, 3, 4),
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address: netip.AddrFrom4([4]byte{1, 2, 3, 4}),
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},
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"IPv6": {
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ip: net.IPv6zero,
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address: netip.AddrFrom16([16]byte{}),
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},
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"IPv4 prefixed with 0xffff": {
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ip: net.IP{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff, 1, 2, 3, 4},
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address: netip.AddrFrom4([4]byte{1, 2, 3, 4}),
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},
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}
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for name, testCase := range testCases {
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testCase := testCase
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t.Run(name, func(t *testing.T) {
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t.Parallel()
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if testCase.panicMessage != "" {
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assert.PanicsWithValue(t, testCase.panicMessage, func() {
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netIPToNetipAddress(testCase.ip)
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})
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return
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}
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address := netIPToNetipAddress(testCase.ip)
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assert.Equal(t, testCase.address, address)
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})
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}
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}
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