124 lines
3.1 KiB
Go
124 lines
3.1 KiB
Go
package wireguard
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import (
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"errors"
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"net"
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"testing"
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"github.com/golang/mock/gomock"
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"github.com/qdm12/gluetun/internal/netlink"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func Test_Wireguard_addAddresses(t *testing.T) {
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t.Parallel()
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ipNetOne := &net.IPNet{IP: net.IPv4(1, 2, 3, 4), Mask: net.IPv4Mask(255, 255, 255, 255)}
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ipNetTwo := &net.IPNet{IP: net.ParseIP("::1234"), Mask: net.CIDRMask(64, 128)}
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newLink := func() netlink.Link {
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linkAttrs := netlink.NewLinkAttrs()
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linkAttrs.Name = "a_bridge"
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return &netlink.Bridge{
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LinkAttrs: linkAttrs,
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}
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}
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errDummy := errors.New("dummy")
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testCases := map[string]struct {
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link netlink.Link
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addrs []*net.IPNet
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wgBuilder func(ctrl *gomock.Controller, link netlink.Link) *Wireguard
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err error
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}{
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"success": {
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link: newLink(),
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addrs: []*net.IPNet{ipNetOne, ipNetTwo},
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wgBuilder: func(ctrl *gomock.Controller, link netlink.Link) *Wireguard {
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netLinker := NewMockNetLinker(ctrl)
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firstCall := netLinker.EXPECT().
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AddrAdd(link, &netlink.Addr{IPNet: ipNetOne}).
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Return(nil)
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netLinker.EXPECT().
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AddrAdd(link, &netlink.Addr{IPNet: ipNetTwo}).
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Return(nil).After(firstCall)
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return &Wireguard{
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netlink: netLinker,
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settings: Settings{
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IPv6: ptrTo(true),
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},
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}
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},
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},
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"first add error": {
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link: newLink(),
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addrs: []*net.IPNet{ipNetOne, ipNetTwo},
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wgBuilder: func(ctrl *gomock.Controller, link netlink.Link) *Wireguard {
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netLinker := NewMockNetLinker(ctrl)
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netLinker.EXPECT().
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AddrAdd(link, &netlink.Addr{IPNet: ipNetOne}).
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Return(errDummy)
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return &Wireguard{
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netlink: netLinker,
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settings: Settings{
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IPv6: ptrTo(true),
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},
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}
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},
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err: errors.New("dummy: when adding address 1.2.3.4/32 to link a_bridge"),
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},
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"second add error": {
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link: newLink(),
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addrs: []*net.IPNet{ipNetOne, ipNetTwo},
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wgBuilder: func(ctrl *gomock.Controller, link netlink.Link) *Wireguard {
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netLinker := NewMockNetLinker(ctrl)
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firstCall := netLinker.EXPECT().
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AddrAdd(link, &netlink.Addr{IPNet: ipNetOne}).
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Return(nil)
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netLinker.EXPECT().
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AddrAdd(link, &netlink.Addr{IPNet: ipNetTwo}).
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Return(errDummy).After(firstCall)
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return &Wireguard{
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netlink: netLinker,
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settings: Settings{
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IPv6: ptrTo(true),
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},
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}
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},
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err: errors.New("dummy: when adding address ::1234/64 to link a_bridge"),
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},
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"ignore IPv6": {
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link: newLink(),
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addrs: []*net.IPNet{ipNetTwo},
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wgBuilder: func(ctrl *gomock.Controller, link netlink.Link) *Wireguard {
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return &Wireguard{
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settings: Settings{
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IPv6: ptrTo(false),
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},
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}
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},
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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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ctrl := gomock.NewController(t)
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wg := testCase.wgBuilder(ctrl, testCase.link)
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err := wg.addAddresses(testCase.link, testCase.addrs)
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if testCase.err != nil {
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require.Error(t, err)
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assert.Equal(t, testCase.err.Error(), err.Error())
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} else {
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require.NoError(t, err)
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}
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})
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}
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}
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