133 lines
2.8 KiB
Go
133 lines
2.8 KiB
Go
package aghnet
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import (
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"io/fs"
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"net"
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"os"
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"testing"
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"github.com/AdguardTeam/AdGuardHome/internal/aghtest"
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"github.com/AdguardTeam/golibs/netutil"
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"github.com/AdguardTeam/golibs/testutil"
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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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// testdata is the filesystem containing data for testing the package.
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var testdata fs.FS = os.DirFS("./testdata")
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func TestMain(m *testing.M) {
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aghtest.DiscardLogOutput(m)
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}
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func TestGetInterfaceByIP(t *testing.T) {
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ifaces, err := GetValidNetInterfacesForWeb()
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require.NoError(t, err)
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require.NotEmpty(t, ifaces)
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for _, iface := range ifaces {
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t.Run(iface.Name, func(t *testing.T) {
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require.NotEmpty(t, iface.Addresses)
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for _, ip := range iface.Addresses {
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ifaceName := GetInterfaceByIP(ip)
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require.Equal(t, iface.Name, ifaceName)
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}
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})
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}
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}
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func TestBroadcastFromIPNet(t *testing.T) {
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known6 := net.IP{
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1, 2, 3, 4,
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5, 6, 7, 8,
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9, 10, 11, 12,
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13, 14, 15, 16,
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}
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testCases := []struct {
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name string
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subnet *net.IPNet
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want net.IP
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}{{
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name: "full",
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subnet: &net.IPNet{
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IP: net.IP{192, 168, 0, 1},
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Mask: net.IPMask{255, 255, 15, 0},
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},
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want: net.IP{192, 168, 240, 255},
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}, {
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name: "ipv6_no_mask",
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subnet: &net.IPNet{
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IP: known6,
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},
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want: known6,
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}, {
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name: "ipv4_no_mask",
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subnet: &net.IPNet{
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IP: net.IP{192, 168, 1, 2},
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},
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want: net.IP{192, 168, 1, 255},
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}, {
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name: "unspecified",
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subnet: &net.IPNet{
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IP: net.IP{0, 0, 0, 0},
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Mask: net.IPMask{0, 0, 0, 0},
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},
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want: net.IPv4bcast,
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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bc := BroadcastFromIPNet(tc.subnet)
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assert.True(t, bc.Equal(tc.want), bc)
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})
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}
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}
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func TestCheckPort(t *testing.T) {
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t.Run("tcp_bound", func(t *testing.T) {
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l, err := net.Listen("tcp", "127.0.0.1:")
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require.NoError(t, err)
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testutil.CleanupAndRequireSuccess(t, l.Close)
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ipp := netutil.IPPortFromAddr(l.Addr())
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require.NotNil(t, ipp)
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require.NotNil(t, ipp.IP)
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require.NotZero(t, ipp.Port)
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err = CheckPort("tcp", ipp.IP, ipp.Port)
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target := &net.OpError{}
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require.ErrorAs(t, err, &target)
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assert.Equal(t, "listen", target.Op)
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})
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t.Run("udp_bound", func(t *testing.T) {
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conn, err := net.ListenPacket("udp", "127.0.0.1:")
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require.NoError(t, err)
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testutil.CleanupAndRequireSuccess(t, conn.Close)
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ipp := netutil.IPPortFromAddr(conn.LocalAddr())
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require.NotNil(t, ipp)
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require.NotNil(t, ipp.IP)
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require.NotZero(t, ipp.Port)
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err = CheckPort("udp", ipp.IP, ipp.Port)
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target := &net.OpError{}
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require.ErrorAs(t, err, &target)
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assert.Equal(t, "listen", target.Op)
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})
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t.Run("bad_network", func(t *testing.T) {
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err := CheckPort("bad_network", nil, 0)
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assert.NoError(t, err)
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})
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t.Run("can_bind", func(t *testing.T) {
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err := CheckPort("udp", net.IP{0, 0, 0, 0}, 0)
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assert.NoError(t, err)
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})
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}
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