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review tests and fix AI found issues

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This commit is contained in:
Quentin McGaw
2026-05-19 13:36:02 +00:00
parent 4a0e8afd3b
commit 5cd7bc7f74
5 changed files with 111 additions and 161 deletions
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internal/socks5/socks5_test.go
+89 -145
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@@ -2,7 +2,6 @@ package socks5
import (
"bytes"
"context"
"encoding/binary"
"io"
"net"
@@ -17,8 +16,8 @@ import (
type noopLogger struct{}
func (noopLogger) Infof(string, ...interface{}) {}
func (noopLogger) Warnf(string, ...interface{}) {}
func (noopLogger) Infof(string, ...any) {}
func (noopLogger) Warnf(string, ...any) {}
func TestServerProxy(t *testing.T) {
t.Parallel()
@@ -38,10 +37,10 @@ func TestServerProxy(t *testing.T) {
t.Parallel()
// Backend TCP server: accepts one connection for the proxy to forward to.
backendListener, err := (&net.ListenConfig{}).Listen(context.Background(), "tcp", "127.0.0.1:0")
backendListener, err := (&net.ListenConfig{}).Listen(t.Context(), "tcp", "127.0.0.1:0")
require.NoError(t, err)
backendConnCh := make(chan net.Conn, 1)
backendConnCh := make(chan net.Conn)
go func() {
conn, err := backendListener.Accept()
if err != nil {
@@ -56,7 +55,7 @@ func TestServerProxy(t *testing.T) {
Address: "127.0.0.1:0",
Logger: noopLogger{},
})
_, err = server.Start(context.Background())
_, err = server.Start(t.Context())
require.NoError(t, err)
t.Cleanup(func() {
_ = server.Stop()
@@ -107,7 +106,7 @@ func dialSOCKS5(t *testing.T, proxyAddr, targetAddr, username, password string)
targetPort, err := strconv.Atoi(portStr)
require.NoError(t, err)
conn, err := (&net.Dialer{}).DialContext(context.Background(), "tcp", proxyAddr)
conn, err := (&net.Dialer{}).DialContext(t.Context(), "tcp", proxyAddr)
require.NoError(t, err)
var method authMethod
@@ -180,11 +179,11 @@ func dialSOCKS5(t *testing.T, proxyAddr, targetAddr, username, password string)
return conn
}
func TestNew(t *testing.T) {
func Test_newServer(t *testing.T) {
t.Parallel()
testCases := map[string]struct {
settings Settings
expected *Server
expected *server
}{
"with_auth": {
settings: Settings{
@@ -193,7 +192,7 @@ func TestNew(t *testing.T) {
Address: "127.0.0.1:1080",
Logger: nil,
},
expected: &Server{
expected: &server{
username: "user",
password: "pass",
address: "127.0.0.1:1080",
@@ -205,7 +204,7 @@ func TestNew(t *testing.T) {
Address: "127.0.0.1:1080",
Logger: nil,
},
expected: &Server{
expected: &server{
address: "127.0.0.1:1080",
logger: nil,
},
@@ -224,7 +223,7 @@ func TestNew(t *testing.T) {
}
}
func TestStartStop(t *testing.T) {
func Test_Server_StartStop(t *testing.T) {
t.Parallel()
ctrl := gomock.NewController(t)
logger := NewMockLogger(ctrl)
@@ -236,7 +235,7 @@ func TestStartStop(t *testing.T) {
Logger: logger,
})
runErr, startErr := server.Start(context.Background())
runErr, startErr := server.Start(t.Context())
require.NoError(t, startErr)
select {
@@ -252,7 +251,7 @@ func TestStartStop(t *testing.T) {
require.NoError(t, err)
}
func TestEncodeBindData(t *testing.T) {
func Test_encodeBindData(t *testing.T) {
t.Parallel()
testCases := map[string]struct {
addrType addrType
@@ -319,61 +318,47 @@ func TestEncodeBindData(t *testing.T) {
}
}
func TestDecodeRequest(t *testing.T) {
func Test_decodeRequest(t *testing.T) {
t.Parallel()
testCases := map[string]struct {
buildPacket func() []byte
packet []byte
expectedErr string
validate func(*testing.T, request)
}{
"ipv4_valid": {
buildPacket: func() []byte {
packet := []byte{socks5Version, byte(connect), 0, byte(ipv4)}
packet = append(packet, 127, 0, 0, 1)
packet = append(packet, byte(0x1f), byte(0x90))
return packet
},
validate: func(t *testing.T, req request) {
packet: []byte{socks5Version, byte(connect), 0, byte(ipv4), 127, 0, 0, 1, byte(0x1f), byte(0x90)},
validate: func(t *testing.T, request request) {
t.Helper()
assert.Equal(t, connect, req.command)
assert.Equal(t, "127.0.0.1", req.destination)
assert.Equal(t, uint16(8080), req.port)
assert.Equal(t, ipv4, req.addressType)
assert.Equal(t, connect, request.command)
assert.Equal(t, "127.0.0.1", request.destination)
assert.Equal(t, uint16(8080), request.port)
assert.Equal(t, ipv4, request.addressType)
},
},
"domain_name_valid": {
buildPacket: func() []byte {
packet := []byte{socks5Version, byte(connect), 0, byte(domainName)}
domain := "example.com"
packet = append(packet, byte(len(domain)))
packet = append(packet, []byte(domain)...)
packet = append(packet, byte(0x00), byte(0x50))
return packet
},
validate: func(t *testing.T, req request) {
packet: concatBytes(
[]byte{socks5Version, byte(connect), 0, byte(domainName)},
[]byte{byte(len("example.com"))},
[]byte("example.com"),
[]byte{0x00, 0x50},
),
validate: func(t *testing.T, request request) {
t.Helper()
assert.Equal(t, "example.com", req.destination)
assert.Equal(t, uint16(80), req.port)
assert.Equal(t, domainName, req.addressType)
assert.Equal(t, "example.com", request.destination)
assert.Equal(t, uint16(80), request.port)
assert.Equal(t, domainName, request.addressType)
},
},
"version_mismatch": {
buildPacket: func() []byte {
return []byte{4, byte(connect), 0, byte(ipv4), 127, 0, 0, 1, 0, 0}
},
packet: []byte{4, byte(connect), 0, byte(ipv4), 127, 0, 0, 1, 0, 0},
expectedErr: "version is not supported",
},
"truncated_header": {
buildPacket: func() []byte {
return []byte{socks5Version, byte(connect)}
},
packet: []byte{socks5Version, byte(connect)},
expectedErr: "reading header",
},
"unsupported_address_type": {
buildPacket: func() []byte {
packet := []byte{socks5Version, byte(connect), 0, byte(255)}
return packet
},
packet: []byte{socks5Version, byte(connect), 0, byte(255)},
expectedErr: "address type is not supported",
},
}
@@ -381,59 +366,49 @@ func TestDecodeRequest(t *testing.T) {
for name, testCase := range testCases {
t.Run(name, func(t *testing.T) {
t.Parallel()
packet := testCase.buildPacket()
reader := bytes.NewReader(packet)
req, err := decodeRequest(reader, socks5Version)
reader := bytes.NewReader(testCase.packet)
request, err := decodeRequest(reader, socks5Version)
if testCase.expectedErr != "" {
assert.ErrorContains(t, err, testCase.expectedErr)
} else {
assert.NoError(t, err)
testCase.validate(t, req)
testCase.validate(t, request)
}
})
}
}
func TestVerifyFirstNegotiation(t *testing.T) {
func Test_verifyFirstNegotiation(t *testing.T) {
t.Parallel()
testCases := map[string]struct {
buildPacket func() []byte
packet []byte
requiredAuth authMethod
expectedErr string
}{
"version_mismatch": {
buildPacket: func() []byte {
return []byte{4, 2, byte(authNotRequired), byte(authUsernamePassword)}
},
packet: []byte{4, 2, byte(authNotRequired), byte(authUsernamePassword)},
requiredAuth: authNotRequired,
expectedErr: "version is not supported",
},
"no_methods": {
buildPacket: func() []byte {
return []byte{socks5Version, 0}
},
packet: []byte{socks5Version, 0},
requiredAuth: authNotRequired,
expectedErr: "no method identifiers",
},
"required_method_not_present": {
buildPacket: func() []byte {
return []byte{socks5Version, 2, byte(authNotRequired), byte(authGssapi)}
},
packet: []byte{socks5Version, 2, byte(authNotRequired), byte(authGssapi)},
requiredAuth: authUsernamePassword,
expectedErr: "no valid method identifier",
},
"required_method_present": {
buildPacket: func() []byte {
return []byte{socks5Version, 3, byte(authNotRequired), byte(authUsernamePassword), byte(authGssapi)}
},
packet: []byte{socks5Version, 3, byte(authNotRequired), byte(authUsernamePassword), byte(authGssapi)},
requiredAuth: authUsernamePassword,
},
"no_auth_required": {
buildPacket: func() []byte {
return []byte{socks5Version, 1, byte(authNotRequired)}
},
packet: []byte{socks5Version, 1, byte(authNotRequired)},
requiredAuth: authNotRequired,
},
}
@@ -441,8 +416,8 @@ func TestVerifyFirstNegotiation(t *testing.T) {
for name, testCase := range testCases {
t.Run(name, func(t *testing.T) {
t.Parallel()
packet := testCase.buildPacket()
reader := bytes.NewReader(packet)
reader := bytes.NewReader(testCase.packet)
err := verifyFirstNegotiation(reader, testCase.requiredAuth)
@@ -455,61 +430,54 @@ func TestVerifyFirstNegotiation(t *testing.T) {
}
}
func TestUsernamePasswordSubnegotiate(t *testing.T) {
func Test_usernamePasswordSubnegotiate(t *testing.T) {
t.Parallel()
testCases := map[string]struct {
buildPacket func() []byte
packet []byte
username string
password string
expectedErr string
}{
"valid_credentials": {
buildPacket: func() []byte {
packet := []byte{authUsernamePasswordSubNegotiation1, 4}
packet = append(packet, []byte("user")...)
packet = append(packet, 4)
packet = append(packet, []byte("pass")...)
return packet
},
packet: concatBytes(
[]byte{authUsernamePasswordSubNegotiation1, 4},
[]byte("user"),
[]byte{4},
[]byte("pass"),
),
username: "user",
password: "pass",
},
"version_mismatch": {
buildPacket: func() []byte {
return []byte{2, 4, 'u', 's', 'e', 'r'}
},
packet: []byte{2, 4, 'u', 's', 'e', 'r'},
username: "user",
password: "pass",
expectedErr: "subnegotiation version not supported",
},
"wrong_username": {
buildPacket: func() []byte {
packet := []byte{authUsernamePasswordSubNegotiation1, 4}
packet = append(packet, []byte("fake")...)
packet = append(packet, 4)
packet = append(packet, []byte("pass")...)
return packet
},
packet: concatBytes(
[]byte{authUsernamePasswordSubNegotiation1, 4},
[]byte("fake"),
[]byte{4},
[]byte("pass"),
),
username: "user",
password: "pass",
expectedErr: "username not valid",
expectedErr: "username received is not valid",
},
"wrong_password": {
buildPacket: func() []byte {
packet := []byte{authUsernamePasswordSubNegotiation1, 4}
packet = append(packet, []byte("user")...)
packet = append(packet, 4)
packet = append(packet, []byte("fake")...)
return packet
},
packet: concatBytes(
[]byte{authUsernamePasswordSubNegotiation1, 4},
[]byte("user"),
[]byte{4},
[]byte("fake"),
),
username: "user",
password: "pass",
expectedErr: "password not valid",
},
"truncated_header": {
buildPacket: func() []byte {
return []byte{authUsernamePasswordSubNegotiation1}
},
packet: []byte{authUsernamePasswordSubNegotiation1},
username: "user",
password: "pass",
expectedErr: "reading header",
@@ -519,9 +487,8 @@ func TestUsernamePasswordSubnegotiate(t *testing.T) {
for name, testCase := range testCases {
t.Run(name, func(t *testing.T) {
t.Parallel()
packet := testCase.buildPacket()
buffer := &bytes.Buffer{}
buffer.Write(packet)
buffer := bytes.NewBuffer(testCase.packet)
readWriter := struct {
io.Reader
@@ -542,32 +509,40 @@ func TestUsernamePasswordSubnegotiate(t *testing.T) {
}
}
func TestBindDataLength(t *testing.T) {
func concatBytes(slices ...[]byte) []byte {
var result []byte
for _, slice := range slices {
result = append(result, slice...)
}
return result
}
func Test_bindDataLength(t *testing.T) {
t.Parallel()
testCases := map[string]struct {
addrType addrType
address string
expectedBytes int
wantMaxLength uint
}{
"ipv4": {
addrType: ipv4,
address: "127.0.0.1",
expectedBytes: 1 + 4 + 2,
wantMaxLength: 1 + 4 + 2,
},
"ipv6": {
addrType: ipv6,
address: "::1",
expectedBytes: 1 + 16 + 2,
wantMaxLength: 1 + 16 + 2,
},
"domain_short": {
addrType: domainName,
address: "example.com",
expectedBytes: 1 + 1 + len("example.com") + 2,
wantMaxLength: 1 + 1 + uint(len("example.com")) + 2,
},
"domain_long": {
addrType: domainName,
address: strings.Repeat("a", 100),
expectedBytes: 1 + 1 + 100 + 2,
wantMaxLength: 1 + 1 + 100 + 2,
},
}
@@ -575,12 +550,12 @@ func TestBindDataLength(t *testing.T) {
t.Run(name, func(t *testing.T) {
t.Parallel()
length := bindDataLength(testCase.addrType, testCase.address)
assert.Equal(t, testCase.expectedBytes, length)
assert.Equal(t, testCase.wantMaxLength, length)
})
}
}
func TestAuthMethodString(t *testing.T) {
func Test_authMethod_String(t *testing.T) {
t.Parallel()
testCases := map[string]struct {
method authMethod
@@ -617,7 +592,7 @@ func TestAuthMethodString(t *testing.T) {
}
}
func TestCmdTypeString(t *testing.T) {
func Test_cmdType_String(t *testing.T) {
t.Parallel()
testCases := map[string]struct {
cmd cmdType
@@ -649,34 +624,3 @@ func TestCmdTypeString(t *testing.T) {
})
}
}
func TestParseAddress(t *testing.T) {
t.Parallel()
testCases := map[string]struct {
address string
expectedIP string
expectedErr string
}{
"ipv4": {
address: "127.0.0.1",
expectedIP: "127.0.0.1",
},
"ipv6": {
address: "::1",
expectedIP: "::1",
},
"domain": {
address: "example.com",
expectedErr: "parsing IP address",
},
}
for name, testCase := range testCases {
t.Run(name, func(t *testing.T) {
t.Parallel()
if testCase.expectedErr == "" {
assert.True(t, strings.Contains(testCase.address, testCase.expectedIP) || testCase.address == testCase.expectedIP)
}
})
}
}