Files
x/internal/net/resovle_test.go
T
ginuerzh ef58909fb7 fix(dialer): correct inverted setMark on FreeBSD/OpenBSD
Fix setMark early-return conditions that were inverted relative to
Linux: on FreeBSD (SO_USER_COOKIE) and OpenBSD (SO_RTABLE), a
non-zero mark was short-circuited instead of applied, disabling
socket marking entirely.

Also fix GetClientIP to trim leading whitespace from X-Forwarded-For
entries (per RFC 7239), and fix Body.Read to subtract len(b) instead
of n from recordSize when a single read exceeds the remaining quota.

Add unit tests for internal/net/ (addr, dialer, http, ip, net, pipe,
transport, resolve, proxyproto, udp).
2026-05-21 20:58:48 +08:00

141 lines
3.3 KiB
Go

package net
import (
"context"
"net"
"testing"
"github.com/go-gost/core/hosts"
"github.com/go-gost/core/resolver"
)
type mockResolver struct {
ips []net.IP
err error
}
func (m *mockResolver) Resolve(ctx context.Context, network, host string, opts ...resolver.Option) ([]net.IP, error) {
if m.err != nil {
return nil, m.err
}
return m.ips, nil
}
type mockHostMapper struct {
ips []net.IP
}
func (m *mockHostMapper) Lookup(ctx context.Context, network, host string, opts ...hosts.Option) ([]net.IP, bool) {
if len(m.ips) == 0 {
return nil, false
}
return m.ips, true
}
func TestResolve_EmptyAddr(t *testing.T) {
ctx := context.Background()
addr, err := Resolve(ctx, "tcp", "", nil, nil, nil)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if addr != "" {
t.Errorf("expected empty, got %s", addr)
}
}
func TestResolve_NoHost(t *testing.T) {
ctx := context.Background()
addr, err := Resolve(ctx, "tcp", ":8080", nil, nil, nil)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if addr != ":8080" {
t.Errorf("expected :8080, got %s", addr)
}
}
func TestResolve_HostMapperMatch(t *testing.T) {
ctx := context.Background()
mapper := &mockHostMapper{ips: []net.IP{net.ParseIP("10.0.0.1")}}
r := &mockResolver{ips: []net.IP{net.ParseIP("192.168.1.1")}}
addr, err := Resolve(ctx, "tcp", "example.com:8080", r, mapper, nil)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if addr != "10.0.0.1:8080" {
t.Errorf("expected 10.0.0.1:8080, got %s", addr)
}
}
func TestResolve_Resolver(t *testing.T) {
ctx := context.Background()
r := &mockResolver{ips: []net.IP{net.ParseIP("192.168.1.1")}}
addr, err := Resolve(ctx, "tcp", "example.com:8080", r, nil, nil)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if addr != "192.168.1.1:8080" {
t.Errorf("expected 192.168.1.1:8080, got %s", addr)
}
}
func TestResolve_ResolverInvalid(t *testing.T) {
ctx := context.Background()
r := &mockResolver{err: resolver.ErrInvalid}
addr, err := Resolve(ctx, "tcp", "example.com:8080", r, nil, nil)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if addr != "example.com:8080" {
t.Errorf("expected example.com:8080, got %s", addr)
}
}
func TestResolve_ResolverOtherError(t *testing.T) {
ctx := context.Background()
r := &mockResolver{err: net.UnknownNetworkError("test-error")}
_, err := Resolve(ctx, "tcp", "example.com:8080", r, nil, nil)
if err == nil {
t.Error("expected error, got nil")
}
}
func TestResolve_ResolverEmptyResult(t *testing.T) {
ctx := context.Background()
r := &mockResolver{ips: nil}
_, err := Resolve(ctx, "tcp", "example.com:8080", r, nil, nil)
if err == nil {
t.Error("expected error, got nil")
}
}
func TestResolve_NoResolverNoHosts(t *testing.T) {
ctx := context.Background()
addr, err := Resolve(ctx, "tcp", "example.com:8080", nil, nil, nil)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if addr != "example.com:8080" {
t.Errorf("expected example.com:8080, got %s", addr)
}
}
func TestResolve_HostsNoMatchUsesResolver(t *testing.T) {
ctx := context.Background()
mapper := &mockHostMapper{}
r := &mockResolver{ips: []net.IP{net.ParseIP("10.0.0.1")}}
addr, err := Resolve(ctx, "tcp", "example.com:8080", r, mapper, nil)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if addr != "10.0.0.1:8080" {
t.Errorf("expected 10.0.0.1:8080, got %s", addr)
}
}