package log_test import ( "testing" "github.com/google/go-cmp/cmp" "github.com/v2fly/v2ray-core/v4/common/log" "github.com/v2fly/v2ray-core/v4/common/net" ) type testLogger struct { value string } func (l *testLogger) Handle(msg log.Message) { l.value = msg.String() } func TestLogRecord(t *testing.T) { var logger testLogger log.RegisterHandler(&logger) ip := "8.8.8.8" log.Record(&log.GeneralMessage{ Severity: log.Severity_Error, Content: net.ParseAddress(ip), }) if diff := cmp.Diff("[Error] "+ip, logger.value); diff != "" { t.Error(diff) } }