package log_test import ( "context" "testing" "github.com/golang/mock/gomock" "github.com/v2fly/v2ray-core/v5/app/log" "github.com/v2fly/v2ray-core/v5/common" clog "github.com/v2fly/v2ray-core/v5/common/log" "github.com/v2fly/v2ray-core/v5/testing/mocks" ) func TestCustomLogHandler(t *testing.T) { mockCtl := gomock.NewController(t) defer mockCtl.Finish() var loggedValue []string mockHandler := mocks.NewLogHandler(mockCtl) mockHandler.EXPECT().Handle(gomock.Any()).AnyTimes().DoAndReturn(func(msg clog.Message) { loggedValue = append(loggedValue, msg.String()) }) log.RegisterHandlerCreator(log.LogType_Console, func(lt log.LogType, options log.HandlerCreatorOptions) (clog.Handler, error) { return mockHandler, nil }) logger, err := log.New(context.Background(), &log.Config{ Error: &log.LogSpecification{Type: log.LogType_Console, Level: clog.Severity_Debug}, Access: &log.LogSpecification{Type: log.LogType_None}, }) common.Must(err) common.Must(logger.Start()) clog.Record(&clog.GeneralMessage{ Severity: clog.Severity_Debug, Content: "test", }) if len(loggedValue) < 2 { t.Fatal("expected 2 log messages, but actually ", loggedValue) } if loggedValue[1] != "[Debug] test" { t.Fatal("expected '[Debug] test', but actually ", loggedValue[1]) } common.Must(logger.Close()) }