package log_test import ( "bytes" "context" "os" "sync/atomic" "testing" "gitoa.ru/go-4devs/log" "gitoa.ru/go-4devs/log/entry" "gitoa.ru/go-4devs/log/field" "gitoa.ru/go-4devs/log/level" ) //nolint:gochecknoglobals var requestID ctxKey = "requestID" func TestFields(t *testing.T) { type rObj struct { id string } var cnt int32 ctx := context.Background() buf := &bytes.Buffer{} log := log.New(log.WithWriter(buf)). With(log.WithLevel("level", level.Info), log.WithClosure) success := "msg=\"message\" err=file already exists version=0.1.0 obj={id:uid} closure=some closure data level=info\n" log.InfoKVs(ctx, "message", "err", os.ErrExist, "version", "0.1.0", "obj", rObj{id: "uid"}, "closure", func() string { atomic.AddInt32(&cnt, 1) return "some closure data" }, ) log.DebugKVs(ctx, "debug message", "closure", func() string { atomic.AddInt32(&cnt, 1) return "some debug data" }, ) if success != buf.String() { t.Errorf("invalid value\n got:%s\n exp:%s", buf, success) } if cnt != 1 { t.Errorf("invalid cnt value\n got:%d\n exp:1", cnt) } } func TestWriter(t *testing.T) { ctx := context.Background() success := "msg=\"info message\" err=file already exists requestID=6a5fa048-7181-11ea-bc55-0242ac1311113 level=info\n" buf := &bytes.Buffer{} logger := log.New(log.WithWriter(buf)).With(log.WithContextValue(requestID), log.WithLevel("level", level.Info)) _, _ = logger.Writer( context.WithValue(ctx, requestID, "6a5fa048-7181-11ea-bc55-0242ac1311113"), level.Info, field.Error("err", os.ErrExist), ).Write([]byte("info message")) if success != buf.String() { t.Errorf("invalid value\n got:%s\n exp:%s", buf, success) } buf.Reset() _, _ = logger.Writer(ctx, level.Debug).Write([]byte("debug message")) if buf.String() != "" { t.Errorf("invalid value\n got:%s\n exp:%s", buf, success) } } func TestLogger(t *testing.T) { ctx := context.Background() buf := &bytes.Buffer{} logger := log.New(log.WithWriter(buf)).With(log.WithContextValue(requestID), log.WithLevel("level", level.Info)) _, err := logger(ctx, nil) if err != nil { t.Fatalf("expected err, got: %v", err) } if buf.String() != "" { t.Errorf("invalid value\n got:%+v\n exp:\"\"", buf) } _, err = logger(ctx, entry.New().SetLevel(level.Error)) if err != nil { t.Fatalf("expected err, got: %v", err) } success := "msg=\"\" requestID= level=error\n" if buf.String() != success { t.Errorf("invalid value\n got:%+v\n exp:%+v", buf, success) } }