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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"
)
var requestID ctxKey = "requestID"
func TestFields(t *testing.T) {
t.Parallel()
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))
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() any {
atomic.AddInt32(&cnt, 1)
return "some closure data"
},
)
log.DebugKVs(ctx, "debug message",
"closure", field.ClosureFn(func() any {
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) {
t.Parallel()
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) {
t.Parallel()
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 <nil> 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 <nil> err, got: %v", err)
}
success := "msg=\"\" requestID=<nil> level=error\n"
if buf.String() != success {
t.Errorf("invalid value\n got:%+v\n exp:%+v", buf, success)
}
}