cosmos-sdk/log/slog/logger_test.go
2024-10-24 18:24:31 +00:00

93 lines
2.0 KiB
Go

package slog_test
import (
"bytes"
"encoding/json"
stdslog "log/slog"
"testing"
"cosmossdk.io/log/slog"
)
func TestSlog(t *testing.T) {
var buf bytes.Buffer
h := stdslog.NewJSONHandler(&buf, &stdslog.HandlerOptions{
Level: stdslog.LevelDebug,
})
logger := slog.NewCustomLogger(stdslog.New(h))
type logLine struct {
Level string `json:"level"`
Msg string `json:"msg"`
Num int `json:"num"`
}
var line logLine
logger.Debug("Message one", "num", 1)
if err := json.Unmarshal(buf.Bytes(), &line); err != nil {
t.Fatal(err)
}
if want := (logLine{
Level: stdslog.LevelDebug.String(),
Msg: "Message one",
Num: 1,
}); want != line {
t.Fatalf("unexpected log record: want %v, got %v", want, line)
}
buf.Reset()
logger.Info("Message two", "num", 2)
if err := json.Unmarshal(buf.Bytes(), &line); err != nil {
t.Fatal(err)
}
if want := (logLine{
Level: stdslog.LevelInfo.String(),
Msg: "Message two",
Num: 2,
}); want != line {
t.Fatalf("unexpected log record: want %v, got %v", want, line)
}
buf.Reset()
logger.Warn("Message three", "num", 3)
if err := json.Unmarshal(buf.Bytes(), &line); err != nil {
t.Fatal(err)
}
if want := (logLine{
Level: stdslog.LevelWarn.String(),
Msg: "Message three",
Num: 3,
}); want != line {
t.Fatalf("unexpected log record: want %v, got %v", want, line)
}
buf.Reset()
logger.Error("Message four", "num", 4)
if err := json.Unmarshal(buf.Bytes(), &line); err != nil {
t.Fatal(err)
}
if want := (logLine{
Level: stdslog.LevelError.String(),
Msg: "Message four",
Num: 4,
}); want != line {
t.Fatalf("unexpected log record: want %v, got %v", want, line)
}
wLogger := logger.With("num", 5)
buf.Reset()
wLogger.Info("Using .With")
if err := json.Unmarshal(buf.Bytes(), &line); err != nil {
t.Fatal(err)
}
if want := (logLine{
Level: stdslog.LevelInfo.String(),
Msg: "Using .With",
Num: 5,
}); want != line {
t.Fatalf("unexpected log record: want %v, got %v", want, line)
}
}