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package levels_test
import (
"bytes"
"os"
"testing"
levels "github.com/go-kit/kit/log/deprecated_levels"
"github.com/go-kit/log"
)
func TestDefaultLevels(t *testing.T) {
buf := bytes.Buffer{}
logger := levels.New(log.NewLogfmtLogger(&buf))
logger.Debug().Log("msg", "résumé") // of course you'd want to do this
if want, have := "level=debug msg=résumé\n", buf.String(); want != have {
t.Errorf("want %#v, have %#v", want, have)
}
buf.Reset()
logger.Info().Log("msg", "Åhus")
if want, have := "level=info msg=Åhus\n", buf.String(); want != have {
t.Errorf("want %#v, have %#v", want, have)
}
buf.Reset()
logger.Error().Log("msg", "© violation")
if want, have := "level=error msg=\"© violation\"\n", buf.String(); want != have {
t.Errorf("want %#v, have %#v", want, have)
}
buf.Reset()
logger.Crit().Log("msg", " ")
if want, have := "level=crit msg=\"\\t\"\n", buf.String(); want != have {
t.Errorf("want %#v, have %#v", want, have)
}
}
func TestModifiedLevels(t *testing.T) {
buf := bytes.Buffer{}
logger := levels.New(
log.NewJSONLogger(&buf),
levels.Key("l"),
levels.DebugValue("dbg"),
levels.InfoValue("nfo"),
levels.WarnValue("wrn"),
levels.ErrorValue("err"),
levels.CritValue("crt"),
)
logger.With("easter_island", "176°").Debug().Log("msg", "moai")
if want, have := `{"easter_island":"176°","l":"dbg","msg":"moai"}`+"\n", buf.String(); want != have {
t.Errorf("want %#v, have %#v", want, have)
}
}
func ExampleLevels() {
logger := levels.New(log.NewLogfmtLogger(os.Stdout))
logger.Debug().Log("msg", "hello")
logger.With("context", "foo").Warn().Log("err", "error")
// Output:
// level=debug msg=hello
// level=warn context=foo err=error
}
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