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stringer event method (#185)

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Dima 2020-05-28 20:43:18 +03:00 committed by GitHub
parent 63767a55ec
commit 7825d86337
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 19 additions and 2 deletions
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2
README.md
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@ -439,7 +439,7 @@ c = c.Append(hlog.NewHandler(log))
c = c.Append(hlog.AccessHandler(func(r *http.Request, status, size int, duration time.Duration) {
hlog.FromRequest(r).Info().
Str("method", r.Method).
Str("url", r.URL.String()).
Stringer("url", r.URL).
Int("status", status).
Int("size", size).
Dur("duration", duration).

15
event.go
View File

@ -236,6 +236,21 @@ func (e *Event) Strs(key string, vals []string) *Event {
return e
}
// Stringer adds the field key with val.String() (or null if val is nil) to the *Event context.
func (e *Event) Stringer(key string, val fmt.Stringer) *Event {
if e == nil {
return e
}
if val != nil {
e.buf = enc.AppendString(enc.AppendKey(e.buf, key), val.String())
return e
}
e.buf = enc.AppendInterface(enc.AppendKey(e.buf, key), nil)
return e
}
// Bytes adds the field key with val as a string to the *Event context.
//
// Runes outside of normal ASCII ranges will be hex-encoded in the resulting

4
log_test.go
View File

@ -235,6 +235,8 @@ func TestFields(t *testing.T) {
log.Log().
Caller().
Str("string", "foo").
Stringer("stringer", net.IP{127, 0, 0, 1}).
Stringer("stringer_nil", nil).
Bytes("bytes", []byte("bar")).
Hex("hex", []byte{0x12, 0xef}).
RawJSON("json", []byte(`{"some":"json"}`)).
@ -261,7 +263,7 @@ func TestFields(t *testing.T) {
Time("time", time.Time{}).
TimeDiff("diff", now, now.Add(-10*time.Second)).
Msg("")
if got, want := decodeIfBinaryToString(out.Bytes()), `{"caller":"`+caller+`","string":"foo","bytes":"bar","hex":"12ef","json":{"some":"json"},"error":"some error","bool":true,"int":1,"int8":2,"int16":3,"int32":4,"int64":5,"uint":6,"uint8":7,"uint16":8,"uint32":9,"uint64":10,"IPv4":"192.168.0.100","IPv6":"2001:db8:85a3::8a2e:370:7334","Mac":"00:14:22:01:23:45","Prefix":"192.168.0.100/24","float32":11.1234,"float64":12.321321321,"dur":1000,"time":"0001-01-01T00:00:00Z","diff":10000}`+"\n"; got != want {
if got, want := decodeIfBinaryToString(out.Bytes()), `{"caller":"`+caller+`","string":"foo","stringer":"127.0.0.1","stringer_nil":null,"bytes":"bar","hex":"12ef","json":{"some":"json"},"error":"some error","bool":true,"int":1,"int8":2,"int16":3,"int32":4,"int64":5,"uint":6,"uint8":7,"uint16":8,"uint32":9,"uint64":10,"IPv4":"192.168.0.100","IPv6":"2001:db8:85a3::8a2e:370:7334","Mac":"00:14:22:01:23:45","Prefix":"192.168.0.100/24","float32":11.1234,"float64":12.321321321,"dur":1000,"time":"0001-01-01T00:00:00Z","diff":10000}`+"\n"; got != want {
t.Errorf("invalid log output:\ngot: %v\nwant: %v", got, want)
}
}