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Custom marshaller, improve stacktrace #4

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@max107 max107 commented Feb 11, 2024

zerolog с недавних пор умеет в multiline rs/zerolog#416, что удобно для локальной работы. В данном МР унифицировано получение / форматирование stacktrace для werr и работы с zerolog

log.Output(zerolog.ConsoleWriter{
	Out:           w,
	NoColor:       true,
	TimeFormat:    time.RFC3339,
	FieldsExclude: []string{zerolog.ErrorStackFieldName},
	FormatExtra: func(evt map[string]interface{}, buf *bytes.Buffer) error {
		if stack, ok := evt["stack"]; ok {
			buf.WriteString("\nstacktrace:\n")
			for _, line := range strings.Split(stack.(string), ",") {
				buf.WriteString(line + "\n")
			}
		}

		return nil
	},
})

пример

t.Run("pretty_stack_werr", func(t *testing.T) {
		t.Parallel()

		werr.ErrorStackMarshaler = func(err error, msg string, frames stacktrace.Frames) string {
			result := werr.UnwrapAll(err).Error()
			if len(msg) > 0 {
				result = result + " " + msg
			}

			return result
		}

		var buf bytes.Buffer

		l := logger.NewWithOut(true, zerolog.DebugLevel, &buf)
		l.Err(werrErr()).Msg("hello")

		raw, err := io.ReadAll(&buf)
		require.NoError(t, err)

		out := strings.TrimSpace(string(raw))

		require.Contains(t, out, `example error`)
		require.Contains(t, out, `ERR logger/logger_test.go:82 > hello error="example error"
stacktrace:
zerolog/log.go:377#(*Logger).Err
logger/logger_test.go:82#TestLogger.func3`)
	})
image

@max107 max107 changed the title marshaller with line number Custom marshaller, improve stacktrace Feb 11, 2024
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max107 commented Feb 18, 2024

@AlexanderMint ping

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