From b258581f471a963704690979669cd60ff7d9b567 Mon Sep 17 00:00:00 2001
From: 9seconds <nineseconds@yandex.ru>
Date: Thu, 18 Mar 2021 10:15:22 +0300
Subject: [PATCH] Add Printf method to logger

---
 logger/noop.go         | 1 +
 logger/noop_test.go    | 1 +
 logger/zerolog.go      | 6 ++++++
 logger/zerolog_test.go | 7 ++++++-
 mtglib/init.go         | 1 +
 5 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/logger/noop.go b/logger/noop.go
index 6d7289c..d416542 100644
--- a/logger/noop.go
+++ b/logger/noop.go
@@ -7,6 +7,7 @@ type noopLogger struct{}
 func (n noopLogger) Named(_ string) mtglib.Logger          { return n }
 func (n noopLogger) BindInt(_ string, _ int) mtglib.Logger { return n }
 func (n noopLogger) BindStr(_, _ string) mtglib.Logger     { return n }
+func (n noopLogger) Printf(_ string, _ ...interface{})     {}
 func (n noopLogger) Info(_ string)                         {}
 func (n noopLogger) Warning(_ string)                      {}
 func (n noopLogger) Debug(_ string)                        {}
diff --git a/logger/noop_test.go b/logger/noop_test.go
index add8464..ca05901 100644
--- a/logger/noop_test.go
+++ b/logger/noop_test.go
@@ -18,6 +18,7 @@ func (suite *NoopLoggerTestSuite) TestLog() {
 		suite.Empty(testlib.CaptureStderr(func() {
 			log := logger.NewNoopLogger().Named("name")
 
+			log.BindInt("int", 1).BindStr("str", "1").Printf("info", 1, 2)
 			log.BindInt("int", 1).BindStr("str", "1").Info("info")
 			log.BindInt("int", 1).BindStr("str", "1").Warning("info")
 			log.BindInt("int", 1).BindStr("str", "1").Debug("info")
diff --git a/logger/zerolog.go b/logger/zerolog.go
index 4142453..d504afa 100644
--- a/logger/zerolog.go
+++ b/logger/zerolog.go
@@ -1,6 +1,8 @@
 package logger
 
 import (
+	"fmt"
+
 	"github.com/9seconds/mtg/v2/mtglib"
 	"github.com/rs/zerolog"
 )
@@ -64,6 +66,10 @@ func (z *zeroLogContext) BindStr(name, value string) mtglib.Logger {
 	}
 }
 
+func (z *zeroLogContext) Printf(format string, args ...interface{}) {
+	z.Debug(fmt.Sprintf(format, args...))
+}
+
 func (z *zeroLogContext) Info(msg string) {
 	z.InfoError(msg, nil)
 }
diff --git a/logger/zerolog_test.go b/logger/zerolog_test.go
index 4b2308f..a3e9ae2 100644
--- a/logger/zerolog_test.go
+++ b/logger/zerolog_test.go
@@ -41,6 +41,7 @@ func (suite *ZeroLoggerTestSuite) TestLog() {
 	testData := map[string]func(mtglib.Logger){
 		"info":        func(l mtglib.Logger) { l.Info("hello") },
 		"warn":        func(l mtglib.Logger) { l.Warning("hello") },
+		"printf":      func(l mtglib.Logger) { l.Printf("hello") },
 		"debug":       func(l mtglib.Logger) { l.Debug("hello") },
 		"info-error":  func(l mtglib.Logger) { l.InfoError("hello", io.EOF) },
 		"warn-error":  func(l mtglib.Logger) { l.WarningError("hello", io.EOF) },
@@ -64,13 +65,17 @@ func (suite *ZeroLoggerTestSuite) TestLog() {
 			timestamp := time.Unix(msg.Timestamp/1000, (msg.Timestamp%1000)*1_000_000)
 			assert.WithinDuration(t, time.Now(), timestamp, 100*time.Millisecond)
 
+			if level == "printf" {
+				level = "debug"
+			}
+
 			assert.Equal(t, level, msg.Level)
 			assert.Equal(t, name, msg.StrParam)
 			assert.EqualValues(t, 1, msg.IntParam)
 			assert.Equal(t, "name", msg.Logger)
 			assert.Equal(t, "hello", msg.Message)
 
-			if level != name {
+			if level != name && name != "printf" {
 				assert.Equal(t, io.EOF.Error(), msg.Error)
 			} else {
 				assert.Empty(t, msg.Error)
diff --git a/mtglib/init.go b/mtglib/init.go
index b3d53a3..3ea5e30 100644
--- a/mtglib/init.go
+++ b/mtglib/init.go
@@ -52,6 +52,7 @@ type Logger interface {
 	BindInt(name string, value int) Logger
 	BindStr(name, value string) Logger
 
+	Printf(format string, args ...interface{})
 	Info(msg string)
 	InfoError(msg string, err error)
 	Warning(msg string)