added panic & panicf method

Author: jeevatkm

default.go

@@ -4,7 +4,10 @@
 
 package log
 
-import "os"
+import (
+	"fmt"
+	"os"
+)
 
 var stdLogger Logger
 
@@ -20,6 +23,18 @@ func Fatalf(format string, v ...interface{}) {
 	os.Exit(1)
 }
 
+// Panic logs message as `PANIC` and calls panic()
+func Panic(v ...interface{}) {
+	_ = stdLogger.Output(levelPanic, 2, nil, v...)
+	panic("")
+}
+
+// Panicf logs message as `PANIC` and calls panic()
+func Panicf(format string, v ...interface{}) {
+	_ = stdLogger.Output(levelPanic, 2, &format, v...)
+	panic(fmt.Sprintf(format, v...))
+}
+
 // Error logs message as `LevelError`
 func Error(v ...interface{}) {
 	_ = stdLogger.Output(LevelError, 2, nil, v...)

default_test.go

@@ -40,3 +40,25 @@ func TestDefaultStandardLogger(t *testing.T) {
 	SetOutput(newLogger)
 	Info("Fresh new face ...")
 }
+
+func TestPanicDefaultStandardLogger(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			_ = r
+		}
+	}()
+
+	SetLevel(levelPanic)
+	Panic("This is panic message")
+}
+
+func TestPanicfDefaultStandardLogger(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			_ = r
+		}
+	}()
+
+	SetLevel(levelPanic)
+	Panicf("This is panic %v", "message from param")
+}

log.go

@@ -38,6 +38,7 @@ type FmtFlag uint8
 // Log Level definition
 const (
 	levelFatal Level = iota
+	levelPanic
 	LevelError
 	LevelWarn
 	LevelInfo
@@ -105,6 +106,7 @@ var (
 
 	levelNameToLevel = map[string]Level{
 		"FATAL": levelFatal,
+		"PANIC": levelPanic,
 		"ERROR": LevelError,
 		"WARN":  LevelWarn,
 		"INFO":  LevelInfo,
@@ -114,6 +116,7 @@ var (
 
 	levelToLevelName = map[Level]string{
 		levelFatal: "FATAL",
+		levelPanic: "PANIC",
 		LevelError: "ERROR",
 		LevelWarn:  "WARN",
 		LevelInfo:  "INFO",
@@ -125,6 +128,7 @@ var (
 	resetColor   = []byte("\033[0m")
 	levelToColor = [][]byte{
 		levelFatal: []byte("\033[0;31m"), // red
+		levelPanic: []byte("\033[0;31m"), // red
 		LevelError: []byte("\033[0;31m"), // red
 		LevelWarn:  []byte("\033[0;33m"), // yellow
 		LevelInfo:  []byte("\033[0;37m"), // white
@@ -170,6 +174,9 @@ type Logger interface {
 	Fatal(v ...interface{})
 	Fatalf(format string, v ...interface{})
 
+	Panic(v ...interface{})
+	Panicf(format string, v ...interface{})
+
 	Error(v ...interface{})
 	Errorf(format string, v ...interface{})
 

log_test.go

@@ -291,6 +291,46 @@ func TestStats(t *testing.T) {
 	assert.Equal(t, int64(200), stats.Lines())
 }
 
+func TestPanicCustomConsoleReceiver(t *testing.T) {
+	config := `
+# console logger configuration
+# "CONSOLE" uppercasse works too
+receiver = "CONSOLE"
+
+level = "panic"
+ `
+	defer func() {
+		if r := recover(); r != nil {
+			_ = r
+		}
+	}()
+
+	logger, err := New(config)
+	assert.FailNowOnError(t, err, "unexpected error")
+
+	logger.Panic("This is panic message")
+}
+
+func TestPanicfCustomConsoleReceiver(t *testing.T) {
+	config := `
+# console logger configuration
+# "CONSOLE" uppercasse works too
+receiver = "CONSOLE"
+
+level = "panic"
+ `
+	defer func() {
+		if r := recover(); r != nil {
+			_ = r
+		}
+	}()
+
+	logger, err := New(config)
+	assert.FailNowOnError(t, err, "unexpected error")
+
+	logger.Panicf("This is panic %v", "message from param")
+}
+
 func cleaupFiles(match string) {
 	pwd, _ := os.Getwd()
 

receiver.go

@@ -166,6 +166,18 @@ func (r *Receiver) Fatalf(format string, v ...interface{}) {
 	os.Exit(1)
 }
 
+// Panic logs message as `PANIC` and calls panic()
+func (r *Receiver) Panic(v ...interface{}) {
+	_ = r.Output(levelPanic, 2, nil, v...)
+	panic("")
+}
+
+// Panicf logs message as `PANIC` and calls panic()
+func (r *Receiver) Panicf(format string, v ...interface{}) {
+	_ = r.Output(levelPanic, 2, &format, v...)
+	panic(fmt.Sprintf(format, v...))
+}
+
 // Error logs message as `LevelError`
 func (r *Receiver) Error(v ...interface{}) {
 	_ = r.Output(LevelError, 2, nil, v...)