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How to use newLogWriter method of logger Package

Best Gauge code snippet using logger.newLogWriter

log_writer_test.go

Source:log_writer_test.go

1package log2import (3	"testing"4	"github.com/inconshreveable/log15"5	. "github.com/smartystreets/goconvey/convey"6)7type FakeLogger struct {8	debug string9	info  string10	warn  string11	err   string12	crit  string13}14func (f *FakeLogger) New(ctx ...interface{}) log15.Logger {15	return nil16}17func (f *FakeLogger) Debug(msg string, ctx ...interface{}) {18	f.debug = msg19}20func (f *FakeLogger) Info(msg string, ctx ...interface{}) {21	f.info = msg22}23func (f *FakeLogger) Warn(msg string, ctx ...interface{}) {24	f.warn = msg25}26func (f *FakeLogger) Error(msg string, ctx ...interface{}) {27	f.err = msg28}29func (f *FakeLogger) Crit(msg string, ctx ...interface{}) {30	f.crit = msg31}32func (f *FakeLogger) GetHandler() log15.Handler {33	return nil34}35func (f *FakeLogger) SetHandler(l log15.Handler) {}36func TestLogWriter(t *testing.T) {37	Convey("When writing to a LogWriter", t, func() {38		Convey("Should write using the correct level [crit]", func() {39			fake := &FakeLogger{}40			crit := NewLogWriter(fake, LvlCrit, "")41			n, err := crit.Write([]byte("crit"))42			So(n, ShouldEqual, 4)43			So(err, ShouldBeNil)44			So(fake.crit, ShouldEqual, "crit")45		})46		Convey("Should write using the correct level [error]", func() {47			fake := &FakeLogger{}48			crit := NewLogWriter(fake, LvlError, "")49			n, err := crit.Write([]byte("error"))50			So(n, ShouldEqual, 5)51			So(err, ShouldBeNil)52			So(fake.err, ShouldEqual, "error")53		})54		Convey("Should write using the correct level [warn]", func() {55			fake := &FakeLogger{}56			crit := NewLogWriter(fake, LvlWarn, "")57			n, err := crit.Write([]byte("warn"))58			So(n, ShouldEqual, 4)59			So(err, ShouldBeNil)60			So(fake.warn, ShouldEqual, "warn")61		})62		Convey("Should write using the correct level [info]", func() {63			fake := &FakeLogger{}64			crit := NewLogWriter(fake, LvlInfo, "")65			n, err := crit.Write([]byte("info"))66			So(n, ShouldEqual, 4)67			So(err, ShouldBeNil)68			So(fake.info, ShouldEqual, "info")69		})70		Convey("Should write using the correct level [debug]", func() {71			fake := &FakeLogger{}72			crit := NewLogWriter(fake, LvlDebug, "")73			n, err := crit.Write([]byte("debug"))74			So(n, ShouldEqual, 5)75			So(err, ShouldBeNil)76			So(fake.debug, ShouldEqual, "debug")77		})78		Convey("Should prefix the output with the prefix", func() {79			fake := &FakeLogger{}80			crit := NewLogWriter(fake, LvlDebug, "prefix")81			n, err := crit.Write([]byte("debug"))82			So(n, ShouldEqual, 5) // n is how much of input consumed83			So(err, ShouldBeNil)84			So(fake.debug, ShouldEqual, "prefixdebug")85		})86	})87}...

newLogWriter

Using AI Code Generation

1import (2func main() {3fmt.Println("Hello World!")4}5import (6func main() {7fmt.Println("Hello World!")8}9import (10type logger struct {11}12func newLogWriter() *logger {13return &logger{14log: log.New(os.Stdout, "", 0),15}16}17func (l *logger) println(v ...interface{}) {18l.log.Println(v...)19}20import (21func main() {22fmt.Println("Hello World!")23}

newLogWriter

Using AI Code Generation

1func main() {2    logger := NewLogWriter()3    logger.log("hello")4}5func main() {6    logger := NewLogWriter()7    logger.log("hello")8}9func main() {10    logger := NewLogWriter()11    logger.Log("hello")12}13func main() {14    logger := NewLogWriter()15    logger.Log("hello")16}

newLogWriter

Using AI Code Generation

1import (2func main() {3	log.SetOutput(newLogWriter())4	log.Println("Hello World!")5}6import (7type logWriter struct{}8func newLogWriter() io.Writer {9	return &logWriter{}10}11func (l *logWriter) Write(p []byte) (n int, err error) {12	fmt.Println(string(p))13	return len(p), nil14}15func main() {16	file, err := os.OpenFile("log.txt", os.O_CREATE|os.O_WRONLY, 0666)17	if err != nil {18		panic(err)19	}20	defer file.Close()21	log.SetOutput(file)22	log.Println("Hello World!")23}24import (25type logWriter struct{}26func newLogWriter() io.Writer {27	return &logWriter{}28}29func (l *logWriter) Write(p []byte) (n int, err error) {30	fmt.Println(string(p))31	return len(p), nil32}33func main() {34	file, err := os.OpenFile("log.txt", os.O_CREATE|os.O_WRONLY, 0666)35	if err != nil {36		panic(err)37	}38	defer file.Close()39	log.SetOutput(io.MultiWriter(file, os.Stdout))40	log.Println("Hello World!")41}42import (43type logWriter struct{}44func newLogWriter() io.Writer {45	return &logWriter{}46}47func (l *logWriter) Write(p []byte) (n int, err error) {48	fmt.Println(string(p))49	return len(p), nil50}51func main() {52	file, err := os.OpenFile("log.txt", os.O_CREATE|os.O_WRONLY, 0666)53	if err != nil {54		panic(err)55	}56	defer file.Close()57	log.SetOutput(io.MultiWriter(file, os.Stdout))58	log.SetFlags(log.LstdFlags | log.Lshortfile)59	log.Println("Hello World!")60}61import (62type logWriter struct{}63func newLogWriter() io.Writer {64	return &logWriter{}65}66func (l *logWriter) Write(p []byte) (n int, err error) {67	fmt.Println(string(p

newLogWriter

Using AI Code Generation

1func main() {2    logger := NewLogger()3    logger.SetWriter(newLogWriter())4    logger.Log("hello, world")5}6func main() {7    logger := NewLogger()8    logger.SetWriter(newLogWriter())9    logger.Log("hello, world")10}11func main() {12    logger := NewLogger()13    logger.SetWriter(newLogWriter())14    logger.Log("hello, world")15}16func main() {17    logger := NewLogger()18    logger.SetWriter(newLogWriter())19    logger.Log("hello, world")20}21func main() {22    logger := NewLogger()23    logger.SetWriter(newLogWriter())24    logger.Log("hello, world")25}26func main() {27    logger := NewLogger()28    logger.SetWriter(newLogWriter())29    logger.Log("hello, world")30}31func main() {32    logger := NewLogger()33    logger.SetWriter(newLogWriter())34    logger.Log("hello, world")35}36func main() {37    logger := NewLogger()38    logger.SetWriter(newLogWriter())39    logger.Log("hello, world")40}41func main() {42    logger := NewLogger()43    logger.SetWriter(newLogWriter())44    logger.Log("hello, world")45}46func main() {47    logger := NewLogger()48    logger.SetWriter(newLogWriter())49    logger.Log("hello, world")50}51func main() {52    logger := NewLogger()53    logger.SetWriter(newLogWriter())54    logger.Log("hello, world")55}

newLogWriter

Using AI Code Generation

1import (2func main() {3	logger := NewLogWriter(logFile)4	log.SetOutput(logger)5	log.Println("This is a log message")6}7import (8type LogWriter struct {9}10func NewLogWriter(fileName string) *LogWriter {11	file, err := os.OpenFile(fileName, os.O_WRONLY|os.O_CREATE, 0666)12	if err != nil {13		fmt.Println("Error in opening file")14	}15	return &LogWriter{file: file}16}17func (l *LogWriter) Write(p []byte) (n int, err error) {18	return l.file.Write(p)19}

newLogWriter

Using AI Code Generation

1import "log"2func main() {3  f, err := os.OpenFile("log.txt", os.O_WRONLY | os.O_CREATE | os.O_APPEND, 0644)4  if err != nil {5    fmt.Println("error opening file: %v", err)6  }7  defer f.Close()8  logger := log.New(f, "prefix", log.LstdFlags)9  logger.Println("This is a test log entry")10}11Recommended Posts: Golang | log.Fatal() Vs log.Panic()

newLogWriter

Using AI Code Generation

1import (2func main() {3    log := logger.NewLogWriter("log.txt")4    log.Write([]byte("Hello World"))5    fmt.Println("Hello World")6}7import (8func main() {9    log := logger.NewLogWriter("log.txt")10    log.Write([]byte("Hello World"))11    fmt.Println("Hello World")12}13import (14func main() {15    log := logger.NewLogWriter("log.txt")16    log.Write([]byte("Hello World"))17    fmt.Println("Hello World")18}19import (20func main() {21    log := logger.NewLogWriter("log.txt")22    log.Write([]byte("Hello World"))23    fmt.Println("Hello World")24}25import (26func main() {27    log := logger.NewLogWriter("log.txt")28    log.Write([]byte("Hello World"))29    fmt.Println("Hello World")30}31import (32func main() {33    log := logger.NewLogWriter("log.txt")34    log.Write([]byte("Hello World"))35    fmt.Println("Hello World")36}37import (

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