How to use openFile method of log Package

Best K6 code snippet using log.openFile

file_storage_test.go

Source:file_storage_test.go

1// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>2// All rights reserved.3//4// Use of this source code is governed by a BSD-style license that can be5// found in the LICENSE file.6package storage7import (8	"fmt"9	"os"10	"path/filepath"11	"testing"12)13var cases = []struct {14	oldName []string15	name    string16	ftype   FileType17	num     int6418}{19	{nil, "000100.log", TypeJournal, 100},20	{nil, "000000.log", TypeJournal, 0},21	{[]string{"000000.sst"}, "000000.ldb", TypeTable, 0},22	{nil, "MANIFEST-000002", TypeManifest, 2},23	{nil, "MANIFEST-000007", TypeManifest, 7},24	{nil, "9223372036854775807.log", TypeJournal, 9223372036854775807},25	{nil, "000100.tmp", TypeTemp, 100},26}27var invalidCases = []string{28	"",29	"foo",30	"foo-dx-100.log",31	".log",32	"",33	"manifest",34	"CURREN",35	"CURRENTX",36	"MANIFES",37	"MANIFEST",38	"MANIFEST-",39	"XMANIFEST-3",40	"MANIFEST-3x",41	"LOC",42	"LOCKx",43	"LO",44	"LOGx",45	"18446744073709551616.log",46	"184467440737095516150.log",47	"100",48	"100.",49	"100.lop",50}51func TestFileStorage_CreateFileName(t *testing.T) {52	for _, c := range cases {53		if name := fsGenName(FileDesc{c.ftype, c.num}); name != c.name {54			t.Errorf("invalid filename got '%s', want '%s'", name, c.name)55		}56	}57}58func TestFileStorage_ParseFileName(t *testing.T) {59	for _, c := range cases {60		for _, name := range append([]string{c.name}, c.oldName...) {61			fd, ok := fsParseName(name)62			if !ok {63				t.Errorf("cannot parse filename '%s'", name)64				continue65			}66			if fd.Type != c.ftype {67				t.Errorf("filename '%s' invalid type got '%d', want '%d'", name, fd.Type, c.ftype)68			}69			if fd.Num != c.num {70				t.Errorf("filename '%s' invalid number got '%d', want '%d'", name, fd.Num, c.num)71			}72		}73	}74}75func TestFileStorage_InvalidFileName(t *testing.T) {76	for _, name := range invalidCases {77		if fsParseNamePtr(name, nil) {78			t.Errorf("filename '%s' should be invalid", name)79		}80	}81}82func TestFileStorage_Locking(t *testing.T) {83	path := filepath.Join(os.TempDir(), fmt.Sprintf("goleveldb-testrwlock-%d", os.Getuid()))84	if err := os.RemoveAll(path); err != nil && !os.IsNotExist(err) {85		t.Fatal("RemoveAll: got error: ", err)86	}87	defer os.RemoveAll(path)88	p1, err := OpenFile(path, false)89	if err != nil {90		t.Fatal("OpenFile(1): got error: ", err)91	}92	p2, err := OpenFile(path, false)93	if err != nil {94		t.Logf("OpenFile(2): got error: %s (expected)", err)95	} else {96		p2.Close()97		p1.Close()98		t.Fatal("OpenFile(2): expect error")99	}100	p1.Close()101	p3, err := OpenFile(path, false)102	if err != nil {103		t.Fatal("OpenFile(3): got error: ", err)104	}105	defer p3.Close()106	l, err := p3.Lock()107	if err != nil {108		t.Fatal("storage lock failed(1): ", err)109	}110	_, err = p3.Lock()111	if err == nil {112		t.Fatal("expect error for second storage lock attempt")113	} else {114		t.Logf("storage lock got error: %s (expected)", err)115	}116	l.Release()117	_, err = p3.Lock()118	if err != nil {119		t.Fatal("storage lock failed(2): ", err)120	}121}122func TestFileStorage_ReadOnlyLocking(t *testing.T) {123	path := filepath.Join(os.TempDir(), fmt.Sprintf("goleveldb-testrolock-%d", os.Getuid()))124	if err := os.RemoveAll(path); err != nil && !os.IsNotExist(err) {125		t.Fatal("RemoveAll: got error: ", err)126	}127	defer os.RemoveAll(path)128	p1, err := OpenFile(path, false)129	if err != nil {130		t.Fatal("OpenFile(1): got error: ", err)131	}132	_, err = OpenFile(path, true)133	if err != nil {134		t.Logf("OpenFile(2): got error: %s (expected)", err)135	} else {136		t.Fatal("OpenFile(2): expect error")137	}138	p1.Close()139	p3, err := OpenFile(path, true)140	if err != nil {141		t.Fatal("OpenFile(3): got error: ", err)142	}143	p4, err := OpenFile(path, true)144	if err != nil {145		t.Fatal("OpenFile(4): got error: ", err)146	}147	_, err = OpenFile(path, false)148	if err != nil {149		t.Logf("OpenFile(5): got error: %s (expected)", err)150	} else {151		t.Fatal("OpenFile(2): expect error")152	}153	p3.Close()154	p4.Close()155}...

openFile

Using AI Code Generation

1import (2func main() {3	f, err := os.OpenFile("log.txt", os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)4	if err != nil {5		log.Fatal(err)6	}7	defer f.Close()8	log.SetOutput(f)9	log.Println("Hello, log file!")10	log.Println("Another log entry!")11}122. Using log.SetOutput() method to write logs to a file13import (14func main() {15	f, err := os.OpenFile("log.txt", os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)16	if err != nil {17		log.Fatal(err)18	}19	defer f.Close()20	log.SetOutput(f)21	log.Println("Hello, log file!")22	log.Println("Another log entry!")23}243. Using log.SetFlags() method to set log flags25import (26func main() {27	f, err := os.OpenFile("log.txt", os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)28	if err != nil {29		log.Fatal(err)30	}31	defer f.Close()32	log.SetOutput(f)33	log.SetFlags(log.Lshortfile)

openFile

Using AI Code Generation

1import (2func main() {3    file, err := os.OpenFile("test.log", os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0666)4    if err != nil {5        log.Fatal(err)6    }7    log.SetOutput(file)8    log.Println("Hello, playground")9    log.Println("Hello, playground")10    log.Println("Hello, playground")11}

openFile

Using AI Code Generation

1import (2func main() {3    f, err := os.OpenFile("test.log", os.O_APPEND|os.O_WRONLY, 0666)4    if err != nil {5        log.Fatalf("error opening file: %v", err)6    }7    defer f.Close()8    log.SetOutput(f)9    log.Println("This is a test log entry")10}

openFile

Using AI Code Generation

1import (2func main() {3f, err := os.OpenFile("test.txt", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)4if err != nil {5log.Fatal(err)6}7if _, err := f.Write([]byte("appending some data8")); err != nil {9log.Fatal(err)10}11if err := f.Close(); err != nil {12log.Fatal(err)13}14}15import (16func main() {17f, err := os.OpenFile("test.txt", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)18if err != nil {19log.Fatal(err)20}21log.SetOutput(f)22log.Println("appending some data")23if err := f.Close(); err != nil {24log.Fatal(err)25}26}

openFile

Using AI Code Generation

1import (2func main() {3	file, err := os.OpenFile("log.txt", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)4	if err != nil {5		log.Fatal(err)6	}7	defer file.Close()8	log.SetOutput(file)9	log.Println("Hello World")10}11import (12func main() {13	file, err := os.OpenFile("log.txt", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)14	if err != nil {15		log.Fatal(err)16	}17	defer file.Close()18	log.SetOutput(file)19	log.Println("Hello World")20}21import (22func main() {23	file, err := os.OpenFile("log.txt", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)24	if err != nil {25		log.Fatal(err)26	}27	defer file.Close()28	log.SetOutput(file)29	log.Println("Hello World")30}31import (32func main() {33	file, err := os.OpenFile("log.txt", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)34	if err != nil {35		log.Fatal(err)36	}37	defer file.Close()38	log.SetOutput(file)39	log.SetPrefix("My Prefix: ")40	log.Println("Hello World")41}42import (

openFile

Using AI Code Generation

1import (2func main() {3file, err := os.OpenFile("test.log", os.O_WRONLY|os.O_CREATE, 0666)4if err != nil {5log.Fatal(err)6}7defer file.Close()8log.SetOutput(file)9log.Println("Hello, log file!")10}11import (12func main() {13file, err := os.OpenFile("test.log", os.O_WRONLY|os.O_CREATE, 0666)14if err != nil {15log.Fatal(err)16}17defer file.Close()18log.SetOutput(file)19log.Println("Hello, log file!")20}21import (22func main() {23file, err := os.OpenFile("test.log", os.O_WRONLY|os.O_CREATE, 0666)24if err != nil {25log.Fatal(err)26}27defer file.Close()28log.SetOutput(file)29log.Println("Hello, log file!")30}31import (32func main() {33file, err := os.OpenFile("test.log", os.O_WRONLY|os.O_CREATE, 0666)34if err != nil {35log.Fatal(err)36}37defer file.Close()38log.SetOutput(file)39log.Println("Hello, log file!")40}

openFile

Using AI Code Generation

1import (2func main() {3	f, err := os.OpenFile("log.txt", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)4	if err != nil {5		log.Fatalln("Error opening file: ", err)6	}7	log.SetOutput(f)8	log.SetPrefix("TRACE: ")9	log.SetFlags(log.Ldate | log.Lmicroseconds | log.Llongfile)10	log.Println("I have something standard to say")11	log.Fatalln("I am dying here")12	log.Panicln("I am panicking here")13}14log.Panicln(0

openFile

Using AI Code Generation

1import "log"2func main() {3f, err := os.OpenFile("log.txt", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)4if err != nil {5log.Fatalf("error opening file: %v", err)6}7defer f.Close()8log.SetOutput(f)9log.Println("This is a regular message.")10log.Fatal("This is a fatal message.")11}

openFile

Using AI Code Generation

1import (2func main() {3f, err := os.Create("test.txt")4if err != nil {5log.Fatal(err)6}7defer f.Close()8log.SetOutput(f)9log.Println("This is a test log entry")10}11import (12func main() {13f, err := os.OpenFile("test.txt", os.O_APPEND|os.O_WRONLY, 0644)14if err != nil {15log.Fatal(err)16}17defer f.Close()18log.SetOutput(f)19log.Println("This is a test log entry")20}21import (22func main() {23f, err := os.OpenFile("test.txt", os.O_APPEND|os.O_WRONLY, 0644)24if err != nil {25log.Fatal(err)26}27defer f.Close()28log.SetOutput(f)29log.Println("This is a test log entry")30}31import (32func main() {33f, err := os.OpenFile("test.txt", os.O_APPEND|os.O_WRONLY, 0644)34if err != nil {35log.Fatal(err)36}37defer f.Close()38log.SetOutput(f)39log.Println("This is a test log entry")40}41import (42func main() {43f, err := os.OpenFile("test.txt", os.O_APPEND|os.O_WRONLY, 0644)

openFile

Using AI Code Generation

1import (2func main() {3	file, err := os.OpenFile("log.txt", os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)4	if err != nil {5		log.Fatal(err)6	}7	log.SetOutput(file)8	log.Println("This is

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