346 lines
9.7 KiB
Go
346 lines
9.7 KiB
Go
package fileUtil
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import (
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"bufio"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"runtime"
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"testing"
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"time"
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)
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func BenchmarkWriteFile(b *testing.B) {
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path := GetCurrentPath()
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fmt.Printf("CurrPath:%s\n", path)
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for i := 0; i < b.N; i++ {
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WriteFile(path, "test.txt", true, fmt.Sprintf("line %d", i))
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}
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}
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func TestIsFileExists(t *testing.T) {
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path := GetCurrentPath()
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fmt.Printf("CurrPath:%s\n", path)
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fileName := fmt.Sprintf("%s/%s", path, "test.txt")
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fmt.Printf("FileName:%s\n", fileName)
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if exists, err := IsFileExists(fileName); err != nil || exists {
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t.Errorf("the file %s should not be exists, but now it's exists", fileName)
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}
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if err := WriteFile(path, "test.txt", true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if exists, err := IsFileExists(fileName); err != nil || !exists {
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t.Errorf("the file %s should be exists, but now it's not exists", fileName)
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}
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if content, err := ReadFileContent(fileName); err != nil {
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t.Errorf("there should be no error, but now err:%s", err)
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} else {
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fmt.Printf("Content:%s\n", content)
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}
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DeleteFile(fileName)
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}
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func TestIsDirectoryExists(t *testing.T) {
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path := GetCurrentPath()
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fmt.Printf("CurrPath:%s\n", path)
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filePath := filepath.Join(path, "Parent")
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if exists, err := IsDirectoryExists(filePath); err != nil || exists {
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t.Errorf("the file %s should not be exists, but now it's exists", filePath)
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}
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fileName := fmt.Sprintf("%s/%s", filePath, "test.txt")
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if err := WriteFile(filePath, "test.txt", true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if exists, err := IsDirectoryExists(filePath); err != nil || !exists {
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t.Errorf("the file %s should be exists, but now it's not exists", filePath)
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}
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if content, err := ReadFileContent(fileName); err != nil {
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t.Errorf("there should be no error, but now err:%s", err)
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} else {
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fmt.Printf("Content:%s\n", content)
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}
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DeleteFile(fileName)
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}
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func TestIsDirExists(t *testing.T) {
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path := GetCurrentPath()
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fmt.Printf("CurrPath:%s\n", path)
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filePath := filepath.Join(path, "Parent2")
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if IsDirExists(filePath) {
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t.Errorf("the file %s should not be exists, but now it's exists", filePath)
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}
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fileName := fmt.Sprintf("%s/%s", filePath, "test.txt")
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if err := WriteFile(filePath, "test.txt", true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if IsDirExists(filePath) == false {
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t.Errorf("the file %s should be exists, but now it's not exists", filePath)
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}
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if content, err := ReadFileContent(fmt.Sprintf("%s/%s", filePath, "test.txt")); err != nil {
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t.Errorf("there should be no error, but now err:%s", err)
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} else {
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fmt.Printf("Content:%s\n", content)
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}
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DeleteFile(fileName)
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}
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func TestGetFileList(t *testing.T) {
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path := GetCurrentPath()
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fmt.Printf("CurrPath:%s\n", path)
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fileName1 := "2017-09-12-12.txt"
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fileName2 := "2017-09-12-13.txt"
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fileName3 := "2017-09-12-14.txt"
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fileName4 := "2017-09-12.tar.bz2"
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seperator := "\\"
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if runtime.GOOS != "windows" {
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seperator = "/"
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}
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filePath1 := fmt.Sprintf("%s%s%s", path, seperator, fileName1)
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filePath2 := fmt.Sprintf("%s%s%s", path, seperator, fileName2)
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filePath3 := fmt.Sprintf("%s%s%s", path, seperator, fileName3)
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filePath4 := fmt.Sprintf("%s%s%s", path, seperator, fileName4)
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if err := WriteFile(path, fileName1, true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if err := WriteFile(path, fileName2, true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if err := WriteFile(path, fileName3, true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if err := WriteFile(path, fileName4, true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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fileList, err := GetFileList(path)
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if err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if fileList[0] != filePath1 {
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t.Errorf("Expected:%s, now got:%s", filePath1, fileList[0])
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}
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if fileList[1] != filePath2 {
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t.Errorf("Expected:%s, now got:%s", filePath2, fileList[1])
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}
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if fileList[2] != filePath3 {
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t.Errorf("Expected:%s, now got:%s", filePath3, fileList[2])
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}
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if fileList[3] != filePath4 {
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t.Errorf("Expected:%s, now got:%s", filePath4, fileList[3])
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}
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DeleteFile(filePath1)
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DeleteFile(filePath2)
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DeleteFile(filePath3)
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DeleteFile(filePath4)
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}
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func TestGetFileList2(t *testing.T) {
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path := GetCurrentPath()
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fmt.Printf("CurrPath:%s\n", path)
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fileName1 := "2017-09-12-12.txt"
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fileName2 := "2017-09-12-13.txt"
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fileName3 := "2017-09-12-14.txt"
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fileName4 := "2017-09-12.tar.bz2"
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seperator := "\\"
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if runtime.GOOS != "windows" {
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seperator = "/"
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}
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filePath1 := fmt.Sprintf("%s%s%s", path, seperator, fileName1)
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filePath2 := fmt.Sprintf("%s%s%s", path, seperator, fileName2)
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filePath3 := fmt.Sprintf("%s%s%s", path, seperator, fileName3)
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filePath4 := fmt.Sprintf("%s%s%s", path, seperator, fileName4)
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if err := WriteFile(path, fileName1, true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if err := WriteFile(path, fileName2, true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if err := WriteFile(path, fileName3, true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if err := WriteFile(path, fileName4, true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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fileList, err := GetFileList2(path, "2017-09-12", "txt")
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if err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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fmt.Printf("fileList:%v\n", fileList)
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if fileList[0] != filePath1 {
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t.Errorf("Expected:%s, now got:%s", filePath1, fileList[0])
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}
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if fileList[1] != filePath2 {
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t.Errorf("Expected:%s, now got:%s", filePath2, fileList[1])
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}
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if fileList[2] != filePath3 {
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t.Errorf("Expected:%s, now got:%s", filePath3, fileList[2])
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}
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fileList2, err := GetFileList2(path, "2017-09-12", "tar.bz2")
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if err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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fmt.Printf("fileList2:%v\n", fileList2)
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if fileList2[0] != filePath4 {
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t.Errorf("Expected:%s, now got:%s", filePath4, fileList2[0])
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}
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DeleteFile(filePath1)
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DeleteFile(filePath2)
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DeleteFile(filePath3)
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DeleteFile(filePath4)
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}
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func TestReadFileLineByLine(t *testing.T) {
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path := GetCurrentPath()
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fmt.Printf("CurrPath:%s\n", path)
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fileName := fmt.Sprintf("%s/%s", path, "test.txt")
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if err := WriteFile(path, "test.txt", true, "first line\n"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if err := WriteFile(path, "test.txt", true, "second line\n"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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expectedFirstLine := "first line"
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expectedSecondLine := "second line"
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lineList, err := ReadFileLineByLine(fileName)
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if err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if lineList[0] != expectedFirstLine {
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t.Errorf("Expected:%s, but now got:%s", expectedFirstLine, lineList[0])
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}
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if lineList[1] != expectedSecondLine {
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t.Errorf("Expected:%s, but now got:%s", expectedSecondLine, lineList[1])
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}
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if err := DeleteFile(fileName); err != nil {
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t.Errorf("There should be no error, but now it has:%s", err)
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}
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}
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func TestReadFileContent(t *testing.T) {
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path := GetCurrentPath()
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fmt.Printf("CurrPath:%s\n", path)
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fileName := fmt.Sprintf("%s/%s", path, "test.txt")
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if err := WriteFile(path, "test.txt", true, "first line\n"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if err := WriteFile(path, "test.txt", true, "second line\n"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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expectedContent := "first line\nsecond line\n"
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if content, err := ReadFileContent(fileName); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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} else if content != expectedContent {
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t.Errorf("Expected:%s, but now got:%s", expectedContent, content)
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}
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if err := DeleteFile(fileName); err != nil {
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t.Errorf("There should be no error, but now it has:%s", err)
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}
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}
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func TestDeleteFile(t *testing.T) {
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path := GetCurrentPath()
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fmt.Printf("CurrPath:%s\n", path)
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fileName := fmt.Sprintf("%s/%s", path, "test.txt")
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if err := WriteFile(path, "test.txt", true, "first line"); err != nil {
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t.Errorf("there should be no error, but now it is:%s", err)
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}
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if err := DeleteFile(fileName); err != nil {
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t.Errorf("There should be no error, but now it has:%s", err)
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}
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}
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func TestReadWriteSimultaneously(t *testing.T) {
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path := GetCurrentPath()
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fmt.Printf("CurrPath:%s\n", path)
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fileName := fmt.Sprintf("%s/%s", path, "test.txt")
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file1, err := os.OpenFile(fileName, os.O_CREATE|os.O_WRONLY|os.O_APPEND, os.ModePerm|os.ModeTemporary)
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if err != nil {
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t.Errorf("1:there should be no err, but now err:%s", err)
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}
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// for i := 0; i < 10; i++ {
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// file1.WriteString(fmt.Sprintf("line %d\n", i))
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// }
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go func() {
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for i := 0; i < 10; i++ {
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file1.WriteString(fmt.Sprintf("line %d\n", i))
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time.Sleep(time.Second)
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}
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}()
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file2, err := os.OpenFile(fileName, os.O_RDONLY, os.ModePerm|os.ModeTemporary)
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if err != nil {
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t.Errorf("2:there should be no err, but now err:%s", err)
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}
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go func() {
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offset := 0
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// 读取文件
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buf := bufio.NewReader(file2)
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for {
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// 按行读取
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line, _, err2 := buf.ReadLine()
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if err2 == io.EOF {
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time.Sleep(500 * time.Millisecond)
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continue
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}
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if len(line) == 0 {
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continue
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}
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//将byte[]转换为string，并添加到列表中
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fmt.Printf("line %d:%s\n", offset, string(line))
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offset += 1
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if offset >= 10 {
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break
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}
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}
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}()
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time.Sleep(30 * time.Second)
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fmt.Println("end")
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}
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