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Merge pull request #523 from klimov-paul/file-helper 

FileHelper port from 1.1.x
tags/2.0.0-beta
Qiang Xue 12 years ago
parent
a37fde5216 dc8c71f409
commit
d8b6335deb
2 changed files with 474 additions and 1 deletions
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  1. 152
      framework/yii/helpers/base/FileHelper.php
  2. 323
      tests/unit/framework/helpers/FileHelperTest.php

152
framework/yii/helpers/base/FileHelper.php
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@ -10,6 +10,7 @@
namespace yii\helpers\base; namespace yii\helpers\base;
use Yii; use Yii;
use yii\helpers\StringHelper;
/** /**
* Filesystem helper * Filesystem helper
@ -95,7 +96,7 @@ class FileHelper
} }
} }
return $checkExtension ? self::getMimeTypeByExtension($file) : null; return $checkExtension ? static::getMimeTypeByExtension($file) : null;
} }
/** /**
@ -169,4 +170,153 @@ class FileHelper
} }
closedir($handle); closedir($handle);
} }
/**
* Removes a directory recursively.
* @param string $dir to be deleted recursively.
*/
public static function removeDirectory($dir)
{
$items = glob($dir . DIRECTORY_SEPARATOR . '{,.}*', GLOB_MARK | GLOB_BRACE);
foreach ($items as $item) {
$itemBaseName = basename($item);
if ($itemBaseName === '.' || $itemBaseName === '..') {
continue;
}
if (StringHelper::substr($item, -1, 1) == DIRECTORY_SEPARATOR) {
static::removeDirectory($item);
} else {
unlink($item);
}
}
if (is_dir($dir)) {
rmdir($dir);
}
}
/**
* Returns the files found under the specified directory and subdirectories.
* @param string $dir the directory under which the files will be looked for.
* @param array $options options for file searching. Valid options are:
* - filter: callback, a PHP callback that is called for each sub-directory or file.
* If the callback returns false, the the sub-directory or file will not be placed to result set.
* The signature of the callback should be: `function ($base, $name, $isFile)`, where `$base` is the name of directory,
* which contains file or sub-directory, `$name` file or sub-directory name, `$isFile` indicates if object is a file or a directory.
* - fileTypes: array, list of file name suffix (without dot). Only files with these suffixes will be returned.
* - exclude: array, list of directory and file exclusions. Each exclusion can be either a name or a path.
* If a file or directory name or path matches the exclusion, it will not be copied. For example, an exclusion of
* '.svn' will exclude all files and directories whose name is '.svn'. And an exclusion of '/a/b' will exclude
* file or directory '$src/a/b'. Note, that '/' should be used as separator regardless of the value of the DIRECTORY_SEPARATOR constant.
* - level: integer, recursion depth, default=-1.
* Level -1 means searching for all directories and files under the directory;
* Level 0 means searching for only the files DIRECTLY under the directory;
* level N means searching for those directories that are within N levels.
* @return array files found under the directory. The file list is sorted.
*/
public static function findFiles($dir, array $options = array())
{
$level = array_key_exists('level', $options) ? $options['level'] : -1;
$filterOptions = $options;
$list = static::findFilesRecursive($dir, '', $filterOptions, $level);
sort($list);
return $list;
}
/**
* Returns the files found under the specified directory and subdirectories.
* This method is mainly used by [[findFiles]].
* @param string $dir the source directory.
* @param string $base the path relative to the original source directory.
* @param array $filterOptions list of filter options.
* - filter: a PHP callback, which results indicates if file will be returned.
* - fileTypes: list of file name suffix (without dot). Only files with these suffixes will be returned.
* - exclude: list of directory and file exclusions. Each exclusion can be either a name or a path.
* @param integer $level recursion depth. It defaults to -1.
* Level -1 means searching for all directories and files under the directory;
* Level 0 means searching for only the files DIRECTLY under the directory;
* level N means searching for those directories that are within N levels.
* @return array files found under the directory.
*/
protected static function findFilesRecursive($dir, $base, array $filterOptions, $level)
{
$list = array();
$handle = opendir($dir);
while (($file = readdir($handle)) !== false) {
if ($file === '.' || $file === '..') {
continue;
}
$path = $dir . DIRECTORY_SEPARATOR . $file;
$isFile = is_file($path);
if (static::validatePath($base, $file, $isFile, $filterOptions)) {
if ($isFile) {
$list[] = $path;
} elseif ($level) {
$list = array_merge($list, static::findFilesRecursive($path, $base . DIRECTORY_SEPARATOR . $file, $filterOptions, $level-1));
}
}
}
closedir($handle);
return $list;
}
/**
* Validates a file or directory, checking if it match given conditions.
* @param string $base the path relative to the original source directory
* @param string $name the file or directory name
* @param boolean $isFile whether this is a file
* @param array $filterOptions list of filter options.
* - filter: a PHP callback, which results indicates if file will be returned.
* - fileTypes: list of file name suffix (without dot). Only files with these suffixes will be returned.
* - exclude: list of directory and file exclusions. Each exclusion can be either a name or a path.
* If a file or directory name or path matches the exclusion, false will be returned. For example, an exclusion of
* '.svn' will return false for all files and directories whose name is '.svn'. And an exclusion of '/a/b' will return false for
* file or directory '$src/a/b'. Note, that '/' should be used as separator regardless of the value of the DIRECTORY_SEPARATOR constant.
* @return boolean whether the file or directory is valid
*/
protected static function validatePath($base, $name, $isFile, array $filterOptions)
{
if (isset($filterOptions['filter']) && !call_user_func($filterOptions['filter'], $base, $name, $isFile)) {
return false;
}
if (!empty($filterOptions['exclude'])) {
foreach ($filterOptions['exclude'] as $e) {
if ($name === $e || strpos($base . DIRECTORY_SEPARATOR . $name, $e) === 0) {
return false;
}
}
}
if (!empty($filterOptions['fileTypes'])) {
if (!$isFile) {
return true;
}
if (($type = pathinfo($name, PATHINFO_EXTENSION)) !== '') {
return in_array($type, $filterOptions['fileTypes']);
} else {
return false;
}
}
return true;
}
/**
* Shared environment safe version of mkdir. Supports recursive creation.
* For avoidance of umask side-effects chmod is used.
*
* @param string $path path to be created.
* @param integer $mode the permission to be set for created directory. If not set 0777 will be used.
* @param boolean $recursive whether to create directory structure recursive if parent dirs do not exist.
* @return boolean result of mkdir.
* @see mkdir
*/
public static function mkdir($path, $mode = null, $recursive = false)
{
$prevDir = dirname($path);
if ($recursive && !is_dir($path) && !is_dir($prevDir)) {
static::mkdir(dirname($path), $mode, true);
}
$mode = isset($mode) ? $mode : 0777;
$result = mkdir($path, $mode);
chmod($path, $mode);
return $result;
}
} }

323
tests/unit/framework/helpers/FileHelperTest.php
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@ -0,0 +1,323 @@
<?php
use yii\helpers\base\FileHelper;
use yii\test\TestCase;
/**
* Unit test for [[yii\helpers\base\FileHelper]]
* @see FileHelper
*/
class FileHelperTest extends TestCase
{
/**
* @var string test files path.
*/
private $testFilePath = '';
public function setUp()
{
$this->testFilePath = Yii::getAlias('@yiiunit/runtime') . DIRECTORY_SEPARATOR . get_class($this);
$this->createDir($this->testFilePath);
if (!file_exists($this->testFilePath)) {
$this->markTestIncomplete('Unit tests runtime directory should have writable permissions!');
}
}
public function tearDown()
{
$this->removeDir($this->testFilePath);
}
/**
* Creates directory.
* @param string $dirName directory full name.
*/
protected function createDir($dirName)
{
if (!file_exists($dirName)) {
mkdir($dirName, 0777, true);
}
}
/**
* Removes directory.
* @param string $dirName directory full name.
*/
protected function removeDir($dirName)
{
if (!empty($dirName) && file_exists($dirName)) {
if ($handle = opendir($dirName)) {
while (false !== ($entry = readdir($handle))) {
if ($entry != '.' && $entry != '..') {
if (is_dir($dirName . DIRECTORY_SEPARATOR . $entry) === true) {
$this->removeDir($dirName . DIRECTORY_SEPARATOR . $entry);
} else {
unlink($dirName . DIRECTORY_SEPARATOR . $entry);
}
}
}
closedir($handle);
rmdir($dirName);
}
}
}
/**
* Get file permission mode.
* @param string $file file name.
* @return string permission mode.
*/
protected function getMode($file)
{
return substr(sprintf('%o', fileperms($file)), -4);
}
/**
* Creates test files structure,
* @param array $items file system objects to be created in format: objectName => objectContent
* Arrays specifies directories, other values - files.
* @param string $basePath structure base file path.
*/
protected function createFileStructure(array $items, $basePath = '')
{
if (empty($basePath)) {
$basePath = $this->testFilePath;
}
foreach ($items as $name => $content) {
$itemName = $basePath . DIRECTORY_SEPARATOR . $name;
if (is_array($content)) {
mkdir($itemName, 0777, true);
$this->createFileStructure($content, $itemName);
} else {
file_put_contents($itemName, $content);
}
}
}
/**
* Asserts that file has specific permission mode.
* @param integer $expectedMode expected file permission mode.
* @param string $fileName file name.
* @param string $message error message
*/
protected function assertFileMode($expectedMode, $fileName, $message='')
{
$expectedMode = sprintf('%o', $expectedMode);
$this->assertEquals($expectedMode, $this->getMode($fileName), $message);
}
// Tests :
public function testCopyDirectory()
{
$srcDirName = 'test_src_dir';
$files = array(
'file1.txt' => 'file 1 content',
'file2.txt' => 'file 2 content',
);
$this->createFileStructure(array(
$srcDirName => $files
));
$basePath = $this->testFilePath;
$srcDirName = $basePath . DIRECTORY_SEPARATOR . $srcDirName;
$dstDirName = $basePath . DIRECTORY_SEPARATOR . 'test_dst_dir';
FileHelper::copyDirectory($srcDirName, $dstDirName);
$this->assertTrue(file_exists($dstDirName), 'Destination directory does not exist!');
foreach ($files as $name => $content) {
$fileName = $dstDirName . DIRECTORY_SEPARATOR . $name;
$this->assertTrue(file_exists($fileName), 'Directory file is missing!');
$this->assertEquals($content, file_get_contents($fileName), 'Incorrect file content!');
}
}
/**
* @depends testCopyDirectory
*/
public function testCopyDirectoryPermissions()
{
if (substr(PHP_OS, 0, 3) == 'WIN') {
$this->markTestSkipped("Can't reliably test it on Windows because fileperms() always return 0777.");
}
$srcDirName = 'test_src_dir';
$subDirName = 'test_sub_dir';
$fileName = 'test_file.txt';
$this->createFileStructure(array(
$srcDirName => array(
$subDirName => array(),
$fileName => 'test file content',
),
));
$basePath = $this->testFilePath;
$srcDirName = $basePath . DIRECTORY_SEPARATOR . $srcDirName;
$dstDirName = $basePath . DIRECTORY_SEPARATOR . 'test_dst_dir';
$dirMode = 0755;
$fileMode = 0755;
$options = array(
'dirMode' => $dirMode,
'fileMode' => $fileMode,
);
FileHelper::copyDirectory($srcDirName, $dstDirName, $options);
$this->assertFileMode($dirMode, $dstDirName, 'Destination directory has wrong mode!');
$this->assertFileMode($dirMode, $dstDirName . DIRECTORY_SEPARATOR . $subDirName, 'Copied sub directory has wrong mode!');
$this->assertFileMode($fileMode, $dstDirName . DIRECTORY_SEPARATOR . $fileName, 'Copied file has wrong mode!');
}
public function testRemoveDirectory()
{
$dirName = 'test_dir_for_remove';
$this->createFileStructure(array(
$dirName => array(
'file1.txt' => 'file 1 content',
'file2.txt' => 'file 2 content',
'test_sub_dir' => array(
'sub_dir_file_1.txt' => 'sub dir file 1 content',
'sub_dir_file_2.txt' => 'sub dir file 2 content',
),
),
));
$basePath = $this->testFilePath;
$dirName = $basePath . DIRECTORY_SEPARATOR . $dirName;
FileHelper::removeDirectory($dirName);
$this->assertFalse(file_exists($dirName), 'Unable to remove directory!');
}
public function testFindFiles()
{
$dirName = 'test_dir';
$this->createFileStructure(array(
$dirName => array(
'file_1.txt' => 'file 1 content',
'file_2.txt' => 'file 2 content',
'test_sub_dir' => array(
'file_1_1.txt' => 'sub dir file 1 content',
'file_1_2.txt' => 'sub dir file 2 content',
),
),
));
$basePath = $this->testFilePath;
$dirName = $basePath . DIRECTORY_SEPARATOR . $dirName;
$expectedFiles = array(
$dirName . DIRECTORY_SEPARATOR . 'file_1.txt',
$dirName . DIRECTORY_SEPARATOR . 'file_2.txt',
$dirName . DIRECTORY_SEPARATOR . 'test_sub_dir' . DIRECTORY_SEPARATOR . 'file_1_1.txt',
$dirName . DIRECTORY_SEPARATOR . 'test_sub_dir' . DIRECTORY_SEPARATOR . 'file_1_2.txt',
);
$foundFiles = FileHelper::findFiles($dirName);
sort($expectedFiles);
$this->assertEquals($expectedFiles, $foundFiles);
}
/**
* @depends testFindFiles
*/
public function testFindFileFilter()
{
$dirName = 'test_dir';
$passedFileName = 'passed.txt';
$this->createFileStructure(array(
$dirName => array(
$passedFileName => 'passed file content',
'declined.txt' => 'declined file content',
),
));
$basePath = $this->testFilePath;
$dirName = $basePath . DIRECTORY_SEPARATOR . $dirName;
$options = array(
'filter' => function($base, $name, $isFile) use ($passedFileName) {
return ($passedFileName == $name);
}
);
$foundFiles = FileHelper::findFiles($dirName, $options);
$this->assertEquals(array($dirName . DIRECTORY_SEPARATOR . $passedFileName), $foundFiles);
}
/**
* @depends testFindFiles
*/
public function testFindFilesExclude()
{
$dirName = 'test_dir';
$fileName = 'test_file.txt';
$excludeFileName = 'exclude_file.txt';
$this->createFileStructure(array(
$dirName => array(
$fileName => 'file content',
$excludeFileName => 'exclude file content',
),
));
$basePath = $this->testFilePath;
$dirName = $basePath . DIRECTORY_SEPARATOR . $dirName;
$options = array(
'exclude' => array($excludeFileName),
);
$foundFiles = FileHelper::findFiles($dirName, $options);
$this->assertEquals(array($dirName . DIRECTORY_SEPARATOR . $fileName), $foundFiles);
}
/**
* @depends testFindFiles
*/
public function testFindFilesFileType()
{
$dirName = 'test_dir';
$fileType = 'dat';
$fileName = 'test_file.' . $fileType;
$excludeFileName = 'exclude_file.txt';
$this->createFileStructure(array(
$dirName => array(
$fileName => 'file content',
$excludeFileName => 'exclude file content',
),
));
$basePath = $this->testFilePath;
$dirName = $basePath . DIRECTORY_SEPARATOR . $dirName;
$options = array(
'fileTypes' => array($fileType),
);
$foundFiles = FileHelper::findFiles($dirName, $options);
$this->assertEquals(array($dirName . DIRECTORY_SEPARATOR . $fileName), $foundFiles);
}
public function testMkdir() {
$basePath = $this->testFilePath;
$dirName = $basePath . DIRECTORY_SEPARATOR . 'test_dir';
FileHelper::mkdir($dirName);
$this->assertTrue(file_exists($dirName), 'Unable to create directory!');
$dirName = $basePath . DIRECTORY_SEPARATOR . 'test_dir_level_1' . DIRECTORY_SEPARATOR . 'test_dir_level_2';
FileHelper::mkdir($dirName, null, true);
$this->assertTrue(file_exists($dirName), 'Unable to create directory recursively!');
}
public function testGetMimeTypeByExtension()
{
$magicFile = $this->testFilePath . DIRECTORY_SEPARATOR . 'mime_type.php';
$mimeTypeMap = array(
'txa' => 'application/json',
'txb' => 'another/mime',
);
$magicFileContent = '<?php return ' . var_export($mimeTypeMap, true) . ';';
file_put_contents($magicFile, $magicFileContent);
foreach ($mimeTypeMap as $extension => $mimeType) {
$fileName = 'test.' . $extension;
$this->assertNull(FileHelper::getMimeTypeByExtension($fileName));
$this->assertEquals($mimeType, FileHelper::getMimeTypeByExtension($fileName, $magicFile));
}
}
}
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