[Filesystem] Added unit tests for chmod method.

Author: jakzal

src/Symfony/Component/Filesystem/Tests/FilesystemTest.php

@@ -45,10 +45,6 @@ public function tearDown()
  */
  private function clean($file)
  {
- if (!file_exists($file)) {
- return;
- }
-
  if (is_dir($file) && !is_link($file)) {
  $dir = new \FilesystemIterator($file);
  foreach ($dir as $childFile) {
@@ -305,4 +301,54 @@ public function testRemoveIgnoresNonExistingFiles()
 
  $this->assertTrue(!is_dir($basePath.'dir'));
  }
+
+ public function testChmodChangesFileMode()
+ {
+ $file = $this->workspace.DIRECTORY_SEPARATOR.'file';
+ touch($file);
+
+ $this->filesystem->chmod($file, 0753);
+
+ $this->assertEquals(753, $this->getFilePermisions($file));
+ }
+
+ public function testChmodChangesModeOfArrayOfFiles()
+ {
+ $directory = $this->workspace.DIRECTORY_SEPARATOR.'directory';
+ $file = $this->workspace.DIRECTORY_SEPARATOR.'file';
+ $files = array($directory, $file);
+
+ mkdir($directory);
+ touch($file);
+
+ $this->filesystem->chmod($files, 0753);
+
+ $this->assertEquals(753, $this->getFilePermisions($file));
+ $this->assertEquals(753, $this->getFilePermisions($directory));
+ }
+
+ public function testChmodChangesModeOfTraversableFileObject()
+ {
+ $directory = $this->workspace.DIRECTORY_SEPARATOR.'directory';
+ $file = $this->workspace.DIRECTORY_SEPARATOR.'file';
+ $files = new \ArrayObject(array($directory, $file));
+
+ mkdir($directory);
+ touch($file);
+
+ $this->filesystem->chmod($files, 0753);
+
+ $this->assertEquals(753, $this->getFilePermisions($file));
+ $this->assertEquals(753, $this->getFilePermisions($directory));
+ }
+
+ /**
+ * Returns file permissions as three digits (i.e. 755)
+ *
+ * @return integer
+ */
+ private function getFilePermisions($filePath)
+ {
+ return (int) substr(sprintf('%o', fileperms($filePath)), -3);
+ }
 }