[Filesystem] Added unit tests for touch method.

Author: jakzal

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

@@ -193,4 +193,59 @@ public function testMkdirCreatesDirectoriesEvenIfItFailsToCreateOneOfThem()
  unlink($basePath.'2');
  rmdir($basePath.'3');
  }
+
+ public function testTouchCreatesEmptyFile()
+ {
+ $basePath = sys_get_temp_dir().DIRECTORY_SEPARATOR.time();
+ $file = $basePath.'1';
+
+ $filesystem = new Filesystem();
+ $filesystem->touch($file);
+
+ $this->assertFileExists($basePath.'1');
+
+ unlink($basePath.'1');
+ }
+
+ public function testTouchCreatesEmptyFilesFromArray()
+ {
+ $basePath = sys_get_temp_dir().DIRECTORY_SEPARATOR.time();
+ $files = array(
+ $basePath.'1', $basePath.'2', $basePath.'3'
+ );
+ mkdir($basePath);
+
+ $filesystem = new Filesystem();
+ $filesystem->touch($files);
+
+ $this->assertFileExists($basePath.'1');
+ $this->assertFileExists($basePath.'2');
+ $this->assertFileExists($basePath.'3');
+
+ unlink($basePath.'1');
+ unlink($basePath.'2');
+ unlink($basePath.'3');
+ rmdir($basePath);
+ }
+
+ public function testTouchCreatesEmptyFilesFromTraversableObject()
+ {
+ $basePath = sys_get_temp_dir().DIRECTORY_SEPARATOR.time();
+ $files = new \ArrayObject(array(
+ $basePath.'1', $basePath.'2', $basePath.'3'
+ ));
+ mkdir($basePath);
+
+ $filesystem = new Filesystem();
+ $filesystem->touch($files);
+
+ $this->assertFileExists($basePath.'1');
+ $this->assertFileExists($basePath.'2');
+ $this->assertFileExists($basePath.'3');
+
+ unlink($basePath.'1');
+ unlink($basePath.'2');
+ unlink($basePath.'3');
+ rmdir($basePath);
+ }
 }