[Filesystem] Added unit tests for symlink method.

Author: jakzal

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

@@ -235,56 +235,51 @@ public function testTouchCreatesEmptyFilesFromTraversableObject()
  $this->assertFileExists($basePath.'3');
  }
 
- public function testRemoveCleansFilesLinksAndDirectoriesIteratively()
+ public function testRemoveCleansFilesAndDirectoriesIteratively()
  {
  $basePath = $this->workspace.DIRECTORY_SEPARATOR.'directory'.DIRECTORY_SEPARATOR;
 
  mkdir($basePath);
  mkdir($basePath.'dir');
  touch($basePath.'file');
- link($basePath.'file', $basePath.'link');
 
  $this->filesystem->remove($basePath);
 
  $this->assertTrue(!is_dir($basePath));
  }
 
- public function testRemoveCleansArrayOfFilesLinksAndDirectories()
+ public function testRemoveCleansArrayOfFilesAndDirectories()
  {
  $basePath = $this->workspace.DIRECTORY_SEPARATOR;
 
  mkdir($basePath.'dir');
  touch($basePath.'file');
- link($basePath.'file', $basePath.'link');
 
  $files = array(
- $basePath.'dir', $basePath.'file', $basePath.'link'
+ $basePath.'dir', $basePath.'file'
  );
 
  $this->filesystem->remove($files);
 
  $this->assertTrue(!is_dir($basePath.'dir'));
  $this->assertTrue(!is_file($basePath.'file'));
- $this->assertTrue(!is_link($basePath.'link'));
  }
 
- public function testRemoveCleansTraversableObjectOfFilesLinksAndDirectories()
+ public function testRemoveCleansTraversableObjectOfFilesAndDirectories()
  {
  $basePath = $this->workspace.DIRECTORY_SEPARATOR;
 
  mkdir($basePath.'dir');
  touch($basePath.'file');
- link($basePath.'file', $basePath.'link');
 
  $files = new \ArrayObject(array(
- $basePath.'dir', $basePath.'file', $basePath.'link'
+ $basePath.'dir', $basePath.'file'
  ));
 
  $this->filesystem->remove($files);
 
  $this->assertTrue(!is_dir($basePath.'dir'));
  $this->assertTrue(!is_file($basePath.'file'));
- $this->assertTrue(!is_link($basePath.'link'));
  }
 
  public function testRemoveIgnoresNonExistingFiles()
@@ -368,6 +363,53 @@ public function testRenameThrowsExceptionIfTargetAlreadyExists()
  $this->filesystem->rename($file, $newPath);
  }
 
+ public function testSymlink()
+ {
+ $this->markAsSkippeIfSymlinkIsMissing();
+
+ $file = $this->workspace.DIRECTORY_SEPARATOR.'file';
+ $link = $this->workspace.DIRECTORY_SEPARATOR.'link';
+
+ touch($file);
+
+ $this->filesystem->symlink($file, $link);
+
+ $this->assertTrue(is_link($link));
+ $this->assertEquals($file, readlink($link));
+ }
+
+ public function testSymlinkIsOverwrittenIfPointsToDifferentTarget()
+ {
+ $this->markAsSkippeIfSymlinkIsMissing();
+
+ $file = $this->workspace.DIRECTORY_SEPARATOR.'file';
+ $link = $this->workspace.DIRECTORY_SEPARATOR.'link';
+
+ touch($file);
+ symlink($this->workspace, $link);
+
+ $this->filesystem->symlink($file, $link);
+
+ $this->assertTrue(is_link($link));
+ $this->assertEquals($file, readlink($link));
+ }
+
+ public function testSymlinkIsNotOverwrittenIfAlreadyCreated()
+ {
+ $this->markAsSkippeIfSymlinkIsMissing();
+
+ $file = $this->workspace.DIRECTORY_SEPARATOR.'file';
+ $link = $this->workspace.DIRECTORY_SEPARATOR.'link';
+
+ touch($file);
+ symlink($file, $link);
+
+ $this->filesystem->symlink($file, $link);
+
+ $this->assertTrue(is_link($link));
+ $this->assertEquals($file, readlink($link));
+ }
+
  /**
  * Returns file permissions as three digits (i.e. 755)
  *
@@ -377,4 +419,11 @@ private function getFilePermisions($filePath)
  {
  return (int) substr(sprintf('%o', fileperms($filePath)), -3);
  }
+
+ private function markAsSkippeIfSymlinkIsMissing()
+ {
+ if (!function_exists('symlink')) {
+ $this->markTestSkipped('symlink is not supported');
+ }
+ }
 }