<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Tests\Components\Finder;

use Symfony\Components\Finder\Finder;

require_once __DIR__.'/Iterator/RealIteratorTestCase.php';

class FinderTest extends Iterator\RealIteratorTestCase
{
  static protected $tmpDir;

  static public function setUpBeforeClass()
  {
    parent::setUpBeforeClass();

    self::$tmpDir = sys_get_temp_dir().'/symfony2_finder/';
  }

  public function testDirectories()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->directories());
    $this->assertIterator($this->toAbsolute(array('foo', 'toto')), $finder->in(self::$tmpDir));

    $finder = new Finder();
    $finder->directories();
    $finder->files();
    $finder->directories();
    $this->assertIterator($this->toAbsolute(array('foo', 'toto')), $finder->in(self::$tmpDir));
  }

  public function testFiles()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->files());
    $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php', 'test.py')), $finder->in(self::$tmpDir));

    $finder = new Finder();
    $finder->files();
    $finder->directories();
    $finder->files();
    $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php', 'test.py')), $finder->in(self::$tmpDir));
  }

  public function testMaxDepth()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->maxDepth(0));
    $this->assertIterator($this->toAbsolute(array('foo', 'test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir));
  }

  public function testMinDepth()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->minDepth(1));
    $this->assertIterator($this->toAbsolute(array('foo/bar.tmp')), $finder->in(self::$tmpDir));
  }

  public function testMinMaxDepth()
  {
    $finder = new Finder();
    $finder->maxDepth(0);
    $finder->minDepth(1);
    $this->assertIterator(array(), $finder->in(self::$tmpDir));
  }

  public function testName()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->name('*.php'));
    $this->assertIterator($this->toAbsolute(array('test.php')), $finder->in(self::$tmpDir));

    $finder = new Finder();
    $finder->name('test.ph*');
    $finder->name('test.py');
    $this->assertIterator($this->toAbsolute(array('test.php', 'test.py')), $finder->in(self::$tmpDir));
  }

  public function testNotName()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->notName('*.php'));
    $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.py', 'toto')), $finder->in(self::$tmpDir));

    $finder = new Finder();
    $finder->notName('*.php');
    $finder->notName('*.py');
    $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'toto')), $finder->in(self::$tmpDir));

    $finder = new Finder();
    $finder->name('test.ph*');
    $finder->name('test.py');
    $finder->notName('*.php');
    $finder->notName('*.py');
    $this->assertIterator(array(), $finder->in(self::$tmpDir));
  }

  public function testSize()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->files()->size('< 1K')->size('> 500'));
    $this->assertIterator($this->toAbsolute(array('test.php')), $finder->in(self::$tmpDir));
  }

  public function testExclude()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->exclude('foo'));
    $this->assertIterator($this->toAbsolute(array('test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir));
  }

  public function testIgnoreVCS()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->ignoreVCS(false));
    $this->assertIterator($this->toAbsolute(array('.git', 'foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir));

    $finder = new Finder();
    $this->assertSame($finder, $finder->ignoreVCS(true));
    $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir));
  }

  public function testSortByName()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->sortByName());
    $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir));
  }

  public function testSortByType()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->sortByType());
    $this->assertIterator($this->toAbsolute(array('foo', 'toto', 'foo/bar.tmp', 'test.php', 'test.py')), $finder->in(self::$tmpDir));
  }

  public function testSort()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->sort(function (\SplFileInfo $a, \SplFileInfo $b) { return strcmp($a->getRealpath(), $b->getRealpath()); }));
    $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir));
  }

  public function testFilter()
  {
    $finder = new Finder();
    $this->assertSame($finder, $finder->filter(function (\SplFileInfo $f) { return preg_match('/test/', $f) > 0; }));
    $this->assertIterator($this->toAbsolute(array('test.php', 'test.py')), $finder->in(self::$tmpDir));
  }

  public function testFollowLinks()
  {
    if ('\\' == DIRECTORY_SEPARATOR)
    {
      return;
    }

    $finder = new Finder();
    $this->assertSame($finder, $finder->followLinks());
    $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir));
  }

  public function testIn()
  {
    $finder = new Finder();
    try
    {
      $finder->in('foobar');
      $this->fail('->in() throws a \InvalidArgumentException if the directory does not exist');
    }
    catch (\Exception $e)
    {
      $this->assertInstanceOf('InvalidArgumentException', $e, '->in() throws a \InvalidArgumentException if the directory does not exist');
    }

    $finder = new Finder();
    $iterator = $finder->files()->name('*.php')->maxDepth(0)->in(array(self::$tmpDir, __DIR__));

    $this->assertIterator(array(self::$tmpDir.'test.php', __DIR__.'/FinderTest.php', __DIR__.'/GlobTest.php', __DIR__.'/NumberCompareTest.php'), $iterator);
  }

  protected function toAbsolute($files)
  {
    $f = array();
    foreach ($files as $file)
    {
      $f[] = self::$tmpDir.$file;
    }

    return $f;
  }
}