public function test_it_provides_a_cleaned_dirname()
{
$this->assertEquals('', File::cleanDirname(''));
$this->assertEquals('', File::cleanDirname('/'));
$this->assertEquals('', File::cleanDirname('foo.jpg'));
$this->assertEquals('foo', File::cleanDirname('/foo/bar/'));
$this->assertEquals('foo/bar', File::cleanDirname('/foo/bar/baz.jpg'));
}