public function test_navigationAndLs()
{
$fs = new FileSystem(__DIR__);
$thisFile = basename(__FILE__);
$list = $fs->ls();
$this->assertTrue(isset($thisFile, $list));
$this->assertTrue(is_array($list[$thisFile]));
$this->assertEquals($list[$thisFile]['type'], 'file');
$this->assertTrue(isset($list['files']));
$this->assertEquals($list['files']['type'], 'dir');
$this->assertTrue((bool) $fs->cd('files'));
$this->assertEquals($fs->cwd, '/files');
$this->assertEquals($fs->realcwd, dirname(__FILE__) . '/files');
$this->assertTrue($fs->cdup());
$this->assertEquals($fs->cwd, '/');
$this->assertEquals(preg_replace('~/$~', '', $fs->realcwd), dirname(__FILE__));
//this should fail, because it's higher than allowed.
$this->assertFalse($fs->cdup());
$this->assertEquals($fs->cwd, '/');
$this->assertEquals(preg_replace('~/$~', '', $fs->realcwd), dirname(__FILE__));
$this->assertTrue((bool) $fs->cd('/'));
$this->assertEquals($fs->cwd, '/');
$this->assertEquals(preg_replace('~/$~', '', $fs->realcwd), dirname(__FILE__));
//make sure we can still find just this file.
$fileInfo = $fs->ls(basename(__FILE__));
$this->assertTrue(is_array($fileInfo));
$this->assertEquals(count($fileInfo), 1, "too many files in the array...");
$this->assertTrue(isset($fileInfo[basename(__FILE__)]));
$this->assertTrue(isset($fileInfo[basename(__FILE__)]['type']), "malformed array, should ONLY contain info about this file::: " . ToolBox::debug_print($fileInfo, 0));
}
