public function testRead()
{
$file = new DfFile(DfTests::$testDir . 'DfFileTest.txt');
$this->assertEquals("true\n", $file->read());
$file = new DfFile('');
$this->assertEquals(false, $file->read());
}
/**
* Function for DfFile write
* @param string $text
*/
private function writeLine($text)
{
$this->logFile->write($text);
}