public function createConverterTakesConverterInterfaceInArray()
{
$converter = Mockery::mock('\\Plum\\Plum\\Converter\\ConverterInterface');
$pipe = ConverterPipe::createConverter(['converter' => $converter]);
$this->assertInstanceOf('Plum\\Plum\\Pipe\\ConverterPipe', $pipe);
$this->assertEquals($converter, $pipe->getConverter());
}