public function testUsesCache()
{
$id = 'foreignKeyNode';
$event = $this->getMockBuilder('Symfony\\Component\\EventDispatcher\\EventDispatcherInterface')->getMock();
$cache = $this->getMockBuilder('Faker\\Components\\Engine\\Common\\GeneratorCache')->disableOriginalConstructor()->getMock();
$cache->expects($this->once())->method('rewind');
$cache->expects($this->once())->method('current')->will($this->returnValue(5));
$cache->expects($this->once())->method('next');
$foreignKey = new ForeignKeyNode($id, $event);
$foreignKey->setResultCache($cache);
$values = array();
$this->assertEquals(5, $foreignKey->generate(1, $values));
$foreignKey->setUseCache(false);
$this->assertEquals(null, $foreignKey->generate(1, $values));
}
