/**
* @test
*/
public function shouldContainsItemWork()
{
$o1 = new EntitiesDescriptor();
$o2 = new EntityDescriptor('ed1');
$o3 = new EntitiesDescriptor();
$o4 = new EntityDescriptor('ed2');
$x1 = new EntitiesDescriptor();
$x2 = new EntityDescriptor('ed3');
$o1->addItem($o2);
$o1->addItem($o3);
$o3->addItem($o4);
$this->assertTrue($o1->containsItem($o2));
$this->assertTrue($o1->containsItem($o3));
$this->assertTrue($o1->containsItem($o4));
$this->assertFalse($o1->containsItem($x1));
$this->assertFalse($o1->containsItem($x2));
$this->assertTrue($o3->containsItem($o4));
$this->assertFalse($o3->containsItem($o1));
$this->assertFalse($o3->containsItem($o2));
$this->assertFalse($o3->containsItem($x1));
$this->assertFalse($o3->containsItem($x2));
}
/**
* @param EntitiesDescriptor|EntityDescriptor $item
* @return $this|EntitiesDescriptor
* @throws \InvalidArgumentException
*/
public function addItem($item)
{
if (!$item instanceof EntitiesDescriptor && !$item instanceof EntityDescriptor) {
throw new \InvalidArgumentException('Expected EntitiesDescriptor or EntityDescriptor');
}
if ($item === $this) {
throw new \InvalidArgumentException('Circular reference detected');
}
if ($item instanceof EntitiesDescriptor) {
if ($item->containsItem($this)) {
throw new \InvalidArgumentException('Circular reference detected');
}
}
$this->items[] = $item;
return $this;
}
