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<?php
use PHPHtmlParser\Dom\MockNode as Node;
class NodeParentTest extends PHPUnit_Framework_TestCase {
public function testHasChild()
{
$parent = new Node;
$child = new Node;
$parent->addChild($child);
$this->assertTrue($parent->hasChildren());
}
public function testHasChildNoChildren()
{
$node = new Node;
$this->assertFalse($node->hasChildren());
}
public function testAddChild()
{
$parent = new Node;
$child = new Node;
$this->assertTrue($parent->addChild($child));
}
public function testAddChildTwoParent()
{
$parent = new Node;
$parent2 = new Node;
$child = new Node;
$parent->addChild($child);
$parent2->addChild($child);
$this->assertFalse($parent->hasChildren());
}
public function testGetChild()
{
$parent = new Node;
$child = new Node;
$child2 = new Node;
$parent->addChild($child);
$parent->addChild($child2);
$this->assertTrue($parent->getChild($child2->id()) instanceof Node);
}
public function testRemoveChild()
{
$parent = new Node;
$child = new Node;
$parent->addChild($child);
$parent->removeChild($child->id());
$this->assertFalse($parent->hasChildren());
}
public function testRemoveChildNotExists()
{
$parent = new Node;
$parent->removeChild(1);
$this->assertFalse($parent->hasChildren());
}
public function testNextChild()
{
$parent = new Node;
$child = new Node;
$child2 = new Node;
$parent->addChild($child);
$parent->addChild($child2);
$this->assertEquals($child2->id(), $parent->nextChild($child->id())->id());
}
public function testNextChildWithRemove()
{
$parent = new Node;
$child = new Node;
$child2 = new Node;
$child3 = new Node;
$parent->addChild($child);
$parent->addChild($child2);
$parent->addChild($child3);
$parent->removeChild($child2->id());
$this->assertEquals($child3->id(), $parent->nextChild($child->id())->id());
}
public function testPreviousChild()
{
$parent = new Node;
$child = new Node;
$child2 = new Node;
$parent->addChild($child);
$parent->addChild($child2);
$this->assertEquals($child->id(), $parent->previousChild($child2->id())->id());
}
public function testPreviousChildWithRemove()
{
$parent = new Node;
$child = new Node;
$child2 = new Node;
$child3 = new Node;
$parent->addChild($child);
$parent->addChild($child2);
$parent->addChild($child3);
$parent->removeChild($child2->id());
$this->assertEquals($child->id(), $parent->previousChild($child3->id())->id());
}
public function testFirstChild()
{
$parent = new Node;
$child = new Node;
$child2 = new Node;
$child3 = new Node;
$parent->addChild($child);
$parent->addChild($child2);
$parent->addChild($child3);
$this->assertEquals($child->id(), $parent->firstChild()->id());
}
public function testLastChild()
{
$parent = new Node;
$child = new Node;
$child2 = new Node;
$child3 = new Node;
$parent->addChild($child);
$parent->addChild($child2);
$parent->addChild($child3);
$this->assertEquals($child3->id(), $parent->lastChild()->id());
}
public function testReplaceChild()
{
$parent = new Node;
$child = new Node;
$child2 = new Node;
$child3 = new Node;
$parent->addChild($child);
$parent->addChild($child2);
$parent->replaceChild($child->id(), $child3);
$this->assertFalse($parent->isChild($child->id()));
}
/**
* @expectedException PHPHtmlParser\Exceptions\CircularException
*/
public function testSetParentDescendantException()
{
$parent = new Node;
$child = new Node;
$parent->addChild($child);
$parent->setParent($child);
}
/**
* @expectedException PHPHtmlParser\Exceptions\CircularException
*/
public function testAddChildAncestorException()
{
$parent = new Node;
$child = new Node;
$parent->addChild($child);
$child->addChild($parent);
}
/**
* @expectedException PHPHtmlParser\Exceptions\CircularException
*/
public function testAddItselfAsChild()
{
$parent = new Node;
$parent->addChild($parent);
}
public function testIsAncestorParent()
{
$parent = new Node;
$child = new Node;
$parent->addChild($child);
$this->assertTrue($child->isAncestor($parent->id()));
}
public function testGetAncestor()
{
$parent = new Node;
$child = new Node;
$parent->addChild($child);
$ancestor = $child->getAncestor($parent->id());
$this->assertEquals($parent->id(), $ancestor->id());
}
public function testGetGreatAncestor()
{
$parent = new Node;
$child = new Node;
$child2 = new Node;
$parent->addChild($child);
$child->addChild($child2);
$ancestor = $child2->getAncestor($parent->id());
$this->assertEquals($parent->id(), $ancestor->id());
}
public function testGetAncestorNotFound()
{
$parent = new Node;
$ancestor = $parent->getAncestor(1);
$this->assertNull($ancestor);
}
}
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