paulzi / yii2-adjacency-list

        $this->assertEquals($data, array_map(function ($value) { return $value->id; }, NodeJoin::findOne(14)->getParentsOrdered(2)));

    }

    public function testGetParent()

    {

        $data = 42;

        $this->assertEquals($data, Node::findOne(46)->parent->id);

        $this->assertEquals($data, NodeJoin::findOne(46)->parent->id);

        $data = null;

        $this->assertEquals($data, Node::findOne(41)->getParent()->one());

        $this->assertEquals($data, NodeJoin::findOne(41)->getParent()->one());

    }

    public function testGetRoot()

    {

        $this->assertEquals($data, NodeJoin::findOne(41)->getParent()->one());

    }

    public function testGetRoot()

    {

        $data = 41;

        $this->assertEquals($data, Node::findOne(56)->root->id);

        $this->assertEquals($data, NodeJoin::findOne(56)->root->id);

        $data = 1;

        $this->assertEquals($data, Node::findOne(1)->getRoot()->one()->id);

        $this->assertEquals($data, NodeJoin::findOne(1)->getRoot()->one()->id);

    }

    public function testGetDescendants()

    {

        $this->assertEquals($data, array_map(function ($value) { return $value->id; }, NodeJoin::findOne(3)->getLeaves(1)->all()));

    }

    public function testGetPrev()

    {

        $data = 16;

        $this->assertEquals($data, Node::findOne(15)->prev->id);

        $this->assertEquals($data, NodeJoin::findOne(15)->prev->id);

        $data = null;

        $this->assertEquals($data, Node::findOne(57)->getPrev()->one());

        $this->assertEquals($data, NodeJoin::findOne(57)->getPrev()->one());

    }

    public function testGetNext()

    {

        $this->assertEquals($data, NodeJoin::findOne(57)->getPrev()->one());

    }

    public function testGetNext()

    {

        $data = 17;

        $this->assertEquals($data, Node::findOne(18)->next->id);

        $this->assertEquals($data, NodeJoin::findOne(18)->next->id);

        $data = null;

        $this->assertEquals($data, Node::findOne(58)->getNext()->one());

        $this->assertEquals($data, NodeJoin::findOne(58)->getNext()->one());

    }

    public function testPopulateTree()

    {