public function testRoots()
{
$this->assertEquals([1], array_map(function ($value) {
return $value->id;
}, Node::find()->roots()->all()));
$this->assertEquals([1, 26], array_map(function ($value) {
return $value->id;
}, MultipleTreeNode::find()->roots()->all()));
}
public function testDeleteWithChildrenRoot()
{
$this->assertEquals(25, Node::findOne(1)->deleteWithChildren());
$this->assertEquals(14, MultipleTreeNode::findOne(26)->deleteWithChildren());
$dataSet = $this->getConnection()->createDataSet(['tree', 'multiple_tree']);
$expectedDataSet = new ArrayDataSet(require __DIR__ . '/data/test-delete-with-children-root.php');
$this->assertDataSetsEqual($expectedDataSet, $dataSet);
}
