Neos\ContentRepository\Tests\Behavior\Features\Bootstrap\NodeOperationsTrait::iShouldBeAbleToCreateAChildNodeOfType PHP Метод

    public function iShouldBeAbleToCreateAChildNodeOfType($not, $nodeTypeName)
    {
        if ($this->isolated === true) {
            $this->callStepInSubProcess(__METHOD__, sprintf(' %s %s %s %s', 'string', escapeshellarg(trim($not)), 'integer', escapeshellarg($nodeTypeName)));
        } else {
            $currentNode = $this->iShouldHaveOneNode();
            $nodeType = $this->getObjectManager()->get(\Neos\ContentRepository\Domain\Service\NodeTypeManager::class)->getNodeType($nodeTypeName);
            if (empty($not)) {
                // ALLOWED to create node
                Assert::assertTrue($currentNode->isNodeTypeAllowedAsChildNode($nodeType), 'isNodeTypeAllowed returned the wrong value');
                // thus, the following line should not throw an exception
                $currentNode->createNode(uniqid('custom-node'), $nodeType);
            } else {
                // FORBIDDEN to create node
                Assert::assertFalse($currentNode->isNodeTypeAllowedAsChildNode($nodeType), 'isNodeTypeAllowed returned the wrong value');
                // thus, the following line should throw an exception
                try {
                    $currentNode->createNode(uniqid('custom-node'), $nodeType);
                    Assert::fail('It was possible to create a custom node, although it should have been prevented');
                } catch (\Neos\ContentRepository\Exception\NodeConstraintException $nodeConstraintExceptio) {
                    // Expected exception
                }
            }
        }
    }