testing

PhabricatorPackagesVersionNameTransaction.php
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			<?php

			final class PhabricatorPackagesVersionNameTransaction
			extends PhabricatorPackagesVersionTransactionType {

			const TRANSACTIONTYPE = 'packages.version.name';

			public function generateOldValue($object) {
			return $object->getName();
			}

			public function applyInternalEffects($object, $value) {
			$object->setName($value);
			}

			public function getTitle() {
			return pht(
			'%s changed the name of this version from %s to %s.',
			$this->renderAuthor(),
			$this->renderOldValue(),
			$this->renderNewValue());
			}

			public function getTitleForFeed() {
			return pht(
			'%s updated the name for %s from %s to %s.',
			$this->renderAuthor(),
			$this->renderObject(),
			$this->renderOldValue(),
			$this->renderNewValue());
			}

			public function validateTransactions($object, array $xactions) {
			$errors = array();

			if ($this->isEmptyTextTransaction($object->getName(), $xactions)) {
			$errors[] = $this->newRequiredError(
			pht('Versions must have a name.'));
			return $errors;
			}

			foreach ($xactions as $xaction) {
			$value = $xaction->getNewValue();
			try {
			PhabricatorPackagesVersion::assertValidVersionName($value);
			} catch (Exception $ex) {
			$errors[] = $this->newInvalidError($ex->getMessage(), $xaction);
			}
			}

			if (!$this->isNewObject()) {
			foreach ($xactions as $xaction) {
			$errors[] = $this->newInvalidError(
			pht('Once a version is created, its name can not be changed.'),
			$xaction);
			}
			}

			return $errors;
			}

			}