FluidTYPO3\Flux\Tests\Unit\Provider\AbstractProviderTest::canPreProcessRecordAndTransferDataToRecordValues PHP Method

    public function canPreProcessRecordAndTransferDataToRecordValues()
    {
        $provider = $this->getConfigurationProviderInstance();
        $record = $this->getBasicRecord();
        $parentInstance = GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\DataHandling\\DataHandler');
        $tableName = $provider->getTableName($record);
        if (TRUE === empty($tableName)) {
            $tableName = 'tt_content';
            $provider->setTableName($tableName);
        }
        $fieldName = $provider->getFieldName($record);
        if (TRUE === empty($fieldName)) {
            $fieldName = 'pi_flexform';
            $provider->setFieldName($fieldName);
        }
        $record['header'] = 'old';
        $record[$fieldName] = array('data' => array('options' => array('lDEF' => array($tableName . '.header' => array('vDEF' => 'overridden-header')))));
        $id = $record['uid'];
        $provider->preProcessRecord($record, $id, $parentInstance);
        $this->assertSame($record['header'], $record[$fieldName]['data']['options']['lDEF'][$tableName . '.header']['vDEF']);
    }