public function testGivenInvalidGuid_getFirstStatementWithGuidReturnsNull()
{
$statements = new StatementList();
$this->assertNull($statements->getFirstStatementWithGuid(false));
}
/**
* @param StatementList $statements
* @param Summary|null $summary
*
* @throws ChangeOpException
*/
private function setStatement(StatementList $statements, Summary $summary = null)
{
$statement = $statements->getFirstStatementWithGuid($this->statementGuid);
if ($statement === null) {
throw new ChangeOpException("Entity does not have a statement with GUID " . $this->statementGuid);
}
$propertyId = $statement->getMainSnak()->getPropertyId();
if (!$propertyId->equals($this->snak->getPropertyId())) {
throw new ChangeOpException("Claim with GUID " . $this->statementGuid . " uses property " . $propertyId . ", can't change to " . $this->snak->getPropertyId());
}
$statement->setMainSnak($this->snak);
$this->updateSummary($summary, null, '', $this->getClaimSummaryArgs($this->snak));
}
