/**
* @dataProvider diffClaimsProvider
*/
public function testDiffClaims(Statement $oldStatement = null, Statement $newStatement = null, ClaimDifference $expected)
{
$differ = new ClaimDiffer(new OrderedListDiffer(new ComparableComparer()));
$actual = $differ->diffClaims($oldStatement, $newStatement);
$this->assertTrue($expected->equals($actual));
// Additional fail-safe checks to guard against an ArrayObject bug in PHP 5.3, that returned
// true when using == to compare two ArrayObject instances with differing content.
$this->assertEquals($expected->getQualifierChanges()->getArrayCopy(), $actual->getQualifierChanges()->getArrayCopy());
$this->assertEquals($expected->getReferenceChanges()->getArrayCopy(), $actual->getReferenceChanges()->getArrayCopy());
}
/**
* Generates HTML of a statement change.
*
* @since 0.4
*
* @param ClaimDifference $claimDifference
* @param Statement $baseStatement The new statement, if it exists. Otherwise the old statement.
*
* @return string HTML
*/
public function visualizeClaimChange(ClaimDifference $claimDifference, Statement $baseStatement)
{
$newestMainSnak = $baseStatement->getMainSnak();
$oldestMainSnak = $newestMainSnak;
$html = '';
$mainSnakChange = $claimDifference->getMainSnakChange();
if ($mainSnakChange !== null) {
$oldestMainSnak = $mainSnakChange->getOldValue() ?: $newestMainSnak;
$html .= $this->visualizeMainSnakChange($mainSnakChange, $oldestMainSnak, $newestMainSnak);
}
$rankChange = $claimDifference->getRankChange();
if ($rankChange !== null) {
$html .= $this->visualizeRankChange($rankChange, $oldestMainSnak, $newestMainSnak);
}
$qualifierChanges = $claimDifference->getQualifierChanges();
if ($qualifierChanges !== null) {
$html .= $this->visualizeQualifierChanges($qualifierChanges, $oldestMainSnak, $newestMainSnak);
}
$referenceChanges = $claimDifference->getReferenceChanges();
if ($referenceChanges !== null) {
$html .= $this->visualizeReferenceChanges($referenceChanges, $oldestMainSnak, $newestMainSnak);
}
return $html;
}
/**
* @dataProvider nonAtomicClaimDifferenceProvider
*
* @param ClaimDifference $claimDifference
*/
public function testIsNotAtomic($claimDifference)
{
$this->assertFalse($claimDifference->isAtomic(), "isAtomic reports claimDifference as atomic, although it is not");
}
