public function testGivenEntityDiffOpArray_entityDiffOpisReturned()
{
$factory = new EntityTypeAwareDiffOpFactory();
$diffOp = new ItemDiff(array());
$newDiffOp = $factory->newFromArray($diffOp->toArray());
$this->assertEquals($diffOp, $newDiffOp);
}
/**
* Checks that ItemDiff can handle atomic diffs for substructures.
* This is needed for backwards compatibility with old versions of
* MapDiffer: As of commit ff65735a125e, MapDiffer may generate atomic
* diffs for substructures even in recursive mode (bug 51363).
*/
public function testAtomicSubstructureWorkaround()
{
$oldErrorLevel = error_reporting(E_USER_ERROR);
$atomicListDiff = new DiffOpChange(array('a' => 'A', 'b' => 'B'), array('b' => 'B', 'a' => 'A'));
$diff = new ItemDiff(array('aliases' => $atomicListDiff, 'label' => $atomicListDiff, 'description' => $atomicListDiff, 'claim' => $atomicListDiff, 'links' => $atomicListDiff));
$this->assertInstanceOf('Diff\\DiffOp\\Diff\\Diff', $diff->getAliasesDiff());
$this->assertInstanceOf('Diff\\DiffOp\\Diff\\Diff', $diff->getLabelsDiff());
$this->assertInstanceOf('Diff\\DiffOp\\Diff\\Diff', $diff->getDescriptionsDiff());
$this->assertInstanceOf('Diff\\DiffOp\\Diff\\Diff', $diff->getClaimsDiff());
$this->assertInstanceOf('Diff\\DiffOp\\Diff\\Diff', $diff->getSiteLinkDiff());
error_reporting($oldErrorLevel);
}
public function changeBackwardsCompatProvider()
{
global $wgDevelopmentWarnings;
//NOTE: Disable developer warnings that may get triggered by
// the B/C code path.
$wgDevelopmentWarnings = false;
\MediaWiki\suppressWarnings();
try {
$cases = array();
// --------
// We may hit a plain diff generated by old code.
// Make sure we can deal with that.
$diff = new Diff();
$change = new ItemChange(array('type' => 'test'));
$change->setDiff($diff);
$cases['plain-diff'] = array($change);
// --------
// Bug T53363: As of commit ff65735a125e, MapDiffer may generate atomic diffs for
// substructures even in recursive mode. Make sure we can handle them
// if we happen to load them from the database or such.
$diff = new ItemDiff(array('links' => new DiffOpChange(array('foowiki' => 'X', 'barwiki' => 'Y'), array('barwiki' => 'Y', 'foowiki' => 'X'))));
// make sure we got the right key for sitelinks
assert($diff->getSiteLinkDiff() !== null);
//NOTE: ItemChange's constructor may or may not already fix the bad diff.
$change = new ItemChange(array('type' => 'test'));
$change->setDiff($diff);
$cases['atomic-sitelink-diff'] = array($change);
$wgDevelopmentWarnings = true;
\MediaWiki\restoreWarnings();
return $cases;
} catch (Exception $ex) {
$wgDevelopmentWarnings = true;
\MediaWiki\restoreWarnings();
throw $ex;
}
}
