/**
* Generates and returns an HTML visualization of the provided EntityContentDiff.
*
* @since 0.5
*
* @param EntityContentDiff $diff
*
* @return string
*/
public function visualizeEntityContentDiff(EntityContentDiff $diff)
{
$html = '';
$html .= $this->visualizeRedirectDiff($diff->getRedirectDiff());
$html .= $this->visualizeEntityDiff($diff->getEntityDiff());
return $html;
}
/**
* @dataProvider provideConstruction
*
* @param EntityDiff $entityDiff
* @param Diff $redirectDiff
*/
public function testConstruction(EntityDiff $entityDiff, Diff $redirectDiff)
{
$diff = new EntityContentDiff($entityDiff, $redirectDiff);
$this->assertArrayEquals($entityDiff->getOperations(), $diff->getEntityDiff()->getOperations());
$this->assertEmpty(array_diff(array_keys($entityDiff->getOperations()), array_keys($diff->getEntityDiff()->getOperations())));
$this->assertArrayEquals($redirectDiff->getOperations(), $diff->getRedirectDiff()->getOperations());
$this->assertEmpty(array_diff(array_keys($redirectDiff->getOperations()), array_keys($diff->getRedirectDiff()->getOperations())));
}
/**
* @dataProvider diffProvider
*
* @param EntityContent $a
* @param EntityContent $b
* @param EntityContentDiff $expected
*/
public function testGetDiff(EntityContent $a, EntityContent $b, EntityContentDiff $expected)
{
$actual = $a->getDiff($b);
$this->assertInstanceOf('Wikibase\\Repo\\Content\\EntityContentDiff', $actual);
$expectedEntityOps = $expected->getEntityDiff()->getOperations();
$actualEntityOps = $actual->getEntityDiff()->getOperations();
// HACK: ItemDiff always sets this, even if it's empty. Ignore.
if (isset($actualEntityOps['claim']) && $actualEntityOps['claim']->isEmpty()) {
unset($actualEntityOps['claim']);
}
$this->assertArrayEquals($expectedEntityOps, $actualEntityOps, false, true);
$expectedRedirectOps = $expected->getRedirectDiff()->getOperations();
$actualRedirectOps = $actual->getRedirectDiff()->getOperations();
$this->assertArrayEquals($expectedRedirectOps, $actualRedirectOps, false, true);
}
/**
* Returns a patched copy of this Content object.
*
* @param EntityContentDiff $patch
*
* @throws PatcherException
* @return EntityContent
*/
public function getPatchedCopy(EntityContentDiff $patch)
{
/* @var EntityHandler $handler */
$handler = $this->getContentHandler();
if ($this->isRedirect()) {
$entityAfterPatch = $this->makeEmptyEntity();
} else {
$entityAfterPatch = unserialize(serialize($this->getEntity()));
}
// FIXME: this should either be done in the derivatives, or the patcher
// should be injected, so the application can add support for additional entity types.
$patcher = new EntityPatcher();
$patcher->patchEntity($entityAfterPatch, $patch->getEntityDiff());
$redirAfterPatch = $this->getPatchedRedirect($patch->getRedirectDiff());
if ($redirAfterPatch !== null && !$entityAfterPatch->isEmpty()) {
throw new PatcherException('EntityContent must not contain Entity data as well as' . ' a redirect after applying the patch!');
} elseif ($redirAfterPatch) {
$patched = $handler->makeEntityRedirectContent($redirAfterPatch);
if (!$patched) {
throw new PatcherException('Cannot create a redirect using content model ' . $this->getModel() . '!');
}
} else {
$patched = $handler->makeEntityContent(new EntityInstanceHolder($entityAfterPatch));
}
return $patched;
}
