public function testHasOnes()
{
/** @var DataDifferencerTest_Object $obj1 */
$obj1 = $this->objFromFixture('DataDifferencerTest_Object', 'obj1');
$image1 = $this->objFromFixture('Image', 'image1');
$image2 = $this->objFromFixture('Image', 'image2');
$relobj1 = $this->objFromFixture('DataDifferencerTest_HasOneRelationObject', 'relobj1');
$relobj2 = $this->objFromFixture('DataDifferencerTest_HasOneRelationObject', 'relobj2');
// create a new version
$beforeVersion = $obj1->Version;
$obj1->ImageID = $image2->ID;
$obj1->HasOneRelationID = $relobj2->ID;
$obj1->write();
$afterVersion = $obj1->Version;
$this->assertNotEquals($beforeVersion, $afterVersion);
/** @var DataDifferencerTest_Object $obj1v1 */
$obj1v1 = Versioned::get_version('DataDifferencerTest_Object', $obj1->ID, $beforeVersion);
/** @var DataDifferencerTest_Object $obj1v2 */
$obj1v2 = Versioned::get_version('DataDifferencerTest_Object', $obj1->ID, $afterVersion);
$differ = new DataDifferencer($obj1v1, $obj1v2);
$obj1Diff = $differ->diffedData();
$this->assertContains($image1->Name, $obj1Diff->getField('Image'));
$this->assertContains($image2->Name, $obj1Diff->getField('Image'));
$this->assertContains('<ins>obj2</ins><del>obj1</del>', str_replace(' ', '', $obj1Diff->getField('HasOneRelationID')));
}
/**
* Compare two version, and return the diff between them.
*
* @param string $from The version to compare from.
* @param string $to The version to compare to.
*
* @return DataObject
*/
public function compareVersions($from, $to)
{
$owner = $this->owner;
$fromRecord = Versioned::get_version($owner->class, $owner->ID, $from);
$toRecord = Versioned::get_version($owner->class, $owner->ID, $to);
$diff = new DataDifferencer($fromRecord, $toRecord);
return $diff->diffedData();
}