/**
* Tests hashing.
*/
public function testHashing()
{
$row = new Row($this->testValues, $this->testSourceIds);
$this->assertSame('', $row->getHash(), 'No hash at creation');
$row->rehash();
$this->assertSame($this->testHash, $row->getHash(), 'Correct hash.');
$row->rehash();
$this->assertSame($this->testHash, $row->getHash(), 'Correct hash even doing it twice.');
// Set the map to needs update.
$test_id_map = array('original_hash' => '', 'hash' => '', 'source_row_status' => MigrateIdMapInterface::STATUS_NEEDS_UPDATE);
$row->setIdMap($test_id_map);
$this->assertTrue($row->needsUpdate());
$row->rehash();
$this->assertSame($this->testHash, $row->getHash(), 'Correct hash even if id_mpa have changed.');
$row->setSourceProperty('title', 'new title');
$row->rehash();
$this->assertSame($this->testHashMod, $row->getHash(), 'Hash changed correctly.');
// Check hash calculation algorithm.
$hash = hash('sha256', serialize($row->getSource()));
$this->assertSame($hash, $row->getHash());
// Check length of generated hash used for mapping schema.
$this->assertSame(64, strlen($row->getHash()));
// Set the map to successfully imported.
$test_id_map = array('original_hash' => '', 'hash' => '', 'source_row_status' => MigrateIdMapInterface::STATUS_IMPORTED);
$row->setIdMap($test_id_map);
$this->assertFalse($row->needsUpdate());
// Set the same hash value and ensure it was not changed.
$random = $this->randomMachineName();
$test_id_map = array('original_hash' => $random, 'hash' => $random, 'source_row_status' => MigrateIdMapInterface::STATUS_NEEDS_UPDATE);
$row->setIdMap($test_id_map);
$this->assertFalse($row->changed());
// Set different has values to ensure it is marked as changed.
$test_id_map = array('original_hash' => $this->randomMachineName(), 'hash' => $this->randomMachineName(), 'source_row_status' => MigrateIdMapInterface::STATUS_NEEDS_UPDATE);
$row->setIdMap($test_id_map);
$this->assertTrue($row->changed());
}