public function testTransactionRollbackDuringApplyChanges()
{
// Save some basic data into the db before we create a transaction to modify it
$subjectOne = 'http://example.com/resources/1';
$subjectTwo = 'http://example.com/resources/2';
$doc1 = array('_id' => array('r' => $subjectOne, 'c' => 'http://talisaspire.com/'), 'rdf:type' => array('u' => 'acorn:Resource'), 'dct:title' => array(array('l' => 'Title one'), array('l' => 'Title two')), '_version' => 0, '_cts' => \Tripod\Mongo\DateUtil::getMongoDate(), '_uts' => \Tripod\Mongo\DateUtil::getMongoDate());
$doc2 = array('_id' => array('r' => $subjectTwo, 'c' => 'http://talisaspire.com/'), 'rdf:type' => array('u' => 'acorn:Book'), 'dct:title' => array(array('l' => 'Title three'), array('l' => 'Title four')), '_version' => 0, '_cts' => \Tripod\Mongo\DateUtil::getMongoDate(), '_uts' => \Tripod\Mongo\DateUtil::getMongoDate());
$this->addDocument($doc1);
$this->addDocument($doc2);
// now lets modify the data using tripod
$g1 = $this->tripod->describeResources(array($subjectOne), 'http://talisaspire.com/');
$g2 = $this->tripod->describeResources(array($subjectTwo), 'http://talisaspire.com/');
$oG = new \Tripod\Mongo\MongoGraph();
$oG->add_graph($g1);
$oG->add_graph($g2);
$nG = new \Tripod\Mongo\MongoGraph();
$nG->add_graph($oG);
$nG->remove_literal_triple($subjectOne, $nG->qname_to_uri("dct:title"), "Title one");
$nG->add_literal_triple($subjectOne, $nG->qname_to_uri("dct:title"), "Updated Title one");
$nG->remove_literal_triple($subjectTwo, $nG->qname_to_uri("dct:title"), "Title three");
$nG->add_literal_triple($subjectTwo, $nG->qname_to_uri("dct:title"), "Updated Title three");
$mockTransactionId = 'transaction_1';
$mockTripod = $this->getMock('\\Tripod\\Mongo\\Driver', array('getDataUpdater'), array('CBD_testing', 'tripod_php_testing', array('defaultContext' => 'http://talisaspire.com/')));
$mockTripodUpdate = $this->getMock('\\Tripod\\Mongo\\Updates', array('generateTransactionId', 'lockSingleDocument', 'applyChangeSet'), array($mockTripod));
$mockTripodUpdate->expects($this->exactly(1))->method('generateTransactionId')->will($this->returnValue($mockTransactionId));
$mockTripodUpdate->expects($this->exactly(2))->method('lockSingleDocument')->will($this->returnCallback(array($this, 'lockSingleDocumentCallback')));
$mockTripodUpdate->expects($this->once())->method('applyChangeSet')->will($this->throwException(new Exception("Exception throw by mock test during applychangeset")));
$mockTripod->expects($this->atLeastOnce())->method('getDataUpdater')->will($this->returnValue($mockTripodUpdate));
/** @var $mockTripod \Tripod\Mongo\Driver */
$mockTripod->setTransactionLog($this->tripodTransactionLog);
try {
$mockTripod->saveChanges($oG, $nG, "http://talisaspire.com/");
$this->fail('Exception should have been thrown');
} catch (\Tripod\Exceptions\Exception $e) {
// Squash the exception here as we need to continue running the assertions.
}
// make sure the subjects werent changed
$uG = $this->tripod->describeResources(array($subjectOne, $subjectTwo));
$this->assertTrue($uG->has_resource_triple($subjectOne, $uG->qname_to_uri("rdf:type"), $uG->qname_to_uri("acorn:Resource")));
$this->assertTrue($uG->has_literal_triple($subjectOne, $uG->qname_to_uri("dct:title"), 'Title one'));
$this->assertTrue($uG->has_literal_triple($subjectOne, $uG->qname_to_uri("dct:title"), 'Title two'));
$this->assertFalse($uG->has_literal_triple($subjectOne, $uG->qname_to_uri("dct:title"), 'Updated Title two'));
$this->assertTrue($uG->has_resource_triple($subjectTwo, $uG->qname_to_uri("rdf:type"), $uG->qname_to_uri("acorn:Book")));
$this->assertTrue($uG->has_literal_triple($subjectTwo, $uG->qname_to_uri("dct:title"), 'Title three'));
$this->assertTrue($uG->has_literal_triple($subjectTwo, $uG->qname_to_uri("dct:title"), 'Title four'));
$this->assertFalse($uG->has_literal_triple($subjectTwo, $uG->qname_to_uri("dct:title"), 'Updated Title three'));
$this->assertDocumentDoesNotHaveProperty(array('r' => $subjectOne, 'c' => 'http://talisaspire.com/'), _LOCKED_FOR_TRANS, $this->tripod);
$this->assertDocumentDoesNotHaveProperty(array('r' => $subjectOne, 'c' => 'http://talisaspire.com/'), _LOCKED_FOR_TRANS_TS, $this->tripod);
$this->assertDocumentDoesNotHaveProperty(array('r' => $subjectTwo, 'c' => 'http://talisaspire.com/'), _LOCKED_FOR_TRANS, $this->tripod);
$this->assertDocumentDoesNotHaveProperty(array('r' => $subjectTwo, 'c' => 'http://talisaspire.com/'), _LOCKED_FOR_TRANS_TS, $this->tripod);
$transaction = $mockTripodUpdate->getTransactionLog()->getTransaction($mockTransactionId);
$this->assertNotNull($transaction);
$this->assertEquals("Exception throw by mock test during applychangeset", $transaction['error']['reason']);
$this->assertEquals("failed", $transaction['status']);
}
public function testTransactionIsLoggedCorrectlyWhenSaveFails()
{
$uri = 'http://example.com/resources/1';
// save a new entity, and retrieve it
$g = new \Tripod\Mongo\MongoGraph();
$g->add_resource_triple($uri, $g->qname_to_uri("rdf:type"), $g->qname_to_uri("acorn:Resource"));
$g->add_literal_triple($uri, $g->qname_to_uri("dct:title"), "wibble");
$mTripod = $this->getMock('\\Tripod\\Mongo\\Driver', array('getDataUpdater'), array('CBD_testing', 'tripod_php_testing'));
$mTripodUpdate = $this->getMock('\\Tripod\\Mongo\\Updates', array('getUniqId'), array($mTripod));
$mTripodUpdate->expects($this->atLeastOnce())->method('getUniqId')->will($this->returnValue(1));
$mTripod->expects($this->atLeastOnce())->method('getDataUpdater')->will($this->returnValue($mTripodUpdate));
$mTripod->setTransactionLog($this->tripodTransactionLog);
$mTripod->saveChanges(new \Tripod\Mongo\MongoGraph(), $g, 'http://talisaspire.com/');
// STEP 2
// now attempt to update the entity but throw an exception in applyChangeset
// this should cause the save to fail, and this should be reflected in the transaction log
$mTripod = null;
$mTripod = $this->getMock('\\Tripod\\Mongo\\Driver', array('getDataUpdater'), array('CBD_testing', 'tripod_php_testing'));
$mTripodUpdate = $this->getMock('\\Tripod\\Mongo\\Updates', array('getUniqId', 'applyChangeSet'), array($mTripod));
$mTripodUpdate->expects($this->atLeastOnce())->method('getUniqId')->will($this->returnValue(2));
$mTripodUpdate->expects($this->atLeastOnce())->method('applyChangeSet')->will($this->throwException(new Exception("exception thrown by mock test")));
$mTripod->expects($this->atLeastOnce())->method('getDataUpdater')->will($this->returnValue($mTripodUpdate));
$mTripod->setTransactionLog($this->tripodTransactionLog);
$nG = new \Tripod\Mongo\MongoGraph();
$nG->add_graph($g);
$nG->add_literal_triple($uri, $g->qname_to_uri("dct:title"), "another title");
try {
$saved = $mTripod->saveChanges($g, $nG, 'http://talisaspire.com/');
$this->fail("Exception should have been thrown");
} catch (\Tripod\Exceptions\Exception $e) {
// Squash exception here as we want to keep running assertions below.
}
// Now assert that the transaction logged the failure
$transactionId = 'transaction_2';
$transactionDocument = $this->getDocument($transactionId, $this->tripod, true);
$this->assertEquals($transactionId, $transactionDocument['_id'], 'transtion should have the mocked id we injected');
$this->assertEquals('failed', $transactionDocument['status'], 'status of the transaction should be failed');
$this->assertEquals(1, count($transactionDocument['originalCBDs']), 'There should only be on CBD in the originalCBs collection');
$this->assertTransactionDate($transactionDocument, 'startTime');
$this->assertTransactionDate($transactionDocument, 'failedTime');
$this->assertTrue(isset($transactionDocument['changes']), "Transaction should contain changes");
$this->assertChangesForGivenSubject($transactionDocument['changes'], $uri, 1, 0);
$expectedCBD = array('_id' => array('r' => 'http://example.com/resources/1', 'c' => 'http://talisaspire.com/'), '_version' => 0, "dct:title" => array('l' => 'wibble'), "rdf:type" => array('u' => "acorn:Resource"));
$actualCBD = $transactionDocument['originalCBDs'][0];
// TODO: find a better way of doing this, for now we set the expected created ts and updated ts to the same as actual or test will fail
$expectedCBD[_UPDATED_TS] = $actualCBD[_UPDATED_TS];
$expectedCBD[_CREATED_TS] = $actualCBD[_CREATED_TS];
// sort the keys in both arrays to ensure equals check works (it will fail if the keys are in a different order)
ksort($actualCBD);
ksort($expectedCBD);
$this->assertEquals($expectedCBD, $actualCBD, 'CBD in transaction should match our expected value exactly');
// finally check that the actual error was logged in the transaction_log
$this->assertTrue(isset($transactionDocument['error']) && isset($transactionDocument['error']['reason']) && isset($transactionDocument['error']['trace']), 'The error should be logged, both the message and a stack trace');
$this->assertEquals('exception thrown by mock test', $transactionDocument['error']['reason'], 'The transaction log should have logged the exception our test suite threw');
$this->assertNotEmpty($transactionDocument['error']['trace'], 'The transaction log have a non empty error trace');
}
/**
* this test verifies that if we simply want to add some data to a document that exists in we dont need to specify an oldgraph; we just need to specify the new graph
* the cs builder should translate that into a single addition statement and apply it.
* This builds on the previous test, by operating on data in mongo where _id.r and _id.c are namespaced AND passing context into the save method
*/
public function testTripodSaveChangesAddsLiteralTripleUsingEmptyOldGraphWithNamespacedContext()
{
$oG = new \Tripod\Mongo\MongoGraph();
$nG = new \Tripod\Mongo\MongoGraph();
$nG->add_graph($oG);
// resource and context are namespaced in base data this time around...
$nG->add_literal_triple('http://basedata.com/b/1', $nG->qname_to_uri('searchterms:title'), 'TEST TITLE');
$this->tripod->saveChanges($oG, $nG, "baseData:DefaultGraph", 'my changes');
$uG = $this->tripod->describeResource('http://basedata.com/b/1', "http://basedata.com/b/DefaultGraph");
$this->assertHasLiteralTriple($uG, 'http://basedata.com/b/1', $nG->qname_to_uri('searchterms:title'), 'TEST TITLE');
}
