/**
* Tests rebasing a node changes on an existing node
*
* @return void
*/
public function testRebaseDiff()
{
$rebasedNode = new Node();
$rebasedNode->setDn('rebased');
$rebasedNode->get('a', true)->add(array('a2', 'a4'));
$rebasedNode->get('b', true)->add(array('b1', 'b3'));
$rebasedNode->get('c', true)->add(array('c1', 'c3'));
$rebasedNode->get('d', true)->add(array('d1', 'd2', 'd3', 'd4'));
$rebasedNode->get('g', true)->add('g1');
$rebasedNode->get('h', true)->add(array('h1', 'h2'));
$rebasedNode->get('i', true)->add(array('i1', 'i2'));
$rebasedNode->snapshot();
$rebasedNode->get('a')->add(array('a1', 'a3'));
$rebasedNode->removeAttribute('b');
$rebasedNode->get('c')->set(array('c4', 'c5'));
$rebasedNode->get('d')->remove('d2');
$rebasedNode->get('d')->remove('d3');
$rebasedNode->get('d')->add('d5');
$rebasedNode->get('f', true)->add(array('f1', 'f2'));
$rebasedNode->removeAttribute('g');
$rebasedNode->get('h')->set(array('h1', 'h3'));
$rebasedNode->get('i')->remove('i2');
$this->assertEquals(array('a' => array('a2', 'a4', 'a1', 'a3'), 'c' => array('c4', 'c5'), 'd' => array(0 => 'd1', 3 => 'd4', 4 => 'd5'), 'f' => array('f1', 'f2'), 'h' => array('h1', 'h3'), 'i' => array('i1')), $rebasedNode->getRawAttributes(), 'All attributes according to plan');
$this->assertEquals(array('a' => array('a1', 'a3'), 'd' => array('d5'), 'f' => array('f1', 'f2')), $rebasedNode->getDiffAdditions(), 'Regular additions tracking');
$this->assertEquals(array('b' => array(), 'd' => array('d2', 'd3'), 'g' => array(), 'i' => array('i2')), $rebasedNode->getDiffDeletions(), 'Regular deletions tracking');
$this->assertEquals(array('c' => array('c4', 'c5'), 'h' => array('h1', 'h3')), $rebasedNode->getDiffReplacements(), 'Regular replacements tracking');
$origNode = new Node();
$origNode->setDn('origin');
$origNode->get('a', true)->add(array('a1', 'a2'));
$origNode->get('b', true)->add(array('b1', 'b2'));
$origNode->get('c', true)->add(array('c1', 'c2'));
$origNode->get('d', true)->add(array('d1', 'd2'));
$origNode->get('e', true)->add(array('e1', 'e2'));
try {
$rebasedNode->rebaseDiff($origNode);
$this->fail('Cannot rebase on a node which is not snapshot');
} catch (RebaseException $e) {
$this->assertRegExp('/origin has some uncommitted changes - Cannot rebase rebased on origin/', $e->getMessage());
}
$this->assertEquals(array('a' => array('a2', 'a4', 'a1', 'a3'), 'c' => array('c4', 'c5'), 'd' => array(0 => 'd1', 3 => 'd4', 4 => 'd5'), 'f' => array('f1', 'f2'), 'h' => array('h1', 'h3'), 'i' => array('i1')), $rebasedNode->getRawAttributes(), 'Rebased node values are unchanged');
$origNode->snapshot();
$backupNode = clone $origNode;
$rebasedNode->rebaseDiff($origNode);
$this->assertEquals(array('a' => array('a1', 'a2', 'a3'), 'c' => array('c4', 'c5'), 'd' => array(0 => 'd1', 2 => 'd5'), 'e' => array('e1', 'e2'), 'f' => array('f1', 'f2'), 'h' => array('h1', 'h3')), $rebasedNode->getRawAttributes(), 'Rebased diff got applied on origin node values');
$this->assertEquals(array('a' => array('a3'), 'd' => array('d5'), 'f' => array('f1', 'f2'), 'h' => array('h1', 'h3')), $rebasedNode->getDiffAdditions(), 'A new additions diff has been computed (h did not exist in origin node so it is added)');
$this->assertEquals(array('b' => array(), 'd' => array('d2')), $rebasedNode->getDiffDeletions(), 'g and i deletions got ignored in the new deletion diff as they were not set on origin');
$this->assertEquals(array('c' => array('c4', 'c5')), $rebasedNode->getDiffReplacements(), 'h replacement was computed as an addition on origin node');
}
/**
* Saves a node to the Ldap store
*
* @param Node $node Node to be saved
*
* @return boolean True if node got created, false if it was updated
*
* @throws PersistenceException If saving operation fails writing to the Ldap
*/
public function save(Node $node)
{
$this->validateBinding();
if (strlen(trim($node->getDn())) == 0) {
throw new PersistenceException('Cannot save: dn missing for the entry');
}
if (!$node->isHydrated()) {
try {
$origin = $this->getNode($node->getDn());
$node->rebaseDiff($origin);
} catch (NodeNotFoundException $e) {
$this->connection->addEntry($node->getDn(), $node->getRawAttributes());
$node->snapshot();
return true;
}
}
if (count($data = $node->getDiffAdditions()) > 0) {
$this->connection->addAttributeValues($node->getDn(), $data);
}
if (count($data = $node->getDiffDeletions()) > 0) {
$this->connection->deleteAttributeValues($node->getDn(), $data);
}
if (count($data = $node->getDiffReplacements()) > 0) {
$this->connection->replaceAttributeValues($node->getDn(), $data);
}
$node->snapshot();
return false;
}
/**
* Rebase diff based on source node as an origin
*
* @param Node $node Node to use as a source for origin
*
* @return void
*
* @throws RebaseException If source of origin node has uncommitted changes
*/
public function rebaseDiff(Node $node)
{
$changes = array_merge($node->getDiffAdditions(), $node->getDiffDeletions(), $node->getDiffReplacements());
if (count($changes) > 0) {
throw new RebaseException(sprintf('%s has some uncommitted changes - Cannot rebase %s on %s', $node->getDn(), $this->getDn(), $node->getDn()));
}
$additions = $this->getDiffAdditions();
$deletions = $this->getDiffDeletions();
$replacements = $this->getDiffReplacements();
$this->snapshot();
$this->attributes = $node->getAttributes();
foreach ($additions as $attribute => $values) {
$this->get($attribute, true)->add($values);
}
foreach ($deletions as $attribute => $values) {
if (count($values) == 0) {
$this->removeAttribute($attribute);
continue;
}
if ($this->has($attribute)) {
$this->get($attribute)->remove($values);
}
}
foreach ($replacements as $attribute => $values) {
$this->get($attribute, true)->set($values);
}
}
/**
* Asserts a node got snapshot
*
* @param Node $node Node to test
* @param string $msg Message logged with assertion (Optional)
*
* @return void
*/
protected function assertSnapshot(Node $node, $msg = null)
{
$this->assertEquals(array(), array_merge($node->getDiffAdditions(), $node->getDiffDeletions(), $node->getDiffReplacements()), $msg);
}
