/**
* Loads the DAL for the given path and do some check about the supported version of the loaded files and that
* there is no circular references between them.
*
* This method will check that:
*
* - The PostgreSQL version matches the supported version of the DAL.
* - The loaded DAL does not induces circular reference.
*
* @param string $path The path of the DAL to load.
* @param string[] $stack The stack of paths that have been loaded since the current call.
*
* @throws LogicException When a circular reference is detected.
* @throws LogicException When the version of PostgreSQL doesn't match the minimum version required.
*
* @return AbstractDal
*/
private function loadLayerAndCheck($path, array $stack)
{
if (in_array($path, $stack)) {
throw new LogicException(sprintf('Circular reference detected:' . PHP_EOL . ' - file: %s' . PHP_EOL . ' - load: %s then crash', implode(PHP_EOL . ' - load: ', $stack), $path));
}
$metadata = unserialize(file_get_contents($this->getMetaFilename($path)));
$pgVersion = $this->connection->getVersion();
$cmpVersion = $metadata->getSupport();
if (version_compare($pgVersion, $cmpVersion, '<')) {
throw new LogicException(sprintf('The current version of PostgreSQL is "%s" and the DAL "%s" requires a minimum version of "%s"', $pgVersion, $path, $cmpVersion));
}
$stack[] = $path;
$this->graphNodes[$path] = $graphNode = new GraphNode();
$mapper = new HierarchicalMapper($graphNode);
$mapper->setType('#', new FragmentConverter());
$blueprint = new HierarchicalBlueprint($graphNode, $this->connection, $mapper, $this->executionStrategies, $this->environment);
foreach ($metadata->getImports() as $import => $map) {
$this->doLoad($import, $stack);
$graphNode->import($this->graphNodes[$import], $map);
}
return $this->loadLayer($this->getFilename($path), $mapper, $blueprint);
}
/**
* It resolves origins resource names from aliases.
*/
function it_resolves_origin_resource_names_from_aliases()
{
$handler = (object) [];
$node1 = new GraphNode();
$node1->setResourceHandler('foo', $handler);
$node1->export('foo');
$node1->export('foo', 'bar');
$node2 = new GraphNode();
$node2->import($node1, ['foo' => 'foo', 'bar' => 'baz']);
$node2->export('foo');
$node2->export('baz', 'qux');
$this->import($node2, ['foo' => 'foo', 'qux' => 'quux']);
$this->getResourceHandler('quux')->shouldReturn($handler);
$this->getResourceIdentifier('quux')->shouldReturn('foo');
$this->getResourceHandler('foo')->shouldReturn($handler);
$this->getResourceIdentifier('foo')->shouldReturn('foo');
}