/**
* Loads a package from a given directory.
*
* This function returns the string of the primary package class.
*
* @throws InvalidPathException Thrown when the package directory
* does not exist.
* @throws NewUpException
* @param $directory
* @return string
*/
public function loadPackage($directory)
{
if (!$this->files->exists($directory)) {
throw new InvalidPathException("The directory {$directory} does not exist.");
}
if (!$this->files->exists($directory . '/composer.json')) {
throw new InvalidPathException("There is no composer.json file in {$directory}");
}
if (!$this->files->exists($directory . '/_newup')) {
throw new InvalidPathException("There is no _newup directory in {$directory}");
}
if (!$this->files->exists($directory . '/_newup/Package.php')) {
throw new InvalidPathException("A Package.php file must be present in in \"_newup\" directory.");
}
$package = Package::fromFile($directory . '/composer.json', user_config('configuration.strictComposerValues', true));
$namespace = package_vendor_namespace($package->getVendor(), $package->getPackage(), true);
add_psr4($namespace, $directory . '/_newup');
if (!class_exists($namespace . 'Package', true)) {
throw new NewUpException("A valid reachable class named 'Package' must be defined.");
}
if (!is_subclass_of($namespace . 'Package', BasePackageTemplate::class)) {
throw new NewUpException("The 'Package' class must extend " . BasePackageTemplate::class);
}
return $namespace . 'Package';
}
public function testAddingPsr4AddsEntry()
{
$loader = get_composer_loader();
$currentPsr4Count = count($loader->getPrefixesPsr4());
add_psr4('Test\\Test\\', '.');
$newPsr4Count = count($loader->getPrefixesPsr4());
$this->assertNotEquals($currentPsr4Count, $newPsr4Count);
$this->assertArrayHasKey('Test\\Test\\', $loader->getPrefixesPsr4());
}