/**
* Loads a root package file from a file path.
*
* If the file does not exist, an empty configuration is returned.
*
* @param string $path The path to the package configuration file.
* @param Config $baseConfig The configuration that the package will inherit
* its configuration values from.
*
* @return RootPackageFile The loaded package file.
*
* @throws StorageException If the file cannot be read.
* @throws InvalidConfigException If the file contains invalid
* configuration.
* @throws UnsupportedVersionException If the version of the package file
* is not supported.
*/
public function loadRootPackageFile($path, Config $baseConfig)
{
if (!$this->storage->exists($path)) {
return new RootPackageFile(null, $path, $baseConfig);
}
$serialized = $this->storage->read($path);
return $this->serializer->unserializeRootPackageFile($serialized, $path, $baseConfig);
}
public function testExists()
{
$this->assertTrue($this->storage->exists($this->path));
unlink($this->path);
$this->assertFalse($this->storage->exists($this->path));
}