/**
* @param string $lockPath
*
* @return Composer
*
* @throws ComposerFileDoesNotExistsException
* @throws ComposerFileIsInvalidException
*/
public function fromLock($lockPath)
{
if (!is_file($lockPath)) {
throw new ComposerFileDoesNotExistsException($lockPath);
}
$file = new SplFileInfo($lockPath, null, null);
$decodedData = json_decode($file->getContents(), true);
if (json_last_error() != JSON_ERROR_NONE) {
throw new ComposerFileIsInvalidException($lockPath);
}
$packages = array();
foreach ($decodedData['packages'] as $package) {
$packages[] = Package::fromArray($package);
}
$devPackages = array();
foreach ($decodedData['packages-dev'] as $package) {
$devPackages[] = Package::fromArray($package);
}
return new Composer($packages, $devPackages, true);
}
public function testGetPackagePath()
{
$package = Package::fromArray(array('name' => 'vendor/lib', 'version' => '1.0.0'));
$this->assertEquals('vendor/vendor/lib', $package->getPackagePath('vendor/'));
}