public function testGetCurrentVersionFails()
 {
     copy(__DIR__ . '/testdata/composer_noversion.json', sys_get_temp_dir() . '/composer.json');
     $context = new \Liip\RMT\Context();
     $context->setParameter('project-root', sys_get_temp_dir());
     $this->helper = new ComposerConfig($context);
     $this->assertNull($this->helper->getCurrentVersion());
 }
 protected function initialize(InputInterface $input, OutputInterface $output)
 {
     $helper = new ComposerConfig();
     $file = $this->getApplication()->getProjectRootDir() . '/composer.json';
     $helper->setComposerFile($file);
     $config = $helper->getRMTConfigSection();
     if (!$config) {
         return;
     }
     $this->writeBigTitle('Current: ' . $helper->getProjectName() . ' ' . $helper->getCurrentVersion());
     $this->writeEmptyLine();
 }