Doctrine\DBAL\Migrations\Tools\Console\Helper\ConfigurationHelper::getMigrationConfig PHP Метод

    public function getMigrationConfig(InputInterface $input, OutputWriter $outputWriter)
    {
        /**
         * If a configuration option is passed to the command line, use that configuration
         * instead of any other one.
         */
        if ($input->getOption('configuration')) {
            $outputWriter->write("Loading configuration from command option: " . $input->getOption('configuration'));
            return $this->loadConfig($input->getOption('configuration'), $outputWriter);
        }
        /**
         * If a configuration has already been set using DI or a Setter use it.
         */
        if ($this->configuration) {
            $outputWriter->write("Loading configuration from the integration code of your framework (setter).");
            return $this->configuration;
        }
        /**
         * If no any other config has been found, look for default config file in the path.
         */
        $defaultConfig = ['migrations.xml', 'migrations.yml', 'migrations.yaml', 'migrations.json', 'migrations.php'];
        foreach ($defaultConfig as $config) {
            if ($this->configExists($config)) {
                $outputWriter->write("Loading configuration from file: {$config}");
                return $this->loadConfig($config, $outputWriter);
            }
        }
        return new Configuration($this->connection, $outputWriter);
    }

 public function testConfigurationHelperWithoutConfigurationFromSetterAndWithoutOverrideFromCommandLineAndWithoutConfigInPath()
 {
     $this->input->expects($this->any())->method('getOption')->with('configuration')->will($this->returnValue(null));
     $configurationHelper = new ConfigurationHelper($this->connection, null);
     $migrationConfig = $configurationHelper->getMigrationConfig($this->input, $this->getOutputWriter());
     $this->assertInstanceOf('Doctrine\\DBAL\\Migrations\\Configuration\\Configuration', $migrationConfig);
     $this->assertStringMatchesFormat("", $this->getOutputStreamContent($this->output));
 }