Using multiple databases in phpunit/dbunit with composer

composer.json

{
    "repositories": [
        {
            "type": "package",
            "package": {
                "name": "hamcrest/hamcrest",
                "version": "1.1.0",
                "dist": {
                    "type": "zip",
                    "url": "https://hamcrest.googlecode.com/files/hamcrest-php-1.1.0.zip"
                },
                "include-path": ["Hamcrest-1.1.0/"],
                "autoload": {
                    "psr-0": { "Hamcrest_": "Hamcrest-1.1.0/" },
                    "files": ["Hamcrest-1.1.0/Hamcrest/Hamcrest.php"]
                }
            }
        },
        {
            "type": "package",
            "package": {
                "name": "etsy/phpunit-extensions",
                "version": "0.6.0",
                "dist": {
                    "type": "zip",
                    "url": "https://github.com/etsy/phpunit-extensions/archive/v0.6.0.zip"
                },
                "autoload": {
                    "psr-0": { "PHPUnit_": "" }
                }
            }
        }
    ],
    "require": {
        "php": ">=5.3.2"
    },
    "require-dev": {
        "hamcrest/hamcrest": "1.1.0",
        "mockery/mockery": ">=0.7.2",
        "etsy/phpunit-extensions": "0.6.0",
        "phpunit/phpunit": "3.7.*",
        "phpunit/dbunit": "1.2.*"
    },
    "include-path": ["vendor/mockery/mockery/library"]
}

DatabaseTest.php

/**
 * Specific example for Zend Framework 1.0 applications (update the database "fetching")
 */
class DatabaseTest extends PHPUnit_Extensions_MultipleDatabase_TestCase
{    
    protected function getDatabaseConfigs()
    {
        $configs = array();
        $options = $this->_application->getOptions();
        $databases = $options['resources']['dbs'];

        foreach ($databases as $database) {
            $fixture = __DIR__ . '/_files/fixture_' . $database . '.xml';
            if (is_file($fixture)) {
                $tables = simplexml_load_file($fixture);
                if (count($tables) == 0) {
                    // don't register databases with empty fixtures
                    continue;
                }
                unset($tables);
                $builder = new PHPUnit_Extensions_MultipleDatabase_DatabaseConfig_Builder();
                $builder->connection(
                    new PHPUnit_Extensions_Database_DB_DefaultDatabaseConnection(
                        $this->_application->getBootstrap()
                            ->getPluginResource('Dbs')
                            ->getDbAdapter($database)
                            ->getConnection(),
                        $database
                    )
                );
                $builder->dataSet(
                    new PHPUnit_Extensions_Database_DataSet_XmlDataSet($fixture)
                );
                $configs[$database] = $builder->build();
            }
        }

        return $configs;
    }

    /**
     * Fetch a specific connection to do testing (rowcount, etc...)
     *
     * @param string $database The name of the database
     *
     * @return PHPUnit_Extensions_Database_DB_DefaultDatabaseConnection
     */
    public function getConnection($database)
    {
        $configs = $this->getDatabaseConfigs();
        return $configs[$database]->getConnection();
    }

}

gistfile1.sh

cd $PROJECT_ROOT
curl -s https://getcomposer.org/installer | php
php composer.phar install --dev
vendor/bin/phpunit --version

SomeTest.php

$this->assertEquals(0, $this->getConnection('dbname')->getRowCount('user'), "Pre-Condition");
$user = new User();
$user->save();
$this->assertEquals(1, $this->getConnection('dbname')->getRowCount('user'), "Inserting failed");