public function testAddService()
{
$permutation = new Permutation();
$permutation->setNamespace('privatetravis');
$permutation->setLanguage('php:5.4');
$permutation->setCommand('env before_script script');
$permutation->setPrivileged(true);
// Single service.
$permutation->addService('mysql');
$steps = $permutation->getSteps();
$require = array('MYSQL_ID=$(docker run -d --privileged privatetravis/mysql)', 'MYSQL=$(docker inspect --format "{{ .Name }}" $MYSQL_ID | cut -d "/" -f 2)');
$this->assertEquals($require, $steps);
$steps = $permutation->build();
$require[] = 'docker run --rm --privileged -v `pwd`:/data --link $MYSQL:mysql privatetravis/php:5.4 env before_script script';
$this->assertEquals($require, $steps);
// More than one service.
$permutation->addServices(array('postgres'));
$steps = $permutation->getSteps();
$require = array('MYSQL_ID=$(docker run -d --privileged privatetravis/mysql)', 'MYSQL=$(docker inspect --format "{{ .Name }}" $MYSQL_ID | cut -d "/" -f 2)', 'POSTGRES_ID=$(docker run -d --privileged privatetravis/postgres)', 'POSTGRES=$(docker inspect --format "{{ .Name }}" $POSTGRES_ID | cut -d "/" -f 2)');
$this->assertEquals($require, $steps);
$steps = $permutation->build();
$require[] = 'docker run --rm --privileged -v `pwd`:/data --link $MYSQL:mysql --link $POSTGRES:postgres privatetravis/php:5.4 env before_script script';
$this->assertEquals($require, $steps);
}
