public function testActivateMakesComposerAndIOAvailable()
{
$composer = $this->getMockBuilder('Composer\\Composer')->getMock();
$io = $this->getMockBuilder('Composer\\IO\\IOInterface')->getMock();
$plugin = new Plugin();
$plugin->activate($composer, $io);
$this->assertAttributeEquals($composer, 'composer', $plugin);
$this->assertAttributeEquals($io, 'io', $plugin);
}