public function save(Event $event)
{
try {
$this->filesystem->write($event->getUid() . ".json", json_encode($event));
} catch (\Exception $e) {
throw new RuntimeException($e->getMessage());
}
}
/**
* @test
*/
public function it_tells_filesystem_to_write_json_version_of_event()
{
$event = new Event(["blah" => 1]);
$this->filesystem->write($event->getUid() . ".json", json_encode($event))->shouldBeCalled();
$this->SUT->save($event);
}