// Start will start the message broker and prepare it for testing.
func (c *Broker) Start(host, port string) (interface{}, error) {
ctx, err := newContext(c.ProjectID, c.JSONKey)
if err != nil {
return "", err
}
exists, err := pubsub.TopicExists(ctx, topic)
if err != nil {
log.Printf("Failed to check Cloud Pub/Sub topic: %s", err.Error())
return "", err
}
if exists {
if err := pubsub.DeleteTopic(ctx, topic); err != nil {
log.Printf("Failed to delete Cloud Pub/Sub topic: %s", err.Error())
return "", err
}
}
if err := pubsub.CreateTopic(ctx, topic); err != nil {
log.Printf("Failed to create Cloud Pub/Sub topic: %s", err.Error())
return "", err
}
log.Println("Created Cloud Pub/Sub topic")
return "", nil
}
func (s *pubSubServiceImpl) TopicExists(topic string) (bool, error) {
return pubsub.TopicExists(s.ctx, topic)
}