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Cloud + Python easy

Mock SNS publish subscribe fanout in Python

Simulates AWS SNS publish/subscribe with an in-memory topic-to-endpoints dict that fans out messages to all subscribers.

aws sns pub-sub
Python 
class SNSMock:
    def __init__(self):
        self.topics = {}

    def create_topic(self, name):
        if name not in self.topics:
            self.topics[name] = []
        return f"arn:aws:sns:us-east-1:123456789012:{name}"

    def subscribe(self, topic_name, endpoint):
        self.topics.setdefault(topic_name…
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