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Generate an Idempotency-Key header mock with UUID in Python

This code provides a mock idempotency service that generates a UUID-based Idempotency-Key header token and validates it, useful for simulating production API behavior in tests.

uuid idempotency mock

Python

import uuid

class MockIdempotencyService:
    def __init__(self):
        self._tokens = {}

    def get_token(self, header_name="Idempotency-Key"):
        token = str(uuid.uuid4())
        self._tokens[header_name] = token
        return token

    def validate(self, header_name="Idempotency-Key"):
        return s…

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