"""Util for protocols."""

from ddtrace import tracer


@tracer.wrap()
def validate_protocol(module):
    """Validate protocol module.

    This method checks that the module contains all the required methods before
    we allow a service to use it. If one of the method is missing, an exception
    is thrown.
    """
    for method in ('delete', 'get', 'head', 'put', 'patch'):
        getattr(module, method)