from unittest.mock import MagicMock

import boto
from boto.sns import SNSConnection

from garcon import activity

from garcon.contrib.aws import sns


def test_sns_publish_message(monkeypatch):
    """Verify sns sends expected subject/message/topic
    """

    monkeypatch.setattr(
        boto, 'connect_sns', MagicMock(return_value=boto.sns.SNSConnection))
    monkeypatch.setattr(
        SNSConnection, 'publish', MagicMock(return_value=None))

    sns.sns_publish_message(
        activity.Activity(),
        topic='fake topic',
        message='hello message', subject='subject line')

    boto.sns.SNSConnection.publish.assert_called_with(
        subject='subject line', message='hello message',
        topic='fake topic')