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# Copyright 2019 Google LLC

#

# Licensed under the Apache License, Version 2.0 (the 'License');

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an 'AS IS' BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

import base64

import os

from mock import MagicMock

import main

FUNCTIONS_TOPIC = os.getenv("FUNCTIONS_TOPIC")

def test_functions_pubsub_publish_should_fail_without_params():

request = MagicMock()

request.get_json.return_value = {}

response = main.publish(request)

assert 'Missing "topic" and/or "subscription" parameter.' in response

def test_functions_pubsub_publish_should_publish_message():

request = MagicMock()

request.get_json.return_value = {

"topic": FUNCTIONS_TOPIC, "message": "my_message"

}

response = main.publish(request)

assert response == "Message published."

def test_functions_pubsub_subscribe_should_print_message(capsys):

pubsub_message = {"data": base64.b64encode(b"Hello, world!")}

main.subscribe(pubsub_message, None)

out, _ = capsys.readouterr()

assert "Hello, world!" in out