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b5a33ded98
For all FunctionErrors, and for invoke errors (status > 299) we want to retry with failover lambda. We are doing this, because if there is a connection or other error with one lambda, the failover lambda may still work and it's worth trying. With time, we will probably have more complex retry flow, depending on the error and even maybe differing for each MNO (broadcast provider).
592 lines
16 KiB
Python
592 lines
16 KiB
Python
import json
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import uuid
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from collections import namedtuple
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from datetime import datetime
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from unittest.mock import Mock, call
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import pytest
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from app.clients.cbc_proxy import CBCProxyClient, CBCProxyException, CBCProxyEE, CBCProxyCanary
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from app.utils import DATETIME_FORMAT
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EXAMPLE_AREAS = [{
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'description': 'london',
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'polygon': [
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[51.12, -1.2],
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[51.12, 1.2],
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[51.74, 1.2],
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[51.74, -1.2],
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[51.12, -1.2],
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],
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}]
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@pytest.fixture(scope='function')
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def cbc_proxy_client(client, mocker):
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client = CBCProxyClient()
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current_app = mocker.Mock(config={
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'CBC_PROXY_AWS_ACCESS_KEY_ID': 'cbc-proxy-aws-access-key-id',
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'CBC_PROXY_AWS_SECRET_ACCESS_KEY': 'cbc-proxy-aws-secret-access-key',
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'CBC_PROXY_ENABLED': True,
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})
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client.init_app(current_app)
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return client
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@pytest.fixture
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def cbc_proxy_ee(cbc_proxy_client):
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return cbc_proxy_client.get_proxy('ee')
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@pytest.fixture
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def cbc_proxy_vodafone(cbc_proxy_client):
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return cbc_proxy_client.get_proxy('vodafone')
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@pytest.mark.parametrize('provider_name, expected_provider_class', [
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('ee', CBCProxyEE),
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('canary', CBCProxyCanary),
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])
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def test_cbc_proxy_client_returns_correct_client(provider_name, expected_provider_class):
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mock_lambda = Mock()
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cbc_proxy_client = CBCProxyClient()
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cbc_proxy_client._lambda_client = mock_lambda
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ret = cbc_proxy_client.get_proxy(provider_name)
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assert type(ret) == expected_provider_class
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assert ret._lambda_client == mock_lambda
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def test_cbc_proxy_lambda_client_has_correct_region(cbc_proxy_ee):
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assert cbc_proxy_ee._lambda_client._client_config.region_name == 'eu-west-2'
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def test_cbc_proxy_lambda_client_has_correct_keys(cbc_proxy_ee):
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key = cbc_proxy_ee._lambda_client._request_signer._credentials.access_key
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secret = cbc_proxy_ee._lambda_client._request_signer._credentials.secret_key
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assert key == 'cbc-proxy-aws-access-key-id'
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assert secret == 'cbc-proxy-aws-secret-access-key'
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@pytest.mark.parametrize('description, expected_language', (
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('my-description', 'en-GB'),
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('mŷ-description', 'cy-GB'),
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))
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def test_cbc_proxy_ee_create_and_send_invokes_function(
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mocker,
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cbc_proxy_ee,
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description,
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expected_language,
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):
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identifier = 'my-identifier'
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headline = 'my-headline'
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sent = 'a-passed-through-sent-value'
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expires = 'a-passed-through-expires-value'
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ld_client_mock = mocker.patch.object(
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cbc_proxy_ee,
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'_lambda_client',
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create=True,
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)
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ld_client_mock.invoke.return_value = {
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'StatusCode': 200,
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}
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cbc_proxy_ee.create_and_send_broadcast(
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identifier=identifier,
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message_number='0000007b',
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headline=headline,
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description=description,
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areas=EXAMPLE_AREAS,
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sent=sent, expires=expires,
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)
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ld_client_mock.invoke.assert_called_once_with(
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FunctionName='bt-ee-1-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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)
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kwargs = ld_client_mock.invoke.mock_calls[0][-1]
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payload_bytes = kwargs['Payload']
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payload = json.loads(payload_bytes)
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assert payload['identifier'] == identifier
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assert 'message_number' not in payload
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assert payload['message_format'] == 'cap'
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assert payload['message_type'] == 'alert'
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assert payload['headline'] == headline
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assert payload['description'] == description
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assert payload['areas'] == EXAMPLE_AREAS
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assert payload['sent'] == sent
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assert payload['expires'] == expires
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assert payload['language'] == expected_language
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def test_cbc_proxy_ee_cancel_invokes_function(mocker, cbc_proxy_ee):
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identifier = 'my-identifier'
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MockProviderMessage = namedtuple(
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'BroadcastProviderMessage', ['id', 'message_number', 'created_at']
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)
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provider_messages = [
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MockProviderMessage(uuid.uuid4(), '0000007b', datetime(2020, 12, 16)),
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MockProviderMessage(uuid.uuid4(), '0000004e', datetime(2020, 12, 17))
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]
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sent = '2020-12-17 14:19:44.130585'
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ld_client_mock = mocker.patch.object(
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cbc_proxy_ee,
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'_lambda_client',
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create=True,
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)
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ld_client_mock.invoke.return_value = {
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'StatusCode': 200,
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}
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cbc_proxy_ee.cancel_broadcast(
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identifier=identifier,
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message_number='00000050',
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previous_provider_messages=provider_messages,
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sent=sent
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)
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ld_client_mock.invoke.assert_called_once_with(
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FunctionName='bt-ee-1-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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)
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kwargs = ld_client_mock.invoke.mock_calls[0][-1]
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payload_bytes = kwargs['Payload']
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payload = json.loads(payload_bytes)
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assert payload['identifier'] == identifier
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assert 'message_number' not in payload
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assert payload['message_format'] == 'cap'
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assert payload['message_type'] == 'cancel'
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assert payload['references'] == [
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{
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"message_id": str(provider_messages[0].id),
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"sent": provider_messages[0].created_at.strftime(DATETIME_FORMAT)
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},
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{
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"message_id": str(provider_messages[1].id),
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"sent": provider_messages[1].created_at.strftime(DATETIME_FORMAT)
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},
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]
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assert payload['sent'] == sent
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@pytest.mark.parametrize('description, expected_language', (
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('my-description', 'English'),
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('mŷ-description', 'Welsh'),
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))
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def test_cbc_proxy_vodafone_create_and_send_invokes_function(
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mocker,
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cbc_proxy_vodafone,
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description,
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expected_language,
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):
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identifier = 'my-identifier'
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headline = 'my-headline'
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sent = 'a-passed-through-sent-value'
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expires = 'a-passed-through-expires-value'
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ld_client_mock = mocker.patch.object(
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cbc_proxy_vodafone,
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'_lambda_client',
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create=True,
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)
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ld_client_mock.invoke.return_value = {
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'StatusCode': 200,
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}
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cbc_proxy_vodafone.create_and_send_broadcast(
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identifier=identifier,
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message_number='0000007b',
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headline=headline,
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description=description,
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areas=EXAMPLE_AREAS,
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sent=sent, expires=expires,
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)
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ld_client_mock.invoke.assert_called_once_with(
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FunctionName='vodafone-1-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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)
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kwargs = ld_client_mock.invoke.mock_calls[0][-1]
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payload_bytes = kwargs['Payload']
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payload = json.loads(payload_bytes)
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assert payload['identifier'] == identifier
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assert payload['message_number'] == '0000007b'
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assert payload['message_format'] == 'ibag'
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assert payload['message_type'] == 'alert'
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assert payload['headline'] == headline
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assert payload['description'] == description
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assert payload['areas'] == EXAMPLE_AREAS
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assert payload['sent'] == sent
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assert payload['expires'] == expires
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assert payload['language'] == expected_language
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def test_cbc_proxy_vodafone_cancel_invokes_function(mocker, cbc_proxy_vodafone):
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identifier = 'my-identifier'
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MockProviderMessage = namedtuple(
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'BroadcastProviderMessage',
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['id', 'message_number', 'created_at']
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)
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provider_messages = [
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MockProviderMessage(uuid.uuid4(), 78, datetime(2020, 12, 16)),
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MockProviderMessage(uuid.uuid4(), 123, datetime(2020, 12, 17))
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]
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sent = '2020-12-18 14:19:44.130585'
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ld_client_mock = mocker.patch.object(
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cbc_proxy_vodafone,
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'_lambda_client',
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create=True,
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)
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ld_client_mock.invoke.return_value = {
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'StatusCode': 200,
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}
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cbc_proxy_vodafone.cancel_broadcast(
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identifier=identifier,
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message_number='00000050',
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previous_provider_messages=provider_messages,
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sent=sent
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)
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ld_client_mock.invoke.assert_called_once_with(
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FunctionName='vodafone-1-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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)
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kwargs = ld_client_mock.invoke.mock_calls[0][-1]
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payload_bytes = kwargs['Payload']
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payload = json.loads(payload_bytes)
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assert payload['identifier'] == identifier
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assert payload['message_number'] == '00000050'
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assert payload['message_format'] == 'ibag'
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assert payload['message_type'] == 'cancel'
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assert payload['references'] == [
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{
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"message_id": str(provider_messages[0].id),
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"message_number": '0000004e',
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"sent": provider_messages[0].created_at.strftime(DATETIME_FORMAT)
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},
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{
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"message_id": str(provider_messages[1].id),
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"message_number": '0000007b',
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"sent": provider_messages[1].created_at.strftime(DATETIME_FORMAT)
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},
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]
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assert payload['sent'] == sent
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@pytest.mark.parametrize('cbc', ['bt-ee', 'vodafone'])
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def test_cbc_proxy_will_failover_to_second_lambda_if_function_error(
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mocker,
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cbc_proxy_ee,
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cbc_proxy_vodafone,
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cbc
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):
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cbc_proxy = cbc_proxy_ee if cbc == 'bt-ee' else cbc_proxy_vodafone
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ld_client_mock = mocker.patch.object(
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cbc_proxy,
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'_lambda_client',
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create=True,
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)
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ld_client_mock.invoke.side_effect = [
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{
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'StatusCode': 200,
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'FunctionError': 'Handled',
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'Payload': {
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"errorMessage": "",
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"errorType": "CBCNewConnectionError"
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}
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},
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{
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'StatusCode': 200
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}
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]
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cbc_proxy.create_and_send_broadcast(
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identifier='my-identifier',
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message_number='0000007b',
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headline='my-headline',
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description='test-description',
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areas=EXAMPLE_AREAS,
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sent='a-passed-through-sent-value',
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expires='a-passed-through-expires-value',
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)
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assert ld_client_mock.invoke.call_args_list == [
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call(
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FunctionName=f'{cbc}-1-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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),
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call(
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FunctionName=f'{cbc}-2-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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)
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]
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@pytest.mark.parametrize('cbc', ['bt-ee', 'vodafone'])
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def test_cbc_proxy_will_failover_to_second_lambda_if_invoke_error(
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mocker,
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cbc_proxy_ee,
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cbc_proxy_vodafone,
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cbc
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):
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cbc_proxy = cbc_proxy_ee if cbc == 'bt-ee' else cbc_proxy_vodafone
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ld_client_mock = mocker.patch.object(
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cbc_proxy,
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'_lambda_client',
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create=True,
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)
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ld_client_mock.invoke.side_effect = [
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{
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'StatusCode': 400
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},
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{
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'StatusCode': 200
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}
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]
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cbc_proxy.create_and_send_broadcast(
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identifier='my-identifier',
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message_number='0000007b',
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headline='my-headline',
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description='test-description',
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areas=EXAMPLE_AREAS,
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sent='a-passed-through-sent-value',
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expires='a-passed-through-expires-value',
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)
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assert ld_client_mock.invoke.call_args_list == [
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call(
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FunctionName=f'{cbc}-1-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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),
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call(
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FunctionName=f'{cbc}-2-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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)
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]
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@pytest.mark.parametrize('cbc', ['bt-ee', 'vodafone'])
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def test_cbc_proxy_create_and_send_tries_failover_lambda_on_invoke_error_and_raises_if_both_invoke_error(
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mocker, cbc_proxy_ee, cbc_proxy_vodafone, cbc
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):
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cbc_proxy = cbc_proxy_ee if cbc == 'bt-ee' else cbc_proxy_vodafone
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ld_client_mock = mocker.patch.object(
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cbc_proxy,
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'_lambda_client',
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create=True,
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)
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ld_client_mock.invoke.return_value = {
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'StatusCode': 400,
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}
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with pytest.raises(CBCProxyException) as e:
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cbc_proxy.create_and_send_broadcast(
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identifier='my-identifier',
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message_number='0000007b',
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headline='my-headline',
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description='my-description',
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areas=EXAMPLE_AREAS,
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sent='a-passed-through-sent-value',
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expires='a-passed-through-expires-value',
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)
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assert e.match(f'Lambda failed for both {cbc}-1-proxy and {cbc}-2-proxy')
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assert ld_client_mock.invoke.call_args_list == [
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call(
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FunctionName=f'{cbc}-1-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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),
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call(
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FunctionName=f'{cbc}-2-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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)
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]
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@pytest.mark.parametrize('cbc', ['bt-ee', 'vodafone'])
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def test_cbc_proxy_create_and_send_tries_failover_lambda_on_function_error_and_raises_if_both_function_error(
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mocker, cbc_proxy_ee, cbc_proxy_vodafone, cbc
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):
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cbc_proxy = cbc_proxy_ee if cbc == 'bt-ee' else cbc_proxy_vodafone
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ld_client_mock = mocker.patch.object(
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cbc_proxy,
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'_lambda_client',
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create=True,
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)
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ld_client_mock.invoke.return_value = {
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'StatusCode': 200,
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'FunctionError': 'something',
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'Payload': {
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'errorMessage': 'some message',
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'errorType': 'SomeErrorType'
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}
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}
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with pytest.raises(CBCProxyException) as e:
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cbc_proxy.create_and_send_broadcast(
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identifier='my-identifier',
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message_number='0000007b',
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headline='my-headline',
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description='my-description',
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areas=EXAMPLE_AREAS,
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sent='a-passed-through-sent-value',
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expires='a-passed-through-expires-value',
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)
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assert e.match(f'Lambda failed for both {cbc}-1-proxy and {cbc}-2-proxy')
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assert ld_client_mock.invoke.call_args_list == [
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call(
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FunctionName=f'{cbc}-1-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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),
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call(
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FunctionName=f'{cbc}-2-proxy',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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)
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]
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|
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def test_cbc_proxy_send_canary_invokes_function(mocker, cbc_proxy_client):
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identifier = str(uuid.uuid4())
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canary_client = cbc_proxy_client.get_proxy('canary')
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ld_client_mock = mocker.patch.object(
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canary_client,
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'_lambda_client',
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create=True,
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)
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ld_client_mock.invoke.return_value = {
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'StatusCode': 200,
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}
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canary_client.send_canary(
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identifier=identifier,
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)
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ld_client_mock.invoke.assert_called_once_with(
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FunctionName='canary',
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InvocationType='RequestResponse',
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Payload=mocker.ANY,
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)
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kwargs = ld_client_mock.invoke.mock_calls[0][-1]
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payload_bytes = kwargs['Payload']
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payload = json.loads(payload_bytes)
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assert payload['identifier'] == identifier
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def test_cbc_proxy_ee_send_link_test_invokes_function(mocker, cbc_proxy_ee):
|
|
identifier = str(uuid.uuid4())
|
|
|
|
ld_client_mock = mocker.patch.object(
|
|
cbc_proxy_ee,
|
|
'_lambda_client',
|
|
create=True,
|
|
)
|
|
|
|
ld_client_mock.invoke.return_value = {
|
|
'StatusCode': 200,
|
|
}
|
|
|
|
cbc_proxy_ee.send_link_test(
|
|
identifier=identifier,
|
|
sequential_number='0000007b',
|
|
)
|
|
|
|
ld_client_mock.invoke.assert_called_once_with(
|
|
FunctionName='bt-ee-1-proxy',
|
|
InvocationType='RequestResponse',
|
|
Payload=mocker.ANY,
|
|
)
|
|
|
|
kwargs = ld_client_mock.invoke.mock_calls[0][-1]
|
|
payload_bytes = kwargs['Payload']
|
|
payload = json.loads(payload_bytes)
|
|
|
|
assert payload['identifier'] == identifier
|
|
assert payload['message_type'] == 'test'
|
|
assert 'message_number' not in payload
|
|
assert payload['message_format'] == 'cap'
|
|
|
|
|
|
def test_cbc_proxy_vodafone_send_link_test_invokes_function(mocker, cbc_proxy_vodafone):
|
|
identifier = str(uuid.uuid4())
|
|
|
|
ld_client_mock = mocker.patch.object(
|
|
cbc_proxy_vodafone,
|
|
'_lambda_client',
|
|
create=True,
|
|
)
|
|
|
|
ld_client_mock.invoke.return_value = {
|
|
'StatusCode': 200,
|
|
}
|
|
|
|
cbc_proxy_vodafone.send_link_test(
|
|
identifier=identifier,
|
|
sequential_number='0000007b',
|
|
)
|
|
|
|
ld_client_mock.invoke.assert_called_once_with(
|
|
FunctionName='vodafone-1-proxy',
|
|
InvocationType='RequestResponse',
|
|
Payload=mocker.ANY,
|
|
)
|
|
|
|
kwargs = ld_client_mock.invoke.mock_calls[0][-1]
|
|
payload_bytes = kwargs['Payload']
|
|
payload = json.loads(payload_bytes)
|
|
|
|
assert payload['identifier'] == identifier
|
|
assert payload['message_type'] == 'test'
|
|
assert payload['message_number'] == '0000007b'
|
|
assert payload['message_format'] == 'ibag'
|