Files
notifications-api/tests/app/clients/test_cbc_proxy.py
Ben Thorner 08f48379b4 Move ID generation into link test method
Unlike the other IDs which are stored in the DB, this isn't relevant
for the Celery task as it invokes a link test. Moving it into the
proxy client will also enable us to generate a second ID in the next
commits, where we start doing a link test for the failover lambda.
2021-07-19 16:00:55 +01:00

638 lines
18 KiB
Python

import json
import uuid
from collections import namedtuple
from datetime import datetime
from io import BytesIO
from unittest.mock import Mock, call
import pytest
from botocore.exceptions import ClientError as BotoClientError
from app import db
from app.clients.cbc_proxy import (
CBCProxyClient,
CBCProxyEE,
CBCProxyO2,
CBCProxyRetryableException,
CBCProxyThree,
CBCProxyVodafone,
)
from app.utils import DATETIME_FORMAT
EXAMPLE_AREAS = [{
'description': 'london',
'polygon': [
[51.12, -1.2],
[51.12, 1.2],
[51.74, 1.2],
[51.74, -1.2],
[51.12, -1.2],
],
}]
@pytest.fixture(scope='function')
def cbc_proxy_client(client, mocker):
client = CBCProxyClient()
current_app = mocker.Mock(config={
'CBC_PROXY_AWS_ACCESS_KEY_ID': 'cbc-proxy-aws-access-key-id',
'CBC_PROXY_AWS_SECRET_ACCESS_KEY': 'cbc-proxy-aws-secret-access-key',
'CBC_PROXY_ENABLED': True,
})
client.init_app(current_app)
return client
@pytest.fixture
def cbc_proxy_ee(cbc_proxy_client):
return cbc_proxy_client.get_proxy('ee')
@pytest.fixture
def cbc_proxy_vodafone(cbc_proxy_client):
return cbc_proxy_client.get_proxy('vodafone')
@pytest.mark.parametrize('provider_name, expected_provider_class', [
('ee', CBCProxyEE),
('three', CBCProxyThree),
('o2', CBCProxyO2),
('vodafone', CBCProxyVodafone),
])
def test_cbc_proxy_client_returns_correct_client(provider_name, expected_provider_class):
mock_lambda = Mock()
cbc_proxy_client = CBCProxyClient()
cbc_proxy_client._lambda_client = mock_lambda
ret = cbc_proxy_client.get_proxy(provider_name)
assert type(ret) == expected_provider_class
assert ret._lambda_client == mock_lambda
def test_cbc_proxy_lambda_client_has_correct_region(cbc_proxy_ee):
assert cbc_proxy_ee._lambda_client._client_config.region_name == 'eu-west-2'
def test_cbc_proxy_lambda_client_has_correct_keys(cbc_proxy_ee):
key = cbc_proxy_ee._lambda_client._request_signer._credentials.access_key
secret = cbc_proxy_ee._lambda_client._request_signer._credentials.secret_key
assert key == 'cbc-proxy-aws-access-key-id'
assert secret == 'cbc-proxy-aws-secret-access-key'
def test_cbc_proxy_send_link_tests(mocker, cbc_proxy_ee):
mock_send_link_test = mocker.patch.object(cbc_proxy_ee, '_send_link_test')
cbc_proxy_ee.send_link_tests()
mock_send_link_test.assert_any_call(cbc_proxy_ee.lambda_name)
mock_send_link_test.assert_any_call(cbc_proxy_ee.failover_lambda_name)
@pytest.mark.parametrize('description, expected_language', (
('my-description', 'en-GB'),
('mŷ-description', 'cy-GB'),
))
@pytest.mark.parametrize('cbc', ['ee', 'three', 'o2'])
def test_cbc_proxy_one_2_many_create_and_send_invokes_function(
mocker,
cbc_proxy_client,
description,
cbc,
expected_language,
):
cbc_proxy = cbc_proxy_client.get_proxy(cbc)
identifier = 'my-identifier'
headline = 'my-headline'
sent = 'a-passed-through-sent-value'
expires = 'a-passed-through-expires-value'
ld_client_mock = mocker.patch.object(
cbc_proxy,
'_lambda_client',
create=True,
)
ld_client_mock.invoke.return_value = {
'StatusCode': 200,
}
cbc_proxy.create_and_send_broadcast(
identifier=identifier,
message_number='0000007b',
headline=headline,
description=description,
areas=EXAMPLE_AREAS,
sent=sent,
expires=expires,
channel="severe",
)
ld_client_mock.invoke.assert_called_once_with(
FunctionName=f'{cbc}-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 'message_number' not in payload
assert payload['message_format'] == 'cap'
assert payload['message_type'] == 'alert'
assert payload['headline'] == headline
assert payload['description'] == description
assert payload['areas'] == EXAMPLE_AREAS
assert payload['sent'] == sent
assert payload['expires'] == expires
assert payload['language'] == expected_language
assert payload['channel'] == 'severe'
@pytest.mark.parametrize('cbc', ['ee', 'three', 'o2'])
def test_cbc_proxy_one_2_many_cancel_invokes_function(mocker, cbc_proxy_client, cbc):
cbc_proxy = cbc_proxy_client.get_proxy(cbc)
identifier = 'my-identifier'
MockProviderMessage = namedtuple(
'BroadcastProviderMessage', ['id', 'message_number', 'created_at']
)
provider_messages = [
MockProviderMessage(uuid.uuid4(), '0000007b', datetime(2020, 12, 16)),
MockProviderMessage(uuid.uuid4(), '0000004e', datetime(2020, 12, 17))
]
sent = '2020-12-17 14:19:44.130585'
ld_client_mock = mocker.patch.object(
cbc_proxy,
'_lambda_client',
create=True,
)
ld_client_mock.invoke.return_value = {
'StatusCode': 200,
}
cbc_proxy.cancel_broadcast(
identifier=identifier,
message_number='00000050',
previous_provider_messages=provider_messages,
sent=sent
)
ld_client_mock.invoke.assert_called_once_with(
FunctionName=f'{cbc}-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 'message_number' not in payload
assert payload['message_format'] == 'cap'
assert payload['message_type'] == 'cancel'
assert payload['references'] == [
{
"message_id": str(provider_messages[0].id),
"sent": provider_messages[0].created_at.strftime(DATETIME_FORMAT)
},
{
"message_id": str(provider_messages[1].id),
"sent": provider_messages[1].created_at.strftime(DATETIME_FORMAT)
},
]
assert payload['sent'] == sent
@pytest.mark.parametrize('description, expected_language', (
('my-description', 'English'),
('mŷ-description', 'Welsh'),
))
def test_cbc_proxy_vodafone_create_and_send_invokes_function(
mocker,
cbc_proxy_vodafone,
description,
expected_language,
):
identifier = 'my-identifier'
headline = 'my-headline'
sent = 'a-passed-through-sent-value'
expires = 'a-passed-through-expires-value'
ld_client_mock = mocker.patch.object(
cbc_proxy_vodafone,
'_lambda_client',
create=True,
)
ld_client_mock.invoke.return_value = {
'StatusCode': 200,
}
cbc_proxy_vodafone.create_and_send_broadcast(
identifier=identifier,
message_number='0000007b',
headline=headline,
description=description,
areas=EXAMPLE_AREAS,
sent=sent,
expires=expires,
channel="test",
)
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_number'] == '0000007b'
assert payload['message_format'] == 'ibag'
assert payload['message_type'] == 'alert'
assert payload['headline'] == headline
assert payload['description'] == description
assert payload['areas'] == EXAMPLE_AREAS
assert payload['sent'] == sent
assert payload['expires'] == expires
assert payload['language'] == expected_language
assert payload['channel'] == 'test'
def test_cbc_proxy_vodafone_cancel_invokes_function(mocker, cbc_proxy_vodafone):
identifier = 'my-identifier'
MockProviderMessage = namedtuple(
'BroadcastProviderMessage',
['id', 'message_number', 'created_at']
)
provider_messages = [
MockProviderMessage(uuid.uuid4(), 78, datetime(2020, 12, 16)),
MockProviderMessage(uuid.uuid4(), 123, datetime(2020, 12, 17))
]
sent = '2020-12-18 14:19:44.130585'
ld_client_mock = mocker.patch.object(
cbc_proxy_vodafone,
'_lambda_client',
create=True,
)
ld_client_mock.invoke.return_value = {
'StatusCode': 200,
}
cbc_proxy_vodafone.cancel_broadcast(
identifier=identifier,
message_number='00000050',
previous_provider_messages=provider_messages,
sent=sent
)
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_number'] == '00000050'
assert payload['message_format'] == 'ibag'
assert payload['message_type'] == 'cancel'
assert payload['references'] == [
{
"message_id": str(provider_messages[0].id),
"message_number": '0000004e',
"sent": provider_messages[0].created_at.strftime(DATETIME_FORMAT)
},
{
"message_id": str(provider_messages[1].id),
"message_number": '0000007b',
"sent": provider_messages[1].created_at.strftime(DATETIME_FORMAT)
},
]
assert payload['sent'] == sent
@pytest.mark.parametrize('cbc', ['ee', 'vodafone', 'three', 'o2'])
def test_cbc_proxy_will_failover_to_second_lambda_if_boto_client_error(
mocker,
cbc_proxy_client,
cbc
):
cbc_proxy = cbc_proxy_client.get_proxy(cbc)
ld_client_mock = mocker.patch.object(
cbc_proxy,
'_lambda_client',
create=True,
)
ld_client_mock.invoke.side_effect = BotoClientError({}, 'error')
with pytest.raises(CBCProxyRetryableException) as e:
cbc_proxy.create_and_send_broadcast(
identifier='my-identifier',
message_number='0000007b',
headline='my-headline',
description='test-description',
areas=EXAMPLE_AREAS,
sent='a-passed-through-sent-value',
expires='a-passed-through-expires-value',
channel="severe",
)
assert e.match(f'Lambda failed for both {cbc}-1-proxy and {cbc}-2-proxy')
assert ld_client_mock.invoke.call_args_list == [
call(
FunctionName=f'{cbc}-1-proxy',
InvocationType='RequestResponse',
Payload=mocker.ANY,
),
call(
FunctionName=f'{cbc}-2-proxy',
InvocationType='RequestResponse',
Payload=mocker.ANY,
)
]
@pytest.mark.parametrize('cbc', ['ee', 'vodafone', 'three', 'o2'])
def test_cbc_proxy_will_failover_to_second_lambda_if_function_error(
mocker,
cbc_proxy_client,
cbc
):
cbc_proxy = cbc_proxy_client.get_proxy(cbc)
ld_client_mock = mocker.patch.object(
cbc_proxy,
'_lambda_client',
create=True,
)
ld_client_mock.invoke.side_effect = [
{
'StatusCode': 200,
'FunctionError': 'Handled',
'Payload': BytesIO(json.dumps({"errorMessage": "", "errorType": "CBCNewConnectionError"}).encode('utf-8')),
},
{
'StatusCode': 200
}
]
cbc_proxy.create_and_send_broadcast(
identifier='my-identifier',
message_number='0000007b',
headline='my-headline',
description='test-description',
areas=EXAMPLE_AREAS,
sent='a-passed-through-sent-value',
expires='a-passed-through-expires-value',
channel="severe",
)
assert ld_client_mock.invoke.call_args_list == [
call(
FunctionName=f'{cbc}-1-proxy',
InvocationType='RequestResponse',
Payload=mocker.ANY,
),
call(
FunctionName=f'{cbc}-2-proxy',
InvocationType='RequestResponse',
Payload=mocker.ANY,
)
]
@pytest.mark.parametrize('cbc', ['ee', 'vodafone', 'three', 'o2'])
def test_cbc_proxy_will_failover_to_second_lambda_if_invoke_error(
mocker,
cbc_proxy_client,
cbc
):
cbc_proxy = cbc_proxy_client.get_proxy(cbc)
ld_client_mock = mocker.patch.object(
cbc_proxy,
'_lambda_client',
create=True,
)
ld_client_mock.invoke.side_effect = [
{
'StatusCode': 400
},
{
'StatusCode': 200
}
]
cbc_proxy.create_and_send_broadcast(
identifier='my-identifier',
message_number='0000007b',
headline='my-headline',
description='test-description',
areas=EXAMPLE_AREAS,
sent='a-passed-through-sent-value',
expires='a-passed-through-expires-value',
channel="test",
)
assert ld_client_mock.invoke.call_args_list == [
call(
FunctionName=f'{cbc}-1-proxy',
InvocationType='RequestResponse',
Payload=mocker.ANY,
),
call(
FunctionName=f'{cbc}-2-proxy',
InvocationType='RequestResponse',
Payload=mocker.ANY,
)
]
@pytest.mark.parametrize('cbc', ['ee', 'vodafone', 'three', 'o2'])
def test_cbc_proxy_create_and_send_tries_failover_lambda_on_invoke_error_and_raises_if_both_invoke_error(
mocker, cbc_proxy_client, cbc
):
cbc_proxy = cbc_proxy_client.get_proxy(cbc)
ld_client_mock = mocker.patch.object(
cbc_proxy,
'_lambda_client',
create=True,
)
ld_client_mock.invoke.return_value = {
'StatusCode': 400,
}
with pytest.raises(CBCProxyRetryableException) as e:
cbc_proxy.create_and_send_broadcast(
identifier='my-identifier',
message_number='0000007b',
headline='my-headline',
description='my-description',
areas=EXAMPLE_AREAS,
sent='a-passed-through-sent-value',
expires='a-passed-through-expires-value',
channel="test",
)
assert e.match(f'Lambda failed for both {cbc}-1-proxy and {cbc}-2-proxy')
assert ld_client_mock.invoke.call_args_list == [
call(
FunctionName=f'{cbc}-1-proxy',
InvocationType='RequestResponse',
Payload=mocker.ANY,
),
call(
FunctionName=f'{cbc}-2-proxy',
InvocationType='RequestResponse',
Payload=mocker.ANY,
)
]
@pytest.mark.parametrize('cbc', ['ee', 'vodafone', 'three', 'o2'])
def test_cbc_proxy_create_and_send_tries_failover_lambda_on_function_error_and_raises_if_both_function_error(
mocker, cbc_proxy_client, cbc
):
cbc_proxy = cbc_proxy_client.get_proxy(cbc)
ld_client_mock = mocker.patch.object(
cbc_proxy,
'_lambda_client',
create=True,
)
ld_client_mock.invoke.return_value = {
'StatusCode': 200,
'FunctionError': 'something',
'Payload': BytesIO(json.dumps({"errorMessage": "some message", "errorType": "SomeErrorType"}).encode('utf-8')),
}
with pytest.raises(CBCProxyRetryableException) as e:
cbc_proxy.create_and_send_broadcast(
identifier='my-identifier',
message_number='0000007b',
headline='my-headline',
description='my-description',
areas=EXAMPLE_AREAS,
sent='a-passed-through-sent-value',
expires='a-passed-through-expires-value',
channel="severe",
)
assert e.match(f'Lambda failed for both {cbc}-1-proxy and {cbc}-2-proxy')
assert ld_client_mock.invoke.call_args_list == [
call(
FunctionName=f'{cbc}-1-proxy',
InvocationType='RequestResponse',
Payload=mocker.ANY,
),
call(
FunctionName=f'{cbc}-2-proxy',
InvocationType='RequestResponse',
Payload=mocker.ANY,
)
]
@pytest.mark.parametrize('cbc', ['ee', 'three', 'o2'])
def test_cbc_proxy_one_2_many_send_link_test_invokes_function(mocker, cbc_proxy_client, cbc):
cbc_proxy = cbc_proxy_client.get_proxy(cbc)
mocker.patch('app.clients.cbc_proxy.uuid.uuid4', return_value=123)
ld_client_mock = mocker.patch.object(
cbc_proxy,
'_lambda_client',
create=True,
)
ld_client_mock.invoke.return_value = {
'StatusCode': 200,
}
cbc_proxy._send_link_test(
lambda_name=f'{cbc}-1-proxy'
)
ld_client_mock.invoke.assert_called_once_with(
FunctionName=f'{cbc}-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'] == '123'
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):
mocker.patch('app.clients.cbc_proxy.uuid.uuid4', return_value=123)
db.session.connection().execute(
'ALTER SEQUENCE broadcast_provider_message_number_seq RESTART WITH 1'
)
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(
lambda_name='vodafone-1-proxy'
)
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'] == '123'
assert payload['message_type'] == 'test'
assert payload['message_number'] == '00000001'
assert payload['message_format'] == 'ibag'