Files
notifications-api/tests/app/clients/test_cbc_proxy.py
Ben Thorner b6774bf0f7 Generate Vodafone link test sequence nos in proxy
Previously the Celery task to trigger a link test had to know about
the special case of a sequence number for Vodafone. Since we're about
to change the client to perform multiple tests it makes sense to give
it the knowledge of how to generate number itself.

Note that we have to import the db inline to avoid a circular import,
since this module is itself imported by app/__init__.py.

Other invocations of the Vodafone client use stored sequence numbers
from the DB, which are called "message numbers" in that context. Since
the two use cases are very different (even the names are different!),
having them in two places shouldn't cause any confusion.
2021-07-19 15:43:36 +01:00

630 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'
@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)
identifier = str(uuid.uuid4())
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(
identifier=identifier,
)
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 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())
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(
identifier=identifier,
)
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'] == '00000001'
assert payload['message_format'] == 'ibag'