def test_delete_no_stack(config):
attrs = {'describe_stacks.side_effect': STACK_DOES_NOT_EXIST}
mock = MagicMock(**attrs)
runner = Runner(mock, config)
with pytest.raises(ValidationError, match='Stack TestStack not found'):
runner.delete()
def test_delete_client_error(client, config):
client.configure_mock(
**{'delete_stack.side_effect': ClientError({}, 'delete_stack')})
runner = Runner(client, config)
with pytest.raises(
StackError,
match=
'An error occurred \\(Unknown\\) when calling the delete_stack operation.*'
):
runner.delete()
def test_delete(client, config, capsys):
runner = Runner(client, config)
runner.delete()
assert runner.stack is None
client.describe_stack_events.assert_called_once_with(StackName='TestStack')
client.delete_stack.assert_called_once_with(StackName='TestStack',
RetainResources=[])
client.get_waiter.assert_called_once_with('stack_delete_complete')
client.get_waiter().wait.assert_called_once_with(StackName='TestStack',
WaiterConfig={
'Delay': 10,
'MaxAttempts': 360
})
def test_delete_invalid_status(client, config):
describe_stacks = {
'Stacks': [{
'StackName': 'TestStack',
'StackStatus': StackStatus.UPDATE_IN_PROGRESS.name,
'CreationTime': '2019-12-31T18:30:11.12345+0000'
}]
}
client.configure_mock(**{'describe_stacks.return_value': describe_stacks})
runner = Runner(client, config)
with pytest.raises(
ValidationError,
match=
'Stack TestStack is not in a deletable status: UPDATE_IN_PROGRESS'
):
runner.delete()
def test_delete_waiter_error(client, config, capsys, monkeypatch):
# Prevent differences in format depending upon where this runs
monkeypatch.setenv('STACKMANAGER_TIMEZONE', 'UTC')
# Configure waiter
waiter_error = WaiterError('stack_delete_complete', 'Delete Failed', {
'Status': 'FAILED',
'StatusReason': 'Delete failed'
})
waiter_mock = MagicMock(**{'wait.side_effect': waiter_error})
# Override Stack events
stack_events = {
'StackEvents': [{
'Timestamp':
datetime(2020, 1, 1, 13, 35, 11, 0, tzinfo=timezone.utc),
'LogicalResourceId':
'Topic',
'ResourceType':
'AWS::SNS::Topic',
'ResourceStatus':
'DELETE_FAILED',
'ResourceStatusReason':
'Something went wrong'
}, {
'Timestamp':
datetime(2020, 1, 1, 12, 0, 0, 0, tzinfo=timezone.utc),
'LogicalResourceId':
'TestStack',
'ResourceType':
'AWS::CloudFormation::Stack',
'ResourceStatus':
'CREATE_COMPLETE'
}, {
'Timestamp':
datetime(2020, 1, 1, 11, 58, 20, 12436, tzinfo=timezone.utc),
'LogicalResourceId':
'Topic',
'ResourceType':
'AWS::SNS::Topic',
'ResourceStatus':
'CREATE_COMPLETE'
}]
}
paginator_mock = MagicMock(**{'paginate.return_value': [stack_events]})
client.configure_mock(
**{
'get_waiter.return_value': waiter_mock,
'get_paginator.return_value': paginator_mock
})
runner = Runner(client, config)
with pytest.raises(
StackError,
match='Waiter stack_delete_complete failed: Delete Failed'):
runner.delete()
captured = capsys.readouterr()
assert 'Deletion of Stack TestStack failed:' in captured.err
assert '2020-01-01 13:35:11 Topic AWS::SNS::Topic DELETE_FAILED Something went wrong' \
in captured.out