from unittest import mock

import kubernetes.client.api.core_v1_api
import pytest

import urllib3.response
from kubernetes.client import ApiException
from kubernetes.client.rest import RESTResponse
from kube import KubernetesService

# fmt: off
_result_deleted = {'api_version': 'v1', 'code': None, 'details': None, 'kind': 'Namespace', 'message': None, 'metadata': {'_continue': None, 'remaining_item_count': None, 'resource_version': '4424', 'self_link': '/api/v1/namespaces/mydep3',}, 'reason': None, 'status': "{'phase': 'Terminating'}",}
_result_not_found = ApiException(status=404, http_resp=RESTResponse(urllib3.response.HTTPResponse(body=b'{"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"namespaces \\"mydep3\\" not found","reason":"NotFound","details":{"name":"mydep3","kind":"namespaces"},"code":404}')))
# fmt: on


@pytest.fixture()
def mock_k8s():
    yield mock.MagicMock(autospec=kubernetes.client.api.core_v1_api.CoreV1Api)


def test_delete_forbidden_namespace(mock_k8s):
    service = KubernetesService(mock_k8s)

    with pytest.raises(AssertionError):
        service.delete_namespace('default')


def test_delete_namespace(mock_k8s):
    mock_k8s.delete_namespace.return_value = _result_deleted
    service = KubernetesService(mock_k8s)

    service.delete_namespace('app-uuid')

    mock_k8s.delete_namespace.assert_called_once_with('app-uuid')


def test_deleting_nonexistent_namespace_is_ok(mock_k8s):
    mock_k8s.delete_namespace.side_effect = _result_not_found
    service = KubernetesService(mock_k8s)

    with mock.patch('logging.Logger.error') as m_log:
        service.delete_namespace('app-uuid')

    m_log.assert_called()


def test_any_other_error_bubbles_up(mock_k8s):
    mock_k8s.delete_namespace.side_effect = ApiException(status=500, http_resp=urllib3.response.HTTPResponse(body=b''))

    service = KubernetesService(mock_k8s)

    with pytest.raises(ApiException):
        service.delete_namespace('app-uuid')