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#!/usr/bin/env python
#
# Copyright (c) 2018 All rights reserved
# This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
"""Define the classes required to fully cover k8s."""
import logging
import os
import unittest
import mock
from xtesting.core import testcase
from functest_kubernetes import k8stest
class K8sTests(unittest.TestCase):
# pylint: disable=missing-docstring
def setUp(self):
os.environ["DEPLOY_SCENARIO"] = "k8-test"
os.environ["KUBE_MASTER_IP"] = "127.0.0.1"
os.environ["KUBE_MASTER_URL"] = "https://127.0.0.1:6443"
os.environ["KUBERNETES_PROVIDER"] = "local"
self.k8stesting = k8stest.K8sTesting()
def _test_no_env_var(self, var):
del os.environ[var]
with self.assertRaises(Exception):
k8stest.K8sTesting().check_envs()
def test_no_deploy_scenario(self):
self._test_no_env_var("DEPLOY_SCENARIO")
def test_no_kube_master_ip(self):
self._test_no_env_var("KUBE_MASTER_IP")
def test_no_kube_master_url(self):
self._test_no_env_var("KUBE_MASTER_URL")
def test_no_kubernetes_provider(self):
self._test_no_env_var("KUBERNETES_PROVIDER")
@mock.patch('functest_kubernetes.k8stest.os.path.isfile',
return_value=False)
def test_run_missing_config_file(self, mock_func):
self.k8stesting.config = 'not_file'
with mock.patch.object(self.k8stesting,
'_K8sTesting__logger') as mock_logger:
self.assertEquals(self.k8stesting.run(),
testcase.TestCase.EX_RUN_ERROR)
mock_logger.error.assert_called_with(
"Cannot run k8s testcases. Config file not found")
mock_func.assert_called_with('not_file')
def test_run_kubetest_cmd_none(self):
self.k8stesting.cmd = None
with self.assertRaises(TypeError):
self.k8stesting.run_kubetest()
@mock.patch('functest_kubernetes.k8stest.os.path.isfile')
def test_error_logging(self, mock_isfile):
# pylint: disable=unused-argument
with mock.patch('functest_kubernetes.k8stest.'
'subprocess.Popen') as mock_popen, \
mock.patch.object(self.k8stesting,
'_K8sTesting__logger') as mock_logger:
mock_stdout = mock.Mock()
attrs = {'stdout.read.return_value': 'Error loading client'}
mock_stdout.configure_mock(**attrs)
mock_popen.return_value = mock_stdout
self.k8stesting.run_kubetest()
mock_logger.error.assert_called_with("Error loading client")
@mock.patch('functest_kubernetes.k8stest.os.path.isfile')
@mock.patch('functest_kubernetes.k8stest.subprocess.Popen')
def test_run(self, mock_open, mock_isfile):
self.assertEquals(self.k8stesting.run(),
testcase.TestCase.EX_OK)
mock_isfile.assert_called()
mock_open.assert_called()
if __name__ == "__main__":
logging.disable(logging.CRITICAL)
unittest.main(verbosity=2)
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