deb-python-fuelclient/fuelclient/tests/unit/common/test_utils.py

332 lines
11 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright 2014 Mirantis, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import json
import os
import six
import subprocess
import yaml
import mock
import requests
from fuelclient.cli import error
from fuelclient import client
from fuelclient.common import data_utils
from fuelclient.tests.unit.v1 import base
from fuelclient import utils
class TestUtils(base.UnitTestCase):
@mock.patch('fuelclient.utils.os.walk')
def test_iterfiles(self, mwalk):
mwalk.return_value = [
('/some_directory/', [], ['valid.yaml', 'invalid.yml'])]
pattern = '*.yaml'
directory = '/some_directory'
expected_result = [os.path.join(directory, 'valid.yaml')]
files = list(utils.iterfiles(directory, pattern))
mwalk.assert_called_once_with(directory, followlinks=True)
self.assertEqual(expected_result, files)
def make_process_mock(self, return_code=0):
process_mock = mock.Mock()
process_mock.stdout = ['Stdout line 1', 'Stdout line 2']
process_mock.returncode = return_code
return process_mock
def test_exec_cmd(self):
cmd = 'some command'
process_mock = self.make_process_mock()
with mock.patch.object(
subprocess, 'Popen', return_value=process_mock) as popen_mock:
utils.exec_cmd(cmd)
popen_mock.assert_called_once_with(
cmd,
stdout=None,
stderr=subprocess.STDOUT,
shell=True,
cwd=None)
def test_exec_cmd_raises_error(self):
cmd = 'some command'
return_code = 1
process_mock = self.make_process_mock(return_code=return_code)
with mock.patch.object(
subprocess, 'Popen', return_value=process_mock) as popen_mock:
self.assertRaisesRegexp(
error.ExecutedErrorNonZeroExitCode,
'Shell command executed with "{0}" '
'exit code: {1} '.format(return_code, cmd),
utils.exec_cmd, cmd)
popen_mock.assert_called_once_with(
cmd,
stdout=None,
stderr=subprocess.STDOUT,
shell=True,
cwd=None)
def test_exec_cmd_iterator(self):
cmd = 'some command'
process_mock = self.make_process_mock()
with mock.patch.object(
subprocess, 'Popen', return_value=process_mock) as popen_mock:
for line in utils.exec_cmd_iterator(cmd):
self.assertTrue(line.startswith('Stdout line '))
popen_mock.assert_called_once_with(
cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=True)
def test_exec_cmd_iterator_raises_error(self):
cmd = 'some command'
return_code = 1
process_mock = self.make_process_mock(return_code=return_code)
with mock.patch.object(subprocess, 'Popen', return_value=process_mock):
with self.assertRaisesRegexp(
error.ExecutedErrorNonZeroExitCode,
'Shell command executed with "{0}" '
'exit code: {1} '.format(return_code, cmd)):
for line in utils.exec_cmd_iterator(cmd):
self.assertTrue(line.startswith('Stdout line '))
def test_parse_yaml_file(self):
mock_open = self.mock_open("key: value")
with mock.patch('fuelclient.utils.io.open', mock_open):
self.assertEqual(
utils.parse_yaml_file('some_file_name'),
{'key': 'value'})
@mock.patch('fuelclient.utils.glob.iglob',
return_value=['file1', 'file2'])
@mock.patch('fuelclient.utils.parse_yaml_file',
side_effect=['content_file1', 'content_file2'])
def test_glob_and_parse_yaml(self, parse_mock, iglob_mock):
path = '/tmp/path/mask*'
content = []
for data in utils.glob_and_parse_yaml(path):
content.append(data)
iglob_mock.assert_called_once_with(path)
self.assertEqual(
parse_mock.call_args_list,
[mock.call('file1'),
mock.call('file2')])
self.assertEqual(content, ['content_file1', 'content_file2'])
def test_major_plugin_version(self):
pairs = [
['1.2.3', '1.2'],
['123456789.123456789.12121', '123456789.123456789'],
['1.2', '1.2']]
for arg, expected in pairs:
self.assertEqual(
utils.major_plugin_version(arg),
expected)
@mock.patch('fuelclient.utils.os.path.lexists', side_effect=[True, False])
def test_file_exists(self, lexists_mock):
self.assertTrue(utils.file_exists('file1'))
self.assertFalse(utils.file_exists('file2'))
self.assertEqual(
lexists_mock.call_args_list,
[mock.call('file1'), mock.call('file2')])
def test_get_error_body_get_from_json(self):
error_body = 'This is error body'
body_json = json.dumps({
'message': error_body
})
if isinstance(body_json, six.text_type):
body_json = body_json.encode('utf-8')
resp = requests.Response()
resp._content = body_json
exception = requests.HTTPError()
exception.response = resp
self.assertEqual(error.get_error_body(exception), error_body)
def test_get_error_body_get_from_plaintext(self):
error_body = b'This is error body'
resp = requests.Response()
resp._content = error_body
exception = requests.HTTPError()
exception.response = resp
self.assertEqual(error.get_error_body(exception),
error_body.decode('utf-8'))
def test_get_display_data_single(self):
test_data = {'a': 1, 'b': [], 'c': [1, 2, 3], 'd': 4}
fields = ('a', 'b', 'c')
result = data_utils.get_display_data_single(fields, test_data)
self.assertEqual([1, [], [1, 2, 3]], result)
def test_get_display_data_bad_key(self):
test_data = {'a': 1, 'b': 2, 'c': 3}
fields = ('b', 'bad_key')
self.assertEqual(
[2, None],
data_utils.get_display_data_single(fields, test_data)
)
def test_get_display_data_multi(self):
test_data = [{'a': 1, 'b': 2, 'c': 3}, {'b': 8, 'c': 9}]
fields = ('b', 'c')
result = data_utils.get_display_data_multi(fields, test_data)
self.assertEqual([[2, 3], [8, 9]], result)
@mock.patch('sys.getfilesystemencoding', return_value='utf-8')
def test_str_to_unicode(self, _):
test_data = 'тест'
expected_data = test_data if six.PY3 else u'тест'
result = utils.str_to_unicode(test_data)
self.assertIsInstance(result, six.text_type)
self.assertEqual(result, expected_data)
@mock.patch('fuelclient.utils.sys')
def test_latin_str_to_unicode(self, sys_mock):
sys_mock.getfilesystemencoding.return_value = 'iso-8859-16'
test_data = 'czegoś' if six.PY3 else u'czegoś'.encode('iso-8859-16')
expected_data = test_data if six.PY3 else u'czegoś'
result = utils.str_to_unicode(test_data)
self.assertIsInstance(result, six.text_type)
self.assertEqual(result, expected_data)
def test_HTTP_error_message(self):
text = 'message text'
self.m_request.post('/api/v1/address',
json={'message': text},
status_code=403)
with self.assertRaisesRegexp(error.HTTPError,
'403.*{}'.format(text)):
client.DefaultAPIClient.post_request('address')
def test_parse_to_list_of_dicts(self):
items = utils.parse_to_list_of_dicts([{"id": 1}])
self.assertEqual(items, [{"id": 1}])
items = utils.parse_to_list_of_dicts([{"id": 2}, {"id": 3}])
self.assertEqual(items, [{"id": 2}, {"id": 3}])
items = utils.parse_to_list_of_dicts([[{"id": 4}]])
self.assertEqual(items, [{"id": 4}])
items = utils.parse_to_list_of_dicts(
[[{"id": 5}, {"id": 6}], {"id": 7}])
self.assertEqual(items, [{"id": 5}, {"id": 6}, {"id": 7}])
self.assertRaisesRegexp(
TypeError, 'A dict or list instance expected',
utils.parse_to_list_of_dicts, [42])
def test_safe_load_json(self):
test_data = {'test_key': 'test_val'}
m_open = mock.mock_open(read_data=json.dumps(test_data))
with mock.patch('fuelclient.tests.unit.common.test_utils.open',
m_open):
stream = open('/a/random/file', 'r')
loaded = data_utils.safe_load('json', stream)
self.assertEqual(test_data, loaded)
def test_safe_load_yaml(self):
test_data = {'test_key': 'test_val'}
m_open = mock.mock_open(read_data=yaml.dump(test_data))
with mock.patch('fuelclient.tests.unit.common.test_utils.open',
m_open):
stream = open('/a/random/file', 'r')
loaded = data_utils.safe_load('yaml', stream)
self.assertEqual(test_data, loaded)
@mock.patch('json.dump')
def test_safe_dump_json(self, m_dump):
test_data = {'test_key': 'test_val'}
m_open = mock.mock_open()
with mock.patch('fuelclient.tests.unit.common.test_utils.open',
m_open):
stream = open('/a/random/file', 'w')
data_utils.safe_dump('json', stream, test_data)
m_dump.assert_called_once_with(test_data, stream, indent=4)
@mock.patch('yaml.safe_dump')
def test_safe_dump_yaml(self, m_dump):
test_data = {'test_key': 'test_val'}
m_open = mock.mock_open()
with mock.patch('fuelclient.tests.unit.common.test_utils.open',
m_open):
stream = open('/a/random/file', 'w')
data_utils.safe_dump('yaml', stream, test_data)
m_dump.assert_called_once_with(test_data,
stream,
default_flow_style=False)
def test_safe_dump_wrong_format(self):
test_data = {'test_key': 'test_val'}
m_open = mock.mock_open()
with mock.patch('fuelclient.tests.unit.common.test_utils.open',
m_open):
stream = open('/a/random/file', 'w')
self.assertRaises(ValueError,
data_utils.safe_dump,
'bad', stream, test_data)
def test_safe_load_wrong_format(self):
m_open = mock.mock_open()
with mock.patch('fuelclient.tests.unit.common.test_utils.open',
m_open):
stream = open('/a/random/file', 'w')
self.assertRaises(ValueError,
data_utils.safe_load,
'bad', stream)