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# Copyright 2013: Mirantis Inc.
# All Rights Reserved.
#
# 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 io
import os
from unittest import mock
from rally.cli import envutils
from rally import exceptions
from tests.unit import test
class EnvUtilsTestCase(test.TestCase):
@mock.patch("os.path.exists", return_value=True)
@mock.patch.dict("os.environ", values={}, clear=True)
def test_load_env_vile(self, mock_exists):
file_data = "FAKE_ENV=fake_env\n"
with mock.patch("rally.cli.envutils.open", mock.mock_open(
read_data=file_data), create=True) as mock_file:
envutils._load_env_file("path_to_file")
self.assertIn("FAKE_ENV", os.environ)
mock_file.return_value.readlines.assert_called_once_with()
@mock.patch("os.path.exists", return_value=True)
def test_update_env_file(self, mock_exists):
file_data = "FAKE_ENV=old_value\nFAKE_ENV2=any\n"
with mock.patch("rally.cli.envutils.open", mock.mock_open(
read_data=file_data), create=True) as mock_file:
envutils._update_env_file("path_to_file", "FAKE_ENV", "new_value")
calls = [mock.call("FAKE_ENV2=any\n"), mock.call(
"FAKE_ENV=new_value")]
mock_file.return_value.readlines.assert_called_once_with()
mock_file.return_value.write.assert_has_calls(calls)
def test_default_from_global(self):
@envutils.default_from_global("test_arg_name",
"test_env_name",
"test_missing_arg")
def test_function(test_arg_name=None):
pass
with mock.patch("sys.stdout",
new_callable=io.StringIO) as mock_stdout:
test_function()
self.assertEqual("Missing argument: --test_missing_arg\n",
mock_stdout.getvalue())
@mock.patch.dict(os.environ,
values={envutils.ENV_DEPLOYMENT: "my_deployment_id"},
clear=True)
def test_get_deployment_id_in_env(self):
deployment_id = envutils.get_global(envutils.ENV_DEPLOYMENT)
self.assertEqual("my_deployment_id", deployment_id)
@mock.patch.dict(os.environ, values={}, clear=True)
@mock.patch("rally.cli.envutils._load_env_file")
def test_get_deployment_id_with_exception(self, mock__load_env_file):
self.assertRaises(exceptions.InvalidArgumentsException,
envutils.get_global, envutils.ENV_DEPLOYMENT, True)
mock__load_env_file.assert_called_once_with(os.path.expanduser(
"~/.rally/globals"))
@mock.patch.dict(os.environ, values={}, clear=True)
@mock.patch("rally.cli.envutils._load_env_file")
def test_get_deployment_id_with_none(self, mock__load_env_file):
self.assertIsNone(envutils.get_global(envutils.ENV_DEPLOYMENT))
mock__load_env_file.assert_called_once_with(os.path.expanduser(
"~/.rally/globals"))
@mock.patch.dict(os.environ, values={envutils.ENV_TASK: "my_task_id"},
clear=True)
def test_get_task_id_in_env(self):
self.assertEqual("my_task_id", envutils.get_global(envutils.ENV_TASK))
@mock.patch.dict(os.environ, values={}, clear=True)
@mock.patch("rally.cli.envutils._load_env_file")
def test_get_task_id_with_exception(self, mock__load_env_file):
self.assertRaises(exceptions.InvalidArgumentsException,
envutils.get_global, envutils.ENV_TASK, True)
mock__load_env_file.assert_called_once_with(os.path.expanduser(
"~/.rally/globals"))
@mock.patch.dict(os.environ, values={}, clear=True)
@mock.patch("rally.cli.envutils._load_env_file")
def test_get_task_id_with_none(self, mock__load_env_file):
self.assertIsNone(envutils.get_global("RALLY_TASK"))
mock__load_env_file.assert_called_once_with(os.path.expanduser(
"~/.rally/globals"))
@mock.patch.dict(os.environ,
values={envutils.ENV_DEPLOYMENT: "test_deployment_id"},
clear=True)
@mock.patch("os.path.exists")
@mock.patch("rally.cli.envutils._update_env_file",
return_value=True)
def test_clear_global(self, mock__update_env_file, mock_path_exists):
envutils.clear_global(envutils.ENV_DEPLOYMENT)
mock__update_env_file.assert_called_once_with(os.path.expanduser(
"~/.rally/globals"), envutils.ENV_DEPLOYMENT, "\n")
self.assertEqual({}, os.environ)
@mock.patch.dict(os.environ,
values={envutils.ENV_DEPLOYMENT: "test_deployment_id",
envutils.ENV_TASK: "test_task_id"},
clear=True)
@mock.patch("os.path.exists")
@mock.patch("rally.cli.envutils._update_env_file",
return_value=True)
def test_clear_env(self, mock__update_env_file, mock_path_exists):
envutils.clear_env()
self.assertEqual({}, os.environ)
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