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# 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 os
import random
from unittest import mock
import ddt
import fixtures
from stestr import config_file
from stestr.tests import base
@ddt.ddt
class TestTestrConf(base.TestCase):
@mock.patch.object(config_file.configparser, "ConfigParser")
def setUp(self, mock_ConfigParser):
super().setUp()
self._testr_conf = config_file.TestrConf(mock.sentinel.config_file)
@mock.patch.object(config_file.util, "get_repo_open")
@mock.patch.object(config_file.test_processor, "TestProcessorFixture")
@mock.patch.object(config_file, "sys")
@mock.patch("os.path.exists", new=lambda x: True)
def _check_get_run_command(
self,
mock_sys,
mock_TestProcessorFixture,
mock_get_repo_open,
platform="win32",
group_regex=".*",
parallel_class=False,
sys_executable="/usr/bin/python",
expected_python="/usr/bin/python",
expected_group_callback=mock.ANY,
environment=None,
):
mock_sys.platform = platform
mock_sys.executable = sys_executable
if environment is None:
environment = {"PYTHON": ""}
with mock.patch.dict("os.environ", environment):
fixture = self._testr_conf.get_run_command(
test_path="fake_test_path",
top_dir="fake_top_dir",
group_regex=group_regex,
parallel_class=parallel_class,
)
self.assertEqual(mock_TestProcessorFixture.return_value, fixture)
mock_get_repo_open.assert_called_once_with(repo_url=None)
command = (
'"%s" -m stestr.subunit_runner.run discover -t "%s" "%s" '
"$LISTOPT $IDOPTION" % (expected_python, "fake_top_dir", "fake_test_path")
)
# Ensure TestProcessorFixture is created with defaults except for where
# we specfied and with the correct python.
mock_TestProcessorFixture.assert_called_once_with(
None,
command,
"--list",
"--load-list $IDFILE",
mock_get_repo_open.return_value,
exclude_regex=None,
exclude_list=None,
concurrency=0,
group_callback=expected_group_callback,
test_filters=None,
randomize=False,
serial=False,
include_list=None,
worker_path=None,
)
@mock.patch.object(config_file, "sys")
def _check_get_run_command_exception(
self,
mock_sys,
platform="win32",
sys_executable="/usr/bin/python",
environment=None,
):
mock_sys.platform = platform
mock_sys.executable = sys_executable
if environment is None:
environment = {"PYTHON": ""}
with mock.patch.dict("os.environ", environment):
self.assertRaises(
RuntimeError,
self._testr_conf.get_run_command,
test_path="fake_test_path",
top_dir="fake_top_dir",
)
def test_get_run_command_linux(self):
self._check_get_run_command(
platform="linux2", expected_python="/usr/bin/python"
)
def test_get_run_command_emptysysexecutable_noenv(self):
self._check_get_run_command_exception(platform="linux2", sys_executable=None)
def test_get_run_command_emptysysexecutable_win32(self):
self._check_get_run_command_exception(
platform="win32", sys_executable=None, environment={"PYTHON": "python3"}
)
def test_get_run_command_emptysysexecutable_withenv(self):
self._check_get_run_command(
platform="linux2",
sys_executable=None,
expected_python="${PYTHON}",
environment={"PYTHON": "/usr/bin/python3"},
)
def test_get_run_command_win32(self):
self._check_get_run_command()
def test_get_run_command_parallel_class(self):
self._check_get_run_command(parallel_class=True)
def test_get_run_command_nogroup_regex_noparallel_class(self):
self._testr_conf.parallel_class = False
self._testr_conf.group_regex = ""
self._check_get_run_command(group_regex="", expected_group_callback=None)
@ddt.data((".\\", ".\\\\"), ("a\\b\\", "a\\b\\\\"), ("a\\b", "a\\b"))
@ddt.unpack
@mock.patch("os.sep", new="\\")
def test_sanitize_dir_win32(self, path, expected):
sanitized = self._testr_conf._sanitize_path(path)
self.assertEqual(expected, sanitized)
@mock.patch("os.path.isfile")
@mock.patch("stestr.config_file.TestrConf.__init__")
def test_load_from_file_user_specified(self, initializer, isfile):
# Test that user-specified config files are "one-and-done"
initializer.return_value = None
isfile.return_value = True
config_file.TestrConf.load_from_file("user.conf")
initializer.assert_called_once_with("user.conf")
@mock.patch("os.path.isfile")
@mock.patch("stestr.config_file.TestrConf.__init__")
def test_load_from_file_user_specified_fails(self, initializer, isfile):
# Test that user-specified config files that do not exist gives up
# immediately
initializer.return_value = None
initializer.side_effect = FileNotFoundError
isfile.return_value = False
self.assertRaises(
FileNotFoundError, config_file.TestrConf.load_from_file, "user.conf"
)
isfile.assert_called_once_with("user.conf")
initializer.assert_called_once_with("user.conf")
@mock.patch("os.path.isfile")
@mock.patch("stestr.config_file.TestrConf.__init__")
def test_load_from_file_toml_has_precedence(self, initializer, isfile):
# Test that tox.ini is ignored if a pyproject.toml config exists
initializer.return_value = None
isfile.return_value = False
config_file.TestrConf.load_from_file(".stestr.conf")
isfile.assert_called_once_with(".stestr.conf")
initializer.assert_called_once_with("pyproject.toml")
@mock.patch("os.path.isfile")
@mock.patch("stestr.config_file.TestrConf.__init__")
def test_load_from_file_ini_fallback(self, initializer, isfile):
initializer.return_value = None
# The only difference between "no config file" and "nothing defined
# in the config file" is the type of exception thrown; we'll make
# sure that, in aggregate, we test for both conditions
exc = random.choice([FileNotFoundError, KeyError])
initializer.side_effect = (exc, None)
isfile.return_value = False
config_file.TestrConf.load_from_file(".stestr.conf")
isfile.assert_called_once_with(".stestr.conf")
initializer.assert_has_calls(
[mock.call("pyproject.toml"), mock.call("tox.ini", section="stestr")]
)
@mock.patch.object(config_file.tomlkit, "load")
def test_toml_load(self, mock_toml):
tmpdir = self.useFixture(fixtures.TempDir()).path
file_path = os.path.join(tmpdir, "myfile.toml")
with open(file_path, "w"):
pass
self._testr_conf = config_file.TestrConf(file_path)
self._check_get_run_command()
mock_toml.return_value.__getitem__.assert_called_once_with("tool")
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