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How to use test_constant method in locust

Best Python code snippet using locust

app_constants_test.py

Source:app_constants_test.py

1# Copyright 2018 Google Inc. All Rights Reserved.2#3# Licensed under the Apache License, Version 2.0 (the "License");4# you may not use this file except in compliance with the License.5# You may obtain a copy of the License at6#7#     http://www.apache.org/licenses/LICENSE-2.08#9# Unless required by applicable law or agreed to in writing, software10# distributed under the License is distributed on an "AS-IS" BASIS,11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12# See the License for the specific language governing permissions and13# limitations under the License.14"""Tests for deployments.lib.config."""15from __future__ import absolute_import16from __future__ import division17from __future__ import print_function18from absl import flags19from absl.testing import flagsaver20from absl.testing import parameterized21import mock22from absl.testing import absltest23from loaner.deployments.lib import app_constants24from loaner.deployments.lib import utils25FLAGS = flags.FLAGS26flags.DEFINE_string('app_constants_test_flag', '', 'Give me a value!')27FLAGS.register_key_flag_for_module(__name__, FLAGS['app_constants_test_flag'])28class AppConstantsTest(parameterized.TestCase, absltest.TestCase):29  def test_get_default_constants(self):30    constants = app_constants.get_default_constants()31    self.assertLen(constants, 7)32  @flagsaver.flagsaver(app_constants_test_flag='valid')33  def test_get_constants_from_flags(self):34    constants = app_constants.get_constants_from_flags(module=__name__)35    self.assertLen(constants, 1)36    self.assertEqual('valid', constants['app_constants_test_flag'].value)37  def test_get_constants_from_flags__not_parsed(self):38    FLAGS.__dict__['__flags_parsed'] = False39    constants = app_constants.get_constants_from_flags(module=__name__)40    FLAGS.__dict__['__flags_parsed'] = True41    self.assertLen(constants, 1)42    self.assertEqual('', constants['app_constants_test_flag'].value)43  @parameterized.parameters(44      ('DEFAULT', None, 'new', 'new'),45      ('', utils.StringParser(True), '', ''),46      ('yes', utils.YesNoParser(), 'no', False),47      ('', utils.ListParser(True), 'this,one', ['this', 'one']),48      ('', utils.StringParser(False), 'asdf', 'asdf'),49      ('1', flags.IntegerParser(), '10', 10),50      ('user@example.com', utils.EmailParser(), 'other@e.co', 'other@e.co'),51  )52  def test_constant_constructor(self, default, parser, new_value, expected):53    test_constant = app_constants.Constant('name', 'message', default, parser)54    self.assertEqual('name: {}'.format(default), str(test_constant))55    self.assertEqual(56        "<Constant('name', 'message', {!r}, {!r})>".format(default, parser),57        repr(test_constant))58    self.assertEqual(59        app_constants.Constant('name', 'message', default, parser),60        test_constant)61    self.assertNotEqual(62        app_constants.Constant('other', 'message', default, parser),63        test_constant)64    test_constant.value = new_value65    self.assertTrue(test_constant.valid)66    self.assertEqual(test_constant.value, expected)67  def test_constant_prompt(self):68    test_constant = app_constants.Constant(69        'name', 'messsage', '', utils.StringParser(False))70    self.assertFalse(test_constant.valid)71    with mock.patch.object(utils, 'prompt', return_value='VALID!'):72      test_constant.prompt()73      self.assertTrue(test_constant.valid)74if __name__ == '__main__':...

weak_constant_test.py

Source:weak_constant_test.py

1#!/usr/bin/env python2# Copyright 2018 The Chromium Authors. All rights reserved.3# Use of this source code is governed by a BSD-style license that can be4# found in the LICENSE file.5# pylint: disable=protected-access6import time7import unittest8from devil import devil_env9from devil.utils import lazy10from devil.utils import timeout_retry11with devil_env.SysPath(devil_env.PYMOCK_PATH):12  import mock13class DynamicSideEffect(object):14  """A helper object for handling a sequence of single-use side effects."""15  def __init__(self, side_effects):16    self._side_effects = iter(side_effects or [])17  def __call__(self):18    val = next(self._side_effects)()19    if isinstance(val, Exception):20      raise val21    return val22class WeakConstantTest(unittest.TestCase):23  def testUninitialized(self):24    """Ensure that the first read calls the initializer."""25    initializer = mock.Mock(return_value='initializer called')26    test_constant = lazy.WeakConstant(initializer)27    self.assertEquals('initializer called', test_constant.read())28    initializer.assert_called_once_with()29  def testInitialized(self):30    """Ensure that reading doesn't reinitialize the value."""31    initializer = mock.Mock(return_value='initializer called')32    test_constant = lazy.WeakConstant(initializer)33    test_constant._initialized.set()34    test_constant._val = 'initializer not called'35    self.assertEquals('initializer not called', test_constant.read())36    self.assertFalse(initializer.mock_calls)  # assert not called37  def testFirstCallHangs(self):38    """Ensure that reading works even if the first initializer call hangs."""39    dyn = DynamicSideEffect(40        [lambda: time.sleep(10), lambda: 'second try worked!'])41    initializer = mock.Mock(side_effect=dyn)42    test_constant = lazy.WeakConstant(initializer)43    self.assertEquals('second try worked!',44                      timeout_retry.Run(test_constant.read, 1, 1))45    initializer.assert_has_calls([mock.call(), mock.call()])46if __name__ == '__main__':...

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