constants_test.py

# Copyright 2017 The Oppia Authors. 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.

"""Tests for Constants object and cosntants.json file."""

import os

import constants  # pylint: disable=relative-import
from core.tests import test_utils  # pylint: disable=relative-import


class ConstantsTests(test_utils.GenericTestBase):

    def test_constants_file_is_existing(self):
        """Test if the constants file is existing."""
        self.assertTrue(os.path.isfile(os.path.join(
            'assets', 'constants.js')))

    def test_constants_file_contains_valid_json(self):
        """Test if the constants file is valid json file."""
        with open(os.path.join('assets', 'constants.js'), 'r') as f:
            json = constants.parse_json_from_js(f)
            self.assertTrue(isinstance(json, dict))
            self.assertEqual(json['TESTING_CONSTANT'], 'test')