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jinja_utils_test.py
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# coding: utf-8
#
# Copyright 2014 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.
# pylint: disable=relative-import
from core.tests import test_utils
import feconf
import jinja_utils
import utils
class JinjaUtilsUnitTests(test_utils.GenericTestBase):
def test_js_string_filter(self):
"""Test js_string filter."""
expected_values = [
('a', '\\"a\\"'),
(2, '2'),
(5.5, '5.5'),
("'", '\\"\\\'\\"'),
(u'¡Hola!', '\\"\\\\u00a1Hola!\\"'),
(['a', '¡Hola!', 2], '[\\"a\\", \\"\\\\u00a1Hola!\\", 2]'),
({'a': 4, '¡Hola!': 2}, '{\\"a\\": 4, \\"\\\\u00a1Hola!\\": 2}'),
('', '\\"\\"'),
(None, 'null'),
(['a', {'b': 'c', 'd': ['e', None]}],
'[\\"a\\", {\\"b\\": \\"c\\", \\"d\\": [\\"e\\", null]}]')
]
for tup in expected_values:
self.assertEqual(jinja_utils.JINJA_FILTERS['js_string'](
tup[0]), tup[1])
def test_parse_string(self):
parsed_str = jinja_utils.parse_string('{{test}}', {'test': 'hi'})
self.assertEqual(parsed_str, 'hi')
# Some parameters are missing.
parsed_str = jinja_utils.parse_string(
'{{test}} and {{test2}}', {'test2': 'hi'})
self.assertEqual(parsed_str, ' and hi')
# All parameters are missing.
parsed_str = jinja_utils.parse_string('{{test}} and {{test2}}', {})
self.assertEqual(parsed_str, ' and ')
# The string has no parameters.
parsed_str = jinja_utils.parse_string('no params', {'param': 'hi'})
self.assertEqual(parsed_str, 'no params')
# Integer parameters are used.
parsed_str = jinja_utils.parse_string('int {{i}}', {'i': 2})
self.assertEqual(parsed_str, 'int 2')
def test_evaluate_object(self):
parsed_object = jinja_utils.evaluate_object('abc', {})
self.assertEqual(parsed_object, 'abc')
parsed_object = jinja_utils.evaluate_object('{{ab}}', {'ab': 'c'})
self.assertEqual(parsed_object, 'c')
parsed_object = jinja_utils.evaluate_object('abc{{ab}}', {'ab': 'c'})
self.assertEqual(parsed_object, 'abcc')
parsed_object = jinja_utils.evaluate_object(
['a', '{{a}}', 'a{{a}}'], {'a': 'b'})
self.assertEqual(parsed_object, ['a', 'b', 'ab'])
parsed_object = jinja_utils.evaluate_object({}, {})
self.assertEqual(parsed_object, {})
parsed_object = jinja_utils.evaluate_object({}, {'a': 'b'})
self.assertEqual(parsed_object, {})
parsed_object = jinja_utils.evaluate_object({'a': 'b'}, {})
self.assertEqual(parsed_object, {'a': 'b'})
parsed_object = jinja_utils.evaluate_object(
{'a': 'a{{b}}'}, {'b': 'c'})
self.assertEqual(parsed_object, {'a': 'ac'})
parsed_object = jinja_utils.evaluate_object({'a': '{{b}}'}, {'b': 3})
self.assertEqual(parsed_object, {'a': '3'})
parsed_object = jinja_utils.evaluate_object({'a': '{{b}}'}, {'b': 'c'})
self.assertEqual(parsed_object, {'a': 'c'})
# Failure cases should be handled gracefully.
parsed_object = jinja_utils.evaluate_object('{{c}}', {})
self.assertEqual(parsed_object, '')
parsed_object = jinja_utils.evaluate_object('{{c}}', {'a': 'b'})
self.assertEqual(parsed_object, '')
# Test that the original dictionary is unchanged.
orig_dict = {'a': '{{b}}'}
parsed_dict = jinja_utils.evaluate_object(orig_dict, {'b': 'c'})
self.assertEqual(orig_dict, {'a': '{{b}}'})
self.assertEqual(parsed_dict, {'a': 'c'})
def test_interpolate_cache_slug(self):
with self.swap(feconf, 'DEV_MODE', True):
utils.ASSET_DIR_PREFIX = None
cache_slug = utils.get_asset_dir_prefix()
parsed_str = jinja_utils.interpolate_cache_slug('{{cache_slug}}')
self.assertEqual(parsed_str, '%s' % cache_slug)
with self.swap(feconf, 'DEV_MODE', False):
utils.ASSET_DIR_PREFIX = None
cache_slug = utils.get_asset_dir_prefix()
parsed_str = jinja_utils.interpolate_cache_slug('{{cache_slug}}')
self.assertEqual(parsed_str, '%s' % cache_slug)
with self.swap(feconf, 'IS_MINIFIED', True):
utils.ASSET_DIR_PREFIX = None
cache_slug = utils.get_asset_dir_prefix()
parsed_str = jinja_utils.interpolate_cache_slug('{{cache_slug}}')
self.assertEqual(parsed_str, '%s' % cache_slug)
cache_slug = utils.get_asset_dir_prefix()
parsed_str = jinja_utils.interpolate_cache_slug(
'{{cache_slug}}/test/test.css')
self.assertEqual(parsed_str, '%s/test/test.css' % cache_slug)
# cache slug parameter is missing.
parsed_str = jinja_utils.interpolate_cache_slug(
'{{invalid_test}}/test/test.css')
self.assertEqual(parsed_str, '/test/test.css')