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#!/usr/bin/env python
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import json
import unittest
from extensions_paths import SERVER2
from server_instance import ServerInstance
from template_data_source import TemplateDataSource
from test_util import DisableLogging, ReadFile
from third_party.handlebar import Handlebar
def _ReadFile(*path):
return ReadFile(SERVER2, 'test_data', 'template_data_source', *path)
def _CreateTestDataSource(base_dir):
'''TemplateDataSource is not instantiated directly, rather, its methods
are invoked through a subclass of it, which has as its only data the
directory in which TemplateDataSource methods should act on. Thus, we test
TemplateDataSource indirectly through the TestDataSource class
'''
return TestDataSource(ServerInstance.ForLocal(),
'%stest_data/template_data_source/%s/' %
(SERVER2, base_dir))
class TestDataSource(TemplateDataSource):
'''Provides a subclass we can use to test the TemplateDataSource methods
'''
def __init__(self, server_instance, base_dir):
type(self)._BASE = base_dir
TemplateDataSource.__init__(self, server_instance)
class TemplateDataSourceTest(unittest.TestCase):
def testSimple(self):
test_data_source = _CreateTestDataSource('simple')
template_a1 = Handlebar(_ReadFile('simple', 'test1.html'))
context = [{}, {'templates': {}}]
self.assertEqual(
template_a1.Render(*context).text,
test_data_source.get('test1').Render(*context).text)
template_a2 = Handlebar(_ReadFile('simple', 'test2.html'))
self.assertEqual(
template_a2.Render(*context).text,
test_data_source.get('test2').Render(*context).text)
@DisableLogging('warning')
def testNotFound(self):
test_data_source = _CreateTestDataSource('simple')
self.assertEqual(None, test_data_source.get('junk'))
@DisableLogging('warning')
def testPartials(self):
test_data_source = _CreateTestDataSource('partials')
context = json.loads(_ReadFile('partials', 'input.json'))
self.assertEqual(
_ReadFile('partials', 'test_expected.html'),
test_data_source.get('test_tmpl').Render(
context, test_data_source).text)
if __name__ == '__main__':
unittest.main()
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