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1import os
2import sys
3import json
4import doctest
5import unittest
6
7from test import test_support
8
9# import json with and without accelerations
10cjson = test_support.import_fresh_module('json', fresh=['_json'])
11pyjson = test_support.import_fresh_module('json', blocked=['_json'])
12
13# create two base classes that will be used by the other tests
14class PyTest(unittest.TestCase):
15    json = pyjson
16    loads = staticmethod(pyjson.loads)
17    dumps = staticmethod(pyjson.dumps)
18
19@unittest.skipUnless(cjson, 'requires _json')
20class CTest(unittest.TestCase):
21    if cjson is not None:
22        json = cjson
23        loads = staticmethod(cjson.loads)
24        dumps = staticmethod(cjson.dumps)
25
26# test PyTest and CTest checking if the functions come from the right module
27class TestPyTest(PyTest):
28    def test_pyjson(self):
29        self.assertEqual(self.json.scanner.make_scanner.__module__,
30                         'json.scanner')
31        self.assertEqual(self.json.decoder.scanstring.__module__,
32                         'json.decoder')
33        self.assertEqual(self.json.encoder.encode_basestring_ascii.__module__,
34                         'json.encoder')
35
36class TestCTest(CTest):
37    def test_cjson(self):
38        self.assertEqual(self.json.scanner.make_scanner.__module__, '_json')
39        self.assertEqual(self.json.decoder.scanstring.__module__, '_json')
40        self.assertEqual(self.json.encoder.c_make_encoder.__module__, '_json')
41        self.assertEqual(self.json.encoder.encode_basestring_ascii.__module__,
42                         '_json')
43
44
45here = os.path.dirname(__file__)
46
47def test_suite():
48    suite = additional_tests()
49    loader = unittest.TestLoader()
50    for fn in os.listdir(here):
51        if fn.startswith("test") and fn.endswith(".py"):
52            modname = "json.tests." + fn[:-3]
53            __import__(modname)
54            module = sys.modules[modname]
55            suite.addTests(loader.loadTestsFromModule(module))
56    return suite
57
58def additional_tests():
59    suite = unittest.TestSuite()
60    for mod in (json, json.encoder, json.decoder):
61        suite.addTest(doctest.DocTestSuite(mod))
62    suite.addTest(TestPyTest('test_pyjson'))
63    suite.addTest(TestCTest('test_cjson'))
64    return suite
65
66def main():
67    suite = test_suite()
68    runner = unittest.TextTestRunner()
69    runner.run(suite)
70
71if __name__ == '__main__':
72    sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
73    main()
74