import os import json import doctest import unittest from test import support from test.support import import_helper # import json with and without accelerations cjson = import_helper.import_fresh_module('json', fresh=['_json']) pyjson = import_helper.import_fresh_module('json', blocked=['_json']) # JSONDecodeError is cached inside the _json module cjson.JSONDecodeError = cjson.decoder.JSONDecodeError = json.JSONDecodeError # create two base classes that will be used by the other tests class PyTest(unittest.TestCase): json = pyjson loads = staticmethod(pyjson.loads) dumps = staticmethod(pyjson.dumps) JSONDecodeError = staticmethod(pyjson.JSONDecodeError) @unittest.skipUnless(cjson, 'requires _json') class CTest(unittest.TestCase): if cjson is not None: json = cjson loads = staticmethod(cjson.loads) dumps = staticmethod(cjson.dumps) JSONDecodeError = staticmethod(cjson.JSONDecodeError) # test PyTest and CTest checking if the functions come from the right module class TestPyTest(PyTest): def test_pyjson(self): self.assertEqual(self.json.scanner.make_scanner.__module__, 'json.scanner') self.assertEqual(self.json.decoder.scanstring.__module__, 'json.decoder') self.assertEqual(self.json.encoder.encode_basestring_ascii.__module__, 'json.encoder') class TestCTest(CTest): def test_cjson(self): self.assertEqual(self.json.scanner.make_scanner.__module__, '_json') self.assertEqual(self.json.decoder.scanstring.__module__, '_json') self.assertEqual(self.json.encoder.c_make_encoder.__module__, '_json') self.assertEqual(self.json.encoder.encode_basestring_ascii.__module__, '_json') def load_tests(loader, _, pattern): suite = unittest.TestSuite() for mod in (json, json.encoder, json.decoder): suite.addTest(doctest.DocTestSuite(mod)) suite.addTest(TestPyTest('test_pyjson')) suite.addTest(TestCTest('test_cjson')) pkg_dir = os.path.dirname(__file__) return support.load_package_tests(pkg_dir, loader, suite, pattern)