diff options
Diffstat (limited to 'Lib/test/test_imp.py')
| -rw-r--r-- | Lib/test/test_imp.py | 72 |
1 files changed, 48 insertions, 24 deletions
diff --git a/Lib/test/test_imp.py b/Lib/test/test_imp.py index fe436f39850..cf50ea413af 100644 --- a/Lib/test/test_imp.py +++ b/Lib/test/test_imp.py @@ -1,4 +1,7 @@ -import imp +try: + import _thread +except ImportError: + _thread = None import importlib import os import os.path @@ -7,7 +10,20 @@ import sys from test import support import unittest import warnings +with warnings.catch_warnings(): + warnings.simplefilter('ignore', PendingDeprecationWarning) + import imp + +def requires_load_dynamic(meth): + """Decorator to skip a test if not running under CPython or lacking + imp.load_dynamic().""" + meth = support.cpython_only(meth) + return unittest.skipIf(not hasattr(imp, 'load_dynamic'), + 'imp.load_dynamic() required')(meth) + + +@unittest.skipIf(_thread is None, '_thread module is required') class LockTests(unittest.TestCase): """Very basic test of import lock functions.""" @@ -207,9 +223,7 @@ class ImportTests(unittest.TestCase): self.assertIs(orig_path, new_os.path) self.assertIsNot(orig_getenv, new_os.getenv) - @support.cpython_only - @unittest.skipIf(not hasattr(imp, 'load_dynamic'), - 'imp.load_dynamic() required') + @requires_load_dynamic def test_issue15828_load_extensions(self): # Issue 15828 picked up that the adapter between the old imp API # and importlib couldn't handle C extensions @@ -221,6 +235,22 @@ class ImportTests(unittest.TestCase): mod = imp.load_module(example, *x) self.assertEqual(mod.__name__, example) + @requires_load_dynamic + def test_issue16421_multiple_modules_in_one_dll(self): + # Issue 16421: loading several modules from the same compiled file fails + m = '_testimportmultiple' + fileobj, pathname, description = imp.find_module(m) + fileobj.close() + mod0 = imp.load_dynamic(m, pathname) + mod1 = imp.load_dynamic('_testimportmultiple_foo', pathname) + mod2 = imp.load_dynamic('_testimportmultiple_bar', pathname) + self.assertEqual(mod0.__name__, m) + self.assertEqual(mod1.__name__, '_testimportmultiple_foo') + self.assertEqual(mod2.__name__, '_testimportmultiple_bar') + with self.assertRaises(ImportError): + imp.load_dynamic('nonexistent', pathname) + + @requires_load_dynamic def test_load_dynamic_ImportError_path(self): # Issue #1559549 added `name` and `path` attributes to ImportError # in order to provide better detail. Issue #10854 implemented those @@ -232,14 +262,12 @@ class ImportTests(unittest.TestCase): self.assertIn(path, err.exception.path) self.assertEqual(name, err.exception.name) - @support.cpython_only - @unittest.skipIf(not hasattr(imp, 'load_dynamic'), - 'imp.load_dynamic() required') + @requires_load_dynamic def test_load_module_extension_file_is_None(self): # When loading an extension module and the file is None, open one # on the behalf of imp.load_dynamic(). # Issue #15902 - name = '_heapq' + name = '_testimportmultiple' found = imp.find_module(name) if found[0] is not None: found[0].close() @@ -247,6 +275,17 @@ class ImportTests(unittest.TestCase): return imp.load_module(name, None, *found[1:]) + @unittest.skipIf(sys.dont_write_bytecode, + "test meaningful only when writing bytecode") + def test_bug7732(self): + source = support.TESTFN + '.py' + os.mkdir(source) + try: + self.assertRaisesRegex(ImportError, '^No module', + imp.find_module, support.TESTFN, ["."]) + finally: + os.rmdir(source) + class ReloadTests(unittest.TestCase): @@ -427,20 +466,5 @@ class NullImporterTests(unittest.TestCase): os.rmdir(name) -def test_main(): - tests = [ - ImportTests, - PEP3147Tests, - ReloadTests, - NullImporterTests, - ] - try: - import _thread - except ImportError: - pass - else: - tests.append(LockTests) - support.run_unittest(*tests) - if __name__ == "__main__": - test_main() + unittest.main() |