mirror of https://github.com/python/cpython
99 lines
3.2 KiB
Python
99 lines
3.2 KiB
Python
from .. import abc
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from .. import util
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machinery = util.import_importlib('importlib.machinery')
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import sys
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import unittest
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import warnings
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@unittest.skipIf(util.BUILTINS.good_name is None, 'no reasonable builtin module')
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class FindSpecTests(abc.FinderTests):
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"""Test find_spec() for built-in modules."""
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def test_module(self):
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# Common case.
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with util.uncache(util.BUILTINS.good_name):
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found = self.machinery.BuiltinImporter.find_spec(util.BUILTINS.good_name)
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self.assertTrue(found)
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self.assertEqual(found.origin, 'built-in')
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# Built-in modules cannot be a package.
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test_package = None
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# Built-in modules cannot be in a package.
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test_module_in_package = None
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# Built-in modules cannot be a package.
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test_package_in_package = None
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# Built-in modules cannot be a package.
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test_package_over_module = None
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def test_failure(self):
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name = 'importlib'
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assert name not in sys.builtin_module_names
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spec = self.machinery.BuiltinImporter.find_spec(name)
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self.assertIsNone(spec)
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def test_ignore_path(self):
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# The value for 'path' should always trigger a failed import.
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with util.uncache(util.BUILTINS.good_name):
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spec = self.machinery.BuiltinImporter.find_spec(util.BUILTINS.good_name,
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['pkg'])
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self.assertIsNone(spec)
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(Frozen_FindSpecTests,
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Source_FindSpecTests
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) = util.test_both(FindSpecTests, machinery=machinery)
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@unittest.skipIf(util.BUILTINS.good_name is None, 'no reasonable builtin module')
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class FinderTests(abc.FinderTests):
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"""Test find_module() for built-in modules."""
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def test_module(self):
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# Common case.
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with util.uncache(util.BUILTINS.good_name):
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with warnings.catch_warnings():
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warnings.simplefilter("ignore", DeprecationWarning)
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found = self.machinery.BuiltinImporter.find_module(util.BUILTINS.good_name)
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self.assertTrue(found)
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self.assertTrue(hasattr(found, 'load_module'))
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# Built-in modules cannot be a package.
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test_package = test_package_in_package = test_package_over_module = None
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# Built-in modules cannot be in a package.
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test_module_in_package = None
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def test_failure(self):
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assert 'importlib' not in sys.builtin_module_names
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with warnings.catch_warnings():
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warnings.simplefilter("ignore", DeprecationWarning)
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loader = self.machinery.BuiltinImporter.find_module('importlib')
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self.assertIsNone(loader)
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def test_ignore_path(self):
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# The value for 'path' should always trigger a failed import.
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with util.uncache(util.BUILTINS.good_name):
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with warnings.catch_warnings():
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warnings.simplefilter("ignore", DeprecationWarning)
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loader = self.machinery.BuiltinImporter.find_module(
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util.BUILTINS.good_name,
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['pkg'])
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self.assertIsNone(loader)
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(Frozen_FinderTests,
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Source_FinderTests
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) = util.test_both(FinderTests, machinery=machinery)
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if __name__ == '__main__':
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unittest.main()
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