mirror of
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synced 2025-07-19 01:05:26 +00:00
23cbd8a656
planned for the package. There are no docs yet, but they are coming once the API for the first new function, importlib.import_module() is finalized.
52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
import importlib
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from .. import support
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import sys
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import types
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import unittest
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class LoaderTests(unittest.TestCase):
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"""Test load_module() for built-in modules."""
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assert 'errno' in sys.builtin_module_names
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name = 'errno'
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verification = {'__name__': 'errno', '__package__': None}
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def verify(self, module):
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"""Verify that the module matches against what it should have."""
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self.assert_(isinstance(module, types.ModuleType))
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for attr, value in self.verification.items():
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self.assertEqual(getattr(module, attr), value)
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self.assert_(module.__name__ in sys.modules)
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load_module = staticmethod(lambda name:
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importlib.BuiltinImporter().load_module(name))
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def test_load_module(self):
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# Common case.
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with support.uncache(self.name):
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module = self.load_module(self.name)
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self.verify(module)
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def test_nonexistent(self):
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name = 'dssdsdfff'
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assert name not in sys.builtin_module_names
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self.assertRaises(ImportError, self.load_module, name)
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def test_already_imported(self):
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# Using the name of a module already imported but not a built-in should
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# still fail.
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assert hasattr(importlib, '__file__') # Not a built-in.
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self.assertRaises(ImportError, self.load_module, 'importlib')
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def test_main():
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from test.support import run_unittest
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run_unittest(LoaderTests)
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if __name__ == '__main__':
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test_main()
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