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importlib.machinery.(FileFinder, SourceFileLoader, _SourcelessFileLoader, ExtensionFileLoader). This exposes all of importlib's mechanisms that will become public on the sys module.
61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
from importlib import _bootstrap
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from . import util as ext_util
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from .. import abc
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from .. import util
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import sys
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import unittest
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class LoaderTests(abc.LoaderTests):
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"""Test load_module() for extension modules."""
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def load_module(self, fullname):
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loader = _bootstrap.ExtensionFileLoader(ext_util.NAME,
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ext_util.FILEPATH)
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return loader.load_module(fullname)
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def test_module(self):
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with util.uncache(ext_util.NAME):
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module = self.load_module(ext_util.NAME)
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for attr, value in [('__name__', ext_util.NAME),
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('__file__', ext_util.FILEPATH),
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('__package__', '')]:
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self.assertEqual(getattr(module, attr), value)
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self.assertTrue(ext_util.NAME in sys.modules)
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self.assertTrue(isinstance(module.__loader__,
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_bootstrap.ExtensionFileLoader))
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def test_package(self):
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# Extensions are not found in packages.
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pass
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def test_lacking_parent(self):
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# Extensions are not found in packages.
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pass
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def test_module_reuse(self):
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with util.uncache(ext_util.NAME):
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module1 = self.load_module(ext_util.NAME)
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module2 = self.load_module(ext_util.NAME)
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self.assertTrue(module1 is module2)
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def test_state_after_failure(self):
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# No easy way to trigger a failure after a successful import.
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pass
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def test_unloadable(self):
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name = 'asdfjkl;'
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with self.assertRaises(ImportError) as cm:
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self.load_module(name)
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self.assertEqual(cm.exception.name, name)
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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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