cpython/Lib/importlib/test/test_abc.py

32 lines
810 B
Python

from importlib import abc
from importlib import machinery
import unittest
class SubclassTests(unittest.TestCase):
"""Test that the various classes in importlib are subclasses of the
expected ABCS."""
def verify(self, ABC, *classes):
"""Verify the classes are subclasses of the ABC."""
for cls in classes:
self.assert_(issubclass(cls, ABC))
def test_Finder(self):
self.verify(abc.Finder, machinery.BuiltinImporter,
machinery.FrozenImporter, machinery.PathFinder)
def test_Loader(self):
self.verify(abc.Loader, machinery.BuiltinImporter,
machinery.FrozenImporter)
def test_main():
from test.support import run_unittest
run_unittest(SubclassTests)
if __name__ == '__main__':
test_main()