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# standard imports
import unittest
# bsie imports
from bsie.utils import errors
# objects to test
from bsie.utils.loading import safe_load, unpack_qualified_name
## code ##
class TestUtils(unittest.TestCase):
def test_safe_load(self):
# invalid module
self.assertRaises(errors.LoaderError, safe_load, 'dBGHMSAYOoKeKMpywDoKZQycENFPvN', 'foobar')
self.assertRaises(errors.LoaderError, safe_load, 'dBGHMSAYOoKeKMpywDoKZQycENFPvN.bar', 'foobar')
# partially valid module
self.assertRaises(errors.LoaderError, safe_load, 'os.foo', 'foobar')
# invalid class
self.assertRaises(errors.LoaderError, safe_load, 'os.path', 'foo')
# valid module and class
cls = safe_load('collections.abc', 'Container')
import collections.abc
self.assertEqual(cls, collections.abc.Container)
def test_unpack_qualified_name(self):
self.assertRaises(TypeError, unpack_qualified_name, 123)
self.assertRaises(TypeError, unpack_qualified_name, None)
self.assertRaises(ValueError, unpack_qualified_name, '')
self.assertRaises(ValueError, unpack_qualified_name, 'path')
self.assertRaises(ValueError, unpack_qualified_name, '.Path')
self.assertEqual(unpack_qualified_name('path.Path'), ('path', 'Path'))
self.assertEqual(unpack_qualified_name('path.foo.bar.Path'), ('path.foo.bar', 'Path'))
## main ##
if __name__ == '__main__':
unittest.main()
## EOF ##
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