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import utils
import os
import unittest
TOPDIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
utils.set_search_paths(TOPDIR)
import modelcif.alignment
class Tests(unittest.TestCase):
def test_identity(self):
"""Test sequence identity classes"""
ident = modelcif.alignment.ShorterSequenceIdentity(42.0)
self.assertEqual(ident.denominator, "Length of the shorter sequence")
self.assertIsNone(ident.other_details)
self.assertAlmostEqual(ident.value, 42.0, delta=1e-4)
ident = modelcif.alignment.AlignedPositionsIdentity(42.0)
ident = modelcif.alignment.AlignedResiduePairsIdentity(42.0)
ident = modelcif.alignment.MeanSequenceIdentity(42.0)
# generic "other" identity
ident = modelcif.alignment.Identity(42.0)
self.assertEqual(ident.denominator, "Other")
self.assertIsNone(ident.other_details)
# custom "other" identity
class CustomIdentity(modelcif.alignment.Identity):
"""foo
bar"""
ident = CustomIdentity(42.0)
self.assertEqual(ident.denominator, "Other")
self.assertEqual(ident.other_details, "foo")
if __name__ == '__main__':
unittest.main()
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