Files
foldingdiff/tests/test_tmalign.py
2022-09-27 13:58:22 -07:00

44 lines
1.2 KiB
Python

"""
Test the TMalign wrapper
"""
import os
import unittest
from foldingdiff import tmalign
class TestTMalign(unittest.TestCase):
"""
Test the TMalign wrapper
"""
def setUp(self) -> None:
self.fname1 = os.path.join(
os.path.dirname(os.path.dirname(__file__)), "data", "7PFL.pdb"
)
self.fname2 = os.path.join(
os.path.dirname(os.path.dirname(__file__)), "data", "7ZYA.pdb"
)
assert os.path.isfile(self.fname1)
assert os.path.isfile(self.fname2)
def test_reproducibility(self):
"""Test that the same file run twice gives consistent results"""
x = tmalign.run_tmalign(self.fname1, self.fname2)
y = tmalign.run_tmalign(self.fname1, self.fname2)
self.assertAlmostEqual(x, y)
def test_self_is_1(self):
"""Test that comparing a file to itself should yield a perfect score of 1"""
x = tmalign.run_tmalign(self.fname1, self.fname1)
self.assertAlmostEqual(x, 1.0)
def test_nonself_less_than_1(self):
"""Test that comparing against a different structure yields a value < 1"""
x = tmalign.run_tmalign(self.fname1, self.fname2)
self.assertLess(x, 1.0)
if __name__ == "__main__":
unittest.main()