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# Copyright 2001 by Gavin E. Crooks. All rights reserved.
# This code is part of the Biopython distribution and governed by its
# license. Please see the LICENSE file that should have been included
# as part of this package.
"""Unit test for Des"""
import unittest
from Bio.SCOP import Des
class DesTests(unittest.TestCase):
def setUp(self):
self.filename = './SCOP/dir.des.scop.txt_test'
def testParse(self):
"""Test if all records in a DES file are being read"""
f = open(self.filename)
try:
count = 0
records = Des.parse(f)
for record in records:
count += 1
self.assertEqual(count, 20)
finally:
f.close()
def testStr(self):
"""Test if we can convert each record to a string correctly"""
f = open(self.filename)
try:
for line in f:
record = Des.Record(line)
# End of line is platform dependent. Strip it off
self.assertEqual(str(record).rstrip(), line.rstrip())
finally:
f.close()
def testError(self):
"""Test if a corrupt record raises the appropriate exception"""
corruptRec = "49268\tsp\tb.1.2.1\t-\n"
self.assertRaises(ValueError, Des.Record, corruptRec)
def testRecord(self):
"""Test one record in detail"""
recLine = '49268\tsp\tb.1.2.1\t-\tHuman (Homo sapiens) \n'
recFields = (49268, 'sp', 'b.1.2.1', '', 'Human (Homo sapiens)')
record = Des.Record(recLine)
self.assertEqual(record.sunid, recFields[0])
self.assertEqual(record.nodetype, recFields[1])
self.assertEqual(record.sccs, recFields[2])
self.assertEqual(record.name, recFields[3])
self.assertEqual(record.description, recFields[4])
if __name__ == '__main__':
runner = unittest.TextTestRunner(verbosity=2)
unittest.main(testRunner=runner)
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