def testGap(self):
"""
A '-' should result in an ACGT regex.
"""
self.assertEqual('[ACGT]', sequenceToRegex('-'))
def testWildcard(self):
"""
An explicit wildcard should result in an ACGT regex.
"""
self.assertEqual('[ACGT][ACGT][ACGT]',
sequenceToRegex('*#!', wildcards='#*!'))
def testN(self):
"""
An 'N' should result in an ACGT regex.
"""
self.assertEqual('[ACGT]', sequenceToRegex('N'))
def testQuestionMark(self):
"""
A '?' should result in an ACGT regex.
"""
self.assertEqual('[ACGT]', sequenceToRegex('?'))
def testMixed(self):
"""
Mixed ambiguous and non-ambiguous characters should result in the
expected regex.
"""
self.assertEqual('A[AG]C[ACG]T', sequenceToRegex('ARCVT'))
def testTwoAmbiguous(self):
"""
Two ambiguous characters should result in the expected regex.
"""
self.assertEqual('[AG][ACG]', sequenceToRegex('RV'))
def testOneAmbiguous(self):
"""
One ambiguous characters should result in the expected regex.
"""
self.assertEqual('[AG]', sequenceToRegex('R'))
def testUnambiguous(self):
"""
An unambiguous string should result in an identical regex.
"""
self.assertEqual('ACGT', sequenceToRegex('ACGT'))
def testEmpty(self):
"""
The empty string should result in an empty regex.
"""
self.assertEqual('', sequenceToRegex(''))