def test_get_alphabet_default(self):
"""Should return default alphabet if none defined for position"""
#SearchPathHelper.alphabets has only a default entry
test = SearchPath(SearchPathHelper.alphabets)
real_alph = test._get_alphabet(0)
correct_alph = SearchPathHelper.alphabets[SearchPath.DEFAULT_KEY]
self.assertEquals(str(real_alph), str(correct_alph))
def test_get_alphabet_exists(self):
"""Should return alphabet for position when one exists"""
alph1 = "G"
alph2 = "ACGT"
test_alphs = {0:alph1, 2:alph1, SearchPath.DEFAULT_KEY:alph2}
test = SearchPath(test_alphs)
real_alph = test._get_alphabet(2)
self.assertEquals(str(real_alph), alph1)
