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Contents
import unittest
from protein_translation import of_codon, of_rna
class ProteinTranslationTests(unittest.TestCase):
def test_AUG_translates_to_methionine(self):
self.assertEqual('Methionine', of_codon('AUG'))
def test_identifies_Phenylalanine_codons(self):
for codon in ['UUU', 'UUC']:
self.assertEqual('Phenylalanine', of_codon(codon))
def test_identifies_Leucine_codons(self):
for codon in ['UUA', 'UUG']:
self.assertEqual('Leucine', of_codon(codon))
def test_identifies_Serine_codons(self):
for codon in ['UCU', 'UCC', 'UCA', 'UCG']:
self.assertEqual('Serine', of_codon(codon))
def test_identifies_Tyrosine_codons(self):
for codon in ['UAU', 'UAC']:
self.assertEqual('Tyrosine', of_codon(codon))
def test_identifies_Cysteine_codons(self):
for codon in ['UGU', 'UGC']:
self.assertEqual('Cysteine', of_codon(codon))
def test_identifies_Tryptophan_codons(self):
self.assertEqual('Tryptophan', of_codon('UGG'))
def test_identifies_stop_codons(self):
for codon in ['UAA', 'UAG', 'UGA']:
self.assertEqual('STOP', of_codon(codon))
def test_translates_rna_strand_into_correct_protein(self):
strand = 'AUGUUUUGG'
expected = ['Methionine', 'Phenylalanine', 'Tryptophan']
self.assertEqual(expected, of_rna(strand))
def test_stops_translation_if_stop_codon_present(self):
strand = 'AUGUUUUAA'
expected = ['Methionine', 'Phenylalanine']
self.assertEqual(expected, of_rna(strand))
def test_stops_translation_of_longer_strand(self):
strand = 'UGGUGUUAUUAAUGGUUU'
expected = ['Tryptophan', 'Cysteine', 'Tyrosine']
self.assertEqual(expected, of_rna(strand))
def test_invalid_codons(self):
with self.assertRaises(ValueError):
of_rna('CARROT')
if __name__ == '__main__':
unittest.main()
Version data entries
111 entries across 111 versions & 1 rubygems