def test_count_characters_search_for_not_Strings(self):
with self.assertRaises(TypeError) as cm:
bio = Bioinfo(test_fasta_dna)
bio.count_characters(1,2,3,4)
self.assertEqual(type(cm.exception), TypeError)
def test_count_characters_search_for_Strings(self):
bio = Bioinfo(test_fasta_dna)
self.assertTrue(bio.count_characters("A", "T", "G", "C", "AAA"))