def test_reverse_complement_gives_correct_sequence(self):
"""
Test reverse complement method with test sequences
"""
dna_util_obj = DnaUtil(TEST_FWD_SEQ)
expected = TEST_REV_COMP_SEQ
actual = dna_util_obj.reverse_complement()
self.assertEqual(expected, actual)
def test_reverse_complement_from_extra_dataset(self):
"""
Test reverse_complement method with 'Extra' dataset
"""
file_util_obj = FileUtil(FIXTURE2_FPATH)
inputs = file_util_obj.inputs
expected = file_util_obj.outputs[0]
sequence_obj = DnaUtil(inputs[0])
actual = sequence_obj.reverse_complement()
self.assertEqual(expected, actual)
def test_locate_pattern_from_dataset_four(self):
"""
Test locate_pattern method with 'Test' dataset four
"""
file_util_obj = FileUtil(FIXTURE8_FPATH)
inputs = file_util_obj.inputs
expected = [int(i) for i in file_util_obj.outputs]
sequence_obj = DnaUtil(inputs[1])
actual = sequence_obj.locate_pattern_in_sequence(inputs[0])
self.assertEqual(expected, actual)
def test_raises_value_error_when_supplied_bad_sequence(self):
"""
Test that DnaUtil.__init__ raises ValueError when given bad sequence
"""
with self.assertRaises(ValueError) as c:
DnaUtil(BAD_DNA)
self.assertTrue(
"IUPAC non-ambiguous DNA characters required" in c.exception)
def test_object_created_with_lowercase_dna_sequence(self):
"""
Test with a 'good lowercase' DNA sequence
"""
dna_util_obj = DnaUtil(LOWER_DNA)
expected = GOOD_DNA
actual = dna_util_obj.sequence
self.assertEqual(expected, actual)
def test_object_created_with_good_dna_sequence(self):
"""
Test with a 'good' expected DNA sequence
"""
dna_util_obj = DnaUtil(GOOD_DNA)
expected = GOOD_DNA
actual = dna_util_obj.sequence
self.assertEqual(expected, actual)