def test_number_negatives_for_invalid_amino_acid_anywhere():
with pytest.raises(RuntimeError) as excinfo:
seq_features.number_negatives('AZK')
excinfo.match("Z is not a valid amino acid")
def test_number_negatives_for_lowercase():
"""Perform unit tests on number_negative for lowercase"""
assert seq_features.number_negatives('acklwttae') == 1
def test_number_negatives_single_E_or_D():
"""Perform unit tests on number_negative for single AA"""
assert seq_features.number_negatives('E') == 1
assert seq_features.number_negatives('D') == 1
def test_number_negatives_for_short_sequences():
"""Perform unit tests on number_negative for short sequence"""
assert seq_features.number_negatives('ACKLWTTAE') == 1
assert seq_features.number_negatives('DDDDEEEE') == 8
def test_low_pH():
assert seq_features.number_negatives('ACDDEK', pH=3) == 0
assert seq_features.number_negatives('ACDDEK', pH=5) == 3
def test_number_negatives_for_invalid_amino_acid():
with pytest.raises(RuntimeError) as excinfo:
seq_features.number_negatives('B')
excinfo.match(
"B is not a valid amino acid."
) # This is what we want the interpreter to say in this case.
def test_number_negatives_for_empty():
"""Perform unit tests on number_negative for empty entry"""
assert seq_features.number_negatives('') == 0
def test_number_negatives_for_invalid_amino_acid():
with pytest.raises(RuntimeError) as excinfo:
seq_features.number_negatives('GADEADBACTZ')
excinfo.match("B is not a valid amino acid")
def test_number_negatives_single_aa():
"""Perform unit tests on number_negatives() for single aa"""
assert sf.number_negatives('E') == 1
assert sf.number_negatives('D') == 1
def test_number_negatives_invalid_amino_acid():
"""Perform unit tests on number_negatives() for invalid aa"""
with pytest.raises(RuntimeError) as excinfo:
sf.number_negatives('Z')
excinfo.match('Z is not a valid aa you fuckface')
def test_number_negatives_lowercases():
"""Perform unit tests on number_negatives() for lower case aa"""
assert sf.number_negatives('adseds') == 3
def test_number_negatives_short_seq():
"""Perform unit tests on number_negatives() for short sequences"""
assert sf.number_negatives('EEEEEAAAAA') == 5