def test_coverage_half_code_objects(known_data_mock, executor_mock,
trace_mock):
ff = BranchDistanceSuiteFitnessFunction(executor_mock)
known_data_mock.existing_code_objects[0] = MagicMock(CodeObjectMetaData)
known_data_mock.existing_code_objects[1] = MagicMock(CodeObjectMetaData)
trace_mock.executed_code_objects.add(0)
assert ff._compute_coverage(trace_mock, known_data_mock) == 0.5
def test_coverage_no_branch(known_data_mock, executor_mock, trace_mock):
ff = BranchDistanceSuiteFitnessFunction(executor_mock)
known_data_mock.existing_predicates[0] = MagicMock(PredicateMetaData)
assert ff._compute_coverage(trace_mock, known_data_mock) == 0.0
def test_coverage_none(known_data_mock, executor_mock, trace_mock):
ff = BranchDistanceSuiteFitnessFunction(executor_mock)
assert ff._compute_coverage(trace_mock, known_data_mock) == 1.0
