def _after_test_case_execution(
self, test_case: tc.TestCase, result: res.ExecutionResult
) -> None:
"""Collect the execution trace after each executed test case."""
result.execution_trace = self._tracer.get_trace()
for observer in self._observers:
observer.after_test_case_execution(test_case, result)
def _collect_execution_trace(self, result: res.ExecutionResult):
"""
Collect the fitness after each execution.
Also clear the tracking results so far.
"""
result.execution_trace = self._tracer.get_trace()
self._tracer.clear_trace()
def test_compute_fitness_values(known_data_mock, executor_mock, trace_mock):
tracer = MagicMock()
tracer.get_known_data.return_value = known_data_mock
executor_mock.tracer.return_value = tracer
ff = BranchDistanceTestCaseFitnessFunction(executor_mock)
indiv = MagicMock()
with mock.patch.object(ff, "_run_test_case_chromosome") as run_suite_mock:
result = ExecutionResult()
result.execution_trace = trace_mock
run_suite_mock.return_value = result
assert ff.compute_fitness_values(indiv) == FitnessValues(0, 1)
run_suite_mock.assert_called_with(indiv)
def test_compute_fitness_values_mocked(known_data_mock, executor_mock,
trace_mock):
tracer = MagicMock()
tracer.get_known_data.return_value = known_data_mock
executor_mock.tracer.return_value = tracer
goal = MagicMock(bcg.AbstractBranchCoverageGoal)
goal.get_distance.return_value = cfd.ControlFlowDistance(1, 2)
ff = bctf.BranchCoverageTestFitness(executor_mock, goal)
indiv = MagicMock()
with mock.patch.object(ff, "_run_test_case_chromosome") as run_suite_mock:
result = ExecutionResult()
result.execution_trace = trace_mock
run_suite_mock.return_value = result
fitness_values = ff.compute_fitness_values(indiv)
assert fitness_values.coverage == 0
assert pytest.approx(1.666666, fitness_values.fitness)
run_suite_mock.assert_called_with(indiv)