def test_special_property(self):
frame = johnson_three_machines_generator(count_jobs=2)
min_proc_time1 = min([frame.get_processing_time(idx_job, 0)
for idx_job in range(frame.count_jobs)])
max_proc_time = max([frame.get_processing_time(idx_job, 1)
for idx_job in range(frame.count_jobs)])
min_proc_time2 = min([frame.get_processing_time(idx_job, 2)
for idx_job in range(frame.count_jobs)])
assert min_proc_time1 > max_proc_time
assert min_proc_time2 > max_proc_time
def test_initial_seed(self, initial_seed):
frame = johnson_three_machines_generator(count_jobs=5,
initial_seed=initial_seed)
assert initial_seed == frame.initial_seed
def test_nan_initial_seed(self, count_jobs):
frame1 = johnson_three_machines_generator(count_jobs)
frame2 = johnson_three_machines_generator(count_jobs,
frame1.initial_seed)
tm.assert_js_frame(frame1, frame2)
def test_count_jobs_and_machines(self, count_jobs):
frame = johnson_three_machines_generator(count_jobs)
assert count_jobs == frame.count_jobs
assert 3 == frame.count_machines
def test_bad_count_jobs_machines(self):
msg = 'count_jobs must be greater than zero'
with pytest.raises(ValueError, match=msg):
johnson_three_machines_generator(count_jobs=-1)
def test_bad_initial_seed(self, count_jobs, initial_seed):
msg = 'initial_seed must be a integer'
with pytest.raises(ValueError, match=msg):
johnson_three_machines_generator(count_jobs, initial_seed)