def test_active():
""" test that mover must be both active and on to get movement """
time_step = 15 * 60 # seconds
start_pos = (3., 6., 0.)
rel_time = datetime(2012, 8, 20, 13) # yyyy/month/day/hr/min/sec
sc = sample_sc_release(5, start_pos, rel_time)
# value is given as (r,theta)
time_val = np.zeros((1, ), dtype=datetime_value_2d)
time_val['time'] = np.datetime64(rel_time.isoformat())
time_val['value'] = (2., 25.)
wm = WindMover(environment.Wind(timeseries=time_val,
units='meter per second'), on=False)
wm.prepare_for_model_run()
wm.prepare_for_model_step(sc, time_step, rel_time)
delta = wm.get_move(sc, time_step, rel_time)
wm.model_step_is_done()
assert wm.active == False
assert np.all(delta == 0) # model_time + time_step = active_start
def test_active():
""" test that mover must be both active and on to get movement """
time_step = 15 * 60 # seconds
start_pos = (3., 6., 0.)
rel_time = datetime(2012, 8, 20, 13) # yyyy/month/day/hr/min/sec
sc = sample_sc_release(5, start_pos, rel_time)
# value is given as (r,theta)
time_val = np.zeros((1, ), dtype=datetime_value_2d)
time_val['time'] = rel_time
time_val['value'] = (2., 25.)
wm = WindMover(Wind(timeseries=time_val, units='meter per second'),
on=False)
wm.prepare_for_model_run()
wm.prepare_for_model_step(sc, time_step, rel_time)
delta = wm.get_move(sc, time_step, rel_time)
wm.model_step_is_done()
assert wm.active is False
assert np.all(delta == 0) # model_time + time_step = active_start
def test_timespan():
"""
Ensure the active flag is being set correctly and checked,
such that if active=False, the delta produced by get_move = 0
"""
time_step = 15 * 60 # seconds
start_pos = (3., 6., 0.)
rel_time = datetime(2012, 8, 20, 13) # yyyy/month/day/hr/min/sec
sc = sample_sc_release(5, start_pos, rel_time)
# value is given as (r,theta)
model_time = rel_time
time_val = np.zeros((1, ), dtype=datetime_value_2d)
time_val['time'] = rel_time
time_val['value'] = (2., 25.)
wm = WindMover(Wind(timeseries=time_val,
units='meter per second'),
active_range=(model_time + timedelta(seconds=time_step),
InfDateTime('inf')))
wm.prepare_for_model_run()
wm.prepare_for_model_step(sc, time_step, model_time)
delta = wm.get_move(sc, time_step, model_time)
wm.model_step_is_done()
assert wm.active is False
assert np.all(delta == 0) # model_time + time_step = active_start
wm.active_range = (model_time - timedelta(seconds=time_step / 2),
InfDateTime('inf'))
wm.prepare_for_model_step(sc, time_step, model_time)
delta = wm.get_move(sc, time_step, model_time)
wm.model_step_is_done()
assert wm.active is True
print '''\ntest_timespan delta \n{0}'''.format(delta)
assert np.all(delta[:, :2] != 0) # model_time + time_step > active_start
