def test_dhd_sensibility_is_affected_by_leaf_temperature_only_within_restricted_bounds():
low_temperature_bound = 35
high_temperature_bound = 40
value_at_lowest_bound = exchange.dHd_sensibility(psi=-2.0,
temp=low_temperature_bound, dhd_max=200.,
dhd_inhib_beg=195., dHd_inhib_max=190.,
psi_inhib_beg=-.75, psi_inhib_max=-2.,
temp_inhib_beg=35, temp_inhib_max=40)
value_at_highest_bound = exchange.dHd_sensibility(psi=-2.0,
temp=high_temperature_bound, dhd_max=200.,
dhd_inhib_beg=195., dHd_inhib_max=190.,
psi_inhib_beg=-.75, psi_inhib_max=-2.,
temp_inhib_beg=35, temp_inhib_max=40)
for temperature in range(0, 50):
if temperature < low_temperature_bound:
assert value_at_lowest_bound == exchange.dHd_sensibility(psi=-2.0,
temp=temperature, dhd_max=200.,
dhd_inhib_beg=195., dHd_inhib_max=190.,
psi_inhib_beg=-.75, psi_inhib_max=-2.,
temp_inhib_beg=35, temp_inhib_max=40)
elif temperature < high_temperature_bound:
assert value_at_lowest_bound >= exchange.dHd_sensibility(psi=-2.0,
temp=temperature, dhd_max=200.,
dhd_inhib_beg=195., dHd_inhib_max=190.,
psi_inhib_beg=-.75, psi_inhib_max=-2.,
temp_inhib_beg=35, temp_inhib_max=40)
else:
assert value_at_highest_bound == exchange.dHd_sensibility(psi=-2.0,
temp=temperature, dhd_max=200.,
dhd_inhib_beg=195., dHd_inhib_max=190.,
psi_inhib_beg=-.75, psi_inhib_max=-2.,
temp_inhib_beg=35, temp_inhib_max=40)
def test_dhd_sensibility_is_not_affected_by_leaf_temperature_increases_when_leaf_water_potential_is_optimal():
value_at_optimal_psi = exchange.dHd_sensibility(psi=0.0,
temp=25, dhd_max=200.,
dhd_inhib_beg=195., dHd_inhib_max=190.,
psi_inhib_beg=-.75, psi_inhib_max=-2.,
temp_inhib_beg=35, temp_inhib_max=40)
for temperature in range(0, 50):
assert value_at_optimal_psi == exchange.dHd_sensibility(psi=0.0,
temp=temperature, dhd_max=200.,
dhd_inhib_beg=195., dHd_inhib_max=190.,
psi_inhib_beg=-.75, psi_inhib_max=-2.,
temp_inhib_beg=35, temp_inhib_max=40)
def test_dhd_sensibility_is_affected_by_leaf_temperature_when_leaf_water_potential_is_below_its_minimum_threshold():
value_at_optimal_psi = exchange.dHd_sensibility(psi=0.0,
temp=25, dhd_max=200.,
dhd_inhib_beg=195., dHd_inhib_max=190.,
psi_inhib_beg=-.75, psi_inhib_max=-2.,
temp_inhib_beg=35, temp_inhib_max=40)
for temperature in range(0, 50):
assert value_at_optimal_psi > exchange.dHd_sensibility(psi=-2.0,
temp=temperature, dhd_max=200.,
dhd_inhib_beg=195., dHd_inhib_max=190.,
psi_inhib_beg=-.75, psi_inhib_max=-2.,
temp_inhib_beg=35, temp_inhib_max=40)
def test_dhd_sensibility_decreases_as_leaf_water_potential_decreases():
prev_value = exchange.dHd_sensibility(psi=0.0,
temp=25, dhd_max=200.,
dhd_inhib_beg=195., dHd_inhib_max=190.,
psi_inhib_beg=-.75, psi_inhib_max=-2.,
temp_inhib_beg=35, temp_inhib_max=40)
for psi in arange(0, -3, -0.1):
act_value = exchange.dHd_sensibility(psi,
temp=25, dhd_max=200.,
dhd_inhib_beg=195., dHd_inhib_max=190.,
psi_inhib_beg=-.75, psi_inhib_max=-2.,
temp_inhib_beg=35, temp_inhib_max=40)
assert act_value <= prev_value
prev_value = act_value