def test_issue_155(self):
"""
Langmuir.max_motive raises ValueError
There's a case where the `Langmuir.max_motive` method will raise a `ValueError`. Specifically when `self.critical_point_current_density() == self.calc_saturation_point_current_density()`. This condition is tested to ensure the `ValueError` is not raised.
See: https://github.com/jrsmith3/tec/issues/155
"""
em_params = {'barrier': 1.0,
'emissivity': 0.0,
'position': 0.0,
'richardson': 10.0,
'temp': 300.0,
'voltage': 0.0}
co_params = {'barrier': 1.0,
'emissivity': 0.0,
'position': 1.0,
'richardson': 10.0,
'temp': 300.0,
'voltage': 0.0}
em = Metal.from_dict(em_params)
co = Metal.from_dict(co_params)
l = Langmuir(em, co)
try:
l.max_motive()
except ValueError:
self.fail("Issue #155 not resolved")
def test_issue_155(self):
"""
Langmuir.max_motive raises ValueError
There's a case where the `Langmuir.max_motive` method will raise a `ValueError`. Specifically when `self.critical_point_current_density() == self.calc_saturation_point_current_density()`. This condition is tested to ensure the `ValueError` is not raised.
See: https://github.com/jrsmith3/tec/issues/155
"""
em_params = {
'barrier': 1.0,
'emissivity': 0.0,
'position': 0.0,
'richardson': 10.0,
'temp': 300.0,
'voltage': 0.0
}
co_params = {
'barrier': 1.0,
'emissivity': 0.0,
'position': 1.0,
'richardson': 10.0,
'temp': 300.0,
'voltage': 0.0
}
em = Metal.from_dict(em_params)
co = Metal.from_dict(co_params)
l = Langmuir(em, co)
try:
l.max_motive()
except ValueError:
self.fail("Issue #155 not resolved")
def test_from_dict_additional_arbitrary_keys(self):
"""
Metal.from_dict can be instantiated with additional arbitrary keys
"""
self.input_params["not_an_argument"] = "not_an_argument"
try:
el = Metal.from_dict(self.input_params)
except TypeError:
self.fail("Instantiation failed with additional arbitrary args")
def test_from_dict_additional_arbitrary_keys(self):
"""
Metal.from_dict can be instantiated with additional arbitrary keys
"""
self.input_params["not_an_argument"] = "not_an_argument"
try:
el = Metal.from_dict(self.input_params)
except TypeError:
self.fail("Instantiation failed with additional arbitrary args")
def test_from_dict_emissivity_non_numeric(self):
"""
Metal.from_dict instantiation requires numeric `emissivity` value
"""
self.input_params["emissivity"] = "this string is non-numeric."
try:
El = Metal.from_dict(self.input_params)
except TypeError:
# Attempting to instantiate a `tec.electrode.Metal` with a non-numeric `emissivity` argument raised a TypeError which is exactly what we wanted to do.
pass
else:
self.fail("Shouldn't be able to instantiate with non-numeric `emissivity` argument.")
def test_from_dict_emissivity_non_numeric(self):
"""
Metal.from_dict instantiation requires numeric `emissivity` value
"""
self.input_params["emissivity"] = "this string is non-numeric."
try:
El = Metal.from_dict(self.input_params)
except TypeError:
# Attempting to instantiate a `tec.electrode.Metal` with a non-numeric `emissivity` argument raised a TypeError which is exactly what we wanted to do.
pass
else:
self.fail(
"Shouldn't be able to instantiate with non-numeric `emissivity` argument."
)
