def m(self):
m = ConcreteModel()
m.meta_object = PropertyClassMetadata()
def get_metadata(self):
return m.meta_object
m.get_metadata = types.MethodType(get_metadata, m)
m.comp = Cation(default={"charge": +1})
return m
def test_not_electrolye(self):
m = ConcreteModel()
m.meta_object = PropertyClassMetadata()
def get_metadata(self):
return m.meta_object
m.get_metadata = types.MethodType(get_metadata, m)
with pytest.raises(
PropertyPackageError,
match="comp Ion Component types should only be used with "
"Aqueous Phases"):
m.comp = Cation(default={"_electrolyte": False})
def m(self):
m = ConcreteModel()
m.meta_object = PropertyClassMetadata()
m.meta_object.add_default_units({
'time': pyunits.s,
'length': pyunits.m,
'mass': pyunits.kg,
'amount': pyunits.mol,
'temperature': pyunits.K})
def get_metadata(self):
return m.meta_object
m.get_metadata = types.MethodType(get_metadata, m)
m.cation_set = Set()
m.comp = Cation(default={"charge": +1, "_electrolyte": True})
return m
def test_no_charge(self, m):
with pytest.raises(ConfigurationError,
match="cat was not provided with a value "
"for charge."):
m.cat = Cation()
def test_invalid_charge(self, m):
with pytest.raises(ConfigurationError,
match="cat received invalid value for charge "
"configuration argument."
" Cations must have a positive charge."):
m.cat = Cation(default={"charge": -1})
def test_no_charge(self, m):
with pytest.raises(ConfigurationError,
match="cat was not provided with a value "
"for charge."):
m.cat = Cation(default={"_electrolyte": True})