def test_add_fluid():
net = pandapipes.create_empty_network()
fluid_old = pandapipes.call_lib("air")
with pytest.raises(AttributeError, match="no fluid"):
pandapipes.get_fluid(net)
_add_fluid_to_net(net, fluid_old)
fluid_new = pandapipes.create_constant_fluid("arbitrary_gas2",
"gas",
density=2,
compressibility=2)
_add_fluid_to_net(net, fluid_new, overwrite=False)
assert pandapipes.get_fluid(net) == fluid_old
_add_fluid_to_net(net, fluid_new)
assert pandapipes.get_fluid(net) == fluid_new
net["fluid"] = "Hello"
_add_fluid_to_net(net, fluid_new, overwrite=False)
assert pandapipes.get_fluid(net) == "Hello"
_add_fluid_to_net(net, fluid_new)
assert pandapipes.get_fluid(net) == fluid_new
def test_add_fluid():
net = pandapipes.create_empty_network()
fluid_old = pandapipes.call_lib("air")
try:
pandapipes.get_fluid(net)
assert False, "should'nt get here"
except UserWarning:
pass
pandapipes.add_fluid_to_net(net, fluid_old)
fluid_new = pandapipes.create_constant_fluid("arbitrary_gas2",
"gas",
density=2,
compressibility=2)
pandapipes.add_fluid_to_net(net, fluid_new, overwrite=False)
assert pandapipes.get_fluid(net) == fluid_old
pandapipes.add_fluid_to_net(net, fluid_new)
assert pandapipes.get_fluid(net) == fluid_new
net["fluid"] = "Hello"
pandapipes.add_fluid_to_net(net, fluid_new, overwrite=False)
assert pandapipes.get_fluid(net) == "Hello"
pandapipes.add_fluid_to_net(net, fluid_new)
assert pandapipes.get_fluid(net) == fluid_new
def test_fluid_exceptions():
net = pandapipes.create_empty_network(fluid="hgas")
fluid = pandapipes.get_fluid(net)
with pytest.raises(UserWarning,
match="property xyz was not defined for the fluid"):
fluid.get_property("xyz", 100)
prop = pandapipes.FluidProperty()
with pytest.raises(NotImplementedError,
match="Please implement a proper fluid property!"):
prop.get_at_value(100)
with pytest.raises(
AttributeError,
match="Fluid 'natural_gas' not found in the fluid library."):
pandapipes.call_lib("natural_gas")
def test_fluid_exceptions():
net = pandapipes.create_empty_network(fluid="hgas")
fluid = pandapipes.get_fluid(net)
try:
fluid.get_property("xyz", 100)
assert False, "Shouldn't find property xyz!"
except UserWarning:
pass
prop = pandapipes.FluidProperty()
try:
prop.get_property(100)
assert False, "Shouldn't have property defined!"
except NotImplementedError:
pass
try:
pandapipes.call_lib("natural_gas")
assert False, "Shouldn't have fluid natural_gas defined in lib!"
except AttributeError:
pass