def test_is_port_errors():
# Test that is_port returns errors when not given a Port
with pytest.raises(ConfigurationError):
is_port("foo") # str
with pytest.raises(ConfigurationError):
is_port(["foo", "bar"]) # list of strs
with pytest.raises(ConfigurationError):
is_port({"foo": "bar"}) # dict
with pytest.raises(ConfigurationError):
is_port(1.0) # float
with pytest.raises(ConfigurationError):
is_port(1) # int
def test_is_port():
# Test that is_port passes a valid port
m = ConcreteModel()
m.c = Port()
assert isinstance(is_port(m.c), Port)