Method test_append_failures

test/python/test_thermo.py:2359–2399

(self)

        assert states.shape == (2,)

    def test_append_failures(self):
        states = ct.SolutionArray(self.gas, 5, extra={"prop": "value"})
        states.TPX = np.linspace(500, 1000, 5), 2e5, 'H2:0.5, O2:0.4'
        assert states.shape == (5,)

        with pytest.raises(TypeError, match="Missing keyword arguments for extra"):
            states.append(T=1100, P=3e5, X="AR:1.0")
        # Failing to append a state shouldn't change the size
        assert states.shape == (5,)

        with pytest.raises(KeyError, match="does not specify"):
            # I is not a valid property
            states.append(TPI=(1100, 3e5, "AR:1.0"), prop="value2")
        # Failing to append a state shouldn't change the size
        assert states.shape == (5,)

        with pytest.raises(KeyError, match="is not a valid"):
            # I is not a valid property
            states.append(T=1100, P=3e5, I="AR:1.0", prop="value2")
        # Failing to append a state shouldn't change the size
        assert states.shape == (5,)

        with pytest.raises(ct.CanteraError, match="incompatible value"):
            # prop has incompatible dimensions
            states.append(T=1100, P=3e5, X="AR:1.0", prop=[1, 2, 3])
        # Failing to append a state shouldn't change the size
        assert states.shape == (5,)

        states = ct.SolutionArray(self.gas, 1, extra={"prop": [1, 2, 3]})
        with pytest.raises(ct.CanteraError, match="incompatible value"):
            # prop has incorrect type (no implicit conversion; changed from Cantera 2.6)
            states.append(T=1100, P=3e5, X="AR:1.0", prop=['a', 'b', 'c'])
        # Failing to append a state shouldn't change the size
        assert states.shape == (1,)

        states = ct.SolutionArray(self.gas, 1, extra={"prop": [1, 2, 3]})
        with pytest.raises(ct.CanteraError, match="does not match"):
            # prop has incorrect dimensions
            states.append(T=1100, P=3e5, X="AR:1.0", prop=[1, 2])
        # Failing to append a state shouldn't change the size
        assert states.shape == (1,)

    def test_purefluid(self):
        water = ct.Water()