import pytest from pina.problem.zoo import AdvectionProblem from pina.problem import SpatialProblem, TimeDependentProblem @pytest.mark.parametrize("c", [1.5, 3]) def test_constructor(c): print(f"Testing with c = {c} (type: {type(c)})") problem = AdvectionProblem(c=c) problem.discretise_domain(n=10, mode="random", domains="all") assert problem.are_all_domains_discretised assert isinstance(problem, SpatialProblem) assert isinstance(problem, TimeDependentProblem) assert hasattr(problem, "conditions") assert isinstance(problem.conditions, dict) with pytest.raises(ValueError): AdvectionProblem(c="a")