added type check

festim/generic_simulation.py

@@ -177,6 +177,10 @@ def T(self, value):
             self._T = value
         elif isinstance(value, (int, float, sp.Expr)):
             self._T = festim.Temperature(value)
+        else:
+            raise TypeError(
+                "accepted types for T attribute are int, float, sympy.Expr or festim.Temperature"
+            )
 
     def attribute_source_terms(self):
         """Assigns the source terms (in self.sources) to the correct field

test/simulation/test_initialise.py

@@ -205,3 +205,18 @@ def test_error_is_raised_when_no_temp():
 
     with pytest.raises(AttributeError, match="Temperature is not defined"):
         my_model.initialise()
+
+
+@pytest.mark.parametrize("value", ["coucou", [0, 0]])
+def test_wrong_type_temperature(value):
+    """
+    Creates a Simulation object and checks that a TypeError is raised
+    when the T attribute is given a value of the wrong type
+    """
+    my_model = F.Simulation()
+
+    with pytest.raises(
+        TypeError,
+        match="accepted types for T attribute are int, float, sympy.Expr or festim.Temperature",
+    ):
+        my_model.T = value