public void Deserialize_Invalid_Format()
{
// arrange
var type = new FieldSetType();
const string serialized = "1";
// act
void Action() => type.Deserialize(serialized);
// assert
Assert.Throws <SerializationException>(Action);
}
public void Deserialize()
{
// arrange
var type = new FieldSetType();
const string serialized = "a b c d e(d: $b)";
// act
object?selectionSet = type.Deserialize(serialized);
// assert
Assert.IsType <SelectionSetNode>(selectionSet);
}