public void get_message_with_substitutions()
        {
            var message = new NotificationMessage(NotificationMessageKeys.SUBSTITUTE_NAME_AND_AGE)
                .AddSubstitution("Name", "Max")
                .AddSubstitution("Age", "7");

            message.GetMessage().ShouldBe("Max is 7 years old");
        }
 public void get_message_without_subsitutions()
 {
     var message = new NotificationMessage(NotificationMessageKeys.NO_SUBSTITUTION);
     message.GetMessage().ShouldBe(NotificationMessageKeys.NO_SUBSTITUTION.ToString());
 }
 public void create_by_string()
 {
     var message = new NotificationMessage("Some message");
     message.GetMessage().ShouldBe("Some message");
 }