fix stack overflow caused by parsing again again; fix grammar issue w…

…hen trying to open a non-container; improve tests

src/game.rs

@@ -673,7 +673,7 @@ impl Game {
     // TODO: equip
     fn parse(&mut self, action: &Action) -> Outcome {
         match action {
-            Action::Again => self.parse(&self.last_command.action().clone()), // FIXME
+            Action::Again => self.parse_again(),
             Action::Attack(noun, obj) => Outcome::Active(self.parse_attack(noun, obj)),
             Action::Break(_) => Outcome::Active("You can't do that yet.".to_owned()),
             Action::Clarify(message) => Outcome::Idle(message.to_owned()),
@@ -700,6 +700,14 @@ impl Game {
         }
     }
 
+    fn parse_again(&mut self) -> Outcome {
+        if let Action::Again = self.last_command.action() {
+            Outcome::Idle("Excuse me?".to_owned())
+        } else {
+            self.parse(&self.last_command.action().clone())
+        }
+    }
+
     fn parse_attack(&mut self, noun: &str, obj: &str) -> String {
         find!(self, "attack", noun, in_room, obj, holding, attack);
 

src/item.rs

@@ -87,7 +87,7 @@ impl Item {
             Container::Closed => {
                 format!("The {} is already closed.", self.name())
             }
-            _ => format!("You cannot do that to a {}.", self.name()),
+            _ => format!("You cannot do that to the {}.", self.name()),
         }
     }
 
@@ -218,7 +218,7 @@ impl Item {
                     "Opened.".to_owned()
                 }
             }
-            _ => format!("You cannot do that to a {}.", self.name()),
+            _ => format!("You cannot do that to the {}.", self.name()),
         }
     }
 

src/world.ron

@@ -40,7 +40,7 @@
         dest: "BRIG",
         door: "BRIG DOOR",
     ),
-    "ROOT BEER BARRELS": ( // FIXME: english
+    "ROOT BEER BARRELS": (
         desc: "You can detect the slight scent of root beer.",
         names: ["barrels", "root beer", "crates"],
         locations: ["HOLD 1", "HOLD 2"],

tests/test.rs

@@ -6,8 +6,7 @@ mod tests {
     fn test() {
         let mut game: Game = include_str!("world.ron").parse().unwrap();
 
-        let excuse_me = ["", "a", "and", "a and", "and a"];
-        for s in excuse_me {
+        for s in ["", "a", "and", "a and", "and a"] {
             assert_eq!(game.ask(s), "Excuse me?");
         }
 
@@ -19,13 +18,15 @@ mod tests {
     fn look() {
         let mut game: Game = include_str!("world.ron").parse().unwrap();
 
-        let expected = "Center Room\nYou are in the center room.\nThere is a box here.";
         for s in [
             "l",           // alias
             "look",        // look command
             "look around", // long form
         ] {
-            assert_eq!(game.ask(s), expected);
+            assert_eq!(
+                game.ask(s),
+                "Center Room\nYou are in the center room.\nThere is a box here."
+            );
         }
     }
 
@@ -101,6 +102,13 @@ mod tests {
         assert_eq!(game.ask("put apple in apple"), "Impossible.");
         assert_eq!(game.ask("put box in box"), "Impossible.");
 
+        // try to open/close non-container
+        assert_eq!(
+            game.ask("open the apple"),
+            "You cannot do that to the apple."
+        );
+        assert_eq!(game.ask("close apple"), "You cannot do that to the apple.");
+
         // close
         assert_eq!(game.ask("close box"), "Closed.");
 
@@ -162,4 +170,12 @@ mod tests {
             "You hit the self with your dagger."
         );
     }
+
+    #[test]
+    fn again() {
+        let mut game: Game = include_str!("world.ron").parse().unwrap();
+
+        game.ask("take it");
+        game.ask("again"); // make sure nothing funny happens
+    }
 }