Fix simple simulator tests

simulator/ZombieSurvival.spec.ts

@@ -18,7 +18,7 @@ test("fails on invalid map", () => {
         [" ", " ", " ", " ", " ", " ", " ", " ", " ", " "],
         [" ", " ", " ", " ", " ", " ", " ", " ", " ", " "],
       ]),
-  ).toThrowError("Map has no player");
+  ).toThrowError("Single player map has no player");
 
   expect(
     () =>
@@ -33,7 +33,7 @@ test("fails on invalid map", () => {
         [" ", " ", " ", " ", " ", " ", " ", " ", " ", " "],
         [" ", " ", " ", " ", " ", " ", " ", " ", " ", " "],
       ]),
-  ).toThrowError("Map contains multiple players");
+  ).toThrowError("Single player map contains multiple players");
 
   expect(
     () =>
@@ -64,7 +64,9 @@ test("fails on impossible to beat map", () => {
     [" ", " ", " ", " ", " ", " ", " ", " ", " ", " "],
   ]);
 
-  expect(() => game.step()).toThrowError("Unable to solve game");
+  expect(() => game.step()).toThrowError(
+    "Unable to find path for the next move",
+  );
 });
 
 test("works with different boards sizes", () => {

simulator/ZombieSurvival.ts

@@ -1,3 +1,4 @@
+import { entityAt } from "../lib/entityAt";
 import { allDirections, move } from "./Direction";
 import { type Entity } from "./Entity";
 import { type Position } from "./Position";
@@ -6,7 +7,6 @@ import { Landmine } from "./entities/Landmine";
 import { Player } from "./entities/Player";
 import { Rock } from "./entities/Rock";
 import { Zombie } from "./entities/Zombie";
-import { entityAt } from "@/lib/entityAt";
 
 export interface ZombieSurvivalOptions {
   multiplayer?: boolean;
@@ -32,9 +32,9 @@ export class ZombieSurvival {
 
     for (let y = 0; y < this.boardHeight; y++) {
       for (let x = 0; x < this.boardWidth; x++) {
-        const code = map[y][x].toLowerCase();
+        const code = map[y][x];
 
-        switch (code) {
+        switch (code.toLowerCase()) {
           case "b": {
             this.entities.push(new Box({ x, y }));
             break;

simulator/entities/Player.ts

@@ -1,7 +1,7 @@
+import { closestEntity } from "../../lib/closestEntity";
 import { Entity, EntityType } from "../Entity";
 import { type Position } from "../Position";
 import { type ZombieSurvival } from "../ZombieSurvival";
-import { closestEntity } from "@/lib/closestEntity";
 
 export class Player extends Entity {
   public static Destructible = true;

simulator/entities/Zombie.ts

@@ -1,8 +1,8 @@
+import { entityAt } from "../../lib/entityAt";
 import { type Direction, allDirections, move } from "../Direction";
 import { Entity, EntityType } from "../Entity";
 import { type Position } from "../Position";
 import { type ZombieSurvival } from "../ZombieSurvival";
-import { entityAt } from "@/lib/entityAt";
 
 export class Zombie extends Entity {
   public static Destructible = true;