kind of test

RunThroughResults.txt

@@ -1,9 +1,6 @@
-Sample Run Through
-
->IPA1 sample.xml
 You find yourself at the mouth of a cave and decide that in spite of common sense and any sense of self preservation that you're going to go exploring north into it.  It's a little dark, but luckily there are some torches on the wall.
 >e
-Can’t go that way.
+Can't go that way.
 >N
 Error
 >n
@@ -34,7 +31,7 @@ Error
 >attack gnome with face!
 Error
 >w
-Can’t go that way.
+Can't go that way.
 >read chest
 Error
 >attack chest with torch
@@ -48,9 +45,9 @@ chest contains explosive.
 >take explosive
 Item explosive added to inventory.
 >open chest
-chest is empty.
+chest is empty
 >i
-Inventory: torch, explosive
+Inventory: explosive, torch
 >attack gnome with explosive
 Error
 >read explosive

pom.xml

@@ -7,6 +7,14 @@
     <groupId>com.github.dtschust</groupId>
     <artifactId>zork</artifactId>
     <version>1.0.0</version>
+    <dependencies>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
 
     <properties>
         <maven.compiler.source>11</maven.compiler.source>

short.txt

@@ -0,0 +1,9 @@
+You find yourself at the mouth of a cave and decide that in spite of common sense and any sense of self preservation that you're going to go exploring north into it.  It's a little dark, but luckily there are some torches on the wall.
+>e
+Can't go that way.
+>N
+Error
+>n
+*stumble* need some light...
+>i
+Inventory: empty

src/main/java/com/github/dtschust/zork/Zork.java

@@ -40,7 +40,6 @@ public class Zork {
 
         /* There is no stopping in Zork, until we're done!!*/
         while (true) {
-            skip = false;
             userInput = source.nextLine();
 
             /*Now that we have the user command, check the input*/
@@ -72,7 +71,7 @@ public class Zork {
 
     /* Execute a user action or an action command from some <action> element that is not one of the "Special Commands"*/
     public void action(String input) {
-        int i, j, k, l, x, y, z;
+        int y;
         String tempString;
         ZorkContainer tempContainer;
 
@@ -231,7 +230,7 @@ public class Zork {
 
         /*Variable initialization*/
         boolean skip = false;
-        int i, j, k, l, x, y, z;
+        int x, y;
         ZorkTrigger tempTrigger;
         ZorkContainer tempContainer;
 

src/main/java/com/github/dtschust/zork/parser/ZorkGame.java

@@ -13,6 +13,6 @@ public class ZorkGame {
     public HashMap<String, ZorkCreature> Creatures = new HashMap<>();
     public HashMap<String, String> Inventory = new HashMap<>();
     public HashMap<String, String> ObjectLookup = new HashMap<>();
-    public String currentRoom;
-    public File file;
+
+
 }

src/test/java/com/github/dtschust/zork/ZorkTest.java

@@ -0,0 +1,138 @@
+package com.github.dtschust.zork;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.*;
+import java.util.Scanner;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * Not really nice but works
+ * TODO: The test result should be success instead of terminated  ?WHY?
+ * TODO: when looking at inventory (i) we are relying on the HashMap order, so the test may fail !UNSAFE!
+ */
+class ZorkTest {
+
+    @Test
+    public void testRunThroughResults() {
+        CommandReader run = new CommandReader("RunThroughResults.txt");
+        GamePlayer game = new GamePlayer("sampleGame.xml", false);
+        while(true){
+            switch(run.getInstructionType()) {
+                case SEND:
+                    game.write(run.getInstruction());
+                    break;
+                case RECV:
+                    assertEquals(run.getInstruction(), game.read());
+                    break;
+                default:
+                    return;
+            }
+        }
+    }
+
+
+    /**
+     * CommandReader reads the .txt file containing expected input and output
+     */
+     static class CommandReader{
+        private String instruction;
+        private static Scanner scanner;
+
+        public enum Type{ SEND, RECV, END }
+
+        /** CommandReader Constructor
+         * @param filename file containing command sent (with leading ">") and expected responses
+         */
+        CommandReader(String filename) {
+            try {
+                scanner = new Scanner(new File(filename));
+            } catch (FileNotFoundException e){
+                e.printStackTrace();
+            }
+        }
+
+        /**
+         * @return Type of the next instruction:
+         *             - END if the game ended
+         *             - SEND if it's th command to send
+         *             - RECV if it's a game output
+         */
+        public Type getInstructionType(){
+            if(!scanner.hasNextLine())
+                return Type.END;
+            instruction = scanner.nextLine();
+            if(instruction.startsWith(">")) {
+                instruction = instruction.substring(1);
+                return Type.SEND;
+            }
+
+            return Type.RECV;
+        }
+
+        /** Returns a text line (can be both an input or output depending on the Type)
+         * @return The next text line
+         */
+        public String getInstruction() {
+            return instruction;
+        }
+    }
+
+    /**
+     * GamePlayer start the game and holds a communication interface to interact to it
+     */
+    static class GamePlayer {
+        public final PrintStream console;
+        private PrintStream printer;
+        private BufferedReader reader;
+        private final boolean verbose;
+
+
+        /** GamePlayer Constructor
+         * @param filename name of the game configuration .xml file
+         * @param verbose should log on the console all command sent to / received by the game
+         */
+        public GamePlayer(String filename, boolean verbose) {
+            this.verbose = verbose;
+            console = System.out;
+            try{
+                final PipedOutputStream testInput = new PipedOutputStream();
+                final PipedOutputStream out = new PipedOutputStream();
+                final PipedInputStream testOutput = new PipedInputStream(out);
+                System.setIn(new PipedInputStream(testInput));
+                System.setOut(new PrintStream(out));
+                printer = new PrintStream(testInput);
+                reader = new BufferedReader(new InputStreamReader(testOutput));
+            } catch (IOException e) {
+                e.printStackTrace(console);
+            }
+
+            new Thread(() -> new Zork(filename)).start();
+        }
+
+        /** Sends a command to the game (and print it if verbose)
+         * @param line text to send to the game
+         */
+        public void write(String line) {
+            printer.println(line);
+            if(verbose)
+                console.println("> " + line);
+        }
+
+        /** Receive a command from the game (and print it if verbose)
+         * @return line of text sent by the game
+         */
+        public String read() {
+            String line = null;
+            try{
+                line = reader.readLine();
+                if(verbose)
+                    console.println("< " + line);
+            } catch (IOException e) {
+                e.printStackTrace(console);
+            }
+            return line;
+        }
+    }
+}