Add in testing suite

game.js

@@ -79,12 +79,11 @@ function createGrid(width,height) {
 	return grid
 }
 
-function runBot() {
+function runBot(testing) {
 	//console.log(new Date().getTime())
-	if (lastGameUpdate<new Date().getTime()) {
-		//console.log("Update")
+	if (lastGameUpdate<new Date().getTime()||testing) {
 		lastGameUpdate=new Date().getTime()+gameSpeed
-		
+		//console.log("Update")
 		var nextSquare = {}
 		switch (BOT_DIR) {
 			case UP:{nextSquare = gameGrid[--BOT_Y][BOT_X];}break;
@@ -97,13 +96,13 @@ function runBot() {
 			if (nextSquare.type==="BRANCH") {
 				//console.log("Branch found")
 				if (BOT_TAPE[0].color===nextSquare.color1) {
-					console.log("Matches color1")
+					//console.log("Matches color1")
 					//Move towards left side of the branch.
 					BOT_DIR = LeftOf(nextSquare.direction)
 					ConsumeTape()
 				} else
 				if (BOT_TAPE[0].color===nextSquare.color2) {
-					console.log("Matches color2")
+					//console.log("Matches color2")
 					//Move towards left side of the branch.
 					BOT_DIR = RightOf(nextSquare.direction)
 					ConsumeTape()
@@ -111,12 +110,12 @@ function runBot() {
 			} else {
 				BOT_DIR = nextSquare.direction
 			}
-			console.log("Direction is now "+BOT_DIR)
+			//console.log("Direction is now "+BOT_DIR)
 		} else {
 			gameState = REVIEWING
 			BOT_STATE = DEAD
 		}
-		renderGame()
+		if (!testing){renderGame()}
 	}
 }
 
@@ -184,12 +183,4 @@ function LeftOf(dir) {
 function RightOf(dir) {
 	if (dir===0) {dir=4}
 	return (dir-1)%4
-}
-
-setupGame();
-loadLevel(LEVEL2,0,2)
-setInterval(()=>{
-	step()
-	draw()
-},1000/60)
-console.log("Running")
+}

game.test.js

@@ -0,0 +1,158 @@
+function loadScript(url, callback)
+{
+    var head = document.head;
+    var script = document.createElement('script');
+    script.type = 'text/javascript';
+    script.src = url;
+    script.onreadystatechange = callback;
+    script.onload = callback;
+    head.appendChild(script);
+}
+
+var testsPass=undefined;
+
+class describe {
+	constructor(testname) {
+		this.testname=testname
+		this.beforecb = undefined;
+		this.cb = undefined;
+		console.log(this.testname)
+	}
+	
+	beforeEach = (cb)=>{
+		this.beforecb = cb
+		return this
+	}
+	
+	it = (checkname,cb)=>{
+		console.log("->"+checkname)
+		this.beforecb()
+		this.cb=cb;
+		this.cb()
+		return this
+	}
+}
+
+function expect(testval1,testval2,test) {
+	if (testval1!==testval2) {
+		console.log("    Test Failed!")
+		testsPass=false
+	} else 
+	{
+		console.log("    Test Passed!")
+	}
+}
+
+function AllBlankSpaces(level) {
+	for (var x=0;x<level.length;x++) {
+		for (var y=0;y<level.length;y++) {
+			if (Object.keys(level[y][x]).length!==0) {
+				return false;
+			}
+		}
+	}
+	return true;
+}
+
+function runTests() {
+	console.log("Running test suite...")
+	new describe("Bot moving")
+	.beforeEach(()=>{
+		gameGrid=[]
+		gameState=WAITING
+		BOT_X=-1
+		BOT_Y=-1
+		BOT_DIR=RIGHT
+		BOT_STATE=ALIVE
+		BOT_TAPE=[{color:RED},{color:BLUE}]
+		lastGameUpdate=0
+	})
+	.it("Blank level exists.",()=>{
+		var starttime = new Date().getTime()
+		expect(AllBlankSpaces(LEVEL0),true)
+		console.log("    ("+(new Date().getTime()-starttime)+"ms)")
+	})
+	.it("Bot moves to the right initially.",()=>{
+		var starttime = new Date().getTime()
+		expect(function(){
+			gameGrid=createGrid(5,5)
+			placeBot(0,2)
+			runBot(true)
+			if (BOT_X===1&&BOT_Y===2) {
+				return true
+			} else {
+				return false
+			}
+		}(),true)
+		console.log("    ("+(new Date().getTime()-starttime)+"ms)")
+	})
+	.it("Bot obeys conveyor belt rules",()=>{
+		var starttime = new Date().getTime()
+		expect(function(){
+			loadLevel(LEVEL1,0,2)
+			for (var i=0;i<11;i++) {runBot(true)}
+			if (BOT_X===2&&BOT_Y===1) {
+				return true
+			} else {
+				return false
+			}
+		}(),true)
+		console.log("    ("+(new Date().getTime()-starttime)+"ms)")
+	})
+	.it("Bot obeys branch rules",()=>{
+		var starttime = new Date().getTime()
+		expect(function(){
+			loadLevel(LEVEL2,0,2)
+			for (var i=0;i<3;i++) {runBot(true)}
+			if (BOT_X===2&&BOT_Y===3) {
+				return true
+			} else {
+				return false
+			}
+		}(),true)
+		console.log("    ("+(new Date().getTime()-starttime)+"ms)")
+	})
+	.it("Bot obeys branch rules with different colored tape.",()=>{
+		var starttime = new Date().getTime()
+		expect(function(){
+			loadLevel(LEVEL2,0,2)
+			BOT_TAPE = [{color:BLUE}]
+			for (var i=0;i<3;i++) {runBot(true)}
+			if (BOT_X===2&&BOT_Y===1) {
+				return true
+			} else {
+				return false
+			}
+		}(),true)
+		console.log("    ("+(new Date().getTime()-starttime)+"ms)")
+	})
+	
+	if (testsPass===undefined) {
+		testsPass=true
+	}
+}
+
+
+function runGame() {	
+	setupGame();
+	loadLevel(LEVEL2,0,2)
+	setInterval(()=>{
+		step()
+		draw()
+	},1000/60)
+	console.log("Running")
+}
+
+loadScript("game.js",runTests)
+
+initializeGame()
+
+function initializeGame() {
+	if (testsPass) {
+		runGame()
+	} else {
+		setTimeout(()=>{
+			initializeGame()
+		},1000)
+	}
+}

index.html

@@ -1,4 +1,4 @@
 <body>
 	<div id="game"></div>
-	<script type="text/javascript" src="game.js"></script>
+	<script type="text/javascript" src="game.test.js"></script>
 </body>