auu

test/helpers/app-source.js

@@ -0,0 +1,46 @@
+'use strict';
+const fs=require('fs');
+const path=require('path');
+const vm=require('vm');
+const root=path.resolve(__dirname,'../..');
+const read=name=>fs.readFileSync(path.join(root,name),'utf8');
+const app=read('app.js'),html=read('index.html'),css=read('style.css'),worker=read('puzzle-worker.js'),appLogicSource=read('app-logic.js');
+function assert(value,message){if(!value)throw new Error(message)}
+function functionSource(name,source=app){
+  let start=source.indexOf(`async function ${name}(`);if(start<0)start=source.indexOf(`function* ${name}(`);if(start<0)start=source.indexOf(`function ${name}(`);
+  assert(start>=0,`Missing ${name}`);
+  let paren=source.indexOf('(',start),parenDepth=0,body=-1;
+  for(let i=paren;i<source.length;i++){
+    if(source[i]==='(')parenDepth++;
+    else if(source[i]===')'&&--parenDepth===0){body=source.indexOf('{',i);break}
+  }
+  assert(body>=0,`Missing body for ${name}`);let depth=0;
+  for(let i=body;i<source.length;i++){
+    if(source[i]==='{')depth++;
+    else if(source[i]==='}'&&--depth===0)return source.slice(start,i+1);
+  }
+  throw new Error(`Unclosed ${name}`);
+}
+function createContext(context={}){vm.createContext(context);return context}
+function runFunctions(names,context,expose=names){
+  createContext(context);
+  const sources=names.map(name=>functionSource(name)).join('\n');
+  vm.runInContext(`${sources}\nthis.logic={${expose.join(',')}};`,context);
+  return context.logic;
+}
+function loadBendPuzzle(){
+  delete global.BendPuzzle;
+  delete require.cache[require.resolve(path.join(root,'puzzle-core.js'))];
+  require(path.join(root,'puzzle-core.js'));
+  return global.BendPuzzle;
+}
+function loadAppLogic(){
+  delete require.cache[require.resolve(path.join(root,'app-logic.js'))];
+  return require(path.join(root,'app-logic.js'));
+}
+function starterPuzzle(){
+  const match=app.match(/const STARTER_PUZZLE=Object\.freeze\((\{.*\})\);\nconst SCORE_VERSION/s);
+  assert(match,'Bundled origin puzzle missing');
+  return JSON.parse(match[1]);
+}
+module.exports={root,read,app,html,css,worker,appLogicSource,assert,functionSource,createContext,runFunctions,loadBendPuzzle,loadAppLogic,starterPuzzle,vm,path,fs};