Issue 4878 - Start using ESLint for adblockpluscore

test/_common.js

Index: test/_common.js
diff --git a/test/_common.js b/test/_common.js
index 2d9cf1ebf66eed7f92f5fb7bf499270ee1042bad..987a37c6d1d6ef4a7baaace71065ec0adec2617e 100644
--- a/test/_common.js
+++ b/test/_common.js
@@ -15,6 +15,8 @@
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/* globals __dirname, console, Buffer */
+
 "use strict";
 
 let fs = require("fs");
@@ -32,34 +34,35 @@ const MILLIS_IN_MINUTE = exports.MILLIS_IN_MINUTE = 60 * MILLIS_IN_SECOND;
 const MILLIS_IN_HOUR = exports.MILLIS_IN_HOUR = 60 * MILLIS_IN_MINUTE;
 const MILLIS_IN_DAY = exports.MILLIS_IN_DAY = 24 * MILLIS_IN_HOUR;
 
+function URL(urlString)
+{
+  return require("url").parse(urlString);
+}
+
 let globals = {
   atob: data => new Buffer(data, "base64").toString("binary"),
   btoa: data => new Buffer(data, "binary").toString("base64"),
   Ci: {
   },
   Cu: {
-    import: () => {},
-    reportError: e => undefined
+    import() {},
+    reportError(e) {}
   },
   console: {
-    log: () => undefined,
-    error: () => undefined,
+    log() {},
+    error() {}
   },
   navigator: {
   },
   onShutdown: {
-    add: () =>
-    {
-    }
+    add() {}
   },
   Services: {
     obs: {
-      addObserver: () =>
-      {
-      }
+      addObserver() {}
     },
     vc: {
-      compare: (v1, v2) =>
+      compare(v1, v2)
       {
         function comparePart(p1, p2)
         {
@@ -69,8 +72,7 @@ let globals = {
             return 1;
           else if (p1 == p2)
             return 0;
-          else
-            return parseInt(p1, 10) - parseInt(p2, 10);
+          return parseInt(p1, 10) - parseInt(p2, 10);
         }
 
         let parts1 = v1.split(".");
@@ -86,22 +88,21 @@ let globals = {
     }
   },
   XPCOMUtils: {
-    generateQI: () =>
-    {
-    }
+    generateQI() {}
   },
-  URL: function(urlString)
-  {
-    return require("url").parse(urlString);
-  }
+  URL
 };
 
 let knownModules = new Map();
 for (let dir of [path.join(__dirname, "stub-modules"),
                  path.join(__dirname, "..", "lib")])
+{
   for (let file of fs.readdirSync(path.resolve(dir)))
+  {
     if (path.extname(file) == ".js")
       knownModules[path.basename(file, ".js")] = path.resolve(dir, file);
+  }
+}
 
 function addExports(exports)
 {
@@ -109,9 +110,13 @@ function addExports(exports)
   {
     let extraExports = exports[path.basename(this.filename, ".js")];
     if (extraExports)
+    {
       for (let name of extraExports)
+      {
         source += `
           Object.defineProperty(exports, "${name}", {get: () => ${name}});`;
+      }
+    }
     return source;
   };
 }
@@ -144,7 +149,7 @@ exports.createSandbox = function(options)
   // function which can be used to load further modules into the sandbox.
   return SandboxedModule.require("./_common", {
     globals: Object.assign({}, globals, options.globals),
-    sourceTransformers: sourceTransformers
+    sourceTransformers
   }).require;
 };
 
@@ -160,7 +165,7 @@ exports.setupTimerAndXMLHttp = function()
     delay: -1,
     nextExecution: 0,
 
-    initWithCallback: function(callback, delay, type)
+    initWithCallback(callback, delay, type)
     {
       if (this.callback)
         throw new Error("Only one timer instance supported");
@@ -172,7 +177,7 @@ exports.setupTimerAndXMLHttp = function()
       this.nextExecution = currentTime + delay;
     },
 
-    trigger: function()
+    trigger()
     {
       if (currentTime < this.nextExecution)
         currentTime = this.nextExecution;
@@ -186,7 +191,7 @@ exports.setupTimerAndXMLHttp = function()
       }
     },
 
-    cancel: function()
+    cancel()
     {
       this.nextExecution = -1;
     }
@@ -198,9 +203,8 @@ exports.setupTimerAndXMLHttp = function()
     this._host = "http://example.com";
     this._loadHandlers = [];
     this._errorHandlers = [];
-  };
-  XMLHttpRequest.prototype =
-  {
+  }
+  XMLHttpRequest.prototype = {
     _path: null,
     _data: null,
     _queryString: null,
@@ -210,7 +214,7 @@ exports.setupTimerAndXMLHttp = function()
     readyState: 0,
     responseText: null,
 
-    addEventListener: function(eventName, handler, capture)
+    addEventListener(eventName, handler, capture)
     {
       let list;
       if (eventName == "load")
@@ -224,7 +228,7 @@ exports.setupTimerAndXMLHttp = function()
         list.push(handler);
     },
 
-    removeEventListener: function(eventName, handler, capture)
+    removeEventListener(eventName, handler, capture)
     {
       let list;
       if (eventName == "load")
@@ -239,7 +243,7 @@ exports.setupTimerAndXMLHttp = function()
         list.splice(index, 1);
     },
 
-    open: function(method, url, async, user, password)
+    open(method, url, async, user, password)
     {
       if (method != "GET")
         throw new Error("Only GET requests are supported");
@@ -269,7 +273,7 @@ exports.setupTimerAndXMLHttp = function()
       }
     },
 
-    send: function(data)
+    send(data)
     {
       if (!this._data && !this._path)
         throw new Error("No request path set");
@@ -300,7 +304,7 @@ exports.setupTimerAndXMLHttp = function()
       }));
     },
 
-    overrideMimeType: function(mime)
+    overrideMimeType(mime)
     {
     },
 
@@ -316,9 +320,9 @@ exports.setupTimerAndXMLHttp = function()
   };
 
   XMLHttpRequest.requestHandlers = {};
-  this.registerHandler = (path, handler) =>
+  this.registerHandler = (requestPath, handler) =>
   {
-    XMLHttpRequest.requestHandlers[path] = handler;
+    XMLHttpRequest.requestHandlers[requestPath] = handler;
   };
 
   function waitForRequests()
@@ -332,8 +336,7 @@ exports.setupTimerAndXMLHttp = function()
         console.error(e);
       }).then(() => waitForRequests());
     }
-    else
-      return Promise.resolve();
+    return Promise.resolve();
   }
 
   function runScheduledTasks(maxMillis)
@@ -344,13 +347,8 @@ exports.setupTimerAndXMLHttp = function()
       currentTime = endTime;
       return Promise.resolve();
     }
-    else
-    {
-      fakeTimer.trigger();
-      return waitForRequests().then(() => runScheduledTasks(endTime - currentTime));
-    }
-
-    currentTime = endTime;
+    fakeTimer.trigger();
+    return waitForRequests().then(() => runScheduledTasks(endTime - currentTime));
   }
 
   this.runScheduledTasks = (maxHours, initial, skip) =>
@@ -399,7 +397,7 @@ exports.setupTimerAndXMLHttp = function()
         TYPE_REPEATING_SLACK: 1,
         TYPE_REPEATING_PRECISE: 2
       },
-      nsIHttpChannel: () => null,
+      nsIHttpChannel: () => null
     },
     Cr,
     XMLHttpRequest,
@@ -409,6 +407,10 @@ exports.setupTimerAndXMLHttp = function()
   };
 };
 
+/* eslint-disable no-console */
+console.warn = console.log;
+/* eslint-enable no-console */
+
 exports.setupRandomResult = function()
 {
   let randomResult = 0.5;