Use temp module to create temp files

bin/run.js

@@ -305,8 +305,7 @@ function getFilesStream(config) {
         }
 
         return p;
-    })
-
+    });
 
     files = _(files.map(globStream)).merge();
 

lib/runners/console.js

@@ -6,7 +6,7 @@ module.exports = ConsoleRunner;
 var Runner = require('../runner');
 var fs = require('fs');
 var cp = require('child_process');
-var counter = 0;
+var temp = require('temp');
 
 var batchDoneFn = function $DONE(err) {
     if(err) {
@@ -91,7 +91,7 @@ Object.defineProperty(ConsoleRunner.prototype, 'runNextFn', {
 
 ConsoleRunner.prototype.execute = function(test, cb) {
     var runner = this;
-    var file = '__tmp' + counter++ + '.js';
+    var file = temp.path({suffix: '.js'});
 
     var command = this.command + ' ' + file;
 
@@ -113,7 +113,7 @@ ConsoleRunner.prototype.execute = function(test, cb) {
 
 ConsoleRunner.prototype.executeBatch = function(batch, batchDone) {
     var runner = this;
-    var scriptFile = '__tmp' + counter++ + '.js';
+    var scriptFile = temp.path({suffix: '.js'});
     var script = this.logFnSrc + '\n' +
                  batchDoneFn + '\n' + 
                  'var $setRealmValue = ' +  this._setRealmValue + ';\n' +
@@ -125,31 +125,32 @@ ConsoleRunner.prototype.executeBatch = function(batch, batchDone) {
 
     script += 'runNext();'
 
-    fs.writeFileSync(scriptFile, script);
-
-    cp.exec(this.command + " " + scriptFile, function(err, stdout, stderr) {
-        var results = { log: [] };
-        var lines = stdout.split(/\r?\n/);
-        var index = 0;
-
-        lines.forEach(function(line) {
-            switch(line) {
-                case 'test262/test-start':
-                    break;
-                case 'test262/test-end':
-                    var test = batch[index++];
-                    runner.validateResult(test, results);
-                    results = { log: [] };
-
-                    break;
-                default:
-                    results.log.push(line);
-            }
-        })
+    fs.writeFile(scriptFile, script, function(err) {
+        cp.exec(runner.command + " " + scriptFile, function(err, stdout, stderr) {
+            var results = { log: [] };
+            var lines = stdout.split(/\r?\n/);
+            var index = 0;
+
+            lines.forEach(function(line) {
+                switch(line) {
+                    case 'test262/test-start':
+                        break;
+                    case 'test262/test-end':
+                        var test = batch[index++];
+                        runner.validateResult(test, results);
+                        results = { log: [] };
+
+                        break;
+                    default:
+                        results.log.push(line);
+                }
+            })
+
+            fs.unlink(scriptFile);
+            batchDone();
+        });
+    })
 
-        fs.unlink(scriptFile);
-        batchDone();
-    });
 }
 
 

package.json

@@ -20,6 +20,7 @@
     "minimist": "^0.2.0",
     "stream-bifurcate": "^1.0.0",
     "tap": "~0.4.11",
+    "temp": "^0.8.1",
     "test262-parser": "^2.0.5",
     "through": "~2.3.4"
   },