support specifying file or folder when running tests

Author: iurimatias

lib/cmd.js

@@ -136,14 +136,13 @@ class Cmd {
 
   test() {
     program
-      .command('test')
+      .command('test [file]')
       .description('run tests')
-      .action(function () {
+      .action(function (file) {
         embark.initConfig('development', {
           embarkConfig: 'embark.json', interceptLogs: false
         });
-        embark.runTests();
-        //shelljs.exec('mocha test');
+        embark.runTests(file);
       });
   }
 

lib/core/run_tests.js

@@ -1,24 +1,41 @@
 
 module.exports = {
-  run: function() {
+  run: function(filepath) {
     var Mocha = require('mocha'),
     fs = require('fs'),
     path = require('path');
 
     var mocha = new Mocha();
 
-    var testDir = 'test/';
-
-    // Add each .js file to the mocha instance
-    fs.readdirSync(testDir).filter(function(file){
-      // Only keep the .js files
-      // TODO: make this a configuration in embark.json
-      return file.substr(-3) === '.js';
-    }).forEach(function(file){
-      mocha.addFile(
-        path.join(testDir, file)
-      );
-    });
+    if (filepath) {
+      if (filepath.substr(-1) === '/') {
+        // Add each .js file to the mocha instance
+        fs.readdirSync(filepath).filter(function(file){
+          // Only keep the .js files
+          // TODO: make this a configuration in embark.json
+          return file.substr(-3) === '.js';
+        }).forEach(function(file){
+          mocha.addFile(
+            path.join(filepath, file)
+          );
+        });
+      } else {
+        mocha.addFile(filepath);
+      }
+    } else {
+      var testDir = 'test/';
+
+      // Add each .js file to the mocha instance
+      fs.readdirSync(testDir).filter(function(file){
+        // Only keep the .js files
+        // TODO: make this a configuration in embark.json
+        return file.substr(-3) === '.js';
+      }).forEach(function(file){
+        mocha.addFile(
+          path.join(testDir, file)
+        );
+      });
+    }
 
     let Test = require('./test.js');
 

lib/index.js

@@ -195,9 +195,9 @@ class Embark {
     }
   }
 
-  runTests() {
+  runTests(file) {
     let RunTests = require('./core/run_tests.js');
-    RunTests.run();
+    RunTests.run(file);
   }
 
 }