Remove Base#run() args parameter

Reason: Generators are self contained, it doesn't make sense for
external source to modify the arguments it's methods takes.

lib/base.js

@@ -361,25 +361,17 @@ Base.prototype.checkRequiredArgs = function () {
  * none is given, the same values used to initialize the invoker are
  * used to initialize the invoked.
  *
- * @param {String|Array|Function} [args]
  * @param {Function} [cb]
  */
 
-Base.prototype.run = function run(args, cb) {
+Base.prototype.run = function run(cb) {
+  cb = cb || function () {};
+
   var self = this;
   this._running = true;
   this.emit('run');
 
-  if (!cb) {
-    cb = args;
-    args = this.args;
-  }
-
-  args = _.isString(args) ? args.split(' ') : args;
-  cb = cb || function () {};
-
   var methods = Object.keys(Object.getPrototypeOf(this));
-
   assert(methods.length, 'This Generator is empty. Add at least one method for it to run.');
 
   this.env.runLoop.once('end', function () {
@@ -410,7 +402,7 @@ Base.prototype.run = function run(args, cb) {
 
       self.emit('method:' + methodName);
       try {
-        method.apply(self, args);
+        method.apply(self, self.args);
         if (!running) return done();
       } catch (err) {
         debug('An error occured while running ' + methodName, err);

test/base.js

@@ -227,20 +227,6 @@ describe('generators.Base', function () {
       this.testGen.run(done);
     });
 
-    it('pass an array of arguments to the called methods', function (done) {
-      this.testGen.run(['some', 'args'], function () {
-        assert(this.execSpy.withArgs('some', 'args').calledOnce);
-        done();
-      }.bind(this));
-    });
-
-    it('pass string of arguments to the called methods', function (done) {
-      this.testGen.run('some args', function () {
-        assert(this.execSpy.withArgs('some', 'args').calledOnce);
-        done();
-      }.bind(this));
-    });
-
     it('pass instance .args property to the called methods', function (done) {
       this.testGen.args = ['2', 'args'];
       this.testGen.run(function () {
@@ -250,7 +236,7 @@ describe('generators.Base', function () {
     });
 
     it('resolve conflicts after it ran', function (done) {
-      this.testGen.run({}, function () {
+      this.testGen.run(function () {
         assert.equal(this.resolveSpy.callCount, 1);
         done();
       }.bind(this));