ADD: test code for _initField

dist/qing-uploader.js

@@ -74,7 +74,7 @@ QingUploader = (function(superClass) {
         return _this._initFileField($el);
       };
     })(this));
-    return $input;
+    return this.field = $input;
   };
 
   QingUploader.prototype._bind = function() {
@@ -282,7 +282,10 @@ QingUploader = (function(superClass) {
       file = ref[i];
       this.cancel(file);
     }
-    return $(window).off('.uploader-' + this.id);
+    $(window).off('.uploader-' + this.id);
+    if (this.field) {
+      return this.field.remove();
+    }
   };
 
   return QingUploader;

src/qing-uploader.coffee

@@ -41,7 +41,8 @@ class QingUploader extends QingModule
     $input.on 'change', (e) =>
       @upload $input[0].files
       @_initFileField $el
-    $input
+
+    @field = $input
 
   _bind: ->
     # upload the files in the queue
@@ -181,5 +182,6 @@ class QingUploader extends QingModule
     @queue.length = 0
     @cancel file for file in @files
     $(window).off '.uploader-' + @id
+    @field.remove() if @field
 
 module.exports = QingUploader

test/qing-uploader.coffee

@@ -101,3 +101,20 @@ describe 'QingUploader', ->
     @uploader.readImageFile file, (img) ->
       expect(img).to.be.false
       done()
+
+  it 'should create input:file if el option is present', ->
+      $link = $('<a href="javascript:;" class="button-upload">Upload</a>')
+        .appendTo 'body'
+
+      uploader = new QingUploader
+        el: '.button-upload'
+        url: '/upload'
+
+      $input = $link.find('input:file')
+      expect($input.get(0)).to.be.equal(uploader.field.get(0))
+
+      $input.trigger 'change'
+      expect($input.get(0)).not.to.be.equal(uploader.field.get(0))
+
+      uploader.destroy()
+      $link.remove()