Properly tested and fixed the bug that added the data-update-elements…

… attribute to simple form inputs even when no :update_elements were given

lib/rails3-jquery-autocomplete/simple_form_plugin.rb

@@ -16,7 +16,11 @@ def has_placeholder?
       end
 
       def update_elements(elements)
-        {'data-update-elements' => elements.to_json}
+        if elements
+          {'data-update-elements' => elements.to_json}
+        else
+          {}
+        end
       end
     end
   end

test-unit.yml

@@ -1,6 +1,6 @@
 runner: console
 console_options:
-  # arguments: --use-color=true --verbose=verbose
+  #arguments: --use-color=true --verbose=verbose
   arguments: --use-color=true
   color_scheme: new_and_improved
 color_schemes:

test/lib/rails3-jquery-autocomplete/simple_form_plugin_test.rb

@@ -4,17 +4,20 @@
 module Rails3JQueryAutocomplete
   class SimpleFormPluginTest < ActionView::TestCase
 
-    def setup
-      with_input_for @user, :name, :autocomplete, :url => '/test'
-    end
-
     should "apply a class of 'autocomplete'" do
+      with_input_for @user, :name, :autocomplete
       assert_select "input#user_name.autocomplete[type=text][name='user[name]']"
     end
 
     should "add a data-autocomplete attribute with the provided :url" do
+      with_input_for @user, :name, :autocomplete, :url => '/test'
       assert_select "input#user_name[data-autocomplete=/test]"
     end
 
+    should "not add a data-update-elements attribute if not passed an :update_elements option" do
+      with_input_for @user, :name, :autocomplete, :url => '/test'
+      assert_no_select "input#user_name[data-update-elements]"
+    end
+
   end
 end

test/test_helper.rb

@@ -5,6 +5,11 @@
 $LOAD_PATH.unshift(File.dirname(__FILE__))
 
 ENV["RAILS_ENV"] = "test"
+module Rails
+  def self.env
+    ActiveSupport::StringInquirer.new("test")
+  end
+end
 
 require 'rails/all'
 require 'mongoid'

test/view_test_helper.rb

@@ -66,6 +66,10 @@ class ActionView::TestCase
   setup :set_response
   setup :setup_new_user
 
+  def assert_no_select(selector, value = nil)
+    assert_select(selector, :text => value, :count => 0)
+  end
+
   def with_concat_form_for(*args, &block)
     concat simple_form_for(*args, &block)
   end
@@ -102,4 +106,3 @@ def user_path(*args)
   end
   alias :users_path :user_path
 end
-