Merge pull request bootstrap-ruby#146 from atipugin/label_errors_fix

Use humanized attribute name in label errors

Author: carloslopes

lib/bootstrap_form/form_builder.rb

@@ -307,7 +307,7 @@ def generate_label(id, name, options, custom_label_col, group_layout)
 
       if label_errors && has_error?(name)
         error_messages = get_error_messages(name)
-        label_text = (options[:text] || name.to_s.humanize).to_s.concat(" #{error_messages}")
+        label_text = (options[:text] || object.class.human_attribute_name(name)).to_s.concat(" #{error_messages}")
         label(name, label_text, options.except(:text))
       else
         label(name, options[:text], options.except(:text))

test/bootstrap_form_test.rb

@@ -63,6 +63,18 @@ def setup
     assert_equal expected, bootstrap_form_for(@user, label_errors: true, inline_errors: true) { |f| f.text_field :email }
   end
 
+  test "label error messages use humanized attribute names" do
+    I18n.backend.store_translations(:en, {activerecord: {attributes: {user: {email: 'Your e-mail address'}}}})
+
+    @user.email = nil
+    @user.valid?
+
+    expected = %{<form accept-charset=\"UTF-8\" action=\"/users\" class=\"new_user\" id=\"new_user\" method=\"post\" role=\"form\"><div style=\"margin:0;padding:0;display:inline\"><input name=\"utf8\" type=\"hidden\" value=\"&#x2713;\" /></div><div class=\"form-group has-error\"><label class=\"control-label\" for=\"user_email\">Your e-mail address can&#39;t be blank, is too short (minimum is 5 characters)</label><input class=\"form-control\" id=\"user_email\" name=\"user[email]\" type=\"text\" /><span class=\"help-block\">can&#39;t be blank, is too short (minimum is 5 characters)</span></div></form>}
+    assert_equal expected, bootstrap_form_for(@user, label_errors: true, inline_errors: true) { |f| f.text_field :email }
+
+    I18n.backend.store_translations(:en, {activerecord: {attributes: {user: {email: nil}}}})
+  end
+
   test "alert message is wrapped correctly" do
     @user.email = nil
     @user.valid?