From 5d45eed2ab9b029da5f6daac4a2834dec2c6bd3d Mon Sep 17 00:00:00 2001
From: Nishant Modak <modak.nishant@gmail.com>
Date: Fri, 20 Nov 2015 18:17:23 +0530
Subject: Example of setting data attributes for image_tag

---
 actionview/lib/action_view/helpers/asset_tag_helper.rb | 2 ++
 actionview/test/template/asset_tag_helper_test.rb      | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

(limited to 'actionview')

diff --git a/actionview/lib/action_view/helpers/asset_tag_helper.rb b/actionview/lib/action_view/helpers/asset_tag_helper.rb
index 2ffed6b395..91e934cd64 100644
--- a/actionview/lib/action_view/helpers/asset_tag_helper.rb
+++ b/actionview/lib/action_view/helpers/asset_tag_helper.rb
@@ -205,6 +205,8 @@ module ActionView
       #   # => <img alt="Icon" height="32" src="/icons/icon.gif" width="32" />
       #   image_tag("/icons/icon.gif", class: "menu_icon")
       #   # => <img alt="Icon" class="menu_icon" src="/icons/icon.gif" />
+      #   image_tag("/icons/icon.gif", data: { title: 'Rails Application' })
+      #   # => <img data-title="Rails Application" src="/icons/icon.gif" />
       def image_tag(source, options={})
         options = options.symbolize_keys
         check_for_image_tag_errors(options)
diff --git a/actionview/test/template/asset_tag_helper_test.rb b/actionview/test/template/asset_tag_helper_test.rb
index a63ac442cd..fe40010528 100644
--- a/actionview/test/template/asset_tag_helper_test.rb
+++ b/actionview/test/template/asset_tag_helper_test.rb
@@ -193,7 +193,8 @@ class AssetTagHelperTest < ActionView::TestCase
     %(image_tag("//www.rubyonrails.com/images/rails.png")) => %(<img alt="Rails" src="//www.rubyonrails.com/images/rails.png" />),
     %(image_tag("mouse.png", :alt => nil)) => %(<img src="/images/mouse.png" />),
     %(image_tag("data:image/gif;base64,R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==", :alt => nil)) => %(<img src="data:image/gif;base64,R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" />),
-    %(image_tag("")) => %(<img src="" />)
+    %(image_tag("")) => %(<img src="" />),
+    %(image_tag("gold.png", data: { title: 'Rails Application' })) => %(<img data-title="Rails Application" src="/images/gold.png" alt="Gold" />)
   }
 
   FaviconLinkToTag = {
-- 
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