From 9dc57fe9c4807fc0ad4b1590a931891d9faa3164 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20Mendon=C3=A7a=20Fran=C3=A7a?=
 <rafaelmfranca@gmail.com>
Date: Sat, 21 Apr 2012 13:17:39 -0300
Subject: Deprecate link_to_function and button_to_function helpers

---
 .../lib/action_view/helpers/javascript_helper.rb   |  4 +++
 actionpack/test/template/javascript_helper_test.rb | 36 ++++++++++++++--------
 2 files changed, 28 insertions(+), 12 deletions(-)

diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb
index 842f4c23a3..042ac4e9ee 100644
--- a/actionpack/lib/action_view/helpers/javascript_helper.rb
+++ b/actionpack/lib/action_view/helpers/javascript_helper.rb
@@ -82,6 +82,8 @@ module ActionView
       #   # => <input class="ok" onclick="alert('Hello world!');" type="button" value="Greeting" />
       #
       def button_to_function(name, function=nil, html_options={})
+        ActiveSupport::Deprecation.warn("button_to_function is deprecated and will be removed from Rails 4.0")
+
         onclick = "#{"#{html_options[:onclick]}; " if html_options[:onclick]}#{function};"
 
         tag(:input, html_options.merge(:type => 'button', :value => name, :onclick => onclick))
@@ -100,6 +102,8 @@ module ActionView
       #   # => <a class="nav_link" href="#" onclick="alert('Hello world!'); return false;">Greeting</a>
       #
       def link_to_function(name, function, html_options={})
+        ActiveSupport::Deprecation.warn("link_to_function is deprecated and will be removed from Rails 4.0")
+
         onclick = "#{"#{html_options[:onclick]}; " if html_options[:onclick]}#{function}; return false;"
         href = html_options[:href] || '#'
 
diff --git a/actionpack/test/template/javascript_helper_test.rb b/actionpack/test/template/javascript_helper_test.rb
index 4b9c3c97b1..91968861fa 100644
--- a/actionpack/test/template/javascript_helper_test.rb
+++ b/actionpack/test/template/javascript_helper_test.rb
@@ -46,33 +46,45 @@ class JavaScriptHelperTest < ActionView::TestCase
   end
 
   def test_button_to_function
-    assert_dom_equal %(<input type="button" onclick="alert('Hello world!');" value="Greeting" />),
-      button_to_function("Greeting", "alert('Hello world!')")
+    assert_deprecated "button_to_function is deprecated and will be removed from Rails 4.0" do
+      assert_dom_equal %(<input type="button" onclick="alert('Hello world!');" value="Greeting" />),
+        button_to_function("Greeting", "alert('Hello world!')")
+    end
   end
 
   def test_button_to_function_with_onclick
-    assert_dom_equal "<input onclick=\"alert('Goodbye World :('); alert('Hello world!');\" type=\"button\" value=\"Greeting\" />",
-      button_to_function("Greeting", "alert('Hello world!')", :onclick => "alert('Goodbye World :(')")
+    assert_deprecated "button_to_function is deprecated and will be removed from Rails 4.0" do
+      assert_dom_equal "<input onclick=\"alert('Goodbye World :('); alert('Hello world!');\" type=\"button\" value=\"Greeting\" />",
+        button_to_function("Greeting", "alert('Hello world!')", :onclick => "alert('Goodbye World :(')")
+    end
   end
 
   def test_button_to_function_without_function
-    assert_dom_equal "<input onclick=\";\" type=\"button\" value=\"Greeting\" />",
-      button_to_function("Greeting")
+    assert_deprecated "button_to_function is deprecated and will be removed from Rails 4.0" do
+      assert_dom_equal "<input onclick=\";\" type=\"button\" value=\"Greeting\" />",
+        button_to_function("Greeting")
+    end
   end
 
   def test_link_to_function
-    assert_dom_equal %(<a href="#" onclick="alert('Hello world!'); return false;">Greeting</a>),
-      link_to_function("Greeting", "alert('Hello world!')")
+    assert_deprecated "link_to_function is deprecated and will be removed from Rails 4.0" do
+      assert_dom_equal %(<a href="#" onclick="alert('Hello world!'); return false;">Greeting</a>),
+        link_to_function("Greeting", "alert('Hello world!')")
+    end
   end
 
   def test_link_to_function_with_existing_onclick
-    assert_dom_equal %(<a href="#" onclick="confirm('Sanity!'); alert('Hello world!'); return false;">Greeting</a>),
-      link_to_function("Greeting", "alert('Hello world!')", :onclick => "confirm('Sanity!')")
+    assert_deprecated "link_to_function is deprecated and will be removed from Rails 4.0" do
+      assert_dom_equal %(<a href="#" onclick="confirm('Sanity!'); alert('Hello world!'); return false;">Greeting</a>),
+        link_to_function("Greeting", "alert('Hello world!')", :onclick => "confirm('Sanity!')")
+    end
   end
 
   def test_function_with_href
-    assert_dom_equal %(<a href="http://example.com/" onclick="alert('Hello world!'); return false;">Greeting</a>),
-      link_to_function("Greeting", "alert('Hello world!')", :href => 'http://example.com/')
+    assert_deprecated "link_to_function is deprecated and will be removed from Rails 4.0" do
+      assert_dom_equal %(<a href="http://example.com/" onclick="alert('Hello world!'); return false;">Greeting</a>),
+        link_to_function("Greeting", "alert('Hello world!')", :href => 'http://example.com/')
+    end
   end
 
   def test_javascript_tag
-- 
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