1 files changed, 82 insertions, 0 deletions
diff --git a/actionpack/test/template/erb/tag_helper_test.rb b/actionpack/test/template/erb/tag_helper_test.rb
new file mode 100644
index 0000000000..cc96a43901
--- /dev/null
+++ b/actionpack/test/template/erb/tag_helper_test.rb
@@ -0,0 +1,82 @@
+require "abstract_unit"
+
+module ERBTest
+  class ViewContext
+    mock_controller = Class.new do
+      include SharedTestRoutes.url_helpers
+    end
+
+    include ActionView::Helpers::TagHelper
+    include ActionView::Helpers::JavaScriptHelper
+    include ActionView::Helpers::FormHelper
+
+    attr_accessor :output_buffer
+
+    def protect_against_forgery?() false end
+
+    define_method(:controller) do
+      mock_controller.new
+    end
+  end
+
+  class DeprecatedViewContext < ViewContext
+    include ActionView::Helpers::DeprecatedBlockHelpers
+  end
+
+  module SharedTagHelpers
+    extend ActiveSupport::Testing::Declarative
+
+    def render_content(start, inside)
+      template = block_helper(start, inside)
+      ActionView::Template::Handlers::Erubis.new(template).evaluate(context.new)
+    end
+
+    test "percent equals works for content_tag and does not require parenthesis on method call" do
+      assert_equal "<div>Hello world</div>", render_content("content_tag :div", "Hello world")
+    end
+
+    test "percent equals works for javascript_tag" do
+      expected_output = "<script type=\"text/javascript\">\n//<![CDATA[\nalert('Hello')\n//]]>\n</script>"
+      assert_equal expected_output, render_content("javascript_tag", "alert('Hello')")
+    end
+
+    test "percent equals works for javascript_tag with options" do
+      expected_output = "<script id=\"the_js_tag\" type=\"text/javascript\">\n//<![CDATA[\nalert('Hello')\n//]]>\n</script>"
+      assert_equal expected_output, render_content("javascript_tag(:id => 'the_js_tag')", "alert('Hello')")
+    end
+
+    test "percent equals works with form tags" do
+      expected_output = "<form action=\"foo\" method=\"post\">hello</form>"
+      assert_equal expected_output, render_content("form_tag('foo')", "<%= 'hello' %>")
+    end
+
+    test "percent equals works with fieldset tags" do
+      expected_output = "<fieldset><legend>foo</legend>hello</fieldset>"
+      assert_equal expected_output, render_content("field_set_tag('foo')", "<%= 'hello' %>")
+    end
+  end
+
+  class TagHelperTest < ActiveSupport::TestCase
+    def context
+      ViewContext
+    end
+
+    def block_helper(str, rest)
+      "<%= #{str} do %>#{rest}<% end %>"
+    end
+
+    include SharedTagHelpers
+  end
+
+  class DeprecatedTagHelperTest < ActiveSupport::TestCase
+    def context
+      DeprecatedViewContext
+    end
+
+    def block_helper(str, rest)
+      "<% __in_erb_template=true %><% #{str} do %>#{rest}<% end %>"
+    end
+
+    include SharedTagHelpers
+  end
+end
+\ No newline at end of file