From b8ebb719137789825fa03c4a9a3b82c87d3970fe Mon Sep 17 00:00:00 2001
From: Andrew Hao <ahao@blurb.com>
Date: Sun, 3 Mar 2013 10:37:48 -0800
Subject: [PATCH 1/2] Adding Jammit::Packager#asset_defined? public method to
 allow callers to determine whether an asset can be expected in Jammit.

---
 lib/jammit/packager.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/jammit/packager.rb b/lib/jammit/packager.rb
index 26cc7313..5ba9f5fc 100644
--- a/lib/jammit/packager.rb
+++ b/lib/jammit/packager.rb
@@ -70,6 +70,12 @@ def individual_urls(package, extension)
       package_for(package, extension)[:urls]
     end
 
+    def asset_defined?(package, extension)
+      !!package_for(package, extension)
+    rescue PackageNotFound
+      false
+    end
+
     def compressor
       @compressor ||= Compressor.new
     end

From 218580229eae93e03c1dc87b2a2903caf5ba3f75 Mon Sep 17 00:00:00 2001
From: Andrew Hao <ahao@blurb.com>
Date: Mon, 4 Mar 2013 09:20:06 -0800
Subject: [PATCH 2/2] Renaming method to Jammit::Packager#includes? to be more
 concise. Added tests. Coerce inputs to symbols.

---
 lib/jammit/packager.rb     |  5 +++--
 test/unit/test_packager.rb | 14 +++++++++++++-
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/lib/jammit/packager.rb b/lib/jammit/packager.rb
index 5ba9f5fc..aed355de 100644
--- a/lib/jammit/packager.rb
+++ b/lib/jammit/packager.rb
@@ -70,8 +70,9 @@ def individual_urls(package, extension)
       package_for(package, extension)[:urls]
     end
 
-    def asset_defined?(package, extension)
-      !!package_for(package, extension)
+    # Determines the existence of a packaged asset in the assets.yml file.
+    def includes?(package, extension)
+      !!package_for(package.to_sym, extension.to_sym)
     rescue PackageNotFound
       false
     end
diff --git a/test/unit/test_packager.rb b/test/unit/test_packager.rb
index 38743ba6..a7288c15 100644
--- a/test/unit/test_packager.rb
+++ b/test/unit/test_packager.rb
@@ -33,6 +33,19 @@ def test_fetching_lists_of_nested_urls
     assert urls == ['/assets/jst_test_nested.jst']
   end
 
+  def test_package_includes
+    assert Jammit.packager.includes?(:css_test, :css)
+    assert Jammit.packager.includes?("css_test_nested", "css")
+    assert Jammit.packager.includes?(:js_test, :js)
+    assert Jammit.packager.includes?("js_test_nested", "js")
+    assert Jammit.packager.includes?(:jst_test, :js)
+    assert Jammit.packager.includes?("jst_test_nested", "js")
+
+    assert !Jammit.packager.includes?(:not_included_file, :js)
+    assert !Jammit.packager.includes?(:test1, :css)
+    assert !Jammit.packager.includes?(:"nested/nested1", :js)
+  end
+
   def test_packaging_stylesheets
     css = Jammit.packager.pack_stylesheets(:css_test)
     assert css == File.read('test/fixtures/jammed/css_test.css')
@@ -129,5 +142,4 @@ def test_packaging_javascripts_with_package_names
     assert File.read('test/public/assets/js_test.js') == File.read('test/fixtures/jammed/js_test_package_names.js')
     FileUtils.rm_rf("test/public/assets")
   end
-
 end