added :dependent => :destroy to asset model so related assets get deleted as the asset they're referencing is deleted.

Closes #25

2 files changed, 19 insertions, 3 deletions

diff --git a/app/models/asset.rb b/app/models/asset.rb
index 41823e7..5bfea76 100644
--- a/app/models/asset.rb
+++ b/app/models/asset.rb
@@ -1,5 +1,6 @@
 class Asset < ActiveRecord::Base
   
+  has_many :related_assets, :dependent => :destroy
   has_many :pages, :through => :related_assets
   
   has_attached_file(
diff --git a/test/unit/asset_test.rb b/test/unit/asset_test.rb
index 58aba76..a1041e4 100644
--- a/test/unit/asset_test.rb
+++ b/test/unit/asset_test.rb
@@ -1,8 +1,23 @@
 require 'test_helper'
 
 class AssetTest < ActiveSupport::TestCase
-  # Replace this with your real tests.
-  test "the truth" do
-    assert true
+  
+  test "related assets get destroyed when assets get destroyed" do
+    Asset.delete_all
+    RelatedAsset.delete_all
+    
+    assert asset  = Asset.create
+    assert node   = Node.root.children.create( :slug => "asset" )
+    assert_equal [], node.draft.assets
+    
+    draft = node.draft
+    draft.assets << asset
+    assert_equal 1, draft.assets.length
+    
+    asset.destroy
+    draft.reload
+    assert_equal 0, draft.assets.length
+    assert_equal 0, RelatedAsset.count
   end
+  
 end