spec/goldiloader/goldiloader_spec.rb in goldiloader-0.0.10 vs spec/goldiloader/goldiloader_spec.rb in goldiloader-0.0.11

@@ -730,10 +730,21 @@
       posts.drop(1).each do |blog|
         expect(blog.association(:blog_without_auto_include)).to_not be_loaded
       end
     end
 
+    it "doesn't auto eager load has_and_belongs_to_many associations" do
+      posts = Post.all.to_a
+
+      # Force the first post's tags to load
+      posts.first.tags_without_auto_include.to_a
+
+      posts.drop(1).each do |post|
+        expect(post.association(:tags_without_auto_include)).to_not be_loaded
+      end
+    end
+
     it "still auto eager loads nested associations" do
       posts = Post.order(:title).to_a
       # Force the first post's blog to load
       blog = posts.first.blog_without_auto_include
 
@@ -747,9 +758,30 @@
         expect(post.association(:tags)).to be_loaded
       end
 
       other_blog.posts.each do |post|
         expect(post.association(:tags)).to_not be_loaded
+      end
+    end
+  end
+
+  describe "CollectionProxy#exists?" do
+    it "returns true for collections with values" do
+      expect(parent_tag1.children).to exist
+    end
+
+    it "returns false for collections without values" do
+      expect(child_tag1.children).not_to exist
+    end
+
+    if Goldiloader::Compatibility::RAILS_3
+      # Make sure we mimic the broken behavior of Rails 3
+      it "returns true for new models with empty associations" do
+        expect(Tag.new.children).to exist
+      end
+    else
+      it "returns false for new models with empty associations" do
+        expect(Tag.new.children).not_to exist
       end
     end
   end
 end