spec/join_association_spec.rb in arel-helpers-2.3.0 vs spec/join_association_spec.rb in arel-helpers-2.4.0

@@ -27,9 +27,23 @@
         .joins(ArelHelpers.join_association(Comment, :author))
         .to_sql.should ==
           'SELECT "posts".* FROM "posts" INNER JOIN "comments" ON "comments"."post_id" = "posts"."id" INNER JOIN "authors" ON "authors"."id" = "comments"."author_id"'
     end
 
+    it "should work for a nested hash of association names" do
+      Post
+        .joins(ArelHelpers.join_association(Post, { comments: :author }))
+        .to_sql.should ==
+          'SELECT "posts".* FROM "posts" INNER JOIN "comments" ON "comments"."post_id" = "posts"."id" INNER JOIN "authors" ON "authors"."id" = "comments"."author_id"'
+    end
+
+    it "should work with outer joins when given a nested hash of association names" do
+      Post
+        .joins(ArelHelpers.join_association(Post, { comments: :author }, Arel::Nodes::OuterJoin))
+        .to_sql.should ==
+          'SELECT "posts".* FROM "posts" LEFT OUTER JOIN "comments" ON "comments"."post_id" = "posts"."id" LEFT OUTER JOIN "authors" ON "authors"."id" = "comments"."author_id"'
+    end
+
     it "should be able to handle multiple associations" do
       Post.joins(ArelHelpers.join_association(Post, [:comments, :favorites])).to_sql.should ==
         'SELECT "posts".* FROM "posts" INNER JOIN "comments" ON "comments"."post_id" = "posts"."id" INNER JOIN "favorites" ON "favorites"."post_id" = "posts"."id"'
     end