Fix #count on a has_many :through association so that it recognizes the :uniq option. Closes #8801 [lifofifo]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7199 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 10 insertions, 1 deletions

diff --git a/activerecord/test/associations/join_model_test.rb b/activerecord/test/associations/join_model_test.rb
index a784a8eefd..a24763b92e 100644
--- a/activerecord/test/associations/join_model_test.rb
+++ b/activerecord/test/associations/join_model_test.rb
@@ -30,7 +30,16 @@ class AssociationsJoinModelTest < Test::Unit::TestCase
     assert_equal 2, authors(:mary).categorized_posts.size
     assert_equal 1, authors(:mary).unique_categorized_posts.size
   end
-
+  
+  def test_has_many_uniq_through_count
+    author = authors(:mary)
+    assert !authors(:mary).unique_categorized_posts.loaded?
+    assert_queries(1) { assert_equal 1, author.unique_categorized_posts.count }
+    assert_queries(1) { assert_equal 1, author.unique_categorized_posts.count(:title) }
+    assert_queries(1) { assert_equal 0, author.unique_categorized_posts.count(:title, :conditions => "title is NULL") }
+    assert !authors(:mary).unique_categorized_posts.loaded?
+  end
+  
   def test_polymorphic_has_many
     assert posts(:welcome).taggings.include?(taggings(:welcome_general))
   end