Fixed that has_many collections shouldn't load the entire association to do build or create [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4354 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 29 insertions, 0 deletions

diff --git a/activerecord/test/associations_test.rb b/activerecord/test/associations_test.rb
index 6076b10446..f3e210bf77 100755
--- a/activerecord/test/associations_test.rb
+++ b/activerecord/test/associations_test.rb
@@ -512,6 +512,35 @@ class HasManyAssociationsTest < Test::Unit::TestCase
     assert_equal 3, companies(:first_firm).clients_of_firm(true).size
   end
 
+  def test_build_without_loading_association
+    first_topic = Topic.find(:first)
+    Reply.column_names
+
+    assert_equal 1, first_topic.replies.length
+    
+    assert_no_queries do
+      first_topic.replies.build(:title => "Not saved", :content => "Superstars")
+      assert_equal 2, first_topic.replies.size
+    end
+
+    assert_equal 2, first_topic.replies.to_ary.size
+  end
+
+  def test_create_without_loading_association
+    first_firm  = companies(:first_firm)
+    Firm.column_names
+    Client.column_names
+
+    assert_equal 1, first_firm.clients_of_firm.size
+    first_firm.clients_of_firm.reset
+    
+    assert_queries(1) do
+      first_firm.clients_of_firm.create(:name => "Superstars")
+    end
+    
+    assert_equal 2, first_firm.clients_of_firm.size
+  end
+
   def test_invalid_build
     new_client = companies(:first_firm).clients_of_firm.build
     assert new_client.new_record?