couchrest_model 2.0.1 fixes find_by_sth(nil)

This used to return the first record! :scream:

This [commit](https://github.com/couchrest/couchrest_model/commit/2c5b76823e94caed4d8cbfbf18cb9e0d58789789) is essential for say User.find_by_login(nil) to NOT return
the first record in the database.

1 files changed, 5 insertions, 0 deletions

diff --git a/test/unit/user_test.rb b/test/unit/user_test.rb
index b3c831b..c301923 100644
--- a/test/unit/user_test.rb
+++ b/test/unit/user_test.rb
@@ -7,6 +7,11 @@ class UserTest < ActiveSupport::TestCase
     @user = FactoryGirl.build(:user)
   end
 
+  test "don't find a user with login nil" do
+    @user.save
+    assert_nil User.find_by_login(nil)
+  end
+
   test "design docs in database are authorative" do
     assert !User.design_doc.auto_update,
       "Automatic update of design docs should be disabled"