Rename `ActiveRecord::Fixtures` class to `ActiveRecord::FixtureSet`. Instances of this class normally hold a collection of fixtures (records) loaded either from a single YAML file, or from a file and a folder with the same name. This change make the class name singular and makes the class easier to distinguish from the modules like `ActiveRecord::TestFixtures`, which operates on multiple fixture sets, or `DelegatingFixtures`, `::Fixtures`, etc., and from the class `ActiveRecord::Fixture`, which corresponds to a single fixture.
* TestCase: introduce declared setup and teardown callbacks. Pass a list of methods and an optional block to call before setup or after teardown. Setup callbacks are run in the order declared; teardown callbacks are run in reverse. [Jeremy Kemper]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8570 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
* Introduce Unit Tests for pagination
* Allow count to work with :include by using count distinct.
[Kevin Clark & Jeremy Hopple]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3553 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
