```ruby
require 'spec_helper'
require 'active_record'

ActiveRecord::Base.establish_connection(QUE_URL)
Que.connection = ActiveRecord
QUE_ADAPTERS[:active_record] = Que.adapter

describe "Que using the ActiveRecord adapter" do
  before { Que.adapter = QUE_ADAPTERS[:active_record] }

  it_behaves_like "a Que adapter"
  it_behaves_like "a multithreaded Que adapter"

  it "should use the same connection that ActiveRecord does" do
    class ActiveRecordJob < Que::Job
      def run
        $pid1 = Que.execute("SELECT pg_backend_pid()").first['pg_backend_pid'].to_i
        $pid2 = ActiveRecord::Base.connection.select_all("select pg_backend_pid()").rows.first.first.to_i
      end
    end

    ActiveRecordJob.queue
    Que::Job.work

    $pid1.should == $pid2
  end

  it "should instantiate args as ActiveSupport::HashWithIndifferentAccess" do
    ArgsJob.queue :param => 2
    Que::Job.work
    $passed_args.first[:param].should == 2
    $passed_args.first.should be_an_instance_of ActiveSupport::HashWithIndifferentAccess
  end
end
```

Add a spec to make sure we support Rails' 1.day.from_now syntax.
user
```ruby
require 'spec_helper'
require 'active_record'

ActiveRecord::Base.establish_connection(QUE_URL)
Que.connection = ActiveRecord
QUE_ADAPTERS[:active_record] = Que.adapter

describe "Que using the ActiveRecord adapter" do
  before { Que.adapter = QUE_ADAPTERS[:active_record] }

  it_behaves_like "a Que adapter"
  it_behaves_like "a multithreaded Que adapter"

  it "should use the same connection that ActiveRecord does" do
    class ActiveRecordJob < Que::Job
      def run
        $pid1 = Que.execute("SELECT pg_backend_pid()").first['pg_backend_pid'].to_i
        $pid2 = ActiveRecord::Base.connection.select_all("select pg_backend_pid()").rows.first.first.to_i
      end
    end

    ActiveRecordJob.queue
    Que::Job.work

    $pid1.should == $pid2
  end

  it "should instantiate args as ActiveSupport::HashWithIndifferentAccess" do
    ArgsJob.queue :param => 2
    Que::Job.work
    $passed_args.first[:param].should == 2
    $passed_args.first.should be_an_instance_of ActiveSupport::HashWithIndifferentAccess
  end

  it "should support Rails' special extensions for times" do
    Que::Job.queue :run_at => 1.minute.from_now
    DB[:que_jobs].get(:run_at).should be_within(3).of Time.now + 60
  end
end
```
assistant