Add a test: every redis commands should be realized in redis-namespace

gistfile1.rb

  it "every redis commands should be realized in redis-namespace" do
    # Use methods.map{|m|m.to_sym} for backward compatible till ruby1.8
    r_methods    = (Redis.public_instance_methods(false) - MonitorMixin.public_instance_methods).map{|m|m.to_sym} -
        [:client, :synchronize, :with_reconnect, :without_reconnect, :connected?, :id, :method_missing, :inspect, :_bpop, :_eval, :_scan  ]
    rns_methods  = (Redis::Namespace::COMMANDS.keys + Redis::Namespace.public_instance_methods(false)).map{|m|m.to_sym}
    do_not_needs = [:slowlog, :sync, :time, :migrate, :subscribed?, :unwatch, :script]
    (r_methods - rns_methods - do_not_needs).should eq([])
  end