require 'spec_helper' describe '#scard(key)' do before { @key = 'mock-redis-test:scard' } it "returns 0 for an empty set" do @redises.scard(@key).should == 0 end it "returns the number of elements in the set" do @redises.sadd(@key, 'one') @redises.sadd(@key, 'two') @redises.sadd(@key, 'three') @redises.scard(@key).should == 3 end it_should_behave_like "a set-only command" end