require File.expand_path(File.dirname(__FILE__) + '/spec_helper')

describe Itrigga::Cache::Memcache do
  before do
    Itrigga::Cache::Memcache.reset_instance
    ::Memcached.stub!(:new).and_return(@memcached = mock("Memcached"))
    @instance = Itrigga::Cache::Memcache.instance
  end
  
  it "should include Singleton" do
    Itrigga::Cache::Memcache.should include Singleton
  end

  describe "setup!" do
    it "should call Memcached.new with default server" do
      Memcached.should_receive(:new).with("localhost:11211",{})
      Itrigga::Cache::Memcache.setup!
    end

    it "should call Memcached.new with given server" do
      Memcached.should_receive(:new).with("funky monkeys",{:abc => 123})
      Itrigga::Cache::Memcache.setup!(:servers => "funky monkeys", :abc => 123)
    end
    
    it "should call Memcached.new with timeout" do
      Memcached.should_receive(:new).with("funky monkeys",{:default_ttl => 42})
      Itrigga::Cache::Memcache.setup!(:servers => "funky monkeys", :timeout => 42)
    end
    
    it "should call Memcached.new with timeout" do
      Memcached.should_receive(:new).with("funky monkeys",{:default_ttl => 42})
      Itrigga::Cache::Memcache.setup!(:servers => "funky monkeys", :default_ttl => 42)
    end
    
    it "should assign the memcached instance" do
      Itrigga::Cache::Memcache.setup!(:servers => "funky monkeys", :default_ttl => 42)
      Itrigga::Cache::Memcache.instance.cache.should == @memcached
    end
  end
  
  
  describe "instance_methods" do
    before do
      @instance.stub!(:cache).and_return(@cache = mock("Memcached"))
    end
  
  
    describe "get" do
      it "should call cache.get" do
        @cache.should_receive(:get).with("key")
        @instance.get("key")
      end
    end
    
    describe "set" do
      it "should call cache.set" do
         @cache.should_receive(:set).with("key","content",42)
        @instance.set("key","content",{:timeout => 42})
      end
    end
    
    describe "delete" do
      it "should call cache.delete" do
        @cache.should_receive(:delete).with("key")
        @instance.delete("key")
      end
    end
  
  end
  
end