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

describe "Pool" do
  before(:each) do
    @obj = Object.new
  end
  it "should respond to the pool method" do
    @obj.respond_to?(:pool).should == true
  end
  it "should store the pool in the global array" do
    @p = pool :app do
    end
    @obj.pools[:app].should == @p
  end
    
  describe "block" do
    before(:each) do
      @pool = Pool.new(:test) do
        # Inside pool block
        Proc.new {puts "hello world"}
      end
    end
    
    it "should be able to define a cloud within the pool block" do
      @pool.respond_to?(:cloud).should == true
    end
    it "should evaluate the block when creating a new pool" do
      Proc.should_receive(:new).once
      Pool.new(:test) do
        Proc.new {puts "hi"}
      end
    end
    describe "plugins" do
      after(:each) do
        @pool.instance_eval do
          plugin_directory "yaway"
        end
      end
      it "should call Dir when the plugin directory is set" do
        Dir.should_receive(:[]).with("yaway/*/*.rb").once.and_return []        
      end
    end
    describe "configuration" do
      before(:each) do
        reset!
        @pool = Pool.new :test do
          nick_nack "nails"
          rocky_shores "ranger"
        end
      end
      it "should set the plugin_directory to nails" do
        @pool.nick_nack.should == "nails"
      end
      it "should set the rocky_shores to ranger" do
        @pool.rocky_shores.should == "ranger"
      end
      describe "range for min/max instances" do
        it "should be able to respond to instances" do
          @pool.respond_to?(:instances).should == true
        end
        it "should be able to pass instances a range" do
          lambda {
            @pool.instance_eval do
              instances 2..5
            end
          }.should_not raise_error
        end
        it "should set the minimum as the minimum_instances from the range" do
          @pool.instance_eval do
            instances 2..5
          end
          @pool.minimum_instances.should == 2
        end
        it "should set the maximum as the maximum_instances from the range" do
          @pool.instance_eval do
            instances 2..5
          end
          @pool.maximum_instances.should == 5
        end
      end
    end    
  end
end