require 'spec_helper'

describe Cloudster::Elb do
  describe 'initialize' do
    it "should raise argument error if no argument is not provided" do
      expect { Cloudster::Elb.new() }.to raise_error(ArgumentError, 'Missing required argument: name,instance_names')
    end
    it "should not raise argument error if all arguments are provided" do
      expect { Cloudster::Elb.new(:name => 'LoadBalancer', :instance_names => ['AppServer', 'AppServer2']) }.to_not raise_error
    end
  end
  describe '#template' do
    it "should return a ruby hash for the resource cloudformation template" do
      elb = Cloudster::Elb.new(:name => 'LoadBalancer', :instance_names => ['AppServer', 'AppServer2']) 
      elb.template.should == {"Resources" => {"LoadBalancer"=>{"Type"=>"AWS::ElasticLoadBalancing::LoadBalancer", "Properties"=>{"AvailabilityZones"=>{"Fn::GetAZs"=>""}, "Listeners"=>[{"LoadBalancerPort"=>"80", "InstancePort"=>"80", "Protocol"=>"HTTP"}], "HealthCheck"=>{"Target"=>{"Fn::Join"=>["", ["HTTP:", "80", "/"]]}, "HealthyThreshold"=>"3", "UnhealthyThreshold"=>"5", "Interval"=>"30", "Timeout"=>"5"}, "Instances"=>[{"Ref"=>"AppServer"}, {"Ref"=>"AppServer2"}]}}}}
    end
  end
  describe '.template' do
    it "should raise argument error if no argument is not provided" do
      expect { Cloudster::Elb.template() }.to raise_error(ArgumentError, 'Missing required argument: name,instance_names')
    end
    it "should return a ruby hash for the resource cloudformation template" do
      hash = Cloudster::Elb.template(:name => 'LoadBalancer', :instance_names => ['AppServer', 'AppServer2'])
      hash.should == {"Resources" => {"LoadBalancer"=>{"Type"=>"AWS::ElasticLoadBalancing::LoadBalancer", "Properties"=>{"AvailabilityZones"=>{"Fn::GetAZs"=>""}, "Listeners"=>[{"LoadBalancerPort"=>"80", "InstancePort"=>"80", "Protocol"=>"HTTP"}], "HealthCheck"=>{"Target"=>{"Fn::Join"=>["", ["HTTP:", "80", "/"]]}, "HealthyThreshold"=>"3", "UnhealthyThreshold"=>"5", "Interval"=>"30", "Timeout"=>"5"}, "Instances"=>[{"Ref"=>"AppServer"}, {"Ref"=>"AppServer2"}]}}}}
    end
  end
end