# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require File.expand_path('../../spec_helper', __FILE__)
require 'fog/aws'
require 'chef/knife/ec2_flavor_list'

describe Chef::Knife::Ec2FlavorList do

  describe '#run' do
    let(:knife_flavor_list) { Chef::Knife::Ec2FlavorList.new }
    let(:ec2_connection) { double(Fog::Compute::AWS) }
    before do
      allow(knife_flavor_list).to receive(:connection).and_return(ec2_connection)
      @flavor1 = double("flavor1", :name => "High-CPU Medium", :architecture => "32-bit-bit", :id => "c1.medium", :bits => "32-bit", :cores => "5", :disk => "1740.8 GB", :ram => "350 GB", :ebs_optimized_available => "false", :instance_store_volumes => "0")

      allow(ec2_connection).to receive(:flavors).and_return([@flavor1])

    end

    it 'invokes validate!' do
      ec2_flavors = double(:sort_by => [])

      allow(ec2_connection).to receive(:flavors).and_return(ec2_flavors)
      allow(knife_flavor_list.ui).to receive(:warn)
      expect(knife_flavor_list).to receive(:validate!)
      knife_flavor_list.run
    end


    context '--format option' do
      context 'when format=summary' do
        before do
	  @output_s=["ID", "Name", "Architecture", "RAM", "Disk", "Cores", "c1.medium", "High-CPU Medium", "32-bit-bit", "350 GB", "1740.8 GB GB", "5"]
          knife_flavor_list.config[:format] = 'summary'
          allow(knife_flavor_list.ui).to receive(:warn)
          allow(knife_flavor_list).to receive(:validate!)
        end

        it 'shows the output in summary format' do
          expect(knife_flavor_list.ui).to receive(:list).with(@output_s,:columns_across,6)
          knife_flavor_list.run
        end
      end

      context 'when format=json' do
        before do
          knife_flavor_list.config[:format] = 'json'
          allow(knife_flavor_list.ui).to receive(:warn)
        end

        it 'shows the output in json format' do
          allow(ec2_connection).to receive(:flavors).and_return([])
          allow(knife_flavor_list).to receive(:validate!)
          allow(knife_flavor_list).to receive(:format_for_display)
          expect(knife_flavor_list).to receive(:output)
          knife_flavor_list.run
        end
      end
    end
end
end