require 'spec_helper'

describe MultiSync::Configuration, fakefs: true do

  before do
    FileUtils.mkdir_p('/tmp/fog')
    File.open('/tmp/fog/.fog', 'w') do |f|
      f << "default:\n"
      f << "  aws_access_key_id: AWS_ACCESS_KEY_ID_DEFAULT\n"
      f << "  aws_secret_access_key: AWS_SECRET_ACCESS_KEY_DEFAULT\n"
      f << "alt:\n"
      f << "  aws_access_key_id: AWS_ACCESS_KEY_ID_ALT\n"
      f << '  aws_secret_access_key: AWS_SECRET_ACCESS_KEY_ALT'
    end
  end

  let(:configuration) { MultiSync::Configuration.new }

  context :target_pool_size do
    context :defaults do
      describe :size do
        subject { configuration.target_pool_size }
        it { should > 1 }
      end
    end

    context :custom do
      before do
        configuration.target_pool_size = 3
      end

      describe :size do
        subject { configuration.target_pool_size }
        it { should eq 3 }
      end
    end
  end

  context :credentials do
    before do
      Fog.instance_variable_set('@credential_path', nil)
      Fog.instance_variable_set('@credentials', nil)
      Fog.instance_variable_set('@credential', nil)
    end

    after do
      ENV['FOG_RC'] = nil
      ENV['FOG_CREDENTIAL'] = 'default'
      Fog.instance_variable_set('@credential_path', nil)
      Fog.instance_variable_set('@credentials', nil)
      Fog.instance_variable_set('@credential', nil)
    end

    context 'with default fog credentials' do
      before do
        ENV['FOG_RC'] = nil
        ENV['FOG_CREDENTIAL'] = 'default'
      end

      describe :credentials do
        subject { configuration.credentials }
        it { should be_empty }
      end
    end

    context 'with custom .fog path set' do
      before do
        ENV['FOG_RC'] = '/tmp/fog/.fog'
        ENV['FOG_CREDENTIAL'] = 'default'
      end

      describe :credentials do
        subject { configuration.credentials }
        its([:aws_access_key_id]) { should eq 'AWS_ACCESS_KEY_ID_DEFAULT' }
        its([:aws_secret_access_key]) { should eq 'AWS_SECRET_ACCESS_KEY_DEFAULT' }
      end
    end

    context "with 'alt' credential set" do
      before do
        ENV['FOG_RC'] = '/tmp/fog/.fog'
        ENV['FOG_CREDENTIAL'] = 'alt'
      end

      describe :credentials do
        subject { configuration.credentials }
        its([:aws_access_key_id]) { should eq 'AWS_ACCESS_KEY_ID_ALT' }
        its([:aws_secret_access_key]) { should eq 'AWS_SECRET_ACCESS_KEY_ALT' }
      end
    end
  end
end