require 'puppet'
require 'spec_helper'
require 'puppet/provider/keystone_role/openstack'

provider_class = Puppet::Type.type(:keystone_role).provider(:openstack)

describe provider_class do

  let(:set_env) do
    ENV['OS_USERNAME']     = 'test'
    ENV['OS_PASSWORD']     = 'abc123'
    ENV['OS_SYSTEM_SCOPE'] = 'all'
    ENV['OS_AUTH_URL']     = 'http://127.0.0.1:5000'
  end

  before(:each) do
    set_env
  end

  describe 'when creating a role' do
    let(:role_attrs) do
      {
        :name         => 'foo',
        :ensure       => 'present',
      }
    end

    let(:resource) do
      Puppet::Type::Keystone_role.new(role_attrs)
    end

    let(:provider) do
      provider_class.new(resource)
    end

    describe '#create' do
      it 'creates a role' do
        expect(provider.class).to receive(:openstack)
          .with('role', 'create', '--format', 'shell', 'foo')
          .and_return('name="foo"')
        provider.create
        expect(provider.exists?).to be_truthy
      end
    end

    describe '#destroy' do
      it 'destroys a role' do
        expect(provider.class).to receive(:openstack)
          .with('role', 'delete', [])
        provider.destroy
        expect(provider.exists?).to be_falsey
      end

    end

    describe '#exists' do
      context 'when role does not exist' do
        subject(:response) do
          response = provider.exists?
        end
        it { is_expected.to be_falsey }
      end
    end

    describe '#instances' do
      it 'finds every role' do
        expect(provider.class).to receive(:openstack)
          .with('role', 'list', '--quiet', '--format', 'csv', [])
          .and_return('"ID","Name"
"1cb05cfed7c24279be884ba4f6520262","foo"
'
                  )
        instances = Puppet::Type::Keystone_role::ProviderOpenstack.instances
        expect(instances.count).to eq(1)
      end
    end
  end
end