# encoding: UTF-8

require_relative 'spec_helper'

describe 'openstack-compute::libvirt' do
  before do
    # This is stubbed b/c systems without '/boot/grub/menul.lst`,
    # fail to pass tests.  This can be removed if a check verifies
    # the files existence prior to File#open.
    allow(File).to receive(:open).and_call_original
  end

  describe 'suse' do
    let(:runner) { ChefSpec::SoloRunner.new(SUSE_OPTS) }
    let(:node) { runner.node }
    let(:chef_run) { runner.converge(described_recipe) }

    include_context 'compute_stubs'

    it 'upgrade libvirt package' do
      expect(chef_run).to upgrade_package 'libvirt'
      expect(chef_run).to upgrade_package 'device-mapper'
    end

    it 'creates libvirtd group and adds nova as a member' do
      expect(chef_run).to create_group('libvirt').with(members: ['openstack-nova'])
    end

    it 'starts libvirt' do
      expect(chef_run).to start_service 'libvirtd'
    end

    it 'starts libvirt on boot' do
      expect(chef_run).to enable_service 'libvirtd'
    end

    it 'does not install /etc/sysconfig/libvirtd' do
      expect(chef_run).not_to create_template('/etc/sysconfig/libvirtd')
    end

    it 'upgrade kvm package' do
      expect(chef_run).to upgrade_package 'kvm'
    end

    it 'upgrade kvm package' do
      node.set['openstack']['compute']['libvirt']['virt_type'] = 'qemu'
      expect(chef_run).to upgrade_package 'kvm'
    end

    it 'upgrade xen packages' do
      node.set['openstack']['compute']['libvirt']['virt_type'] = 'xen'
      ['kernel-xen', 'xen', 'xen-tools'].each do |pkg|
        expect(chef_run).to upgrade_package pkg
      end
    end

    describe 'lxc' do
      before do
        node.set['openstack']['compute']['libvirt']['virt_type'] = 'lxc'
      end

      it 'upgrade lxc package' do
        expect(chef_run).to upgrade_package 'lxc'
      end

      it 'starts boot.cgroupslxc' do
        expect(chef_run).to start_service 'boot.cgroup'
      end

      it 'starts boot.cgroups on boot' do
        expect(chef_run).to enable_service 'boot.cgroup'
      end
    end
  end
end