require 'helper'
require 'inspec/resource'

describe 'Inspec::Resources::EtcHosts' do
  let(:resource) { load_resource('etc_hosts') }

  let(:all_v4_hosts) do
    %W{localhost localhost.localdomain localhost4 localhost4.localdomain4}
  end

  let(:all_v6_hosts) do
    %W{localhost localhost.localdomain localhost6 localhost6.localdomain6}
  end

  it 'Verify etc_hosts filtering by `ip_address`'  do
    entries = resource.where { ip_address == '127.0.0.1' }
    _(entries.primary_name).must_equal ['localhost']
    _(entries.all_host_names).must_equal [all_v4_hosts]
  end

  it 'Verify etc_hosts filtering by `canonical_hostname`'  do
    entries = resource.where { primary_name == 'localhost' }
    _(entries.ip_address).must_equal ['127.0.0.1', '::1']
    _(entries.all_host_names).must_equal [all_v4_hosts, all_v6_hosts]
  end

  it 'Verify etc_hosts filtering by `all_host_names`'  do
    # direct reference all_v4_hosts fail in filter scope
    expected_hosts = all_v4_hosts

    entries = resource.where { all_host_names == expected_hosts }
    _(entries.ip_address).must_equal ['127.0.0.1']
    _(entries.primary_name).must_equal ['localhost']
  end

  it 'Verify etc_hosts with no `all_host_names`'  do
    entries = resource.where { ip_address == '127.0.0.5'}
    _(entries.primary_name).must_equal ['randomhost']
    _(entries.all_host_names).must_equal [['randomhost']]
  end
end