# frozen_string_literal: true

describe Facts::Linux::Mountpoints do
  describe '#call_the_resolver' do
    subject(:fact) { Facts::Linux::Mountpoints.new }

    context 'when resolver returns hash' do
      let(:resolver_output) do
        [{ available: '63.31 GiB',
           available_bytes: 67_979_685_888,
           capacity: '84.64%',
           device: '/dev/nvme0n1p2',
           filesystem: 'ext4',
           options: %w[rw noatime],
           path: '/',
           size: '434.42 GiB',
           size_bytes: 466_449_743_872,
           used: '348.97 GiB',
           used_bytes: 374_704_357_376 }]
      end
      let(:parsed_fact) do
        { '/' => { 'available' => '63.31 GiB',
                   'available_bytes' => 67_979_685_888,
                   'capacity' => '84.64%',
                   'device' => '/dev/nvme0n1p2',
                   'filesystem' => 'ext4',
                   'options' => %w[rw noatime],
                   'size' => '434.42 GiB',
                   'size_bytes' => 466_449_743_872,
                   'used' => '348.97 GiB',
                   'used_bytes' => 374_704_357_376 } }
      end

      before do
        allow(Facter::Resolvers::Mountpoints).to receive(:resolve).with(:mountpoints).and_return(resolver_output)
      end

      it 'returns mountpoints information' do
        expect(fact.call_the_resolver).to be_an_instance_of(Facter::ResolvedFact).and \
          have_attributes(name: 'mountpoints', value: parsed_fact)
      end
    end

    context 'when resolver returns nil' do
      before do
        allow(Facter::Resolvers::Mountpoints).to receive(:resolve).with(:mountpoints).and_return(nil)
      end

      it 'returns mountpoints information' do
        expect(fact.call_the_resolver).to be_an_instance_of(Facter::ResolvedFact).and \
          have_attributes(name: 'mountpoints', value: nil)
      end
    end
  end
end
