require 'helper'
require 'inspec/resource'

describe 'Inspec::Resources::Shadow' do
  let(:shadow) { load_resource('shadow') }

  it 'content should be mapped correctly' do
    _(shadow.content).must_equal "root:x:1:2:3\nwww-data:!!:10:20:30:40:50:60"
  end

  it 'retrieve users via field' do
    _(shadow.users).must_equal %w{root www-data}
    _(shadow.count).must_equal 2
  end

  it 'retrieve passwords via field' do
    _(shadow.passwords).must_equal %w{x !!}
  end

  it 'retrieve last password change via field' do
    _(shadow.last_changes).must_equal %w{1 10}
  end

  it 'retrieve min password days via field' do
    _(shadow.min_days).must_equal %w{2 20}
  end

  it 'retrieve max password days via field' do
    _(shadow.max_days).must_equal %w{3 30}
  end

  it 'retrieve warning days for password expiry via field' do
    _(shadow.warn_days).must_equal [nil, "40"]
  end

  it 'retrieve days before account is inactive via field' do
    _(shadow.inactive_days).must_equal [nil, "50"]
  end

  it 'retrieve dates when account will expire via field' do
    _(shadow.expiry_dates).must_equal [nil, "60"]
  end

  it 'access all lines of the file' do
    expect_deprecation(:properties_shadow) do
      shadow.lines[0].must_equal 'root:x:1:2:3::::'
    end
  end

  it 'access all params of the file' do
    _(shadow.entries[0].to_h).must_equal({
      user: 'root', password: 'x', last_change: '1',
      min_days: '2', max_days: '3', warn_days: nil,
      inactive_days: nil, expiry_date: nil, reserved: nil,
    })
  end

  it 'returns deprecation notice on user property' do
    expect_deprecation(:properties_shadow) do
      shadow.user.must_equal %w{root www-data}
    end
  end

  it 'returns deprecatation notice on password property' do
    expect_deprecation(:properties_shadow) do
      shadow.password.must_equal %w{x !!}
    end
  end

  it 'returns deprecation notice on last_change property' do
    expect_deprecation(:properties_shadow) do
      shadow.last_change.must_equal %w{1 10}
    end
  end

  it 'returns deprecation notice on expiry_date property' do
    expect_deprecation(:properties_shadow) do
      shadow.expiry_date.must_equal [nil, "60"]
    end
  end

  describe 'multiple filters' do
    it 'filters with min_days and max_days' do
      _(shadow.filter(min_days: 20, max_days: 30).users).must_equal ['www-data']
      _(shadow.filter(last_change: 1, min_days: 2).users).must_equal ['root']
    end
  end

  describe 'when method chained' do
    let(:unreadable_shadow) { load_resource('shadow', '/fakepath/fakefile') }

    it 'can read /etc/shadow and #filter matches user with no password and inactive_days' do
      users = shadow.filter(password: /[^x]/).entries.map { |x| x['user'] }

      users.each do |expected_user|
        expect_deprecation(:properties_shadow) do
          shadow.user(expected_user).users.must_equal(['www-data'])
        end
        expect_deprecation(:properties_shadow) do
          shadow.user(expected_user).inactive_days.must_equal(['50'])
        end
      end
    end

    it 'cant read /etc/unreadable_shadow and #filter matches nothing' do
      users = unreadable_shadow.filter(password: /[^x]/).entries.map { |x| x['user'] }
      users.each do |user|
        expect(shadow.users(user).user).must_equal([])
        expect(shadow.users(user).inactive_days).must_equal([])
      end
    end

    it 'returns the unreadable_shadow path' do
      expect(unreadable_shadow.to_s).must_equal '/fakepath/fakefile'
    end
  end

  describe 'filter via name =~ /^www/' do
    let(:child) { shadow.users(/^www/) }

    it 'filters by user via name (regex)' do
      _(child.users).must_equal ['www-data']
      _(child.count).must_equal 1
    end

    it 'prints a nice to_s string' do
      _(child.to_s).must_equal '/etc/shadow with user == /^www/'
    end
  end

  describe 'filter via name = root' do
    let(:child) { shadow.users('root') }

    it 'filters by user name' do
      _(child.users).must_equal %w{root}
      _(child.count).must_equal 1
    end
  end

  describe 'filter via min_days' do
    let(:child) { shadow.min_days('20') }

    it 'filters by property' do
      _(child.users).must_equal %w{www-data}
      _(child.count).must_equal 1
    end
  end

  describe 'it raises errors' do
    it 'fails and raises error on unsupported os' do
      resource = MockLoader.new(:windows).load_resource('shadow')
      _(resource.resource_failed?).must_equal true
      _(resource.resource_exception_message)
        .must_equal 'Resource `shadow` is not supported on platform windows/6.2.9200.'
    end
  end
end