require "helper"
require "inspec/resource"
require "inspec/resources/shadow"

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