# frozen_string_literal: true

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require_relative "../../../test_helper"
require "agama/storage/callbacks/activate_multipath"
require "agama/dbus/clients/questions"
require "agama/dbus/clients/question"

describe Agama::Storage::Callbacks::ActivateMultipath do
  subject { described_class.new(questions_client, logger) }

  let(:questions_client) { instance_double(Agama::DBus::Clients::Questions) }

  let(:logger) { Logger.new($stdout, level: :warn) }

  describe "#call" do
    before do
      allow(questions_client).to receive(:ask).and_yield(question_client)
    end

    let(:question_client) { instance_double(Agama::DBus::Clients::Question) }

    context "if the devices do not look like real multipath" do
      let(:real_multipath) { false }

      it "does not ask a question" do
        expect(questions_client).to_not receive(:ask)

        subject.call(real_multipath)
      end

      it "returns false" do
        expect(subject.call(real_multipath)).to eq(false)
      end
    end

    context "if the devices look like real multipath" do
      let(:real_multipath) { true }

      it "asks a question to activate multipath" do
        expect(questions_client).to receive(:ask) do |question|
          expect(question.text).to match(/activate multipath\?/)
        end

        subject.call(real_multipath)
      end

      context "and the question is answered as :yes" do
        before do
          allow(question_client).to receive(:answer).and_return(:yes)
        end

        it "returns true" do
          expect(subject.call(real_multipath)).to eq(true)
        end
      end

      context "and the question is answered as :no" do
        before do
          allow(question_client).to receive(:answer).and_return(:no)
        end

        it "returns false" do
          expect(subject.call(real_multipath)).to eq(false)
        end
      end
    end
  end
end
