brew/Library/Homebrew/test/utils/timer_spec.rb

# frozen_string_literal: true

require "utils/timer"

RSpec.describe Utils::Timer do
  describe "#remaining" do
    it "returns nil when nil" do
      expect(described_class.remaining(nil)).to be_nil
    end

    it "returns time remaining when there is time remaining" do
      expect(described_class.remaining(Time.now + 10)).to be > 1
    end

    it "returns 0 when there is no time remaining" do
      expect(described_class.remaining(Time.now - 10)).to be 0
    end
  end

  describe "#remaining!" do
    it "returns nil when nil" do
      expect(described_class.remaining!(nil)).to be_nil
    end

    it "returns time remaining when there is time remaining" do
      expect(described_class.remaining!(Time.now + 10)).to be > 1
    end

    it "returns 0 when there is no time remaining" do
      expect { described_class.remaining!(Time.now - 10) }.to raise_error(Timeout::Error)
    end
  end
end