pseudo_lpx_link_options_spec.rb

require_relative 'lpx_links'

describe "lpx_links" do
  describe "#generate_links" do
    it "generates download links" do
      expect { generate_links }.to output("Download links generated.\n").to_stdout
    end
  end

  describe "#download_packages" do
    it "downloads packages" do
      expect { download_packages(false) }.to output("Packages downloaded.\n").to_stdout
    end

    it "downloads mandatory packages only" do
      expect { download_packages(true) }.to output("Packages downloaded.\n").to_stdout
    end
  end

  describe "#install_packages" do
    it "installs packages" do
      expect { install_packages(false) }.to output("Packages installed.\n").to_stdout
    end

    it "installs mandatory packages only" do
      expect { install_packages(true) }.to output("Packages installed.\n").to_stdout
    end
  end

  describe "CLI" do
    context "when no options are specified" do
      it "displays a menu of options" do
        expect do
          allow_any_instance_of(Kernel).to receive(:gets).and_return("4")
          load 'lpx_links.rb'
        end.to output(/Select an option:/).to_stdout
      end
    end

    context "when option -g is specified" do
      it "calls #generate_links" do
        expect_any_instance_of(Object).to receive(:generate_links)
        load 'lpx_links.rb', true, ['-g']
      end
    end

    context "when option -d is specified" do
      it "calls #download_packages without mandatory-only flag" do
        expect_any_instance_of(Object).to receive(:download_packages).with(false)
        load 'lpx_links.rb', true, ['-d']
      end

      it "calls #download_packages with mandatory-only flag" do
        expect_any_instance_of(Object).to receive(:download_packages).with(true)
        load 'lpx_links.rb', true, ['-d', '-m']
      end
    end

    context "when option -i is specified" do
      it "calls #install_packages without mandatory-only flag" do
        expect_any_instance_of(Object).to receive(:install_packages).with(false)
        load 'lpx_links.rb', true, ['-i']
      end

      it "calls #install_packages with mandatory-only flag" do
        expect_any_instance_of(Object).to receive(:install_packages).with(true)
        load 'lpx_links.rb', true, ['-i', '-m']
      end
    end

    context "when option -h is specified" do
      it "displays usage help" do
        expect do
          load 'lpx_links.rb', true, ['-h']
        end.to output(/Usage: lpx_links\.rb/).to_stdout
      end
    end
  end
end