brew/Library/Homebrew/test/cask/conflicts_with_spec.rb

# frozen_string_literal: true

describe "conflicts_with", :cask do
  describe "conflicts_with cask" do
    let(:local_caffeine) do
      Cask::CaskLoader.load(cask_path("local-caffeine"))
    end

    let(:with_conflicts_with) do
      Cask::CaskLoader.load(cask_path("with-conflicts-with"))
    end

    it "installs the dependency of a Cask and the Cask itself" do
      Cask::Installer.new(local_caffeine).install

      expect(local_caffeine).to be_installed

      expect do
        Cask::Installer.new(with_conflicts_with).install
      end.to raise_error(Cask::CaskConflictError, "Cask 'with-conflicts-with' conflicts with 'local-caffeine'.")

      expect(with_conflicts_with).not_to be_installed
    end
  end
end