require "test_helper"

describe "Cask" do
  hbc_relative_tap_path = "../../Taps/caskroom/homebrew-cask"
  describe "load" do
    it "returns an instance of the Cask for the given token" do
      c = Hbc.load("adium")
      c.must_be_kind_of(Hbc::Cask)
      c.token.must_equal("adium")
    end

    it "returns an instance of the Cask from a specific file location" do
      location = File.expand_path(hbc_relative_tap_path + "/Casks/dia.rb")
      c = Hbc.load(location)
      c.must_be_kind_of(Hbc::Cask)
      c.token.must_equal("dia")
    end

    it "returns an instance of the Cask from a url" do
      url = "file://" + File.expand_path(hbc_relative_tap_path + "/Casks/dia.rb")
      c = shutup do
        Hbc.load(url)
      end
      c.must_be_kind_of(Hbc::Cask)
      c.token.must_equal("dia")
    end

    it "raises an error when failing to download a Cask from a url" do
      lambda {
        url = "file://" + File.expand_path(hbc_relative_tap_path + "/Casks/notacask.rb")
        shutup do
          Hbc.load(url)
        end
      }.must_raise(Hbc::CaskUnavailableError)
    end

    it "returns an instance of the Cask from a relative file location" do
      c = Hbc.load(hbc_relative_tap_path + "/Casks/bbedit.rb")
      c.must_be_kind_of(Hbc::Cask)
      c.token.must_equal("bbedit")
    end

    it "uses exact match when loading by token" do
      Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/test-opera.rb").token.must_equal("test-opera")
      Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/test-opera-mail.rb").token.must_equal("test-opera-mail")
    end

    it "raises an error when attempting to load a Cask that doesn't exist" do
      lambda {
        Hbc.load("notacask")
      }.must_raise(Hbc::CaskUnavailableError)
    end
  end

  describe "all_tokens" do
    it "returns a token for every Cask" do
      all_cask_tokens = Hbc.all_tokens
      all_cask_tokens.count.must_be :>, 20
      all_cask_tokens.each { |token| token.must_be_kind_of String }
    end
  end

  describe "metadata" do
    it "proposes a versioned metadata directory name for each instance" do
      cask_token = "adium"
      c = Hbc.load(cask_token)
      metadata_path = Hbc.caskroom.join(cask_token, ".metadata", c.version)
      c.metadata_versioned_container_path.to_s.must_equal(metadata_path.to_s)
    end
  end
end
