Library/Homebrew/test/cask/artifact/generic_artifact_spec.rb


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describe Hbc::Artifact::Artifact, :cask do
  let(:cask) { Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-generic-artifact.rb") }

  let(:install_phase) {
    -> { Hbc::Artifact::Artifact.new(cask).install_phase }
  }

  let(:source_path) { cask.staged_path.join("Caffeine.app") }
  let(:target_path) { Hbc.appdir.join("Caffeine.app") }

  before do
    InstallHelper.install_without_artifacts(cask)
  end

  describe "with no target" do
    let(:cask) { Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-generic-artifact-no-target.rb") }

    it "fails to install with no target" do
      expect(install_phase).to raise_error(Hbc::CaskInvalidError)
    end
  end

  it "moves the artifact to the proper directory" do
    shutup do
      install_phase.call
    end

    expect(target_path).to be_a_directory
    expect(source_path).not_to exist
  end

  it "avoids clobbering an existing artifact" do
    target_path.mkpath

    expect {
      shutup do
        install_phase.call
      end
    }.to raise_error(Hbc::CaskError)

    expect(source_path).to be_a_directory
    expect(target_path).to be_a_directory
    expect(File.identical?(source_path, target_path)).to be false
  end
end