class Nanoc::Extra::Deployers::RsyncTest < Nanoc::TestCase
  def test_run_without_dst
    # Create deployer
    rsync = Nanoc::Extra::Deployers::Rsync.new(
      'output/',
      {})

    # Mock run_shell_cmd
    def rsync.run_shell_cmd(args)
      @shell_cms_args = args
    end

    # Try running
    error = assert_raises(RuntimeError) do
      rsync.run
    end

    # Check error message
    assert_equal 'No dst found in deployment configuration', error.message
  end

  def test_run_with_erroneous_dst
    # Create deployer
    rsync = Nanoc::Extra::Deployers::Rsync.new(
      'output/',
      { dst: 'asdf/' })

    # Mock run_shell_cmd
    def rsync.run_shell_cmd(args)
      @shell_cms_args = args
    end

    # Try running
    error = assert_raises(RuntimeError) do
      rsync.run
    end

    # Check error message
    assert_equal 'dst requires no trailing slash', error.message
  end

  def test_run_everything_okay
    # Create deployer
    rsync = Nanoc::Extra::Deployers::Rsync.new(
      'output',
      { dst: 'asdf' })

    # Mock run_shell_cmd
    def rsync.run_shell_cmd(args)
      @shell_cms_args = args
    end

    # Run
    rsync.run

    # Check args
    opts = Nanoc::Extra::Deployers::Rsync::DEFAULT_OPTIONS
    assert_equal(
      ['rsync', opts, 'output/', 'asdf'].flatten,
      rsync.instance_eval { @shell_cms_args },
    )
  end

  def test_run_everything_okay_dry
    # Create deployer
    rsync = Nanoc::Extra::Deployers::Rsync.new(
      'output',
      { dst: 'asdf' },
      dry_run: true)

    # Mock run_shell_cmd
    def rsync.run_shell_cmd(args)
      @shell_cms_args = args
    end

    # Run
    rsync.run

    # Check args
    opts = Nanoc::Extra::Deployers::Rsync::DEFAULT_OPTIONS
    assert_equal(
      ['echo', 'rsync', opts, 'output/', 'asdf'].flatten,
      rsync.instance_eval { @shell_cms_args },
    )
  end
end