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path: root/jni/ruby/test/rake/test_rake_task_arguments.rb
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require File.expand_path('../helper', __FILE__)

######################################################################
class TestRakeTaskArguments < Rake::TestCase
  def teardown
    ENV.delete('rev')
    ENV.delete('VER')

    super
  end

  def test_empty_arg_list_is_empty
    ta = Rake::TaskArguments.new([], [])
    assert_equal({}, ta.to_hash)
  end

  def test_multiple_values_in_args
    ta = Rake::TaskArguments.new([:a, :b, :c], [:one, :two, :three])
    assert_equal({:a => :one, :b => :two, :c => :three}, ta.to_hash)
  end

  def test_has_key
    ta = Rake::TaskArguments.new([:a], [:one])
    assert(ta.has_key?(:a))
    refute(ta.has_key?(:b))
  end

  def test_to_s
    ta = Rake::TaskArguments.new([:a, :b, :c], [1, 2, 3])
    assert_equal ta.to_hash.inspect, ta.to_s
    assert_equal ta.to_hash.inspect, ta.inspect
  end

  def test_enumerable_behavior
    ta = Rake::TaskArguments.new([:a, :b, :c], [1, 2, 3])
    assert_equal [10, 20, 30], ta.map { |k, v| v * 10 }.sort
  end

  def test_named_args
    ta = Rake::TaskArguments.new(["aa", "bb"], [1, 2])
    assert_equal 1, ta.aa
    assert_equal 1, ta[:aa]
    assert_equal 1, ta["aa"]
    assert_equal 2, ta.bb
    assert_nil ta.cc
  end

  def test_args_knows_its_names
    ta = Rake::TaskArguments.new(["aa", "bb"], [1, 2])
    assert_equal ["aa", "bb"], ta.names
  end

  def test_extra_names_are_nil
    ta = Rake::TaskArguments.new(["aa", "bb", "cc"], [1, 2])
    assert_nil ta.cc
  end

  def test_args_do_not_reference_env_values
    ta = Rake::TaskArguments.new(["aa"], [1])
    ENV['rev'] = "1.2"
    ENV['VER'] = "2.3"
    assert_nil ta.rev
    assert_nil ta.ver
  end

  def test_creating_new_argument_scopes
    parent = Rake::TaskArguments.new(['p'], [1])
    child = parent.new_scope(['c', 'p'])
    assert_equal({:p=>1}, child.to_hash)
    assert_equal 1, child.p
    assert_equal 1, child["p"]
    assert_equal 1, child[:p]
    assert_nil child.c
  end

  def test_child_hides_parent_arg_names
    parent = Rake::TaskArguments.new(['aa'], [1])
    child = Rake::TaskArguments.new(['aa'], [2], parent)
    assert_equal 2, child.aa
  end

  def test_default_arguments_values_can_be_merged
    ta = Rake::TaskArguments.new(["aa", "bb"], [nil, "original_val"])
    ta.with_defaults({ :aa => 'default_val' })
    assert_equal 'default_val', ta[:aa]
    assert_equal 'original_val', ta[:bb]
  end

  def test_default_arguments_that_dont_match_names_are_ignored
    ta = Rake::TaskArguments.new(["aa", "bb"], [nil, "original_val"])
    ta.with_defaults({ "cc" => "default_val" })
    assert_nil ta[:cc]
  end

  def test_all_and_extra_arguments_without_named_arguments
    app = Rake::Application.new
    _, args = app.parse_task_string("task[1,two,more]")
    ta = Rake::TaskArguments.new([], args)
    assert_equal [], ta.names
    assert_equal ['1', 'two', 'more'], ta.to_a
    assert_equal ['1', 'two', 'more'], ta.extras
  end

  def test_all_and_extra_arguments_with_named_arguments
    app = Rake::Application.new
    _, args = app.parse_task_string("task[1,two,more,still more]")
    ta = Rake::TaskArguments.new([:first, :second], args)
    assert_equal [:first, :second], ta.names
    assert_equal "1", ta[:first]
    assert_equal "two", ta[:second]
    assert_equal ['1', 'two', 'more', 'still more'], ta.to_a
    assert_equal ['more', 'still more'], ta.extras
  end

  def test_extra_args_with_less_than_named_arguments
    app = Rake::Application.new
    _, args = app.parse_task_string("task[1,two]")
    ta = Rake::TaskArguments.new([:first, :second, :third], args)
    assert_equal [:first, :second, :third], ta.names
    assert_equal "1", ta[:first]
    assert_equal "two", ta[:second]
    assert_equal nil, ta[:third]
    assert_equal ['1', 'two'], ta.to_a
    assert_equal [], ta.extras
  end

end