ruby--ruby/test/optparse/test_reqarg.rb

require 'test_optparse'

module TestOptionParser::ReqArg
  class Def1 < TestOptionParser
    include ReqArg
    def setup
      super
      @opt.def_option("-xVAL") {|x| @flag = x}
      @opt.def_option("--option=VAL") {|x| @flag = x}
    end
  end
  class Def2 < TestOptionParser
    include ReqArg
    def setup
      super
      @opt.def_option("-x", "--option=VAL") {|x| @flag = x}
    end
  end
  class Def3 < TestOptionParser
    include ReqArg
    def setup
      super
      @opt.def_option("--option=VAL", "-x") {|x| @flag = x}
    end
  end
  class Def4 < TestOptionParser
    include ReqArg
    def setup
      super
      @opt.def_option("-xVAL", "--option=VAL") {|x| @flag = x}
    end
  end

  def test_short
    assert_raise(OptionParser::MissingArgument) {@opt.parse!(%w"-x")}
    assert_equal(%w"", no_error {@opt.parse!(%w"-x foo")})
    assert_equal("foo", @flag)
    assert_equal(%w"", no_error {@opt.parse!(%w"-xbar")})
    assert_equal("bar", @flag)
    assert_equal(%w"", no_error {@opt.parse!(%w"-x=")})
    assert_equal("=", @flag)
  end

  def test_abbrev
    assert_raise(OptionParser::MissingArgument) {@opt.parse!(%w"-o")}
    assert_equal(%w"", no_error {@opt.parse!(%w"-o foo")})
    assert_equal("foo", @flag)
    assert_equal(%w"", no_error {@opt.parse!(%w"-obar")})
    assert_equal("bar", @flag)
    assert_equal(%w"", no_error {@opt.parse!(%w"-o=")})
    assert_equal("=", @flag)
  end

  def test_long
    assert_raise(OptionParser::MissingArgument) {@opt.parse!(%w"--opt")}
    assert_equal(%w"", no_error {@opt.parse!(%w"--opt foo")})
    assert_equal("foo", @flag)
    assert_equal(%w"foo", no_error {@opt.parse!(%w"--opt= foo")})
    assert_equal("", @flag)
    assert_equal(%w"", no_error {@opt.parse!(%w"--opt=foo")})
    assert_equal("foo", @flag)
  end

  class TestOptionParser::WithPattern < TestOptionParser
    def test_pattern
      pat = num = nil
      @opt.def_option("--pattern=VAL", /(\w+)(?:\s*:\s*(\w+))?/) {|x, y, z| pat = [x, y, z]}
      @opt.def_option("-T NUM", /\A[1-4]\z/) {|n| num = n}
      no_error {@opt.parse!(%w"--pattern=key:val")}
      assert_equal(%w"key:val key val", pat, '[ruby-list:45645]')
      no_error {@opt.parse!(%w"-T 4")}
      assert_equal("4", num, '[ruby-dev:37514]')
    end
  end
end