brew/Library/Homebrew/test/build_options_test.rb

require "testing_env"
require "build_options"
require "options"

class BuildOptionsTests < Homebrew::TestCase
  def setup
    super
    args = Options.create(%w[--with-foo --with-bar --without-qux])
    opts = Options.create(%w[--with-foo --with-bar --without-baz --without-qux])
    @build = BuildOptions.new(args, opts)
    bad_args = Options.create(%w[--with-foo --with-bar --without-bas --without-qux --without-abc])
    @bad_build = BuildOptions.new(bad_args, opts)
  end

  def test_include
    assert_includes @build, "with-foo"
    refute_includes @build, "with-qux"
    refute_includes @build, "--with-foo"
  end

  def test_with_without
    assert @build.with?("foo")
    assert @build.with?("bar")
    assert @build.with?("baz")
    assert @build.without?("qux")
    assert @build.without?("xyz")
  end

  def test_used_options
    assert_includes @build.used_options, "--with-foo"
    assert_includes @build.used_options, "--with-bar"
  end

  def test_unused_options
    assert_includes @build.unused_options, "--without-baz"
  end

  def test_invalid_options
    assert_empty @build.invalid_options
    assert_includes @bad_build.invalid_options, "--without-bas"
    assert_includes @bad_build.invalid_options, "--without-abc"
    refute_includes @bad_build.invalid_options, "--with-foo"
    refute_includes @bad_build.invalid_options, "--with-baz"
  end

  def test_invalid_option_names
    assert_empty @build.invalid_option_names
    assert_equal @bad_build.invalid_option_names, %w[--without-abc --without-bas]
  end
end