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test-unit3を触る。 6年ぶりのメジャーバージョンアップ

Last updated at Posted at 2014-08-03

注目はPower Assert

Power Assertはテスト途中の値を視覚的に表示してくれる。

library test/unit
http://docs.ruby-lang.org/ja/2.1.0/library/test=2funit.html
(このページのテストでtest-unit3の動作を見てみる。)

test-unit3を動かす。

動作確認環境

ubuntu14
ruby 2.1.2
gem 2.3.0

test-unitのインストール

gem install test-unit

使い方:

require "test-unit"

ファイル

foo.rb
test_foo.rb
(今回は特にtestディレクトリを作らず、同じ階層に置いた。)

foo.rb
class Foo
   def foo
     "foo"
   end
   def bar
     "foo"
   end
end
test_foo.rb
require "test-unit"
require './foo'

class TC_Foo < Test::Unit::TestCase
  def setup
    @obj = Foo.new
  end

  # def teardown
  # end

  def test_foo
    assert_equal("foo", @obj.foo)
  end
  def test_bar
    assert_equal("bar", @obj.bar)
  end

# 追加部分
  def test_foo
    assert do
      ("foo" == @obj.bar)
    end
  end

  def test_bar
    assert do
      ("bar" == @obj.bar)
    end
  end
end

実行方法

ruby test_foo.rb

実行結果

test_unit3.png

参考

Power Assertとは。

test-unit-power_assertをリリース - 継続にっき(2014-05-31)
http://www.callcc.net/diary/20140531.html#p01

test-unit 公式サイト

注、2014年8月4日午前現在
test-unitのドキュメント
リファレンスマニュアル
のリンクが死亡中。

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