hangman_test2.rb

require_relative 'hangman_class'
require 'test/unit'

class TestHangman < Test::Unit::TestCase
  def test_startup_value
    Hangman.class_eval do 
      attr_accessor :words, :finish, :limit, :win
    end
    hangman = Hangman.new
    assert(hangman.words.length > 0, "should have more than one in dictionary")
    assert_equal(hangman.finish, false)
    assert_equal(hangman.limit, 8)
    assert_equal(hangman.win, false)
  end

  def test_exit
    Hangman.class_eval do 
      attr_accessor :word
    end
    hangman = Hangman.new
    hangman.guess("exit")
    assert(hangman.finish, "should exit when user type exit")
  end

  def test_find_one_char
    Hangman.class_eval do 
      attr_accessor :word, :answer
    end    
    hangman = Hangman.new
    hangman.start
    hangman.word =   "powerpuf"
    hangman.answer = "________"
    hangman.guess("x\n")
    assert_equal("________", hangman.answer)
    hangman.guess("o\n")
    assert_equal("_o______", hangman.answer)
    hangman.guess("p\n")
    assert_equal("po___p__", hangman.answer)        
  end
  
  def test_find_one_and_quick
    Hangman.class_eval do 
      attr_accessor :word, :answer, :finish, :win
    end    
    hangman = Hangman.new
    hangman.start
    hangman.word =   "powerpuf"
    hangman.answer = "________"
    hangman.guess("x\n")
    assert_equal("________", hangman.answer)
    hangman.guess("o\n")
    assert_equal("_o______", hangman.answer)
    hangman.guess("p\n")
    assert_equal("po___p__", hangman.answer)
    hangman.guess("powerpuf\n")
    assert( hangman.finish )
    assert( hangman.win )
  end
  
  def test_cannot_answer
    Hangman.class_eval do 
      attr_accessor :word, :answer, :finish, :win
    end    
    hangman = Hangman.new
    hangman.start
    hangman.word =   "superman"
    hangman.answer = "________"
    assert_equal(hangman.limit, 8)
    hangman.guess("x\n")
    assert_equal("________", hangman.answer)
    assert_equal(hangman.limit, 7)
    hangman.guess("u\n")
    assert_equal("_u______", hangman.answer)
    assert_equal(hangman.limit, 6)
    hangman.guess("p\n")
    assert_equal("_up_____", hangman.answer)
    assert_equal(hangman.limit, 5)
    hangman.guess("z\n")
    assert_equal("_up_____", hangman.answer)
    assert_equal(hangman.limit, 4)
    hangman.guess("p\n")
    assert_equal("_up_____", hangman.answer)
    assert_equal(hangman.limit, 3)
    hangman.guess("u\n")
    assert_equal("_up_____", hangman.answer)
    assert_equal(hangman.limit, 2)
    hangman.guess("s\n")
    assert_equal("sup_____", hangman.answer)
    assert_equal(hangman.limit, 1)
    hangman.guess("p\n")
    assert_equal("sup_____", hangman.answer)
    assert( hangman.finish )
    assert( !hangman.win )
    assert_equal(hangman.limit, 0)
  end

  def test_quick_answer
    Hangman.class_eval do 
      attr_accessor :word, :answer, :win
    end    
    hangman = Hangman.new
    hangman.start
    hangman.word =   "powerpuf"
    hangman.answer = "________"
    hangman.guess("powerpuf\n")
    assert(hangman.finish, "should exit when user type exit")
    assert(hangman.win, "should win when user put true answer")
  end
end