Ruby工程简明模板以及自动化测试

ex47_test.rb

require 'test/unit'
require_relative '../lib/game'        # 用 require_relative 加载本地文件，省略后缀

class MyTest < Test::Unit::TestCase   # 三个测试用例
  def test_room()
    gold = Room.new("GoldRoom", """This room has gold in it you can grab. There's a door to the north.""")
    assert_equal(gold.name, "GoldRoom")         # 断言
    assert_equal(gold.paths, {})
  end

  def test_room_paths()
    center = Room.new("Center", "Test room in the center.")
    north = Room.new("North", "Test room in the north.")
    south = Room.new("South", "Test room in the south.")

    center.add_paths({:north => north, :south => south})
    assert_equal(center.go(:north), north)
    assert_equal(center.go(:south), south)
  end

  def test_map()
    start = Room.new("Start", "You can go west and down a hole.")
    west = Room.new("Trees", "There are trees here, you can go east.")
    down = Room.new("Dungeon", "It's dark down here, you can go up.")

    start.add_paths({:west => west, :down => down})
    west.add_paths({:east => start})
    down.add_paths({:up => start})

    assert_equal(start.go(:west), west)
    assert_equal(start.go(:west).go(:east), start)
    assert_equal(start.go(:down).go(:up), start)
  end
end

game.rb

class Room
  attr_accessor :name, :description, :paths     # 相当于类变量，生成getter、setter方法

  def initialize(name, description)
    @name = name
    @description = description
    @paths = {}
  end

  def go(direction)
    @paths[direction]
  end

  def add_paths(paths)
    @paths.update(paths)
  end
end

result

Run options: 

# Running tests:

...

Finished tests in 0.005094s, 588.9282 tests/s, 1374.1657 assertions/s.

3 tests, 7 assertions, 0 failures, 0 errors, 0 skips

ruby -v: ruby 2.0.0p195 (2013-05-14 revision 40734) [x86_64-darwin12.4.0]

Process finished with exit code 0

structure_example

├── ex47
│   ├── bin
│   ├── game.gemspec
│   ├── lib
│   │   ├── game
│   │   │   └── version.rb
│   │   └── game.rb
│   └── test
│       └── ex47_test.rb