\u521d\u5fc3\u8005\u3067\u3082\u304b\u3093\u305f\u3093\uff01Ruby on Rails \u306e\u958b\u767a\u74b0\u5883\u306e\u69cb\u7bc9\u624b\u9806\uff08Mac\/Windows \u4e21\u5bfe\u5fdc\uff09<\/div>\n
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/a>\n \n
Gemfile\u306b\u8ffd\u52a0<\/h3>\n
Ruby on Rails \u306bRSpec\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u305f\u3081\u306b\u306fBundler<\/strong><\/span>\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\nGemfile\u3092\u958b\u3044\u3066\u6b21\u306e\u3088\u3046\u306b\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong><\/span><\/p>\ngroup :development, :test do\r\n # \u301c \u7701\u7565 \u301c\r\n gem 'rspec-rails'\r\nend<\/pre>\nbundle\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n
bundle install<\/pre>\n\u7d9a\u3044\u3066\u3001Ruby on Rails\u3067Rspec\u3092\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u521d\u671f\u8a2d\u5b9a\u3092\u3057\u307e\u3059\u3002<\/p>\n
RSpec\u306e\u521d\u671f\u8a2d\u5b9a<\/h3>\n
Ruby on Rails\u3067Rspec\u3092\u4f7f\u3046\u305f\u3081\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u521d\u671f\u8a2d\u5b9a\u3059\u308b<\/strong><\/span>\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\nbin\/rails generate rspec:install<\/pre>\n\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
Running via Spring preloader in process 17316\r\n create .rspec # \u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\r\n create spec # \u30b9\u30da\u30c3\u30af\u30d5\u30a1\u30a4\u30eb\u3092\u683c\u7d0d\u3059\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\r\n create spec\/spec_helper.rb # RSpec\u306e\u30d8\u30eb\u30d1(\u30e1\u30bd\u30c3\u30c9\u7fa4) \r\n create spec\/rails_helper.rb # Rails\u7528\u306eRSpec\u306e\u30d8\u30eb\u30d1(\u30e1\u30bd\u30c3\u30c9\u7fa4)<\/pre>\n\u3053\u308c\u3067\u3001RSpec\u3092\u4f7f\u3046\u305f\u3081\u306e\u6e96\u5099\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
\u30b9\u30da\u30c3\u30af\u306e\u914d\u7f6e\u30eb\u30fc\u30eb\u3068\u547d\u540d\u898f\u5247<\/h3>\n
RSpec\u3067\u306f\u3001\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u306e\u3053\u3068\u3092\u30b9\u30da\u30c3\u30af(\u4ed5\u69d8)<\/strong><\/span>\u3068\u8a00\u3044\u307e\u3059\u3002<\/p>\n\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u306f\u3001\u4ed5\u69d8(\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u632f\u308b\u821e\u3044)\u3092\u66f8\u304f\u3053\u3068\u3068\u540c\u3058<\/strong><\/span>\u3068\u8003\u3048\u308b\u3068\u7406\u89e3\u3057\u3084\u3059\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\u305d\u3057\u3066\u3001\u3053\u306e\u30b9\u30da\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u914d\u7f6e\u30eb\u30fc\u30eb\u3068\u547d\u540d\u898f\u5247<\/strong><\/span>\u306b\u5f93\u308f\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\nRuby on Rails\u306e\u5834\u5408\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u914d\u7f6e\u3057\u307e\u3059\u3002<\/p>\n
spec\/\r\n models\/\r\n \u30e2\u30c7\u30eb\u30d5\u30a1\u30a4\u30eb\u540d_spec.rb\r\n controllers\/ \r\n \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30d5\u30a1\u30a4\u30eb\u540d_spec.rb\r\n views\/\r\n erb\u30d5\u30a1\u30a4\u30eb\u540d_spec.rb<\/pre>\n\u3053\u306e\u3088\u3046\u306b\u3001Ruby on Rails\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210\u3068\u540c\u3058\u968e\u5c64\u69cb\u6210<\/strong><\/span>\u3067spec\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306b\u914d\u7f6e\u3057\u307e\u3059\u3002<\/p>\nRSpec\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u304c\u5b8c\u4e86\u3057\u305f\u306e\u3067\u3001\u6b21\u306f\u30c6\u30b9\u30c8\u65b9\u6cd5\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\uff01<\/p>\n
Ruby on Rails \u3092\u30c6\u30b9\u30c8\u3057\u3066\u307f\u3088\u3046<\/h2>\n\u30c6\u30b9\u30c8\u6e96\u5099<\/h3>\n
\u307e\u305a\u306f\u3058\u3081\u306b\u3001\u30c6\u30b9\u30c8\u5bfe\u8c61\u3068\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u306e\u30e2\u30c7\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
\u4eca\u56de\u306f\u3001\u59d3(last_name)<\/strong><\/span>\u3068\u540d(first_name)<\/strong><\/span>\u3092\u5c5e\u6027\u306b\u6301\u3064User\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3001\u59d3\u540d<\/strong><\/span>\u3092\u8fd4\u5374\u3059\u308b\u300cfull_name\u30e1\u30bd\u30c3\u30c9<\/strong><\/span>\u300d\u3092\u6301\u3064\u4ed5\u69d8\u306b\u3057\u307e\u3059\u3002<\/p>\n\u6b21\u306egenarete\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001\u30e2\u30c7\u30eb\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
rails g model user first_name:string last_name:string<\/pre>\n\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
Running via Spring preloader in process 17421\r\n invoke active_record\r\n create db\/migrate\/20180407090831_create_users.rb\r\n create app\/models\/user.rb\r\n invoke rspec\r\n create \u3000spec\/models\/user_spec.rb<\/pre>\n\u5b9f\u884c\u7d50\u679c\u3092\u898b\u308b\u3068\u3001User\u30e2\u30c7\u30eb\u3068\u3068\u3082\u306b\u30b9\u30da\u30c3\u30af\u304c\u81ea\u52d5\u4f5c\u6210<\/strong><\/span>\u3055\u308c\u305f\u306e\u304c\u308f\u304b\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\u3082\u3057\u3082\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30b9\u30da\u30c3\u30af\u30d5\u30a1\u30a4\u30eb\u3092\u624b\u52d5\u3067\u4f5c\u6210<\/strong><\/span>\u3057\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\u6700\u5f8c\u306b\u300cdb:migrate\u300d\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308c\u3070\u3001\u30c6\u30b9\u30c8\u5bfe\u8c61\u306e\u30b5\u30f3\u30d7\u30eb\u30e2\u30c7\u30eb\u306f\u4f5c\u6210\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n
rails db:migrate<\/pre>\n\u671f\u5f85\u3059\u308b\u632f\u308b\u821e\u3044\u3092\u6587\u7ae0\u3067\u66f8\u304f<\/h3>\n
\u305d\u308c\u3067\u306f\u3001User\u30e2\u30c7\u30eb\u306e\u30b9\u30da\u30c3\u30af\u3092\u66f8\u3044\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u30c6\u30b9\u30c8\u30d5\u30a1\u30fc\u30b9\u30c8\u306e\u8003\u3048\u65b9<\/strong><\/span>\u306f\u3001<\/p>\n\n- \u671f\u5f85\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u632f\u308b\u821e\u3044\u3092\u30b9\u30da\u30c3\u30af\u306b\u8a18\u8ff0\u3059\u308b<\/li>\n
- \u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u88c5\u3059\u308b<\/li>\n<\/ol>\n
\u3092\u7e70\u308a\u8fd4\u3059\u3053\u3068\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u306d\u3002<\/p>\n
\u305d\u306e\u6d41\u308c\u306b\u6cbf\u3063\u3066\u3001\u306f\u3058\u3081\u306bRSpec\u3067\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
\u306f\u3058\u3081\u306b\u767b\u5834\u3059\u308bit \u30e1\u30bd\u30c3\u30c9<\/strong><\/span>\u306f\u3001\u30c6\u30b9\u30c8\u5bfe\u8c61\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u3069\u306e\u3088\u3046\u306a\u632f\u308b\u821e\u3044\u3092\u3059\u308b\u304b<\/strong><\/span><\/strong><\/span>\u3092\u6587\u7ae0\u3067\u66f8\u304d\u307e\u3059\u3002<\/p>\n\n- it(<\/strong><\/span><\/strong><\/span>“\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u632f\u308b\u821e\u3044\u3092\u6587\u7ae0\u3067\u8a18\u8ff0”)<\/strong><\/span><\/strong><\/span><\/li>\n<\/ul>\n
it \u30e1\u30bd\u30c3\u30c9\u306f\u4f55\u304b\u306e\u51e6\u7406\u3092\u3059\u308b\u8a33\u3067\u306f\u306a\u304f<\/strong><\/span>\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4ed5\u69d8\u3092\u66f8\u304f\u30a4\u30e1\u30fc\u30b8\u3067\u3001\u5206\u304b\u308a\u3084\u3059\u3055\u306e\u305f\u3081\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\u6b21\u306e\u4f8b\u3067\u306ffull_name\u30e1\u30bd\u30c3\u30c9\u306b\u5bfe\u3059\u308bit<\/strong><\/span>\u306e\u4f8b\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\nspec\/models\/user_spec.rb<\/p>\n
RSpec.describe User, type: :model do\r\n it \"\u59d3\u3001\u540d\u3092\u767b\u9332\u3059\u308b\u3068\u3001\u59d3\u540d\u304c\u53d6\u5f97\u3067\u304d\u308b\u3053\u3068\"\r\nend<\/pre>\nRSpec\u3092\u5b9f\u884c\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
bundle exec rspec<\/pre>\n\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
*\r\nPending: (Failures listed here are expected and do not affect your suite's status)\r\n\r\n 1) User \u59d3\u3001\u540d\u3092\u767b\u9332\u3059\u308b\u3068\u3001\u59d3\u540d\u304c\u53d6\u5f97\u3067\u304d\u308b\u3053\u3068\r\n # Not yet implemented\r\n # .\/spec\/models\/user_spec.rb:4\r\n\r\nFinished in 0.00512 seconds (files took 1.71 seconds to load)\r\n1 example, 0 failures, 1 pending<\/pre>\n\u5b9f\u884c\u7d50\u679c\u306e\u6700\u5f8c\u3092\u898b\u308b\u3068“1 pending”(\u4fdd\u7559\u4e2d 1\u4ef6)<\/strong><\/span>\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\u4fdd\u7559\u4e2d\u306e\u7406\u7531\u306f\u3001it\u30e1\u30bd\u30c3\u30c9\u5185\u306b\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u306a\u3044\u304b\u3089\u3067\u3059\u3002<\/p>\n
\u6b21\u9805\u306f\u3001it\u30e1\u30bd\u30c3\u30c9\u5185\u306b\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u306e\u66f8\u304d\u65b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\uff01<\/p>\n
\u671f\u5f85\u3059\u308b\u632f\u308b\u821e\u3044\u3092\u30b3\u30fc\u30c9\u3067\u66f8\u304f<\/h3>\n
expect\u30e1\u30bd\u30c3\u30c9<\/strong><\/span>\u306f\u30c6\u30b9\u30c8\u5bfe\u8c61\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n\n- expect(<\/strong><\/span>\u5b9f\u884c\u7d50\u679c).to\u00a0<\/strong><\/span>eq<\/strong><\/span> \u671f\u5f85\u3059\u308b\u7d50\u679c<\/li>\n<\/ul>\n
\u6587\u7ae0\u306b\u3059\u308b\u3068\u300c\u5b9f\u884c\u7d50\u679c\u306f\u671f\u5f85\u7d50\u679c\u3068\u7b49\u3057\u3044\u3053\u3068\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
eq<\/strong><\/span>\u306f\u300c\u7b49\u3057\u3044\u3053\u3068\u300d\u3092\u610f\u5473\u3059\u308b\u69cb\u6587\u3067matcher(\u30de\u30c3\u30c1\u30e3\u30fc)<\/strong><\/span>\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n\u3053\u3053\u3067\u306f\u3001full_name\u30e1\u30bd\u30c3\u30c9\u304c\u59d3\u540d<\/strong><\/span>\u3092\u8fd4\u3059\u3053\u3068\u3092\u691c\u8a3c\u3059\u308b\u3001\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\nit \"\u59d3\u3001\u540d\u3092\u767b\u9332\u3059\u308b\u3068\u3001\u59d3\u540d\u304c\u53d6\u5f97\u3067\u304d\u308b\u3053\u3068\" do\r\n user = User.new(\r\n last_name: \"\u4f8d\",\r\n first_name: \"\u592a\u90ce\"\r\n )\r\n expect(user.full_name).to eq \"\u4f8d \u592a\u90ce\"\r\nend<\/pre>\n\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
$ bundle exec rspec\r\nF\r\n\r\nFailures:\r\n\r\n 1) User \u59d3\u3001\u540d\u3092\u767b\u9332\u3059\u308b\u3068\u3001\u59d3\u540d\u304c\u53d6\u5f97\u3067\u304d\u308b\u3053\u3068\r\n Failure\/Error: expect(user.full_name).to eq \"\u4f8d \u592a\u90ce\"\r\n\r\n NoMethodError:\r\n undefined method `full_name' for #<User:0x00007fe445edbc10>\r\n # .\/spec\/models\/user_spec.rb:9:in `block (2 levels) in <top (required)>'\r\n\r\nFinished in 0.00875 seconds (files took 1.68 seconds to load)\r\n1 example, 1 failure\r\n\r\nFailed examples:\r\n\r\nrspec .\/spec\/models\/user_spec.rb:4 # User \u59d3\u3001\u540d\u3092\u767b\u9332\u3059\u308b\u3068\u3001\u59d3\u540d\u304c\u53d6\u5f97\u3067\u304d\u308b\u3053\u3068<\/pre>\n\u6b8b\u5ff5\u306a\u304c\u3089\u3001”Failed examples<\/strong><\/span>“\u3068\u306a\u3063\u3066\u30c6\u30b9\u30c8\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002<\/p>\n\u539f\u56e0\u306f\u300cundefined method `full_name’\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u901a\u308a\u3001User\u30e2\u30c7\u30eb\u306bfull_name\u30e1\u30bd\u30c3\u30c9\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u306a\u3044<\/strong><\/span>\u3053\u3068\u304c\u539f\u56e0\u3067\u3059\u3002<\/p>\n\u6b21\u306e\u9805\u3067\u306f\u3001\u3053\u306e\u69cb\u6587\u30a8\u30e9\u30fc\u3092\u89e3\u6d88\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u30c6\u30b9\u30c8\u306b\u5931\u6557\u3059\u308b<\/h3>\n
\u69cb\u6587\u30a8\u30e9\u30fc\u3092\u89e3\u6d88\u3059\u308b\u305f\u3081\u306bfull_name\u30e1\u30bd\u30c3\u30c9<\/strong><\/span>\u3092\u4f5c\u6210\u3057\u3066\u518d\u5ea6\u5b9f\u884c\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\nUser\u30e2\u30c7\u30eb\u306b\u6b21\u306e\u3088\u3046\u306b\u5b9f\u88c5\u3057\u307e\u3057\u305f\u3002<\/p>\n
class User < ApplicationRecord\r\n def full_name\r\n last_name + first_name\r\n end\r\nend<\/pre>\n\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
$ bin\/bundle exec rspec\r\nF\r\n\r\nFailures:\r\n\r\n 1) User \u59d3\u3001\u540d\u3092\u767b\u9332\u3059\u308b\u3068\u3001\u59d3\u540d\u304c\u53d6\u5f97\u3067\u304d\u308b\u3053\u3068\r\n Failure\/Error: expect(user.full_name).to eq \"\u4f8d \u592a\u90ce\"\r\n\r\n expected: \"\u4f8d \u592a\u90ce\"\r\n got: \"\u4f8d\u592a\u90ce\"\r\n\r\n (compared using ==)\r\n # .\/spec\/models\/user_spec.rb:9:in `block (2 levels) in <top (required)>'\r\n\r\nFinished in 0.02584 seconds (files took 1.78 seconds to load)\r\n1 example, 1 failure\r\n\r\nFailed examples:\r\n\r\nrspec .\/spec\/models\/user_spec.rb:4 # User \u59d3\u3001\u540d\u3092\u767b\u9332\u3059\u308b\u3068\u3001\u59d3\u540d\u304c\u53d6\u5f97\u3067\u304d\u308b\u3053\u3068<\/pre>\nFailed examples\u3068\u8868\u793a\u3055\u308c\u3001\u518d\u3073\u30c6\u30b9\u30c8\u306b\u306f\u5931\u6557<\/strong><\/span>\u3057\u307e\u3057\u305f\u3002<\/p>\n\u5b9f\u884c\u7d50\u679c\u3092\u898b\u308b\u3068\u3001<\/p>\n
\n- expected: “\u4f8d \u592a\u90ce”\u00a0 \u2192\u00a0 \u00a0\u671f\u5f85\u3059\u308b\u7d50\u679c<\/li>\n
- got:\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 “\u4f8d\u592a\u90ce”\u00a0 \u2192\u00a0 \u00a0\u5b9f\u969b\u306e\u5024<\/li>\n<\/ul>\n
\u3068\u306a\u3063\u3066\u3001\u59d3\u3068\u540d\u306e\u9593\u306b\u30b9\u30da\u30fc\u30b9\u304c\u306a\u3044\u3053\u3068\u304c\u539f\u56e0\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n
\u6b21\u9805\u3067\u3001\u3053\u306e\u30d0\u30b0\u3092\u89e3\u6d88\u3057\u3066\u30c6\u30b9\u30c8\u3092\u6210\u529f\u3055\u305b\u307e\u3057\u3087\u3046\uff01<\/p>\n
\u30c6\u30b9\u30c8\u306b\u6210\u529f\u3059\u308b<\/h3>\n
full_name\u30e1\u30bd\u30c3\u30c9\u304c\u3001”\u4f8d \u592a\u90ce”\u3068\u7d50\u679c\u3092\u8fd4\u3059\u3088\u3046\u306b\u30d0\u30b0\u3092\u4fee\u6b63\u3057\u3066\u3001\u518d\u3073RSpec\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
class User < ApplicationRecord\r\n def full_name\r\n last_name + \" \" + first_name # \u59d3\u3068\u540d\u306e\u9593\u306b\u30b9\u30da\u30fc\u30b9\u3092\u8ffd\u52a0\r\n end\r\nend<\/pre>\n\u5b9f\u884c\u7d50\u679c\uff1a<\/p>\n
bin\/bundle exec rspec\r\n.\r\n\r\nFinished in 0.0122 seconds (files took 1.61 seconds to load)\r\n1 example, 0 failures<\/pre>\n\u3053\u306e\u3088\u3046\u306b\u3001\u30a8\u30e9\u30fc\u8868\u793a\u304c\u306a\u304f\u306a\u308a\u30c6\u30b9\u30c8\u304c\u6210\u529f<\/strong><\/span>\u3057\u305f\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\uff01<\/p>\n\u7279\u306b\u91cd\u8981\u306a\u69cb\u6587\u306e\u4f7f\u3044\u65b9<\/h2>\n
RSpec\u306f\u3068\u3066\u3082\u7c21\u5358\u306b\u59cb\u3081\u3089\u308c\u308b\u3053\u3068\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u3057\u304b\u3057\u3001RSpec\u306f\u3068\u3066\u3082\u5f37\u529b\u306a\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb<\/strong><\/span>\u3067\u3082\u3042\u308b\u306e\u3067\u3001\u305f\u304f\u3055\u3093\u3042\u308b\u69cb\u6587\u3084\u6a5f\u80fd\u306e\u3046\u3061\u3069\u306e\u5834\u9762\u3067\u4f55\u3092\u4f7f\u3048\u3070\u3088\u3044\u304b\u304c\u308f\u304b\u3089\u306a\u3044<\/strong><\/span>\u3068\u3044\u3046\u65b9\u3082\u591a\u304f\u3044\u3089\u3063\u3057\u3083\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\u305d\u3053\u3067\u3001\u4eca\u56de\u306f\u3001\u7279\u306b\u91cd\u8981\u306aexpect<\/strong><\/span>\u3068matcher<\/strong><\/span>\u306e2\u70b9\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u89e6\u308c\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\nexpect<\/h3>\n
expect<\/strong><\/span>\u306f\u691c\u8a3c\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n\n- expect(<\/strong><\/span><\/strong><\/span>\u5b9f\u884c\u7d50\u679c).to<\/strong><\/span><\/strong><\/span> \u671f\u5f85\u3059\u308b\u7d50\u679c<\/li>\n
- expect(<\/strong><\/span><\/strong><\/span>\u5b9f\u884c\u7d50\u679c).not_to<\/strong><\/span><\/strong><\/span> \u671f\u5f85\u3059\u308b\u7d50\u679c<\/li>\n<\/ul>\n
\u5b9f\u884c\u4f8b\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n
\n\n\n\t| \u5b9f\u884c\u4f8b<\/th> | \u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n |
\n\n\t| expect(1 + 2).to eq 3<\/td> | 1 + 2 \u306e\u7d50\u679c\u304c 3\u3068\u7b49\u3057\u3044\u5834\u5408\u306f\u30c6\u30b9\u30c8\u6210\u529f
\n<\/td>\n<\/tr>\n |
\n\t| expect(1 + 2).not_to eq 4<\/td> | 1 + 2 \u306e\u7d50\u679c\u304c 4\u3068\u7570\u306a\u308b\u5834\u5408\u306f\u30c6\u30b9\u30c8\u6210\u529f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\nmatcher<\/h3>\nmatcher<\/strong><\/span>(\u30de\u30c3\u30c1\u30e3\u30fc)\u306f\u30c6\u30b9\u30c8\u5bfe\u8c61\u3068\u671f\u5f85\u3059\u308b\u7d50\u679c\u306e\u6bd4\u8f03\u6761\u4ef6\u3092\u66f8\u304d\u307e\u3059\u3002<\/p>\n\n- expect(\u5b9f\u884c\u7d50\u679c).to eq\u00a0<\/strong><\/span><\/strong><\/span>\u671f\u5f85\u5024<\/li>\n<\/ul>\n
matcher\u306f\u8272\u3005\u306a\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n |
![](\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/12\/ruby_on_rails-150x86.jpg\")
\n <\/div>\n