可以进行单元测试，功能测试，集成测试

Gemfile

@@ -35,6 +35,11 @@ gem 'sdoc', '~> 0.4.0', group: :doc
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug'
+  
+  #封装 RSpec 的程序
+  gem 'rspec-rails', '~> 3.5.2' 
+  #把 Rails 生成测试数据默认使用的固件换成更好用的预构件
+  gem 'factory_girl_rails','~> 4.7.0'
 end
 
 group :development do
@@ -45,3 +50,15 @@ group :development do
   gem 'spring'
 end
 
+group :test do
+  #自动清除数据库数据的工具，每次运行完测试用例它就会自动清除数据库。
+  gem 'database_cleaner'
+  #为预构件生成名字、Email 地址以及其他的示例数据
+  gem 'faker'
+  #便于模拟用户和程序的交互操作
+  gem 'capybara'
+  #如果需要,它会打开系统的默认浏览器,显示应用程序当前渲染的页面
+  gem 'launchy'
+  #结合 Capybara 测试基于 JavaScript 的交互操作
+  gem 'selenium-webdriver'
+end

Gemfile.lock

@@ -36,11 +36,22 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
+    addressable (2.5.0)
+      public_suffix (~> 2.0, >= 2.0.2)
     arel (6.0.3)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
     builder (3.2.2)
     byebug (9.0.6)
+    capybara (2.11.0)
+      addressable
+      mime-types (>= 1.16)
+      nokogiri (>= 1.3.3)
+      rack (>= 1.0.0)
+      rack-test (>= 0.5.4)
+      xpath (~> 2.0)
+    childprocess (0.5.9)
+      ffi (~> 1.0, >= 1.0.11)
     coffee-rails (4.1.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.1.x)
@@ -49,9 +60,19 @@ GEM
       execjs
     coffee-script-source (1.11.1)
     concurrent-ruby (1.0.2)
+    database_cleaner (1.5.3)
     debug_inspector (0.0.2)
+    diff-lcs (1.2.5)
     erubis (2.7.0)
     execjs (2.7.0)
+    factory_girl (4.7.0)
+      activesupport (>= 3.0.0)
+    factory_girl_rails (4.7.0)
+      factory_girl (~> 4.7.0)
+      railties (>= 3.0.0)
+    faker (1.6.6)
+      i18n (~> 0.5)
+    ffi (1.9.14)
     globalid (0.3.7)
       activesupport (>= 4.1.0)
     i18n (0.7.0)
@@ -63,6 +84,8 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.3)
+    launchy (2.4.3)
+      addressable (~> 2.3)
     libv8 (3.16.14.17)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
@@ -76,6 +99,7 @@ GEM
     multi_json (1.12.1)
     nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
+    public_suffix (2.0.4)
     rack (1.6.5)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -106,6 +130,24 @@ GEM
     rake (11.3.0)
     rdoc (4.3.0)
     ref (2.0.0)
+    rspec-core (3.5.4)
+      rspec-support (~> 3.5.0)
+    rspec-expectations (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-mocks (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-rails (3.5.2)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      railties (>= 3.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
+      rspec-support (~> 3.5.0)
+    rspec-support (3.5.0)
+    rubyzip (1.2.0)
     sass (3.4.22)
     sass-rails (5.0.6)
       railties (>= 4.0.0, < 6)
@@ -116,6 +158,10 @@ GEM
     sdoc (0.4.2)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
+    selenium-webdriver (3.0.3)
+      childprocess (~> 0.5)
+      rubyzip (~> 1.0)
+      websocket (~> 1.0)
     spring (2.0.0)
       activesupport (>= 4.2)
     sprockets (3.7.0)
@@ -144,18 +190,28 @@ GEM
       binding_of_caller (>= 0.7.2)
       railties (>= 4.0)
       sprockets-rails (>= 2.0, < 4.0)
+    websocket (1.2.3)
+    xpath (2.0.0)
+      nokogiri (~> 1.3)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   byebug
+  capybara
   coffee-rails (~> 4.1.0)
+  database_cleaner
+  factory_girl_rails (~> 4.7.0)
+  faker
   jbuilder (~> 2.0)
   jquery-rails
+  launchy
   rails (= 4.2.5)
+  rspec-rails (~> 3.5.2)
   sass-rails (~> 5.0)
   sdoc (~> 0.4.0)
+  selenium-webdriver
   spring
   sqlite3
   therubyracer

config/application.rb

@@ -22,5 +22,16 @@ module Workspace
 
     # Do not swallow errors in after_commit/after_rollback callbacks.
     config.active_record.raise_in_transactional_callbacks = true
+    
+    config.generators do |g|
+        g.test_framework :rspec,
+            fixtures: true,         #为各模型生成测试固件
+            view_specs: false,      #不生成“视图测试”
+            helper_specs: false,    #生成控制器时不生成对应的帮助方法测试文件
+            routing_specs: false,   #不生成针对 config/routes.rb 的测试文件
+            controller_specs: true,
+            request_specs: false
+        g.fixture_replacement :factory_girl, dir: "spec/factories"
+    end
   end
 end

spec/rails_helper.rb

@@ -0,0 +1,57 @@
+# This file is copied to spec/ when you run 'rails generate rspec:install'
+ENV['RAILS_ENV'] ||= 'test'
+require File.expand_path('../../config/environment', __FILE__)
+# Prevent database truncation if the environment is production
+abort("The Rails environment is running in production mode!") if Rails.env.production?
+require 'spec_helper'
+require 'rspec/rails'
+# Add additional requires below this line. Rails is not loaded until this point!
+
+# Requires supporting ruby files with custom matchers and macros, etc, in
+# spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are
+# run as spec files by default. This means that files in spec/support that end
+# in _spec.rb will both be required and run as specs, causing the specs to be
+# run twice. It is recommended that you do not name files matching this glob to
+# end with _spec.rb. You can configure this pattern with the --pattern
+# option on the command line or in ~/.rspec, .rspec or `.rspec-local`.
+#
+# The following line is provided for convenience purposes. It has the downside
+# of increasing the boot-up time by auto-requiring all files in the support
+# directory. Alternatively, in the individual `*_spec.rb` files, manually
+# require only the support files necessary.
+#
+# Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
+
+# Checks for pending migration and applies them before tests are run.
+# If you are not using ActiveRecord, you can remove this line.
+ActiveRecord::Migration.maintain_test_schema!
+
+RSpec.configure do |config|
+  # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
+  config.fixture_path = "#{::Rails.root}/spec/fixtures"
+
+  # If you're not using ActiveRecord, or you'd prefer not to run each of your
+  # examples within a transaction, remove the following line or assign false
+  # instead of true.
+  config.use_transactional_fixtures = true
+
+  # RSpec Rails can automatically mix in different behaviours to your tests
+  # based on their file location, for example enabling you to call `get` and
+  # `post` in specs under `spec/controllers`.
+  #
+  # You can disable this behaviour by removing the line below, and instead
+  # explicitly tag your specs with their type, e.g.:
+  #
+  #     RSpec.describe UsersController, :type => :controller do
+  #       # ...
+  #     end
+  #
+  # The different available types are documented in the features, such as in
+  # https://relishapp.com/rspec/rspec-rails/docs
+  config.infer_spec_type_from_file_location!
+
+  # Filter lines from Rails gems in backtraces.
+  config.filter_rails_from_backtrace!
+  # arbitrary gems may also be filtered via:
+  # config.filter_gems_from_backtrace("gem name")
+end

spec/spec_helper.rb

@@ -0,0 +1,134 @@
+require 'rubygems'
+require 'database_cleaner'
+
+# This file was generated by the `rails generate rspec:install` command. Conventionally, all
+# specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
+# The generated `.rspec` file contains `--require spec_helper` which will cause
+# this file to always be loaded, without a need to explicitly require it in any
+# files.
+#
+# Given that it is always loaded, you are encouraged to keep this file as
+# light-weight as possible. Requiring heavyweight dependencies from this file
+# will add to the boot time of your test suite on EVERY test run, even for an
+# individual file that may not need all of that loaded. Instead, consider making
+# a separate helper file that requires the additional dependencies and performs
+# the additional setup, and require it from the spec files that actually need
+# it.
+#
+# The `.rspec` file also contains a few flags that are not defaults but that
+# users commonly want.
+#
+# See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
+
+ENV["RAILS_ENV"] ||= 'test'
+require File.expand_path("../../config/environment", __FILE__)
+require 'rspec/rails'
+
+# 导入所有宏定义
+Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}
+
+RSpec.configure do |config|
+  # rspec-expectations config goes here. You can use an alternate
+  # assertion/expectation library such as wrong or the stdlib/minitest
+  # assertions if you prefer.
+  config.expect_with :rspec do |expectations|
+    # This option will default to `true` in RSpec 4. It makes the `description`
+    # and `failure_message` of custom matchers include text for helper methods
+    # defined using `chain`, e.g.:
+    #     be_bigger_than(2).and_smaller_than(4).description
+    #     # => "be bigger than 2 and smaller than 4"
+    # ...rather than:
+    #     # => "be bigger than 2"
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  # rspec-mocks config goes here. You can use an alternate test double
+  # library (such as bogus or mocha) by changing the `mock_with` option here.
+  config.mock_with :rspec do |mocks|
+    # Prevents you from mocking or stubbing a method that does not exist on
+    # a real object. This is generally recommended, and will default to
+    # `true` in RSpec 4.
+    mocks.verify_partial_doubles = true
+  end
+
+  # This option will default to `:apply_to_host_groups` in RSpec 4 (and will
+  # have no way to turn it off -- the option exists only for backwards
+  # compatibility in RSpec 3). It causes shared context metadata to be
+  # inherited by the metadata hash of host groups and examples, rather than
+  # triggering implicit auto-inclusion in groups with matching metadata.
+  config.shared_context_metadata_behavior = :apply_to_host_groups
+
+# The settings below are suggested to provide a good initial experience
+# with RSpec, but feel free to customize to your heart's content.
+=begin
+  # This allows you to limit a spec run to individual examples or groups
+  # you care about by tagging them with `:focus` metadata. When nothing
+  # is tagged with `:focus`, all examples get run. RSpec also provides
+  # aliases for `it`, `describe`, and `context` that include `:focus`
+  # metadata: `fit`, `fdescribe` and `fcontext`, respectively.
+  config.filter_run_when_matching :focus
+
+  # Allows RSpec to persist some state between runs in order to support
+  # the `--only-failures` and `--next-failure` CLI options. We recommend
+  # you configure your source control system to ignore this file.
+  config.example_status_persistence_file_path = "spec/examples.txt"
+
+  # Limits the available syntax to the non-monkey patched syntax that is
+  # recommended. For more details, see:
+  #   - http://rspec.info/blog/2012/06/rspecs-new-expectation-syntax/
+  #   - http://www.teaisaweso.me/blog/2013/05/27/rspecs-new-message-expectation-syntax/
+  #   - http://rspec.info/blog/2014/05/notable-changes-in-rspec-3/#zero-monkey-patching-mode
+  config.disable_monkey_patching!
+
+  # Many RSpec users commonly either run the entire suite or an individual
+  # file, and it's useful to allow more verbose output when running an
+  # individual spec file.
+  if config.files_to_run.one?
+    # Use the documentation formatter for detailed output,
+    # unless a formatter has already been configured
+    # (e.g. via a command-line flag).
+    config.default_formatter = 'doc'
+  end
+
+  # Print the 10 slowest examples and example groups at the
+  # end of the spec run, to help surface which specs are running
+  # particularly slow.
+  config.profile_examples = 10
+
+  # Seed global randomization in this process using the `--seed` CLI option.
+  # Setting this allows you to use `--seed` to deterministically reproduce
+  # test failures related to randomization by passing the same `--seed` value
+  # as the one that triggered the failure.
+  Kernel.srand config.seed
+=end
+
+  # Run specs in random order to surface order dependencies. If you find an
+  # order dependency and want to debug it, you can fix the order by providing
+  # the seed, which is printed after each run.
+  #     --seed 1234
+  config.order = :random
+  
+  config.use_transactional_fixtures = false
+  config.infer_base_class_for_anonymous_controllers = false
+  
+  # 当进行功能测试时，设置js内核代理
+  config.before :each do
+      if Capybara.current_driver == :selenium
+        DatabaseCleaner.strategy = :truncation
+      else
+        DatabaseCleaner.strategy = :transaction
+      end
+      DatabaseCleaner.start
+  end
+  
+  # 清除每次对数据库造成的影响
+  config.after(:each) do
+      DatabaseCleaner.clean
+  end
+  
+  # Include Factory Girl syntax to simplify calls to factories
+  config.include FactoryGirl::Syntax::Methods
+  
+  # 如果想要简化定义的宏模块调用，需要添加宏名称
+  # include LoginMacros
+end

spec/support/shared_db_connection.rb

@@ -0,0 +1,9 @@
+class ActiveRecord::Base
+  mattr_accessor :shared_connection
+  @@shared_connection = nil
+
+  def self.connection
+    @@shared_connection || retrieve_connection
+  end
+end
+ActiveRecord::Base.shared_connection = ActiveRecord::Base.connection