372 lines
9.1 KiB
Ruby
372 lines
9.1 KiB
Ruby
require 'isolation/abstract_unit'
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class LoadingTest < ActiveSupport::TestCase
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include ActiveSupport::Testing::Isolation
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def setup
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build_app
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end
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def teardown
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teardown_app
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end
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def app
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@app ||= Rails.application
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end
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test "constants in app are autoloaded" do
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app_file "app/models/post.rb", <<-MODEL
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class Post < ActiveRecord::Base
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validates_acceptance_of :title, accept: "omg"
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end
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MODEL
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require "#{rails_root}/config/environment"
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setup_ar!
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p = Post.create(title: 'omg')
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assert_equal 1, Post.count
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assert_equal 'omg', p.title
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p = Post.first
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assert_equal 'omg', p.title
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end
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test "concerns in app are autoloaded" do
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app_file "app/controllers/concerns/trackable.rb", <<-CONCERN
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module Trackable
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end
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CONCERN
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app_file "app/mailers/concerns/email_loggable.rb", <<-CONCERN
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module EmailLoggable
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end
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CONCERN
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app_file "app/models/concerns/orderable.rb", <<-CONCERN
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module Orderable
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end
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CONCERN
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app_file "app/validators/concerns/matchable.rb", <<-CONCERN
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module Matchable
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end
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CONCERN
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require "#{rails_root}/config/environment"
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assert_nothing_raised { Trackable }
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assert_nothing_raised { EmailLoggable }
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assert_nothing_raised { Orderable }
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assert_nothing_raised { Matchable }
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end
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test "models without table do not panic on scope definitions when loaded" do
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app_file "app/models/user.rb", <<-MODEL
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class User < ActiveRecord::Base
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default_scope { where(published: true) }
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end
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MODEL
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require "#{rails_root}/config/environment"
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setup_ar!
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User
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end
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test "load config/environments/environment before Bootstrap initializers" do
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app_file "config/environments/development.rb", <<-RUBY
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Rails.application.configure do
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config.development_environment_loaded = true
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end
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RUBY
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add_to_config <<-RUBY
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config.before_initialize do
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config.loaded = config.development_environment_loaded
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end
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RUBY
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require "#{app_path}/config/environment"
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assert ::Rails.application.config.loaded
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end
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test "descendants loaded after framework initialization are cleaned on each request without cache classes" do
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add_to_config <<-RUBY
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config.cache_classes = false
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config.reload_classes_only_on_change = false
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RUBY
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app_file "app/models/post.rb", <<-MODEL
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class Post < ActiveRecord::Base
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end
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MODEL
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app_file 'config/routes.rb', <<-RUBY
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Rails.application.routes.draw do
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get '/load', to: lambda { |env| [200, {}, Post.all] }
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get '/unload', to: lambda { |env| [200, {}, []] }
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end
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RUBY
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require 'rack/test'
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extend Rack::Test::Methods
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require "#{rails_root}/config/environment"
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setup_ar!
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assert_equal [ActiveRecord::SchemaMigration, ActiveRecord::InternalMetadata], ActiveRecord::Base.descendants
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get "/load"
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assert_equal [ActiveRecord::SchemaMigration, ActiveRecord::InternalMetadata, Post], ActiveRecord::Base.descendants
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get "/unload"
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assert_equal [ActiveRecord::SchemaMigration, ActiveRecord::InternalMetadata], ActiveRecord::Base.descendants
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end
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test "initialize cant be called twice" do
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require "#{app_path}/config/environment"
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assert_raise(RuntimeError) { Rails.application.initialize! }
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end
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test "reload constants on development" do
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add_to_config <<-RUBY
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config.cache_classes = false
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RUBY
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app_file 'config/routes.rb', <<-RUBY
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Rails.application.routes.draw do
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get '/c', to: lambda { |env| [200, {"Content-Type" => "text/plain"}, [User.counter.to_s]] }
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end
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RUBY
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app_file "app/models/user.rb", <<-MODEL
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class User
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def self.counter; 1; end
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end
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MODEL
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require 'rack/test'
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extend Rack::Test::Methods
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require "#{rails_root}/config/environment"
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get "/c"
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assert_equal "1", last_response.body
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app_file "app/models/user.rb", <<-MODEL
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class User
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def self.counter; 2; end
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end
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MODEL
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get "/c"
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assert_equal "2", last_response.body
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end
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test "does not reload constants on development if custom file watcher always returns false" do
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add_to_config <<-RUBY
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config.cache_classes = false
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config.file_watcher = Class.new do
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def initialize(*); end
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def updated?; false; end
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def execute; end
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def execute_if_updated; false; end
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end
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RUBY
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app_file 'config/routes.rb', <<-RUBY
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Rails.application.routes.draw do
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get '/c', to: lambda { |env| [200, {"Content-Type" => "text/plain"}, [User.counter.to_s]] }
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end
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RUBY
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app_file "app/models/user.rb", <<-MODEL
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class User
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def self.counter; 1; end
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end
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MODEL
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require 'rack/test'
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extend Rack::Test::Methods
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require "#{rails_root}/config/environment"
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get "/c"
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assert_equal "1", last_response.body
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app_file "app/models/user.rb", <<-MODEL
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class User
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def self.counter; 2; end
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end
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MODEL
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get "/c"
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assert_equal "1", last_response.body
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end
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test "added files (like db/schema.rb) also trigger reloading" do
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add_to_config <<-RUBY
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config.cache_classes = false
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RUBY
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app_file 'config/routes.rb', <<-RUBY
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$counter ||= 0
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Rails.application.routes.draw do
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get '/c', to: lambda { |env| User.name; [200, {"Content-Type" => "text/plain"}, [$counter.to_s]] }
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end
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RUBY
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app_file "app/models/user.rb", <<-MODEL
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class User
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$counter += 1
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end
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MODEL
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require 'rack/test'
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extend Rack::Test::Methods
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require "#{rails_root}/config/environment"
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get "/c"
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assert_equal "1", last_response.body
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app_file "db/schema.rb", ""
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get "/c"
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assert_equal "2", last_response.body
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end
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test "dependencies reloading is followed by routes reloading" do
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add_to_config <<-RUBY
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config.cache_classes = false
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RUBY
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app_file 'config/routes.rb', <<-RUBY
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$counter ||= 1
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$counter *= 2
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Rails.application.routes.draw do
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get '/c', to: lambda { |env| User.name; [200, {"Content-Type" => "text/plain"}, [$counter.to_s]] }
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end
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RUBY
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app_file "app/models/user.rb", <<-MODEL
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class User
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$counter += 1
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end
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MODEL
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require 'rack/test'
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extend Rack::Test::Methods
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require "#{rails_root}/config/environment"
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get "/c"
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assert_equal "3", last_response.body
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app_file "db/schema.rb", ""
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get "/c"
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assert_equal "7", last_response.body
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end
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test "columns migrations also trigger reloading" do
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add_to_config <<-RUBY
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config.cache_classes = false
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RUBY
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app_file 'config/routes.rb', <<-RUBY
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Rails.application.routes.draw do
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get '/title', to: lambda { |env| [200, {"Content-Type" => "text/plain"}, [Post.new.title]] }
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get '/body', to: lambda { |env| [200, {"Content-Type" => "text/plain"}, [Post.new.body]] }
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end
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RUBY
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app_file "app/models/post.rb", <<-MODEL
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class Post < ActiveRecord::Base
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end
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MODEL
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require 'rack/test'
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extend Rack::Test::Methods
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app_file "db/migrate/1_create_posts.rb", <<-MIGRATION
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class CreatePosts < ActiveRecord::Migration::Current
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def change
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create_table :posts do |t|
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t.string :title, default: "TITLE"
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end
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end
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end
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MIGRATION
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Dir.chdir(app_path) { `rake db:migrate`}
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require "#{rails_root}/config/environment"
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get "/title"
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assert_equal "TITLE", last_response.body
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app_file "db/migrate/2_add_body_to_posts.rb", <<-MIGRATION
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class AddBodyToPosts < ActiveRecord::Migration::Current
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def change
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add_column :posts, :body, :text, default: "BODY"
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end
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end
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MIGRATION
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Dir.chdir(app_path) { `rake db:migrate` }
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get "/body"
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assert_equal "BODY", last_response.body
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end
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test "AC load hooks can be used with metal" do
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app_file "app/controllers/omg_controller.rb", <<-RUBY
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begin
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class OmgController < ActionController::Metal
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ActiveSupport.run_load_hooks(:action_controller, self)
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def show
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self.response_body = ["OK"]
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end
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end
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rescue => e
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puts "Error loading metal: \#{e.class} \#{e.message}"
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end
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RUBY
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app_file "config/routes.rb", <<-RUBY
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Rails.application.routes.draw do
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get "/:controller(/:action)"
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end
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RUBY
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require "#{rails_root}/config/environment"
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require 'rack/test'
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extend Rack::Test::Methods
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get '/omg/show'
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assert_equal 'OK', last_response.body
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end
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def test_initialize_can_be_called_at_any_time
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require "#{app_path}/config/application"
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assert !Rails.initialized?
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assert !Rails.application.initialized?
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Rails.initialize!
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assert Rails.initialized?
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assert Rails.application.initialized?
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end
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protected
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def setup_ar!
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ActiveRecord::Base.establish_connection(adapter: "sqlite3", database: ":memory:")
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ActiveRecord::Migration.verbose = false
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ActiveRecord::Schema.define(version: 1) do
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create_table :posts do |t|
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t.string :title
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end
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end
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end
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end
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