558 lines
15 KiB
Ruby
558 lines
15 KiB
Ruby
# frozen_string_literal: true
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# Note:
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# It is important to keep this file as light as possible
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# the goal for tests that require this is to test booting up
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# Rails from an empty state, so anything added here could
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# hide potential failures
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#
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# It is also good to know what is the bare minimum to get
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# Rails booted up.
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require "fileutils"
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require "bundler/setup" unless defined?(Bundler)
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require "active_support"
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require "active_support/testing/autorun"
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require "active_support/testing/stream"
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require "active_support/testing/method_call_assertions"
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require "active_support/test_case"
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require "minitest/retry"
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if ENV["BUILDKITE"]
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Minitest::Retry.use!(verbose: false, retry_count: 1)
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end
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RAILS_FRAMEWORK_ROOT = File.expand_path("../../..", __dir__)
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# These files do not require any others and are needed
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# to run the tests
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require "active_support/core_ext/object/blank"
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require "active_support/testing/isolation"
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require "active_support/core_ext/kernel/reporting"
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require "tmpdir"
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require "rails/secrets"
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module TestHelpers
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module Paths
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def app_template_path
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File.join RAILS_FRAMEWORK_ROOT, "tmp/templates/app_template"
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end
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def tmp_path(*args)
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@tmp_path ||= File.realpath(Dir.mktmpdir(nil, File.join(RAILS_FRAMEWORK_ROOT, "tmp")))
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File.join(@tmp_path, *args)
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end
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def app_path(*args)
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path = tmp_path(*%w[app] + args)
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if block_given?
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yield path
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else
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path
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end
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end
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def framework_path
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RAILS_FRAMEWORK_ROOT
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end
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def rails_root
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app_path
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end
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end
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module Rack
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def app(env = "production")
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old_env = ENV["RAILS_ENV"]
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@app ||= begin
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ENV["RAILS_ENV"] = env
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require "#{app_path}/config/environment"
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Rails.application
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end
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ensure
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ENV["RAILS_ENV"] = old_env
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end
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def extract_body(response)
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(+"").tap do |body|
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response[2].each { |chunk| body << chunk }
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end
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end
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def get(path)
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@app.call(::Rack::MockRequest.env_for(path))
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end
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def assert_welcome(resp)
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resp = Array(resp)
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assert_equal 200, resp[0]
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assert_match "text/html", resp[1]["Content-Type"]
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assert_match "charset=utf-8", resp[1]["Content-Type"]
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assert extract_body(resp).match(/Yay! You.*re on Rails!/)
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end
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end
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module Generation
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# Build an application by invoking the generator and going through the whole stack.
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def build_app(options = {})
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@prev_rails_env = ENV["RAILS_ENV"]
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ENV["RAILS_ENV"] = "development"
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FileUtils.rm_rf(app_path)
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FileUtils.cp_r(app_template_path, app_path)
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# Delete the initializers unless requested
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unless options[:initializers]
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Dir["#{app_path}/config/initializers/**/*.rb"].each do |initializer|
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File.delete(initializer)
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end
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end
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routes = File.read("#{app_path}/config/routes.rb")
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if routes =~ /(\n\s*end\s*)\z/
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File.open("#{app_path}/config/routes.rb", "w") do |f|
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f.puts $` + "\nActiveSupport::Deprecation.silence { match ':controller(/:action(/:id))(.:format)', via: :all }\n" + $1
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end
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end
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if options[:multi_db]
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File.open("#{app_path}/config/database.yml", "w") do |f|
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f.puts <<-YAML
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default: &default
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adapter: sqlite3
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pool: 5
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timeout: 5000
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variables:
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statement_timeout: 1000
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development:
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primary:
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<<: *default
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database: db/development.sqlite3
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primary_readonly:
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<<: *default
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database: db/development.sqlite3
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replica: true
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animals:
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<<: *default
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database: db/development_animals.sqlite3
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migrations_paths: db/animals_migrate
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animals_readonly:
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<<: *default
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database: db/development_animals.sqlite3
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migrations_paths: db/animals_migrate
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replica: true
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test:
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primary:
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<<: *default
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database: db/test.sqlite3
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primary_readonly:
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<<: *default
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database: db/test.sqlite3
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replica: true
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animals:
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<<: *default
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database: db/test_animals.sqlite3
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migrations_paths: db/animals_migrate
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animals_readonly:
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<<: *default
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database: db/test_animals.sqlite3
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migrations_paths: db/animals_migrate
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replica: true
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production:
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primary:
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<<: *default
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database: db/production.sqlite3
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primary_readonly:
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<<: *default
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database: db/production.sqlite3
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replica: true
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animals:
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<<: *default
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database: db/production_animals.sqlite3
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migrations_paths: db/animals_migrate
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animals_readonly:
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<<: *default
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database: db/production_animals.sqlite3
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migrations_paths: db/animals_migrate
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replica: true
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YAML
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end
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else
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File.open("#{app_path}/config/database.yml", "w") do |f|
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f.puts <<-YAML
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default: &default
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adapter: sqlite3
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pool: 5
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timeout: 5000
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development:
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<<: *default
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database: db/development.sqlite3
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test:
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<<: *default
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database: db/test.sqlite3
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production:
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<<: *default
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database: db/production.sqlite3
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YAML
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end
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end
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add_to_config <<-RUBY
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config.hosts << proc { true }
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config.eager_load = false
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config.session_store :cookie_store, key: "_myapp_session"
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config.cache_store = :mem_cache_store
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config.active_support.deprecation = :log
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config.action_controller.allow_forgery_protection = false
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RUBY
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end
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def teardown_app
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ENV["RAILS_ENV"] = @prev_rails_env if @prev_rails_env
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FileUtils.rm_rf(tmp_path)
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end
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# Make a very basic app, without creating the whole directory structure.
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# This is faster and simpler than the method above.
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def make_basic_app
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require "rails"
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require "action_controller/railtie"
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require "action_view/railtie"
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@app = Class.new(Rails::Application) do
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def self.name; "RailtiesTestApp"; end
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end
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@app.config.hosts << proc { true }
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@app.config.eager_load = false
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@app.config.session_store :cookie_store, key: "_myapp_session"
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@app.config.active_support.deprecation = :log
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@app.config.log_level = :info
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@app.secrets.secret_key_base = "b3c631c314c0bbca50c1b2843150fe33"
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yield @app if block_given?
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@app.initialize!
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@app.routes.draw do
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get "/" => "omg#index"
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end
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require "rack/test"
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extend ::Rack::Test::Methods
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end
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def simple_controller
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controller :foo, <<-RUBY
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class FooController < ApplicationController
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def index
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render plain: "foo"
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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 ':controller(/:action)'
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end
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RUBY
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end
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class Bukkit
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attr_reader :path
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def initialize(path)
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@path = path
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end
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def write(file, string)
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path = "#{@path}/#{file}"
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FileUtils.mkdir_p(File.dirname(path))
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File.open(path, "w") { |f| f.puts string }
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end
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def delete(file)
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File.delete("#{@path}/#{file}")
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end
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end
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def engine(name)
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dir = "#{app_path}/random/#{name}"
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FileUtils.mkdir_p(dir)
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app = File.readlines("#{app_path}/config/application.rb")
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app.insert(4, "$:.unshift(\"#{dir}/lib\")")
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app.insert(5, "require #{name.inspect}")
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File.open("#{app_path}/config/application.rb", "r+") do |f|
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f.puts app
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end
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Bukkit.new(dir).tap do |bukkit|
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yield bukkit if block_given?
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end
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end
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# Invoke a bin/rails command inside the app
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#
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# allow_failure:: true to return normally if the command exits with
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# a non-zero status. By default, this method will raise.
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# stderr:: true to pass STDERR output straight to the "real" STDERR.
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# By default, the STDERR and STDOUT of the process will be
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# combined in the returned string.
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def rails(*args, allow_failure: false, stderr: false)
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args = args.flatten
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fork = true
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command = "bin/rails #{Shellwords.join args}#{' 2>&1' unless stderr}"
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# Don't fork if the environment has disabled it
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fork = false if ENV["NO_FORK"]
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# Don't fork if the runtime isn't able to
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fork = false if !Process.respond_to?(:fork)
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# Don't fork if we're re-invoking minitest
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fork = false if args.first == "t" || args.grep(/\Atest(:|\z)/).any?
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if fork
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out_read, out_write = IO.pipe
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if stderr
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err_read, err_write = IO.pipe
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else
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err_write = out_write
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end
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pid = fork do
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out_read.close
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err_read.close if err_read
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$stdin.reopen(File::NULL, "r")
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$stdout.reopen(out_write)
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$stderr.reopen(err_write)
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at_exit do
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case $!
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when SystemExit
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exit! $!.status
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when nil
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exit! 0
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else
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err_write.puts "#{$!.class}: #{$!}"
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exit! 1
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end
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end
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Rails.instance_variable_set :@_env, nil
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$-v = $-w = false
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Dir.chdir app_path unless Dir.pwd == app_path
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ARGV.replace(args)
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load "./bin/rails"
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exit! 0
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end
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out_write.close
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if err_read
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err_write.close
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$stderr.write err_read.read
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end
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output = out_read.read
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Process.waitpid pid
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else
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output = `cd #{app_path}; #{command}`
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end
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raise "rails command failed (#{$?.exitstatus}): #{command}\n#{output}" unless allow_failure || $?.success?
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output
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end
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def add_to_top_of_config(str)
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environment = File.read("#{app_path}/config/application.rb")
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if environment =~ /(Rails::Application\s*)/
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File.open("#{app_path}/config/application.rb", "w") do |f|
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f.puts $` + $1 + "\n#{str}\n" + $'
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end
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end
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end
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def add_to_config(str)
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environment = File.read("#{app_path}/config/application.rb")
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if environment =~ /(\n\s*end\s*end\s*)\z/
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File.open("#{app_path}/config/application.rb", "w") do |f|
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f.puts $` + "\n#{str}\n" + $1
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end
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end
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end
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def add_to_env_config(env, str)
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environment = File.read("#{app_path}/config/environments/#{env}.rb")
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if environment =~ /(\n\s*end\s*)\z/
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File.open("#{app_path}/config/environments/#{env}.rb", "w") do |f|
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f.puts $` + "\n#{str}\n" + $1
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end
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end
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end
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def remove_from_config(str)
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remove_from_file("#{app_path}/config/application.rb", str)
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end
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def remove_from_env_config(env, str)
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remove_from_file("#{app_path}/config/environments/#{env}.rb", str)
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end
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def remove_from_file(file, str)
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contents = File.read(file)
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contents.sub!(/#{str}/, "")
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File.write(file, contents)
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end
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def app_file(path, contents, mode = "w")
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file_name = "#{app_path}/#{path}"
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FileUtils.mkdir_p File.dirname(file_name)
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File.open(file_name, mode) do |f|
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f.puts contents
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end
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file_name
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end
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def app_dir(path)
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FileUtils.mkdir_p("#{app_path}/#{path}")
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end
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def remove_file(path)
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FileUtils.rm_rf "#{app_path}/#{path}"
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end
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def controller(name, contents)
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app_file("app/controllers/#{name}_controller.rb", contents)
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end
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def use_frameworks(arr)
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to_remove = [:actionmailer, :activerecord, :activestorage, :activejob, :actionmailbox] - arr
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if to_remove.include?(:activerecord)
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remove_from_config "config.active_record.*"
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end
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$:.reject! { |path| path =~ %r'/(#{to_remove.join('|')})/' }
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end
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def use_postgresql(multi_db: false)
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if multi_db
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File.open("#{app_path}/config/database.yml", "w") do |f|
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f.puts <<-YAML
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default: &default
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adapter: postgresql
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pool: 5
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development:
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primary:
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<<: *default
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database: railties_test
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animals:
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<<: *default
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database: railties_animals_test
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migrations_paths: db/animals_migrate
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YAML
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end
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else
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File.open("#{app_path}/config/database.yml", "w") do |f|
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f.puts <<-YAML
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default: &default
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adapter: postgresql
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pool: 5
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database: railties_test
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development:
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<<: *default
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test:
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<<: *default
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YAML
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end
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end
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end
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end
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module Reload
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def reload
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ActiveSupport::Dependencies.clear
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end
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end
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end
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class ActiveSupport::TestCase
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include TestHelpers::Paths
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include TestHelpers::Rack
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include TestHelpers::Generation
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include TestHelpers::Reload
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include ActiveSupport::Testing::Stream
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include ActiveSupport::Testing::MethodCallAssertions
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end
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# Create a scope and build a fixture rails app
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Module.new do
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extend TestHelpers::Paths
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def self.sh(cmd)
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output = `#{cmd}`
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raise "Command #{cmd.inspect} failed. Output:\n#{output}" unless $?.success?
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end
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# Build a rails app
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FileUtils.rm_rf(app_template_path)
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FileUtils.mkdir_p(app_template_path)
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sh "#{Gem.ruby} #{RAILS_FRAMEWORK_ROOT}/railties/exe/rails new #{app_template_path} --skip-bundle --no-rc --quiet"
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File.open("#{app_template_path}/config/boot.rb", "w") do |f|
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f.puts 'require "rails/all"'
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end
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unless File.exist?("#{RAILS_FRAMEWORK_ROOT}/actionview/lib/assets/compiled/rails-ujs.js")
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Dir.chdir("#{RAILS_FRAMEWORK_ROOT}/actionview") do
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sh "yarn build"
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end
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end
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assets_path = "#{RAILS_FRAMEWORK_ROOT}/railties/test/isolation/assets"
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unless Dir.exist?("#{assets_path}/node_modules")
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Dir.chdir(assets_path) do
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sh "yarn install"
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end
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end
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FileUtils.mkdir_p "#{app_template_path}/app/javascript"
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File.write("#{app_template_path}/app/javascript/application.js", "\n")
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# Fake 'Bundler.require' -- we run using the repo's Gemfile, not an
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# app-specific one: we don't want to require every gem that lists.
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contents = File.read("#{app_template_path}/config/application.rb")
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contents.sub!(/^Bundler\.require.*/, "%w(importmap-rails).each { |r| require r }")
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File.write("#{app_template_path}/config/application.rb", contents)
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require "rails"
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require "active_model"
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require "active_job"
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require "active_record"
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require "action_controller"
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require "action_mailer"
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require "action_view"
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require "active_storage"
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require "action_cable"
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require "action_mailbox"
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require "action_text"
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require "sprockets"
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require "action_view/helpers"
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require "action_dispatch/routing/route_set"
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end unless defined?(RAILS_ISOLATED_ENGINE)
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