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-rw-r--r--railties/test/application/configuration_test.rb621
1 files changed, 567 insertions, 54 deletions
diff --git a/railties/test/application/configuration_test.rb b/railties/test/application/configuration_test.rb
index 02d8b2c91d..8f5b2d0d68 100644
--- a/railties/test/application/configuration_test.rb
+++ b/railties/test/application/configuration_test.rb
@@ -8,6 +8,12 @@ end
class ::MyOtherMailInterceptor < ::MyMailInterceptor; end
+class ::MyPreviewMailInterceptor
+ def self.previewing_email(email); email; end
+end
+
+class ::MyOtherPreviewMailInterceptor < ::MyPreviewMailInterceptor; end
+
class ::MyMailObserver
def self.delivered_email(email); email; end
end
@@ -35,7 +41,7 @@ module ApplicationTests
def setup
build_app
boot_rails
- FileUtils.rm_rf("#{app_path}/config/environments")
+ supress_default_config
end
def teardown
@@ -43,6 +49,15 @@ module ApplicationTests
FileUtils.rm_rf(new_app) if File.directory?(new_app)
end
+ def supress_default_config
+ FileUtils.mv("#{app_path}/config/environments", "#{app_path}/config/__environments__")
+ end
+
+ def restore_default_config
+ FileUtils.rm_rf("#{app_path}/config/environments")
+ FileUtils.mv("#{app_path}/config/__environments__", "#{app_path}/config/environments")
+ end
+
test "Rails.env does not set the RAILS_ENV environment variable which would leak out into rake tasks" do
require "rails"
@@ -53,6 +68,20 @@ module ApplicationTests
end
end
+ test "lib dir is on LOAD_PATH during config" do
+ app_file 'lib/my_logger.rb', <<-RUBY
+ require "logger"
+ class MyLogger < ::Logger
+ end
+ RUBY
+ add_to_top_of_config <<-RUBY
+ require 'my_logger'
+ config.logger = MyLogger.new STDOUT
+ RUBY
+ require "#{app_path}/config/environment"
+ assert_equal 'MyLogger', Rails.application.config.logger.class.name
+ end
+
test "a renders exception on pending migration" do
add_to_config <<-RUBY
config.active_record.migration_error = :page_load
@@ -60,13 +89,25 @@ module ApplicationTests
config.action_dispatch.show_exceptions = true
RUBY
+ app_file 'db/migrate/20140708012246_create_user.rb', <<-RUBY
+ class CreateUser < ActiveRecord::Migration
+ def change
+ create_table :users
+ end
+ end
+ RUBY
+
require "#{app_path}/config/environment"
- ActiveRecord::Migrator.stubs(:needs_migration?).returns(true)
- ActiveRecord::NullMigration.any_instance.stubs(:mtime).returns(1)
- get "/foo"
- assert_equal 500, last_response.status
- assert_match "ActiveRecord::PendingMigrationError", last_response.body
+ ActiveRecord::Migrator.migrations_paths = ["#{app_path}/db/migrate"]
+
+ begin
+ get "/foo"
+ assert_equal 500, last_response.status
+ assert_match "ActiveRecord::PendingMigrationError", last_response.body
+ ensure
+ ActiveRecord::Migrator.migrations_paths = nil
+ end
end
test "Rails.groups returns available groups" do
@@ -100,7 +141,7 @@ module ApplicationTests
test "Rails::Application responds to paths" do
require "#{app_path}/config/environment"
assert_respond_to AppTemplate::Application, :paths
- assert_equal AppTemplate::Application.paths["app/views"].expanded, ["#{app_path}/app/views"]
+ assert_equal ["#{app_path}/app/views"], AppTemplate::Application.paths["app/views"].expanded
end
test "the application root is set correctly" do
@@ -164,7 +205,7 @@ module ApplicationTests
test "application is always added to eager_load namespaces" do
require "#{app_path}/config/application"
- assert Rails.application, Rails.application.config.eager_load_namespaces
+ assert_includes Rails.application.config.eager_load_namespaces, AppTemplate::Application
end
test "the application can be eager loaded even when there are no frameworks" do
@@ -248,10 +289,41 @@ module ApplicationTests
assert_equal Pathname.new(app_path).join("somewhere"), Rails.public_path
end
+ test "In production mode, config.serve_static_files is off by default" do
+ restore_default_config
+
+ with_rails_env "production" do
+ require "#{app_path}/config/environment"
+ assert_not app.config.serve_static_files
+ end
+ end
+
+ test "In production mode, config.serve_static_files is enabled when RAILS_SERVE_STATIC_FILES is set" do
+ restore_default_config
+
+ with_rails_env "production" do
+ switch_env "RAILS_SERVE_STATIC_FILES", "1" do
+ require "#{app_path}/config/environment"
+ assert app.config.serve_static_files
+ end
+ end
+ end
+
+ test "In production mode, config.serve_static_files is disabled when RAILS_SERVE_STATIC_FILES is blank" do
+ restore_default_config
+
+ with_rails_env "production" do
+ switch_env "RAILS_SERVE_STATIC_FILES", " " do
+ require "#{app_path}/config/environment"
+ assert_not app.config.serve_static_files
+ end
+ end
+ end
+
test "Use key_generator when secret_key_base is set" do
- make_basic_app do |app|
- app.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33'
- app.config.session_store :disabled
+ make_basic_app do |application|
+ application.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33'
+ application.config.session_store :disabled
end
class ::OmgController < ActionController::Base
@@ -269,9 +341,9 @@ module ApplicationTests
end
test "application verifier can be used in the entire application" do
- make_basic_app do |app|
- app.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33'
- app.config.session_store :disabled
+ make_basic_app do |application|
+ application.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33'
+ application.config.session_store :disabled
end
message = app.message_verifier(:sensitive_value).generate("some_value")
@@ -283,10 +355,55 @@ module ApplicationTests
assert_equal 'some_value', verifier.verify(message)
end
+ test "application message verifier can be used when the key_generator is ActiveSupport::LegacyKeyGenerator" do
+ app_file 'config/initializers/secret_token.rb', <<-RUBY
+ Rails.application.config.secret_token = "b3c631c314c0bbca50c1b2843150fe33"
+ RUBY
+ app_file 'config/secrets.yml', <<-YAML
+ development:
+ secret_key_base:
+ YAML
+ require "#{app_path}/config/environment"
+
+
+ assert_equal app.env_config['action_dispatch.key_generator'], Rails.application.key_generator
+ assert_equal app.env_config['action_dispatch.key_generator'].class, ActiveSupport::LegacyKeyGenerator
+ message = app.message_verifier(:sensitive_value).generate("some_value")
+ assert_equal 'some_value', Rails.application.message_verifier(:sensitive_value).verify(message)
+ end
+
+ test "warns when secrets.secret_key_base is blank and config.secret_token is set" do
+ app_file 'config/initializers/secret_token.rb', <<-RUBY
+ Rails.application.config.secret_token = "b3c631c314c0bbca50c1b2843150fe33"
+ RUBY
+ app_file 'config/secrets.yml', <<-YAML
+ development:
+ secret_key_base:
+ YAML
+ require "#{app_path}/config/environment"
+
+ assert_deprecated(/You didn't set `secret_key_base`./) do
+ app.env_config
+ end
+ end
+
+ test "prefer secrets.secret_token over config.secret_token" do
+ app_file 'config/initializers/secret_token.rb', <<-RUBY
+ Rails.application.config.secret_token = ""
+ RUBY
+ app_file 'config/secrets.yml', <<-YAML
+ development:
+ secret_token: 3b7cd727ee24e8444053437c36cc66c3
+ YAML
+ require "#{app_path}/config/environment"
+
+ assert_equal '3b7cd727ee24e8444053437c36cc66c3', app.secrets.secret_token
+ end
+
test "application verifier can build different verifiers" do
- make_basic_app do |app|
- app.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33'
- app.config.session_store :disabled
+ make_basic_app do |application|
+ application.secrets.secret_key_base = 'b3c631c314c0bbca50c1b2843150fe33'
+ application.config.session_store :disabled
end
default_verifier = app.message_verifier(:sensitive_value)
@@ -323,6 +440,21 @@ module ApplicationTests
assert_equal '3b7cd727ee24e8444053437c36cc66c3', app.secrets.secret_key_base
end
+ test "config.secret_token over-writes a blank secrets.secret_token" do
+ app_file 'config/initializers/secret_token.rb', <<-RUBY
+ Rails.application.config.secret_token = "b3c631c314c0bbca50c1b2843150fe33"
+ RUBY
+ app_file 'config/secrets.yml', <<-YAML
+ development:
+ secret_key_base:
+ secret_token:
+ YAML
+ require "#{app_path}/config/environment"
+
+ assert_equal 'b3c631c314c0bbca50c1b2843150fe33', app.secrets.secret_token
+ assert_equal 'b3c631c314c0bbca50c1b2843150fe33', app.config.secret_token
+ end
+
test "custom secrets saved in config/secrets.yml are loaded in app secrets" do
app_file 'config/secrets.yml', <<-YAML
development:
@@ -336,6 +468,59 @@ module ApplicationTests
assert_equal 'myamazonsecretaccesskey', app.secrets.aws_secret_access_key
end
+ test "blank config/secrets.yml does not crash the loading process" do
+ app_file 'config/secrets.yml', <<-YAML
+ YAML
+ require "#{app_path}/config/environment"
+
+ assert_nil app.secrets.not_defined
+ end
+
+ test "config.secret_key_base over-writes a blank secrets.secret_key_base" do
+ app_file 'config/initializers/secret_token.rb', <<-RUBY
+ Rails.application.config.secret_key_base = "iaminallyoursecretkeybase"
+ RUBY
+ app_file 'config/secrets.yml', <<-YAML
+ development:
+ secret_key_base:
+ YAML
+ require "#{app_path}/config/environment"
+
+ assert_equal "iaminallyoursecretkeybase", app.secrets.secret_key_base
+ end
+
+ test "uses ActiveSupport::LegacyKeyGenerator as app.key_generator when secrets.secret_key_base is blank" do
+ app_file 'config/initializers/secret_token.rb', <<-RUBY
+ Rails.application.config.secret_token = "b3c631c314c0bbca50c1b2843150fe33"
+ RUBY
+ app_file 'config/secrets.yml', <<-YAML
+ development:
+ secret_key_base:
+ YAML
+ require "#{app_path}/config/environment"
+
+ assert_equal 'b3c631c314c0bbca50c1b2843150fe33', app.config.secret_token
+ assert_equal nil, app.secrets.secret_key_base
+ assert_equal app.key_generator.class, ActiveSupport::LegacyKeyGenerator
+ end
+
+ test "uses ActiveSupport::LegacyKeyGenerator with config.secret_token as app.key_generator when secrets.secret_key_base is blank" do
+ app_file 'config/initializers/secret_token.rb', <<-RUBY
+ Rails.application.config.secret_token = ""
+ RUBY
+ app_file 'config/secrets.yml', <<-YAML
+ development:
+ secret_key_base:
+ YAML
+ require "#{app_path}/config/environment"
+
+ assert_equal '', app.config.secret_token
+ assert_equal nil, app.secrets.secret_key_base
+ assert_raise ArgumentError, /\AA secret is required/ do
+ app.key_generator
+ end
+ end
+
test "protect from forgery is the default in a new app" do
make_basic_app
@@ -349,15 +534,56 @@ module ApplicationTests
assert last_response.body =~ /csrf\-param/
end
+ test "default form builder specified as a string" do
+
+ app_file 'config/initializers/form_builder.rb', <<-RUBY
+ class CustomFormBuilder < ActionView::Helpers::FormBuilder
+ def text_field(attribute, *args)
+ label(attribute) + super(attribute, *args)
+ end
+ end
+ Rails.configuration.action_view.default_form_builder = "CustomFormBuilder"
+ RUBY
+
+ app_file 'app/models/post.rb', <<-RUBY
+ class Post
+ include ActiveModel::Model
+ attr_accessor :name
+ end
+ RUBY
+
+
+ app_file 'app/controllers/posts_controller.rb', <<-RUBY
+ class PostsController < ApplicationController
+ def index
+ render inline: "<%= begin; form_for(Post.new) {|f| f.text_field(:name)}; rescue => e; e.to_s; end %>"
+ end
+ end
+ RUBY
+
+ add_to_config <<-RUBY
+ routes.prepend do
+ resources :posts
+ end
+ RUBY
+
+ require "#{app_path}/config/environment"
+
+ get "/posts"
+ assert_match(/label/, last_response.body)
+ end
+
test "default method for update can be changed" do
app_file 'app/models/post.rb', <<-RUBY
class Post
- extend ActiveModel::Naming
+ include ActiveModel::Model
def to_key; [1]; end
def persisted?; true; end
end
RUBY
+ token = "cf50faa3fe97702ca1ae"
+
app_file 'app/controllers/posts_controller.rb', <<-RUBY
class PostsController < ApplicationController
def show
@@ -367,6 +593,10 @@ module ApplicationTests
def update
render text: "update"
end
+
+ private
+
+ def form_authenticity_token; token; end # stub the authenticy token
end
RUBY
@@ -378,8 +608,6 @@ module ApplicationTests
require "#{app_path}/config/environment"
- token = "cf50faa3fe97702ca1ae"
- PostsController.any_instance.stubs(:form_authenticity_token).returns(token)
params = {authenticity_token: token}
get "/posts/1"
@@ -399,8 +627,8 @@ module ApplicationTests
end
test "request forgery token param can be changed" do
- make_basic_app do
- app.config.action_controller.request_forgery_protection_token = '_xsrf_token_here'
+ make_basic_app do |application|
+ application.config.action_controller.request_forgery_protection_token = '_xsrf_token_here'
end
class ::OmgController < ActionController::Base
@@ -410,7 +638,7 @@ module ApplicationTests
end
get "/"
- assert last_response.body =~ /_xsrf_token_here/
+ assert_match "_xsrf_token_here", last_response.body
end
test "sets ActionDispatch.test_app" do
@@ -419,8 +647,8 @@ module ApplicationTests
end
test "sets ActionDispatch::Response.default_charset" do
- make_basic_app do |app|
- app.config.action_dispatch.default_charset = "utf-16"
+ make_basic_app do |application|
+ application.config.action_dispatch.default_charset = "utf-16"
end
assert_equal "utf-16", ActionDispatch::Response.default_charset
@@ -452,6 +680,32 @@ module ApplicationTests
assert_equal [::MyMailInterceptor, ::MyOtherMailInterceptor], ::Mail.send(:class_variable_get, "@@delivery_interceptors")
end
+ test "registers preview interceptors with ActionMailer" do
+ add_to_config <<-RUBY
+ config.action_mailer.preview_interceptors = MyPreviewMailInterceptor
+ RUBY
+
+ require "#{app_path}/config/environment"
+ require "mail"
+
+ _ = ActionMailer::Base
+
+ assert_equal [::MyPreviewMailInterceptor], ActionMailer::Base.preview_interceptors
+ end
+
+ test "registers multiple preview interceptors with ActionMailer" do
+ add_to_config <<-RUBY
+ config.action_mailer.preview_interceptors = [MyPreviewMailInterceptor, "MyOtherPreviewMailInterceptor"]
+ RUBY
+
+ require "#{app_path}/config/environment"
+ require "mail"
+
+ _ = ActionMailer::Base
+
+ assert_equal [MyPreviewMailInterceptor, MyOtherPreviewMailInterceptor], ActionMailer::Base.preview_interceptors
+ end
+
test "registers observers with ActionMailer" do
add_to_config <<-RUBY
config.action_mailer.observers = MyMailObserver
@@ -481,7 +735,7 @@ module ApplicationTests
test "valid timezone is setup correctly" do
add_to_config <<-RUBY
config.root = "#{app_path}"
- config.time_zone = "Wellington"
+ config.time_zone = "Wellington"
RUBY
require "#{app_path}/config/environment"
@@ -492,7 +746,7 @@ module ApplicationTests
test "raises when an invalid timezone is defined in the config" do
add_to_config <<-RUBY
config.root = "#{app_path}"
- config.time_zone = "That big hill over yonder hill"
+ config.time_zone = "That big hill over yonder hill"
RUBY
assert_raise(ArgumentError) do
@@ -503,7 +757,7 @@ module ApplicationTests
test "valid beginning of week is setup correctly" do
add_to_config <<-RUBY
config.root = "#{app_path}"
- config.beginning_of_week = :wednesday
+ config.beginning_of_week = :wednesday
RUBY
require "#{app_path}/config/environment"
@@ -514,7 +768,7 @@ module ApplicationTests
test "raises when an invalid beginning of week is defined in the config" do
add_to_config <<-RUBY
config.root = "#{app_path}"
- config.beginning_of_week = :invalid
+ config.beginning_of_week = :invalid
RUBY
assert_raise(ArgumentError) do
@@ -575,8 +829,8 @@ module ApplicationTests
end
test "config.action_dispatch.show_exceptions is sent in env" do
- make_basic_app do |app|
- app.config.action_dispatch.show_exceptions = true
+ make_basic_app do |application|
+ application.config.action_dispatch.show_exceptions = true
end
class ::OmgController < ActionController::Base
@@ -674,6 +928,44 @@ module ApplicationTests
assert_match "We're sorry, but something went wrong", last_response.body
end
+ test "config.action_controller.always_permitted_parameters are: controller, action by default" do
+ require "#{app_path}/config/environment"
+ assert_equal %w(controller action), ActionController::Parameters.always_permitted_parameters
+ end
+
+ test "config.action_controller.always_permitted_parameters = ['controller', 'action', 'format']" do
+ add_to_config <<-RUBY
+ config.action_controller.always_permitted_parameters = %w( controller action format )
+ RUBY
+ require "#{app_path}/config/environment"
+ assert_equal %w( controller action format ), ActionController::Parameters.always_permitted_parameters
+ end
+
+ test "config.action_controller.always_permitted_parameters = ['controller','action','format'] does not raise exeception" do
+ app_file 'app/controllers/posts_controller.rb', <<-RUBY
+ class PostsController < ActionController::Base
+ def create
+ render text: params.permit(post: [:title])
+ end
+ end
+ RUBY
+
+ add_to_config <<-RUBY
+ routes.prepend do
+ resources :posts
+ end
+ config.action_controller.always_permitted_parameters = %w( controller action format )
+ config.action_controller.action_on_unpermitted_parameters = :raise
+ RUBY
+
+ require "#{app_path}/config/environment"
+
+ assert_equal :raise, ActionController::Parameters.action_on_unpermitted_parameters
+
+ post "/posts", {post: {"title" =>"zomg"}, format: "json"}
+ assert_equal 200, last_response.status
+ end
+
test "config.action_controller.action_on_unpermitted_parameters is :log by default on development" do
ENV["RAILS_ENV"] = "development"
@@ -699,8 +991,8 @@ module ApplicationTests
end
test "config.action_dispatch.ignore_accept_header" do
- make_basic_app do |app|
- app.config.action_dispatch.ignore_accept_header = true
+ make_basic_app do |application|
+ application.config.action_dispatch.ignore_accept_header = true
end
class ::OmgController < ActionController::Base
@@ -737,9 +1029,9 @@ module ApplicationTests
test "config.session_store with :active_record_store with activerecord-session_store gem" do
begin
- make_basic_app do |app|
+ make_basic_app do |application|
ActionDispatch::Session::ActiveRecordStore = Class.new(ActionDispatch::Session::CookieStore)
- app.config.session_store :active_record_store
+ application.config.session_store :active_record_store
end
ensure
ActionDispatch::Session.send :remove_const, :ActiveRecordStore
@@ -748,38 +1040,259 @@ module ApplicationTests
test "config.session_store with :active_record_store without activerecord-session_store gem" do
assert_raise RuntimeError, /activerecord-session_store/ do
- make_basic_app do |app|
- app.config.session_store :active_record_store
+ make_basic_app do |application|
+ application.config.session_store :active_record_store
end
end
end
- test "lookup config.log_level with custom logger (stdlib Logger)" do
- make_basic_app do |app|
- app.config.logger = Logger.new(STDOUT)
- app.config.log_level = :info
+ test "config.log_level with custom logger" do
+ make_basic_app do |application|
+ application.config.logger = Logger.new(STDOUT)
+ application.config.log_level = :info
end
assert_equal Logger::INFO, Rails.logger.level
end
- test "assign log_level as is with custom logger (third party logger)" do
- logger_class = Class.new do
- attr_accessor :level
- end
- logger_instance = logger_class.new
- make_basic_app do |app|
- app.config.logger = logger_instance
- app.config.log_level = :info
- end
- assert_equal logger_instance, Rails.logger
- assert_equal :info, Rails.logger.level
- end
-
test "respond_to? accepts include_private" do
make_basic_app
assert_not Rails.configuration.respond_to?(:method_missing)
assert Rails.configuration.respond_to?(:method_missing, true)
end
+
+ test "config.active_record.dump_schema_after_migration is false on production" do
+ build_app
+ ENV["RAILS_ENV"] = "production"
+
+ require "#{app_path}/config/environment"
+
+ assert_not ActiveRecord::Base.dump_schema_after_migration
+ end
+
+ test "config.active_record.dump_schema_after_migration is true by default on development" do
+ ENV["RAILS_ENV"] = "development"
+
+ require "#{app_path}/config/environment"
+
+ assert ActiveRecord::Base.dump_schema_after_migration
+ end
+
+ test "config.annotations wrapping SourceAnnotationExtractor::Annotation class" do
+ make_basic_app do |application|
+ application.config.annotations.register_extensions("coffee") do |tag|
+ /#\s*(#{tag}):?\s*(.*)$/
+ end
+ end
+
+ assert_not_nil SourceAnnotationExtractor::Annotation.extensions[/\.(coffee)$/]
+ end
+
+ test "rake_tasks block works at instance level" do
+ app_file "config/environments/development.rb", <<-RUBY
+ Rails.application.configure do
+ config.ran_block = false
+
+ rake_tasks do
+ config.ran_block = true
+ end
+ end
+ RUBY
+
+ require "#{app_path}/config/environment"
+ assert_not Rails.configuration.ran_block
+
+ require 'rake'
+ require 'rake/testtask'
+ require 'rdoc/task'
+
+ Rails.application.load_tasks
+ assert Rails.configuration.ran_block
+ end
+
+ test "generators block works at instance level" do
+ app_file "config/environments/development.rb", <<-RUBY
+ Rails.application.configure do
+ config.ran_block = false
+
+ generators do
+ config.ran_block = true
+ end
+ end
+ RUBY
+
+ require "#{app_path}/config/environment"
+ assert_not Rails.configuration.ran_block
+
+ Rails.application.load_generators
+ assert Rails.configuration.ran_block
+ end
+
+ test "console block works at instance level" do
+ app_file "config/environments/development.rb", <<-RUBY
+ Rails.application.configure do
+ config.ran_block = false
+
+ console do
+ config.ran_block = true
+ end
+ end
+ RUBY
+
+ require "#{app_path}/config/environment"
+ assert_not Rails.configuration.ran_block
+
+ Rails.application.load_console
+ assert Rails.configuration.ran_block
+ end
+
+ test "runner block works at instance level" do
+ app_file "config/environments/development.rb", <<-RUBY
+ Rails.application.configure do
+ config.ran_block = false
+
+ runner do
+ config.ran_block = true
+ end
+ end
+ RUBY
+
+ require "#{app_path}/config/environment"
+ assert_not Rails.configuration.ran_block
+
+ Rails.application.load_runner
+ assert Rails.configuration.ran_block
+ end
+
+ test "loading the first existing database configuration available" do
+ app_file 'config/environments/development.rb', <<-RUBY
+
+ Rails.application.configure do
+ config.paths.add 'config/database', with: 'config/nonexistent.yml'
+ config.paths['config/database'] << 'config/database.yml'
+ end
+ RUBY
+
+ require "#{app_path}/config/environment"
+
+ assert_kind_of Hash, Rails.application.config.database_configuration
+ end
+
+ test 'raises with proper error message if no database configuration found' do
+ FileUtils.rm("#{app_path}/config/database.yml")
+ require "#{app_path}/config/environment"
+ err = assert_raises RuntimeError do
+ Rails.application.config.database_configuration
+ end
+ assert_match 'config/database', err.message
+ end
+
+ test 'config.action_mailer.show_previews defaults to true in development' do
+ Rails.env = "development"
+ require "#{app_path}/config/environment"
+
+ assert Rails.application.config.action_mailer.show_previews
+ end
+
+ test 'config.action_mailer.show_previews defaults to false in production' do
+ Rails.env = "production"
+ require "#{app_path}/config/environment"
+
+ assert_equal false, Rails.application.config.action_mailer.show_previews
+ end
+
+ test 'config.action_mailer.show_previews can be set in the configuration file' do
+ Rails.env = "production"
+ add_to_config <<-RUBY
+ config.action_mailer.show_previews = true
+ RUBY
+ require "#{app_path}/config/environment"
+
+ assert_equal true, Rails.application.config.action_mailer.show_previews
+ end
+
+ test "config_for loads custom configuration from yaml files" do
+ app_file 'config/custom.yml', <<-RUBY
+ development:
+ key: 'custom key'
+ RUBY
+
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+
+ require "#{app_path}/config/environment"
+
+ assert_equal 'custom key', Rails.application.config.my_custom_config['key']
+ end
+
+ test "config_for raises an exception if the file does not exist" do
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+
+ exception = assert_raises(RuntimeError) do
+ require "#{app_path}/config/environment"
+ end
+
+ assert_equal "Could not load configuration. No such file - #{app_path}/config/custom.yml", exception.message
+ end
+
+ test "config_for without the environment configured returns an empty hash" do
+ app_file 'config/custom.yml', <<-RUBY
+ test:
+ key: 'custom key'
+ RUBY
+
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+ require "#{app_path}/config/environment"
+
+ assert_equal({}, Rails.application.config.my_custom_config)
+ end
+
+ test "config_for with empty file returns an empty hash" do
+ app_file 'config/custom.yml', <<-RUBY
+ RUBY
+
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+ require "#{app_path}/config/environment"
+
+ assert_equal({}, Rails.application.config.my_custom_config)
+ end
+
+ test "config_for containing ERB tags should evaluate" do
+ app_file 'config/custom.yml', <<-RUBY
+ development:
+ key: <%= 'custom key' %>
+ RUBY
+
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+ require "#{app_path}/config/environment"
+
+ assert_equal 'custom key', Rails.application.config.my_custom_config['key']
+ end
+
+ test "config_for with syntax error show a more descritive exception" do
+ app_file 'config/custom.yml', <<-RUBY
+ development:
+ key: foo:
+ RUBY
+
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+
+ exception = assert_raises(RuntimeError) do
+ require "#{app_path}/config/environment"
+ end
+
+ assert_match 'YAML syntax error occurred while parsing', exception.message
+ end
end
end