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require "isolation/abstract_unit"
require "railties/shared_tests"
module RailtiesTest
class EngineTest < Test::Unit::TestCase
include ActiveSupport::Testing::Isolation
include SharedTests
def setup
build_app
@plugin = engine "bukkits" do |plugin|
plugin.write "lib/bukkits.rb", <<-RUBY
class Bukkits
class Engine < ::Rails::Engine
end
end
RUBY
plugin.write "lib/another.rb", "class Another; end"
end
end
test "Rails::Engine itself does not respond to config" do
boot_rails
assert !Rails::Engine.respond_to?(:config)
end
test "initializers are executed after application configuration initializers" do
@plugin.write "lib/bukkits.rb", <<-RUBY
class Bukkits
class Engine < ::Rails::Engine
initializer "dummy_initializer" do
end
end
end
RUBY
boot_rails
initializers = Rails.application.initializers.tsort
index = initializers.index { |i| i.name == "dummy_initializer" }
selection = initializers[(index-3)..(index)].map(&:name).map(&:to_s)
assert_equal %w(
load_config_initializers
load_config_initializers
engines_blank_point
dummy_initializer
), selection
assert index < initializers.index { |i| i.name == :build_middleware_stack }
end
class Upcaser
def initialize(app)
@app = app
end
def call(env)
response = @app.call(env)
response[2].upcase!
response
end
end
test "engine is a rack app and can have his own middleware stack" do
@plugin.write "lib/bukkits.rb", <<-RUBY
class Bukkits
class Engine < ::Rails::Engine
endpoint lambda { |env| [200, {'Content-Type' => 'text/html'}, 'Hello World'] }
config.middleware.use ::RailtiesTest::EngineTest::Upcaser
end
end
RUBY
boot_rails
Rails::Application.routes.draw do |map|
mount(Bukkits::Engine => "/bukkits")
end
env = Rack::MockRequest.env_for("/bukkits")
response = Rails::Application.call(env)
assert_equal "HELLO WORLD", response[2]
end
test "it provides routes as default endpoint" do
@plugin.write "lib/bukkits.rb", <<-RUBY
class Bukkits
class Engine < ::Rails::Engine
end
end
RUBY
boot_rails
Bukkits::Engine.routes.draw do |map|
match "/foo" => lambda { |env| [200, {'Content-Type' => 'text/html'}, 'foo'] }
end
Rails::Application.routes.draw do |map|
mount(Bukkits::Engine => "/bukkits")
end
env = Rack::MockRequest.env_for("/bukkits/foo")
response = Rails::Application.call(env)
assert_equal "foo", response[2]
end
test "engine can load its own plugins" do
@plugin.write "lib/bukkits.rb", <<-RUBY
class Bukkits
class Engine < ::Rails::Engine
end
end
RUBY
@plugin.write "vendor/plugins/yaffle/init.rb", <<-RUBY
config.yaffle_loaded = true
RUBY
boot_rails
assert Bukkits::Engine.config.yaffle_loaded
end
end
end
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