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RAILS_ISOLATED_ENGINE = true
require "isolation/abstract_unit"
require "generators/generators_test_helper"
require "rails/generators/test_case"
module RailtiesTests
class GeneratorTest < Rails::Generators::TestCase
include ActiveSupport::Testing::Isolation
def destination_root
tmp_path "foo_bar"
end
def tmp_path(*args)
@tmp_path ||= File.realpath(Dir.mktmpdir)
File.join(@tmp_path, *args)
end
def engine_path
tmp_path("foo_bar")
end
def bundled_rails(cmd)
`bundle exec rails #{cmd}`
end
def rails(cmd)
`#{Gem.ruby} #{RAILS_FRAMEWORK_ROOT}/railties/exe/rails #{cmd}`
end
def build_engine(is_mountable = false)
FileUtils.rm_rf(engine_path)
FileUtils.mkdir_p(engine_path)
mountable = is_mountable ? "--mountable" : ""
rails("plugin new #{engine_path} --full #{mountable}")
Dir.chdir(engine_path) do
File.open("Gemfile", "w") do |f|
f.write <<-GEMFILE.gsub(/^ {12}/, "")
source "https://rubygems.org"
gem 'rails', path: '#{RAILS_FRAMEWORK_ROOT}'
gem 'sqlite3'
GEMFILE
end
end
end
def build_mountable_engine
build_engine(true)
end
def test_controllers_are_correctly_namespaced_when_engine_is_mountable
build_mountable_engine
Dir.chdir(engine_path) do
bundled_rails("g controller topics")
assert_file "app/controllers/foo_bar/topics_controller.rb", /module FooBar\n class TopicsController/
assert_no_file "app/controllers/topics_controller.rb"
end
end
def test_models_are_correctly_namespaced_when_engine_is_mountable
build_mountable_engine
Dir.chdir(engine_path) do
bundled_rails("g model topic")
assert_file "app/models/foo_bar/topic.rb", /module FooBar\n class Topic/
assert_no_file "app/models/topic.rb"
end
end
def test_table_name_prefix_is_correctly_namespaced_when_engine_is_mountable
build_mountable_engine
Dir.chdir(engine_path) do
bundled_rails("g model namespaced/topic")
assert_file "app/models/foo_bar/namespaced.rb", /module FooBar\n module Namespaced/ do |content|
assert_class_method :table_name_prefix, content do |method_content|
assert_match(/'foo_bar_namespaced_'/, method_content)
end
end
end
end
def test_helpers_are_correctly_namespaced_when_engine_is_mountable
build_mountable_engine
Dir.chdir(engine_path) do
bundled_rails("g helper topics")
assert_file "app/helpers/foo_bar/topics_helper.rb", /module FooBar\n module TopicsHelper/
assert_no_file "app/helpers/topics_helper.rb"
end
end
def test_controllers_are_not_namespaced_when_engine_is_not_mountable
build_engine
Dir.chdir(engine_path) do
bundled_rails("g controller topics")
assert_file "app/controllers/topics_controller.rb", /class TopicsController/
assert_no_file "app/controllers/foo_bar/topics_controller.rb"
end
end
def test_models_are_not_namespaced_when_engine_is_not_mountable
build_engine
Dir.chdir(engine_path) do
bundled_rails("g model topic")
assert_file "app/models/topic.rb", /class Topic/
assert_no_file "app/models/foo_bar/topic.rb"
end
end
def test_helpers_are_not_namespaced_when_engine_is_not_mountable
build_engine
Dir.chdir(engine_path) do
bundled_rails("g helper topics")
assert_file "app/helpers/topics_helper.rb", /module TopicsHelper/
assert_no_file "app/helpers/foo_bar/topics_helper.rb"
end
end
def test_assert_file_with_special_characters
path = "#{app_path}/tmp"
file_name = "#{path}/v0.1.4~alpha+nightly"
FileUtils.mkdir_p path
FileUtils.touch file_name
assert_file file_name
end
end
end
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