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require "isolation/abstract_unit"
module ApplicationTests
class PathsTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
def setup
build_app
boot_rails
FileUtils.rm_rf("#{app_path}/config/environments")
app_file "config/environments/development.rb", ""
add_to_config <<-RUBY
config.root = "#{app_path}"
config.after_initialize do |app|
app.config.session_store nil
end
RUBY
require "#{app_path}/config/environment"
@paths = Rails.application.config.paths
end
def teardown
teardown_app
end
def root(*path)
app_path(*path).to_s
end
def assert_path(paths, *dir)
assert_equal [root(*dir)], paths.expanded
end
def assert_in_load_path(*path)
assert $:.any? { |p| File.expand_path(p) == root(*path) }, "Load path does not include '#{root(*path)}'. They are:\n-----\n #{$:.join("\n")}\n-----"
end
def assert_not_in_load_path(*path)
assert !$:.any? { |p| File.expand_path(p) == root(*path) }, "Load path includes '#{root(*path)}'. They are:\n-----\n #{$:.join("\n")}\n-----"
end
test "booting up Rails yields a valid paths object" do
assert_path @paths["app/models"], "app/models"
assert_path @paths["app/helpers"], "app/helpers"
assert_path @paths["app/views"], "app/views"
assert_path @paths["lib"], "lib"
assert_path @paths["vendor"], "vendor"
assert_path @paths["tmp"], "tmp"
assert_path @paths["config"], "config"
assert_path @paths["config/locales"], "config/locales/en.yml"
assert_path @paths["config/environment"], "config/environment.rb"
assert_path @paths["config/environments"], "config/environments/development.rb"
assert_equal root("app", "controllers"), @paths["app/controllers"].expanded.first
end
test "booting up Rails yields a list of paths that will be eager loaded" do
autoload_paths = @paths.autoload_paths
assert autoload_paths.include?(root("app/controllers"))
assert autoload_paths.include?(root("app/helpers"))
assert autoload_paths.include?(root("app/models"))
end
test "environments has a glob equal to the current environment" do
assert_equal "#{Rails.env}.rb", @paths["config/environments"].glob
end
test "load path includes each of the paths in config.paths as long as the directories exist" do
assert_in_load_path "app", "controllers"
assert_in_load_path "app", "models"
assert_in_load_path "app", "helpers"
assert_in_load_path "lib"
assert_in_load_path "vendor"
assert_not_in_load_path "app", "views"
assert_not_in_load_path "config"
assert_not_in_load_path "config", "locales"
assert_not_in_load_path "config", "environments"
assert_not_in_load_path "tmp"
assert_not_in_load_path "tmp", "cache"
end
end
end
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