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# we need to run post_rails_init_spec as the latest
# because it cause unrevertable changes to runtime
# what is why I added "zzz_last" in the beginning
require 'spec_helper'
require "fileutils"
describe "after Rails initialization" do
NAME = Rails.root.join('app', 'assets', 'javascripts', 'routes.js').to_s
def sprockets_v3?
Sprockets::VERSION.to_i >= 3
end
def sprockets_context(environment, name, filename)
if sprockets_v3?
Sprockets::Context.new(environment: environment, name: name, filename: filename.to_s, metadata: {})
else
Sprockets::Context.new(environment, name, filename)
end
end
def evaluate(ctx, file)
if sprockets_v3?
ctx.load(ctx.environment.find_asset(file, pipeline: :default).uri).to_s
else
ctx.evaluate(file)
end
end
before(:each) do
FileUtils.rm_rf Rails.root.join('tmp/cache')
FileUtils.rm_f NAME
JsRoutes.generate!(NAME)
end
before(:all) do
Rails.configuration.eager_load = false
Rails.application.initialize!
end
it "should generate routes file" do
expect(File.exists?(NAME)).to be_truthy
end
it "should not rewrite routes file if nothing changed" do
routes_file_mtime = File.mtime(NAME)
JsRoutes.generate!(NAME)
expect(File.mtime(NAME)).to eq(routes_file_mtime)
end
it "should rewrite routes file if file content changed" do
# Change content of existed routes file (add space to the end of file).
File.open(NAME, 'a') { |f| f << ' ' }
routes_file_mtime = File.mtime(NAME)
sleep(1)
JsRoutes.generate!(NAME)
expect(File.mtime(NAME)).not_to eq(routes_file_mtime)
end
context "JsRoutes::Engine" do
TEST_ASSET_PATH = Rails.root.join('app','assets','javascripts','test.js')
before(:all) do
File.open(TEST_ASSET_PATH,'w') do |f|
f.puts "function() {}"
end
end
after(:all) do
FileUtils.rm_f(TEST_ASSET_PATH)
end
context "the preprocessor" do
before(:each) do
path = Rails.root.join('config','routes.rb').to_s
if sprockets_v3?
expect_any_instance_of(Sprockets::Context).to receive(:depend_on).with(path)
else
expect(ctx).to receive(:depend_on).with(path)
end
end
let!(:ctx) do
sprockets_context(Rails.application.assets,
'js-routes.js',
Pathname.new('js-routes.js'))
end
context "when dealing with js-routes.js" do
context "with Rails" do
context "and initialize on precompile" do
before(:each) do
Rails.application.config.assets.initialize_on_precompile = true
end
it "should render some javascript" do
expect(evaluate(ctx, 'js-routes.js')).to match(/routes = /)
end
end
context "and not initialize on precompile" do
before(:each) do
Rails.application.config.assets.initialize_on_precompile = false
end
it "should raise an exception if 3 version" do
expect(evaluate(ctx, 'js-routes.js')).to match(/routes = /)
end
end
end
end
end
context "when not dealing with js-routes.js" do
it "should not depend on routes.rb" do
ctx = sprockets_context(Rails.application.assets,
'test.js',
TEST_ASSET_PATH)
expect(ctx).not_to receive(:depend_on)
evaluate(ctx, 'test.js')
end
end
end
end
describe "JSRoutes thread safety" do
before do
begin
Rails.application.initialize!
rescue
end
end
it "can produce the routes from multiple threads" do
threads = 2.times.map do
Thread.start do
10.times {
expect { JsRoutes.generate }.to_not raise_error
}
end
end
threads.each do |thread|
thread.join
end
end
end
|
