我第一次尝试在rails 3应用程序中使用硒（我之前在rails 2中使用过它）。 我在一个 rvm 中，它当然有自己的宝石集。
我首先用没有硒的水豚运行任务：
#./spec/requests/homepage_spec.rb
require 'spec_helper'
describe 'home page', :type => :request do
it 'should welcome the user' do
visit '/'
page.should have_content('Buddy')
end
end
这运行良好。 然后，我在描述选项中添加了一个"：js => true"选项，这应该使其使用硒运行（据我所知）。 并得到此错误：
Failure/Error: @page.start_new_browser_session
WebMock::NetConnectNotAllowedError:
Real HTTP connections are disabled. Unregistered request: POST http://localhost:4444/selenium-server/driver/ with body 'cmd=getNewBrowserSession&1=%2Afirefox&2=http%3A%2F%2Flocalhost%3A3000&3=&4=' with headers {'Accept'=>'*/*', 'Content-Type'=>'application/x-www-form-urlencoded; charset=utf-8', 'User-Agent'=>'Ruby'}
You can stub this request with the following snippet:
stub_request(:post, "http://localhost:4444/selenium-server/driver/").
with(:body => "cmd=getNewBrowserSession&1=%2Afirefox&2=http%3A%2F%2Flocalhost%3A3000&3=&4=",
:headers => {'Accept'=>'*/*', 'Content-Type'=>'application/x-www-form-urlencoded; charset=utf-8', 'User-Agent'=>'Ruby'}).
to_return(:status => 200, :body => "", :headers => {})
============================================================
这是我第一次使用水豚，我认为我的配置不知何故是错误的。 也许错过了一些重要的宝石？我正在关注这篇博文：Capybara（和Selenium）与RSpec&Rails 3：快速教程
有什么想法吗？
PS，这是我的宝石文件内容：
source 'http://rubygems.org'
gem 'rails', '3.0.7'
gem 'haml'
gem 'heroku'
gem "heroku_backup_task"
gem 'authlogic', '3.0.2'
gem 'rails3-generators'
gem 'txtlocal', :git => 'git://github.com/epigenesys/txtlocal.git'
gem 'chronic'
gem 'sqlite3-ruby', :require => 'sqlite3'
gem 'bcrypt-ruby'
group :development, :test do
gem 'rspec'
gem 'mocha'
gem "rspec-rails", "~> 2.4"
gem "webmock"
gem 'database_cleaner', '0.5.2'
gem 'capybara', :git => 'git://github.com/jnicklas/capybara.git'
gem 'selenium-client'
end
和我的 Gemfile.lock：
GIT
remote: git://github.com/epigenesys/txtlocal.git
revision: 66aab6628d4385eda959e4a8bd083cc2c259fea0
specs:
txtlocal (0.0.1)
json
GIT
remote: git://github.com/jnicklas/capybara.git
revision: 9cdf015e28637b7b0d94f5a69f9bc3605455ce22
specs:
capybara (1.0.0.beta1)
mime-types (>= 1.16)
nokogiri (>= 1.3.3)
rack (>= 1.0.0)
rack-test (>= 0.5.4)
selenium-webdriver (~> 0.2.0)
xpath (~> 0.1.4)
GEM
remote: http://rubygems.org/
specs:
abstract (1.0.0)
actionmailer (3.0.7)
actionpack (= 3.0.7)
mail (~> 2.2.15)
actionpack (3.0.7)
activemodel (= 3.0.7)
activesupport (= 3.0.7)
builder (~> 2.1.2)
erubis (~> 2.6.6)
i18n (~> 0.5.0)
rack (~> 1.2.1)
rack-mount (~> 0.6.14)
rack-test (~> 0.5.7)
tzinfo (~> 0.3.23)
activemodel (3.0.7)
activesupport (= 3.0.7)
builder (~> 2.1.2)
i18n (~> 0.5.0)
activerecord (3.0.7)
activemodel (= 3.0.7)
activesupport (= 3.0.7)
arel (~> 2.0.2)
tzinfo (~> 0.3.23)
activeresource (3.0.7)
activemodel (= 3.0.7)
activesupport (= 3.0.7)
activesupport (3.0.7)
addressable (2.2.5)
arel (2.0.9)
authlogic (3.0.2)
activerecord (~> 3.0.7)
activerecord (~> 3.0.7)
bcrypt-ruby (2.1.4)
builder (2.1.2)
childprocess (0.1.8)
ffi (~> 1.0.6)
chronic (0.3.0)
configuration (1.2.0)
crack (0.1.8)
database_cleaner (0.5.2)
diff-lcs (1.1.2)
erubis (2.6.6)
abstract (>= 1.0.0)
ffi (1.0.7)
rake (>= 0.8.7)
haml (3.1.1)
heroku (2.1.2)
launchy (>= 0.3.2)
rest-client (~> 1.6.1)
term-ansicolor (~> 1.0.5)
heroku_backup_task (0.0.5)
heroku (>= 1.13.7)
rake
i18n (0.5.0)
json (1.5.1)
json_pure (1.5.1)
launchy (0.4.0)
configuration (>= 0.0.5)
rake (>= 0.8.1)
mail (2.2.19)
activesupport (>= 2.3.6)
i18n (>= 0.4.0)
mime-types (~> 1.16)
treetop (~> 1.4.8)
mime-types (1.16)
mocha (0.9.12)
nokogiri (1.4.4)
polyglot (0.3.1)
rack (1.2.2)
rack-mount (0.6.14)
rack (>= 1.0.0)
rack-test (0.5.7)
rack (>= 1.0)
rails (3.0.7)
actionmailer (= 3.0.7)
actionpack (= 3.0.7)
activerecord (= 3.0.7)
activeresource (= 3.0.7)
activesupport (= 3.0.7)
bundler (~> 1.0)
railties (= 3.0.7)
rails3-generators (0.17.4)
railties (>= 3.0.0)
railties (3.0.7)
actionpack (= 3.0.7)
activesupport (= 3.0.7)
rake (>= 0.8.7)
thor (~> 0.14.4)
rake (0.8.7)
rest-client (1.6.1)
mime-types (>= 1.16)
rspec (2.6.0)
rspec-core (~> 2.6.0)
rspec-expectations (~> 2.6.0)
rspec-mocks (~> 2.6.0)
rspec-core (2.6.0)
rspec-expectations (2.6.0)
diff-lcs (~> 1.1.2)
rspec-mocks (2.6.0)
rspec-rails (2.6.0)
actionpack (~> 3.0)
activesupport (~> 3.0)
railties (~> 3.0)
rspec (~> 2.6.0)
rubyzip (0.9.4)
selenium-client (1.2.18)
selenium-webdriver (0.2.0)
childprocess (>= 0.1.7)
ffi (>= 1.0.7)
json_pure
rubyzip
sqlite3 (1.3.3)
sqlite3-ruby (1.3.3)
sqlite3 (>= 1.3.3)
term-ansicolor (1.0.5)
thor (0.14.6)
treetop (1.4.9)
polyglot (>= 0.3.1)
tzinfo (0.3.27)
webmock (1.6.2)
addressable (>= 2.2.2)
crack (>= 0.1.7)
xpath (0.1.4)
nokogiri (~> 1.3)
PLATFORMS
ruby
DEPENDENCIES
authlogic (= 3.0.2)
bcrypt-ruby
capybara!
chronic
database_cleaner (= 0.5.2)
haml
heroku
heroku_backup_task
mocha
rails (= 3.0.7)
rails3-generators
rspec
rspec-rails (~> 2.4)
selenium-client
sqlite3-ruby
txtlocal!
webmock
有了这个...
WebMock.disable_net_connect!(:allow_localhost => true)
您允许对本地主机进行真正的网络访问。当您需要为您的应用程序使用 Selenium 并同时模拟外部资源时，它是完美的。
这是因为您正在使用 webmock。它会阻止所有出站 HTTP 请求。
如果不需要它，请将其从 Gemfile 中删除。如果您确实需要它，那么您可能需要根据需要更精确地配置它：
https://github.com/bblimke/webmock
我们使用它来启用水豚中的正常请求，并允许 Selenium 在任何地方回调，因为它们是在请求完成后触发的。
# spec/spec_helper.rb
RSpec.configure do |config|
config.before(:all, type: :request) do
WebMock.allow_net_connect!
end
config.after(:all, type: :request) do
selenium_requests = %r{/((__.+__)|(hub/session.*))$}
WebMock.disable_net_connect! :allow => selenium_requests
end
end
改进@grosser代码
RSpec.configure do |config|
config.before do
WebMock.enable!
if Capybara.current_driver != :rack_test
selenium_requests = %r{/((__.+__)|(hub/session.*))$}
WebMock.disable_net_connect! :allow => selenium_requests
WebMock.disable_net_connect! :allow => "127.0.0.1:#{Capybara.current_session.driver.server_port}" # this only works for capybara selenium and capybara-webkit
else
WebMock.disable_net_connect!
end
end
# for connections where we need to have network access we just tag it network
config.before(:each, :network => true) do
WebMock.disable!
end
end
WebMock.disable_net_connect! allow_localhost: true
在我的特定情况下，我的问题是常青树（javascript rspec）。
我补充说：
WebMock.disable_net_connect! :allow_localhost => true
到我的环境/env*.rb，因为常青树不加载 rspec 助手。
这里有很好的建议。另一个更精细的解决方案：
WebMock.disable_net_connect!(
allow: [
'localhost',
'dynamo:8000',
'pact-broker:81'
]
)
特别适用于将 docker 撰写容器列入白名单！