在 Heroku 上使用网络驱动程序硒获取读取超时



在 heroku 上使用硒网络驱动程序时出现以下错误。(rspec->水豚->硒(

Net::ReadTimeout: Net::ReadTimeout with #<TCPSocket:(closed)>

我有heroku-buildpack-google-chrome构建包,带有webdrivers-gem。

并在规范设置中具有以下块:

chrome_shim = ENV.fetch("GOOGLE_CHROME_SHIM", nil)
Selenium::WebDriver::Chrome.path = chrome_shim
chrome_opts = { "chromeOptions" => { "binary" => chrome_shim } }
Capybara.register_driver :selenium do |app|
Capybara::Selenium::Driver.new(
app,
browser: :chrome,
desired_capabilities: Selenium::WebDriver::Remote::Capabilities.chrome(chrome_opts)
)
end
Capybara.javascript_driver = :headless_chrome

Webdrivers.logger.level = :DEBUG输出在这里 https://gist.github.com/IanVaughan/3e0c50d2fa4a60e672b96f6726fbbb8c

capybara (3.30.0)
webdrivers (4.2.0)
selenium-webdriver (3.142.7)

全栈跟踪:https://gist.github.com/IanVaughan/09b31613833d965ee4f3b7d1e48fd1e2

我正在运行的规范是:

RSpec.feature 'User signup flow', :js do
scenario 'Visits home page to signup' do
visit root_path
new_window = window_opened_by { click_link 'Sign Up', match: :first }
within_window new_window do
expect(page).to have_text('New Enquiry', wait: 5)
end
end

如果在应用首次请求期间发生超时,而应用执行一次性操作(编译资产等(,则可能需要增加允许的读取超时

Capybara.register_driver :selenium do |app|
Capybara::Selenium::Driver.new(
...
timeout: 60 # defaults to 30 IIRC
)
end

在无头模式下,cookie 可能在 30 秒后被清除

在chrome选项中添加它并尝试它是否有效:(

--enable-features=NetworkService,NetworkServiceInProcess

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