diff options
| -rw-r--r-- | spec/support/capybara.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/spec/support/capybara.rb b/spec/support/capybara.rb index 8603b7f3e2c..b8b44e001db 100644 --- a/spec/support/capybara.rb +++ b/spec/support/capybara.rb @@ -7,6 +7,16 @@ require 'selenium-webdriver' # Give CI some extra time timeout = (ENV['CI'] || ENV['CI_SERVER']) ? 60 : 30 +# Define an error class for JS console messages +JSConsoleError = Class.new(StandardError) + +# Filter out innocuous JS console messages +JS_CONSOLE_FILTER = Regexp.union([ + '"[HMR] Waiting for update signal from WDS..."', + '"[WDS] Hot Module Replacement enabled."', + "Download the Vue Devtools extension" +]) + Capybara.register_driver :chrome do |app| capabilities = Selenium::WebDriver::Remote::Capabilities.chrome( # This enables access to logs with `page.driver.manage.get_log(:browser)` @@ -78,6 +88,15 @@ RSpec.configure do |config| end config.after(:example, :js) do |example| + # when a test fails, display any messages in the browser's console + if example.exception + console = page.driver.browser.manage.logs.get(:browser).try(:reject) { |log| log.message =~ JS_CONSOLE_FILTER } + if console.present? + message = "Unexpected browser console output:\n" + console.map(&:message).join("\n") + raise JSConsoleError, message + end + end + # prevent localStorage from introducing side effects based on test order unless ['', 'about:blank', 'data:,'].include? Capybara.current_session.driver.browser.current_url execute_script("localStorage.clear();") |