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-rw-r--r--actionpack/lib/action_dispatch/system_test_case.rb1
-rw-r--r--actionpack/lib/action_dispatch/system_testing/browser.rb13
-rw-r--r--actionpack/lib/action_dispatch/system_testing/driver.rb2
3 files changed, 16 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/system_test_case.rb b/actionpack/lib/action_dispatch/system_test_case.rb
index a7fb5fa330..29864c0f8e 100644
--- a/actionpack/lib/action_dispatch/system_test_case.rb
+++ b/actionpack/lib/action_dispatch/system_test_case.rb
@@ -4,6 +4,7 @@ gem "capybara", ">= 2.15"
require "capybara/dsl"
require "capybara/minitest"
+require "selenium/webdriver"
require "action_controller"
require "action_dispatch/system_testing/driver"
require "action_dispatch/system_testing/browser"
diff --git a/actionpack/lib/action_dispatch/system_testing/browser.rb b/actionpack/lib/action_dispatch/system_testing/browser.rb
index c34907b6cb..f5f195d876 100644
--- a/actionpack/lib/action_dispatch/system_testing/browser.rb
+++ b/actionpack/lib/action_dispatch/system_testing/browser.rb
@@ -39,6 +39,19 @@ module ActionDispatch
end
end
+ # driver_path can be configured as a proc. The webdrivers gem uses this
+ # proc to update web drivers. Running this proc early allows us to only
+ # update the webdriver once and avoid race conditions when using
+ # parallel tests.
+ def preload
+ case type
+ when :chrome
+ ::Selenium::WebDriver::Chrome::Service.driver_path.try(:call)
+ when :firefox
+ ::Selenium::WebDriver::Firefox::Service.driver_path.try(:call)
+ end
+ end
+
private
def headless_chrome_browser_options
capabilities.args << "--headless"
diff --git a/actionpack/lib/action_dispatch/system_testing/driver.rb b/actionpack/lib/action_dispatch/system_testing/driver.rb
index 25a09dd918..15943a55ea 100644
--- a/actionpack/lib/action_dispatch/system_testing/driver.rb
+++ b/actionpack/lib/action_dispatch/system_testing/driver.rb
@@ -9,6 +9,8 @@ module ActionDispatch
@screen_size = options[:screen_size]
@options = options[:options]
@capabilities = capabilities
+
+ @browser.preload
end
def use