Commit ef3fb77f authored by Stan Hu's avatar Stan Hu

Merge branch 'fix-rspec-console-output' into 'master'

Display relevant browser console output when an RSpec test fails.

See merge request gitlab-org/gitlab-ce!18355
parents 160f1fd2 9cf9cc8e
...@@ -21,13 +21,7 @@ Capybara.register_driver :chrome do |app| ...@@ -21,13 +21,7 @@ Capybara.register_driver :chrome do |app|
options.add_argument("no-sandbox") options.add_argument("no-sandbox")
# Run headless by default unless CHROME_HEADLESS specified # Run headless by default unless CHROME_HEADLESS specified
unless ENV['CHROME_HEADLESS'] =~ /^(false|no|0)$/i options.add_argument("headless") unless ENV['CHROME_HEADLESS'] =~ /^(false|no|0)$/i
options.add_argument("headless")
# Chrome documentation says this flag is needed for now
# https://developers.google.com/web/updates/2017/04/headless-chrome#cli
options.add_argument("disable-gpu")
end
# Disable /dev/shm use in CI. See https://gitlab.com/gitlab-org/gitlab-ee/issues/4252 # Disable /dev/shm use in CI. See https://gitlab.com/gitlab-org/gitlab-ee/issues/4252
options.add_argument("disable-dev-shm-usage") if ENV['CI'] || ENV['CI_SERVER'] options.add_argument("disable-dev-shm-usage") if ENV['CI'] || ENV['CI_SERVER']
......
...@@ -7,6 +7,16 @@ require 'selenium-webdriver' ...@@ -7,6 +7,16 @@ require 'selenium-webdriver'
# Give CI some extra time # Give CI some extra time
timeout = (ENV['CI'] || ENV['CI_SERVER']) ? 60 : 30 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| Capybara.register_driver :chrome do |app|
capabilities = Selenium::WebDriver::Remote::Capabilities.chrome( capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
# This enables access to logs with `page.driver.manage.get_log(:browser)` # This enables access to logs with `page.driver.manage.get_log(:browser)`
...@@ -25,13 +35,7 @@ Capybara.register_driver :chrome do |app| ...@@ -25,13 +35,7 @@ Capybara.register_driver :chrome do |app|
options.add_argument("no-sandbox") options.add_argument("no-sandbox")
# Run headless by default unless CHROME_HEADLESS specified # Run headless by default unless CHROME_HEADLESS specified
unless ENV['CHROME_HEADLESS'] =~ /^(false|no|0)$/i options.add_argument("headless") unless ENV['CHROME_HEADLESS'] =~ /^(false|no|0)$/i
options.add_argument("headless")
# Chrome documentation says this flag is needed for now
# https://developers.google.com/web/updates/2017/04/headless-chrome#cli
options.add_argument("disable-gpu")
end
# Disable /dev/shm use in CI. See https://gitlab.com/gitlab-org/gitlab-ee/issues/4252 # Disable /dev/shm use in CI. See https://gitlab.com/gitlab-org/gitlab-ee/issues/4252
options.add_argument("disable-dev-shm-usage") if ENV['CI'] || ENV['CI_SERVER'] options.add_argument("disable-dev-shm-usage") if ENV['CI'] || ENV['CI_SERVER']
...@@ -78,6 +82,15 @@ RSpec.configure do |config| ...@@ -78,6 +82,15 @@ RSpec.configure do |config|
end end
config.after(:example, :js) do |example| 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)&.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 # prevent localStorage from introducing side effects based on test order
unless ['', 'about:blank', 'data:,'].include? Capybara.current_session.driver.browser.current_url unless ['', 'about:blank', 'data:,'].include? Capybara.current_session.driver.browser.current_url
execute_script("localStorage.clear();") execute_script("localStorage.clear();")
......
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