125 lines
4.3 KiB
Ruby
125 lines
4.3 KiB
Ruby
# frozen_string_literal: true
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# rubocop:disable Style/GlobalVars
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require 'capybara/rails'
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require 'capybara/rspec'
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require 'capybara-screenshot/rspec'
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require 'selenium-webdriver'
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# Give CI some extra time
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timeout = (ENV['CI'] || ENV['CI_SERVER']) ? 60 : 30
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# Define an error class for JS console messages
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JSConsoleError = Class.new(StandardError)
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# Filter out innocuous JS console messages
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JS_CONSOLE_FILTER = Regexp.union([
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'"[HMR] Waiting for update signal from WDS..."',
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'"[WDS] Hot Module Replacement enabled."',
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"Download the Vue Devtools extension"
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])
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CAPYBARA_WINDOW_SIZE = [1366, 768].freeze
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Capybara.register_driver :chrome do |app|
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capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
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# This enables access to logs with `page.driver.manage.get_log(:browser)`
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loggingPrefs: {
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browser: "ALL",
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client: "ALL",
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driver: "ALL",
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server: "ALL"
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}
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)
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options = Selenium::WebDriver::Chrome::Options.new
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options.add_argument("window-size=#{CAPYBARA_WINDOW_SIZE.join(',')}")
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# Chrome won't work properly in a Docker container in sandbox mode
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options.add_argument("no-sandbox")
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# Run headless by default unless CHROME_HEADLESS specified
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options.add_argument("headless") unless ENV['CHROME_HEADLESS'] =~ /^(false|no|0)$/i
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# Disable /dev/shm use in CI. See https://gitlab.com/gitlab-org/gitlab/issues/4252
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options.add_argument("disable-dev-shm-usage") if ENV['CI'] || ENV['CI_SERVER']
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# Explicitly set user-data-dir to prevent crashes. See https://gitlab.com/gitlab-org/gitlab-foss/issues/58882#note_179811508
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options.add_argument("user-data-dir=/tmp/chrome") if ENV['CI'] || ENV['CI_SERVER']
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# Chrome 75 defaults to W3C mode which doesn't allow console log access
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options.add_option(:w3c, false)
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Capybara::Selenium::Driver.new(
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app,
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browser: :chrome,
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desired_capabilities: capabilities,
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options: options
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)
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end
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Capybara.server = :webrick
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Capybara.javascript_driver = :chrome
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Capybara.default_max_wait_time = timeout
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Capybara.ignore_hidden_elements = true
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Capybara.default_normalize_ws = true
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Capybara.enable_aria_label = true
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# Keep only the screenshots generated from the last failing test suite
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Capybara::Screenshot.prune_strategy = :keep_last_run
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# From https://github.com/mattheworiordan/capybara-screenshot/issues/84#issuecomment-41219326
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Capybara::Screenshot.register_driver(:chrome) do |driver, path|
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driver.browser.save_screenshot(path)
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end
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RSpec.configure do |config|
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config.include CapybaraHelpers, type: :feature
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config.before(:context, :js) do
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next if $capybara_server_already_started
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TestEnv.eager_load_driver_server
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$capybara_server_already_started = true
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end
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config.before(:example, :js) do
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session = Capybara.current_session
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allow(Gitlab::Application.routes).to receive(:default_url_options).and_return(
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host: session.server.host,
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port: session.server.port,
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protocol: 'http')
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# reset window size between tests
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unless session.current_window.size == CAPYBARA_WINDOW_SIZE
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begin
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session.current_window.resize_to(*CAPYBARA_WINDOW_SIZE)
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rescue # ?
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end
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end
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end
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config.after(:example, :js) do |example|
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# when a test fails, display any messages in the browser's console
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if example.exception
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console = page.driver.browser.manage.logs.get(:browser)&.reject { |log| log.message =~ JS_CONSOLE_FILTER }
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if console.present?
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message = "Unexpected browser console output:\n" + console.map(&:message).join("\n")
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raise JSConsoleError, message
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end
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end
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# prevent localStorage from introducing side effects based on test order
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unless ['', 'about:blank', 'data:,'].include? Capybara.current_session.driver.browser.current_url
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execute_script("localStorage.clear();")
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end
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# capybara/rspec already calls Capybara.reset_sessions! in an `after` hook,
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# but `block_and_wait_for_requests_complete` is called before it so by
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# calling it explicitly here, we prevent any new requests from being fired
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# See https://github.com/teamcapybara/capybara/blob/ffb41cfad620de1961bb49b1562a9fa9b28c0903/lib/capybara/rspec.rb#L20-L25
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# We don't reset the session when the example failed, because we need capybara-screenshot to have access to it.
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Capybara.reset_sessions! unless example.exception
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block_and_wait_for_requests_complete
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end
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end
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