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# frozen_string_literal: true
require 'rspec/core'
require 'rspec/expectations'
require 'capybara/rspec'
require 'capybara-screenshot/rspec'
require 'selenium-webdriver'
module QA
module Runtime
class Browser
include QA::Scenario::Actable
NotRespondingError = Class.new(RuntimeError)
CAPYBARA_MAX_WAIT_TIME = 10
def initialize
self.class.configure!
end
def self.blank_page?
['', 'about:blank', 'data:,'].include?(Capybara.current_session.driver.browser.current_url)
rescue
true
end
##
# Visit a page that belongs to a GitLab instance under given address.
#
# Example:
#
# visit(:gitlab, Page::Main::Login)
# visit('http://gitlab.example/users/sign_in')
#
# In case of an address that is a symbol we will try to guess address
# based on `Runtime::Scenario#something_address`.
#
def visit(address, page_class, &block)
Browser::Session.new(address, page_class).perform(&block)
end
def self.visit(address, page_class, &block)
new.visit(address, page_class, &block)
end
# rubocop: disable Metrics/AbcSize
def self.configure!
RSpec.configure do |config|
config.define_derived_metadata(file_path: %r{/qa/specs/features/}) do |metadata|
metadata[:type] = :feature
end
config.append_after(:each) do |example|
if example.metadata[:screenshot]
screenshot = example.metadata[:screenshot][:image] || example.metadata[:screenshot][:html]
example.metadata[:stdout] = %{[[ATTACHMENT|#{screenshot}]]}
end
end
end
Capybara.server_port = 9887 + ENV['TEST_ENV_NUMBER'].to_i
return if Capybara.drivers.include?(:chrome)
Capybara.register_driver QA::Runtime::Env.browser do |app|
capabilities = Selenium::WebDriver::Remote::Capabilities.send(QA::Runtime::Env.browser,
# This enables access to logs with `page.driver.manage.get_log(:browser)`
loggingPrefs: {
browser: "ALL",
client: "ALL",
driver: "ALL",
server: "ALL"
})
if QA::Runtime::Env.accept_insecure_certs?
capabilities['acceptInsecureCerts'] = true
end
# QA::Runtime::Env.browser.capitalize will work for every driver type except PhantomJS.
# We will have no use to use PhantomJS so this shouldn't be a problem.
options = Selenium::WebDriver.const_get(QA::Runtime::Env.browser.capitalize, false)::Options.new
if QA::Runtime::Env.browser == :chrome
options.add_argument("window-size=1480,2200")
# Chrome won't work properly in a Docker container in sandbox mode
options.add_argument("no-sandbox")
# Run headless by default unless CHROME_HEADLESS is false
if QA::Runtime::Env.chrome_headless?
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/issues/4252
options.add_argument("disable-dev-shm-usage") if QA::Runtime::Env.running_in_ci?
end
# Use the same profile on QA runs if CHROME_REUSE_PROFILE is true.
# Useful to speed up local QA.
if QA::Runtime::Env.reuse_chrome_profile?
qa_profile_dir = ::File.expand_path('../../tmp/qa-profile', __dir__)
options.add_argument("user-data-dir=#{qa_profile_dir}")
end
selenium_options = {
browser: QA::Runtime::Env.browser,
clear_local_storage: true,
desired_capabilities: capabilities,
options: options
}
selenium_options[:url] = QA::Runtime::Env.remote_grid if QA::Runtime::Env.remote_grid
Capybara::Selenium::Driver.new(
app,
selenium_options
)
end
# Keep only the screenshots generated from the last failing test suite
Capybara::Screenshot.prune_strategy = :keep_last_run
# From https://github.com/mattheworiordan/capybara-screenshot/issues/84#issuecomment-41219326
Capybara::Screenshot.register_driver(QA::Runtime::Env.browser) do |driver, path|
driver.browser.save_screenshot(path)
end
Capybara::Screenshot.append_timestamp = false
Capybara::Screenshot.register_filename_prefix_formatter(:rspec) do |example|
::File.join(QA::Runtime::Namespace.name, example.full_description.downcase.parameterize(separator: "_")[0..99])
end
Capybara.configure do |config|
config.default_driver = QA::Runtime::Env.browser
config.javascript_driver = QA::Runtime::Env.browser
config.default_max_wait_time = CAPYBARA_MAX_WAIT_TIME
# https://github.com/mattheworiordan/capybara-screenshot/issues/164
config.save_path = ::File.expand_path('../../tmp', __dir__)
# Cabybara 3 does not normalize text by default, so older tests
# fail because of unexpected line breaks and other white space
config.default_normalize_ws = true
end
end
# rubocop: enable Metrics/AbcSize
class Session
include Capybara::DSL
attr_reader :page_class
def initialize(instance, page_class)
@session_address = Runtime::Address.new(instance, page_class)
@page_class = page_class
end
def url
@session_address.address
end
def perform(&block)
visit(url)
simulate_slow_connection if Runtime::Env.simulate_slow_connection?
page_class.validate_elements_present!
if QA::Runtime::Env.qa_cookies
browser = Capybara.current_session.driver.browser
QA::Runtime::Env.qa_cookies.each do |cookie|
name, value = cookie.split("=")
value ||= ""
browser.manage.add_cookie name: name, value: value
end
end
yield.tap { clear! } if block_given?
end
##
# Selenium allows to reset session cookies for current domain only.
#
# See gitlab-org/gitlab-qa#102
#
def clear!
visit(url)
reset_session!
@network_conditions_configured = false
end
private
def simulate_slow_connection
return if @network_conditions_configured
QA::Runtime::Logger.info(
<<~MSG.tr("\n", " ")
Simulating a slow connection with additional latency
of #{Runtime::Env.slow_connection_latency} ms and a maximum
throughput of #{Runtime::Env.slow_connection_throughput} kbps
MSG
)
Capybara.current_session.driver.browser.network_conditions = {
latency: Runtime::Env.slow_connection_latency,
throughput: Runtime::Env.slow_connection_throughput * 1000
}
@network_conditions_configured = true
end
end
end
end
end
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