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|
module RSpec
module Rails
# @api public
# Container class for system tests
module SystemExampleGroup
extend ActiveSupport::Concern
include RSpec::Rails::RailsExampleGroup
include RSpec::Rails::Matchers::RedirectTo
include RSpec::Rails::Matchers::RenderTemplate
include ActionDispatch::Integration::Runner
include ActionDispatch::Assertions
include ActionController::TemplateAssertions
# Special characters to translate into underscores for #method_name
CHARS_TO_TRANSLATE = ['/', '.', ':', ',', "'", '"', " "].freeze
# @private
module BlowAwayTeardownHooks
# @private
def before_teardown
end
# @private
def after_teardown
end
end
# for the SystemTesting Screenshot situation
def passed?
return false if RSpec.current_example.exception
return true unless defined?(::RSpec::Expectations::FailureAggregator)
failure_notifier = ::RSpec::Support.failure_notifier
return true unless failure_notifier.is_a?(::RSpec::Expectations::FailureAggregator)
failure_notifier.failures.empty? && failure_notifier.other_errors.empty?
end
# @private
def method_name
@method_name ||= [
self.class.name.underscore,
RSpec.current_example.description.underscore
].join("_").tr(CHARS_TO_TRANSLATE.join, "_").byteslice(0...200).scrub("") + "_#{rand(1000)}"
end
# @private
# Allows failure screenshot to work whilst not exposing metadata
class SuppressRailsScreenshotMetadata
def initialize
@example_data = {}
end
def [](key)
if @example_data.key?(key)
@example_data[key]
else
raise_wrong_scope_error
end
end
def []=(key, value)
if key == :failure_screenshot_path
@example_data[key] = value
else
raise_wrong_scope_error
end
end
def method_missing(_name, *_args, &_block)
raise_wrong_scope_error
end
private
def raise_wrong_scope_error
raise RSpec::Core::ExampleGroup::WrongScopeError,
"`metadata` is not available from within an example " \
"(e.g. an `it` block) or from constructs that run in the " \
"scope of an example (e.g. `before`, `let`, etc). It is " \
"only available on an example group (e.g. a `describe` or "\
"`context` block)"
end
end
# @private
def metadata
@metadata ||= SuppressRailsScreenshotMetadata.new
end
# Delegates to `Rails.application`.
def app
::Rails.application
end
# Default driver to assign if none specified.
DEFAULT_DRIVER = :selenium_chrome_headless
included do |other|
ActiveSupport.on_load(:action_dispatch_system_test_case) do
ActionDispatch::SystemTesting::Server.silence_puma = true
end
require 'action_dispatch/system_test_case'
begin
require 'capybara'
rescue LoadError => e
abort """
LoadError: #{e.message}
System test integration has a hard
dependency on a webserver and `capybara`, please add capybara to
your Gemfile and configure a webserver (e.g. `Capybara.server =
:puma`) before attempting to use system specs.
""".gsub(/\s+/, ' ').strip
end
original_before_teardown =
::ActionDispatch::SystemTesting::TestHelpers::SetupAndTeardown.instance_method(:before_teardown)
original_after_teardown =
::ActionDispatch::SystemTesting::TestHelpers::SetupAndTeardown.instance_method(:after_teardown)
other.include ::ActionDispatch::SystemTesting::TestHelpers::SetupAndTeardown
other.include ::ActionDispatch::SystemTesting::TestHelpers::ScreenshotHelper
other.include BlowAwayTeardownHooks
attr_reader :driver
if ActionDispatch::SystemTesting::Server.respond_to?(:silence_puma=)
ActionDispatch::SystemTesting::Server.silence_puma = true
end
def initialize(*args, &blk)
super(*args, &blk)
@driver = nil
self.class.before do
# A user may have already set the driver, so only default if driver
# is not set
driven_by(DEFAULT_DRIVER) unless @driver
end
end
def driven_by(driver, **driver_options, &blk)
@driver = ::ActionDispatch::SystemTestCase.driven_by(driver, **driver_options, &blk).tap(&:use)
end
def served_by(**options)
::ActionDispatch::SystemTestCase.served_by(**options)
end
before do
@routes = ::Rails.application.routes
end
after do
orig_stdout = $stdout
$stdout = StringIO.new
begin
original_before_teardown.bind(self).call
ensure
myio = $stdout
myio.rewind
RSpec.current_example.metadata[:extra_failure_lines] = myio.readlines
$stdout = orig_stdout
end
end
around do |example|
example.run
original_after_teardown.bind(self).call
end
end
end
end
end
|
