debian-mirror-gitlab/spec/support/rspec_order.rb

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2022-10-11 01:57:18 +05:30
# frozen_string_literal: true
module Support
module RspecOrder
TODO_YAML = File.join(__dir__, 'rspec_order_todo.yml')
module_function
def order_for(example_group)
order_from_env || random_order(example_group)
end
def order_from_env
return @order_from_env if defined?(@order_from_env)
# Passing custom defined order via `--order NAME` is not supported.
# For example, `--order reverse` does not work so we are passing it via
# environment variable RSPEC_ORDER.
@order_from_env = ENV['RSPEC_ORDER']
end
def random_order(example_group)
path = example_group.metadata.fetch(:file_path)
:random unless potential_order_dependent?(path)
end
def potential_order_dependent?(path)
@todo ||= YAML.load_file(TODO_YAML).to_set # rubocop:disable Gitlab/PredicateMemoization
@todo.include?(path)
end
# Adds '# order <ORDER>` below the example group description if the order
# has been set to help debugging in case of failure.
#
# Previously, we've modified metadata[:description] directly but that led
# to bugs. See https://gitlab.com/gitlab-org/gitlab/-/merge_requests/96137
module DocumentationFormatterPatch
# See https://github.com/rspec/rspec-core/blob/v3.11.0/lib/rspec/core/formatters/documentation_formatter.rb#L24-L29
def example_group_started(notification)
super
order = notification.group.metadata[:order]
return unless order
output.puts "#{current_indentation}# order #{order}"
end
end
end
end
RSpec::Core::Formatters::DocumentationFormatter.prepend Support::RspecOrder::DocumentationFormatterPatch
RSpec.configure do |config|
# Useful to find order-dependent specs.
config.register_ordering(:reverse, &:reverse)
# Randomization can be reproduced across test runs.
Kernel.srand config.seed
config.on_example_group_definition do |example_group|
order = Support::RspecOrder.order_for(example_group)
example_group.metadata[:order] = order.to_sym if order
end
end