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# frozen_string_literal: true
# Extend the Feature class with the ability to stub feature flags.
module StubbedFeature
extend ActiveSupport::Concern
class_methods do
# Turn stubbed feature flags on or off.
def stub=(stub)
@stub = stub
end
def stub?
@stub.nil? ? true : @stub
end
# Wipe any previously set feature flags.
def reset_flipper
@flipper = nil
end
# Replace #flipper method with the optional stubbed/unstubbed version.
def flipper
if stub?
@flipper ||= Flipper.new(Flipper::Adapters::Memory.new)
else
super
end
end
# Replace #enabled? method with the optional stubbed/unstubbed version.
def enabled?(*args)
feature_flag = super(*args)
return feature_flag unless stub?
# If feature flag is not persisted we mark the feature flag as enabled
# We do `m.call` as we want to validate the execution of method arguments
# and a feature flag state if it is not persisted
unless Feature.persisted_name?(args.first)
# TODO: this is hack to support `promo_feature_available?`
# We enable all feature flags by default unless they are `promo_`
# Issue: https://gitlab.com/gitlab-org/gitlab/-/issues/218667
feature_flag = true unless args.first.to_s.start_with?('promo_')
end
feature_flag
end
end
end
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