98 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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module StubFeatureFlags
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  def self.included(base)
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    # Extend Feature class with methods that can stub feature flags.
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    Feature.prepend(StubbedFeature)
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  end
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  class StubFeatureGate
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    attr_reader :flipper_id
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    def initialize(flipper_id)
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      @flipper_id = flipper_id
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    end
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  end
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  # Ensure feature flags are stubbed and reset.
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  def stub_all_feature_flags
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    Feature.stub = true
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    Feature.reset_flipper
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  end
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  def unstub_all_feature_flags
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    Feature.stub = false
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    Feature.reset_flipper
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  end
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  def stub_with_new_feature_current_request
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    return unless Gitlab::SafeRequestStore.active?
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    new_request = Feature::FlipperRequest.new
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    allow(new_request).to receive(:flipper_id).and_return("FlipperRequest:#{SecureRandom.uuid}")
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    allow(Feature).to receive(:current_request).and_return(new_request)
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  end
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  # Stub Feature flags with `flag_name: true/false`
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  #
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  # @param [Hash] features where key is feature name and value is boolean whether enabled or not.
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  #               Alternatively, you can specify Hash to enable the flag on a specific thing.
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  #
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  # Examples
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  # - `stub_feature_flags(ci_live_trace: false)` ... Disable `ci_live_trace`
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  #   feature flag globally.
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  # - `stub_feature_flags(ci_live_trace: project)` ...
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  # - `stub_feature_flags(ci_live_trace: [project1, project2])` ...
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  #   Enable `ci_live_trace` feature flag only on the specified projects.
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  def stub_feature_flags(features)
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    features.each do |feature_name, actors|
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      unless Feature::Definition.get(feature_name)
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        ActiveSupport::Deprecation.warn "Invalid Feature Flag #{feature_name} stubbed"
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      end
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      # Remove feature flag overwrite
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      feature = Feature.get(feature_name) # rubocop:disable Gitlab/AvoidFeatureGet
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      feature.remove
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      Array(actors).each do |actor|
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        raise ArgumentError, "actor cannot be Hash" if actor.is_a?(Hash)
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        # Control a state of feature flag
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        if actor == true || actor.nil? || actor.respond_to?(:flipper_id)
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          feature.enable(actor)
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        elsif actor == false
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          feature.disable
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        else
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          raise ArgumentError, "#stub_feature_flags accepts only `nil`, `bool`, an object responding to `#flipper_id` or including `FeatureGate`."
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        end
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      end
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    end
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  end
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  def stub_feature_flag_gate(object)
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    return if object.nil?
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    return object if object.is_a?(FeatureGate)
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    StubFeatureGate.new(object)
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  end
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  def skip_default_enabled_yaml_check
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    allow(Feature::Definition).to receive(:default_enabled?).and_return(false)
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  end
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  def stub_feature_flag_definition(name, opts = {})
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    opts = opts.with_defaults(
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      name: name,
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      type: 'development',
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      default_enabled: false
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    )
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    Feature::Definition.new("#{opts[:type]}/#{name}.yml", opts).tap do |definition|
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      all_definitions = Feature::Definition.definitions
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      all_definitions[definition.key] = definition
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      allow(Feature::Definition).to receive(:definitions).and_return(all_definitions)
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    end
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  end
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end
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