91 lines
2.7 KiB
Ruby
91 lines
2.7 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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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_feature_flags_yaml_validation
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allow(Feature::Definition).to receive(:valid_usage!)
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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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