81 lines
2.5 KiB
Ruby
81 lines
2.5 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Experiment::Rollout::Feature, :experiment do
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subject { described_class.new.for(subject_experiment) }
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let(:subject_experiment) { experiment('namespaced/stub') }
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describe "#enabled?" do
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before do
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stub_feature_flags(gitlab_experiment: true)
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allow(subject).to receive(:feature_flag_defined?).and_return(true)
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allow(Gitlab).to receive(:com?).and_return(true)
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allow(subject).to receive(:feature_flag_instance).and_return(double(state: :on))
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end
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it "is enabled when all criteria are met" do
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expect(subject).to be_enabled
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end
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it "isn't enabled if the feature definition doesn't exist" do
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expect(subject).to receive(:feature_flag_defined?).and_return(false)
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expect(subject).not_to be_enabled
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end
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it "isn't enabled if we're not in dev or dotcom environments" do
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expect(Gitlab).to receive(:com?).and_return(false)
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expect(subject).not_to be_enabled
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end
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it "isn't enabled if the feature flag state is :off" do
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expect(subject).to receive(:feature_flag_instance).and_return(double(state: :off))
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expect(subject).not_to be_enabled
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end
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it "isn't enabled if the gitlab_experiment feature flag is false" do
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stub_feature_flags(gitlab_experiment: false)
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expect(subject).not_to be_enabled
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end
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end
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describe "#execute_assignment" do
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before do
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allow(Feature).to receive(:enabled?).with('namespaced_stub', any_args).and_return(true)
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end
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it "uses the default value as specified in the yaml" do
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expect(Feature).to receive(:enabled?).with(
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'namespaced_stub',
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subject,
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type: :experiment
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).and_return(false)
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expect(subject.execute_assignment).to be_nil
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end
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it "returns an assigned name" do
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allow(subject).to receive(:behavior_names).and_return([:variant1, :variant2])
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expect(subject.execute_assignment).to eq(:variant2)
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end
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end
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describe "#flipper_id" do
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it "returns the expected flipper id if the experiment doesn't provide one" do
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subject.instance_variable_set(:@experiment, double(id: '__id__'))
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expect(subject.flipper_id).to eq('Experiment;__id__')
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end
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it "lets the experiment provide a flipper id so it can override the default" do
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allow(subject_experiment).to receive(:flipper_id).and_return('_my_overridden_id_')
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expect(subject.flipper_id).to eq('_my_overridden_id_')
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end
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end
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end
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