gitlab-org--gitlab-foss/spec/lib/gitlab/feature_categories_spec.rb

75 lines
2.3 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::FeatureCategories do
let(:fake_categories) { %w(foo bar) }
subject { described_class.new(fake_categories) }
describe "#valid?" do
it "returns true if category is known", :aggregate_failures do
expect(subject.valid?('foo')).to be(true)
expect(subject.valid?('zzz')).to be(false)
end
end
describe "#from_request" do
let(:request_env) { {} }
let(:verified) { true }
def fake_request(request_feature_category)
double('request', env: request_env, headers: { "HTTP_X_GITLAB_FEATURE_CATEGORY" => request_feature_category })
end
before do
allow(::Gitlab::RequestForgeryProtection).to receive(:verified?).with(request_env).and_return(verified)
end
it "returns category from request when valid, otherwise returns nil", :aggregate_failures do
expect(subject.from_request(fake_request("foo"))).to be("foo")
expect(subject.from_request(fake_request("zzz"))).to be_nil
end
context "when request is not verified" do
let(:verified) { false }
it "returns nil" do
expect(subject.from_request(fake_request("foo"))).to be_nil
end
end
end
describe "#categories" do
it "returns a set of the given categories" do
expect(subject.categories).to be_a(Set)
expect(subject.categories).to contain_exactly(*fake_categories)
end
end
describe ".load_from_yaml" do
subject { described_class.load_from_yaml }
it "creates FeatureCategories from feature_categories.yml file" do
contents = YAML.load_file(Rails.root.join('config', 'feature_categories.yml'))
expect(subject.categories).to contain_exactly(*contents)
end
end
describe ".default" do
it "returns a memoization of load_from_yaml", :aggregate_failures do
# FeatureCategories.default could have been referenced in another spec, so we need to clean it up here
described_class.instance_variable_set(:@default, nil)
expect(described_class).to receive(:load_from_yaml).once.and_call_original
2.times { described_class.default }
# Uses reference equality to verify memoization
expect(described_class.default).to equal(described_class.default)
expect(described_class.default).to be_a(described_class)
end
end
end