spec/lib/gitlab/etag_caching/router/graphql_spec.rb


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# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Gitlab::EtagCaching::Router::Graphql do
  it 'matches pipelines endpoint' do
    result = match_route('/api/graphql', 'pipelines/id/1')

    expect(result).to be_present
    expect(result.name).to eq 'pipelines_graph'
  end

  it 'has a valid feature category for every route', :aggregate_failures do
    feature_categories = Gitlab::FeatureCategories.default.categories

    described_class::ROUTES.each do |route|
      expect(feature_categories).to include(route.feature_category), "#{route.name} has a category of #{route.feature_category}, which is not valid"
    end
  end

  def match_route(path, header)
    described_class.match(
      double(path_info: path,
             headers: { 'X-GITLAB-GRAPHQL-RESOURCE-ETAG' => header }))
  end

  describe '.cache_key' do
    let(:path) { '/api/graphql' }
    let(:header_value) { 'pipelines/id/1' }
    let(:headers) do
      { 'X-GITLAB-GRAPHQL-RESOURCE-ETAG' => header_value }.compact
    end

    subject do
      described_class.cache_key(double(path: path, headers: headers))
    end

    it 'uses request path and headers as cache key' do
      is_expected.to eq '/api/graphql:pipelines/id/1'
    end

    context 'when the header is missing' do
      let(:header_value) {}

      it 'does not raise errors' do
        is_expected.to eq '/api/graphql'
      end
    end
  end
end