52 lines
1.5 KiB
Ruby
52 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Preloaders::UsersMaxAccessLevelInProjectsPreloader do
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let_it_be(:user1) { create(:user) }
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let_it_be(:user2) { create(:user) }
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let_it_be(:project_1) { create(:project) }
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let_it_be(:project_2) { create(:project) }
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let_it_be(:project_3) { create(:project) }
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let(:projects) { [project_1, project_2, project_3] }
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let(:users) { [user1, user2] }
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before do
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project_1.add_developer(user1)
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project_1.add_developer(user2)
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project_2.add_developer(user1)
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project_2.add_developer(user2)
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project_3.add_developer(user1)
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project_3.add_developer(user2)
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end
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context 'preload maximum access level to avoid querying project_authorizations', :request_store do
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it 'avoids N+1 queries', :request_store do
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Preloaders::UsersMaxAccessLevelInProjectsPreloader.new(projects: projects, users: users).execute
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expect(count_queries).to eq(0)
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end
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it 'runs N queries without preloading' do
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query_count_without_preload = count_queries
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Preloaders::UsersMaxAccessLevelInProjectsPreloader.new(projects: projects, users: users).execute
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count_queries_with_preload = count_queries
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expect(count_queries_with_preload).to be < query_count_without_preload
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end
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end
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def count_queries
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ActiveRecord::QueryRecorder.new do
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projects.each do |project|
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user1.can?(:read_project, project)
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user2.can?(:read_project, project)
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end
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end.count
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end
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end
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