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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Preloaders::UserMaxAccessLevelInProjectsPreloader do
let_it_be(:user) { create(:user) }
let_it_be(:project_1) { create(:project) }
let_it_be(:project_2) { create(:project) }
let_it_be(:project_3) { create(:project) }
let(:projects) { [project_1, project_2, project_3] }
let(:query) { projects.each { |project| user.can?(:read_project, project) } }
before do
project_1.add_developer(user)
project_2.add_developer(user)
end
context 'without preloader' do
it 'runs N queries' do
expect { query }.to make_queries(projects.size)
end
end
describe '#execute', :request_store do
let(:projects_arg) { projects }
before do
Preloaders::UserMaxAccessLevelInProjectsPreloader.new(projects_arg, user).execute
end
it 'avoids N+1 queries' do
expect { query }.not_to make_queries
end
context 'when projects is an array of IDs' do
let(:projects_arg) { [project_1.id, project_2.id, project_3.id] }
it 'avoids N+1 queries' do
expect { query }.not_to make_queries
end
end
# Test for handling of SQL table name clashes.
context 'when projects is a relation including project_authorizations' do
let(:projects_arg) do
Project.where(id: ProjectAuthorization.where(project_id: projects).select(:project_id))
end
it 'avoids N+1 queries' do
expect { query }.not_to make_queries
end
end
end
end
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