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# frozen_string_literal: true
# shared examples for testing rate limited functionality of a service
#
# following resources are expected to be set (example):
# it_behaves_like 'rate limited service' do
# let(:key) { :issues_create }
# let(:key_scope) { %i[project current_user external_author] }
# let(:application_limit_key) { :issues_create_limit }
# let(:service) { described_class.new(project: project, current_user: user, params: { title: 'title' }) }
# let(:created_model) { Issue }
# end
RSpec.shared_examples 'rate limited service' do
describe '.rate_limiter_scoped_and_keyed' do
it 'is set via the rate_limit call' do
expect(described_class.rate_limiter_scoped_and_keyed).to be_a(RateLimitedService::RateLimiterScopedAndKeyed)
expect(described_class.rate_limiter_scoped_and_keyed.key).to eq(key)
expect(described_class.rate_limiter_scoped_and_keyed.opts[:scope]).to eq(key_scope)
expect(described_class.rate_limiter_scoped_and_keyed.rate_limiter).to eq(Gitlab::ApplicationRateLimiter)
end
end
describe '#rate_limiter_bypassed' do
it 'is nil by default' do
expect(service.rate_limiter_bypassed).to be_nil
end
end
describe '#execute' do
context 'when rate limiting is in effect', :freeze_time, :clean_gitlab_redis_rate_limiting do
let(:user) { create(:user) }
before do
stub_application_setting(application_limit_key => 1)
end
subject do
2.times { service.execute }
end
context 'when too many requests are sent by one user' do
it 'raises an error' do
expect do
subject
end.to raise_error(RateLimitedService::RateLimitedError)
end
it 'creates 1 issue' do
expect do
subject
rescue RateLimitedService::RateLimitedError
end.to change { created_model.count }.by(1)
end
end
context 'when limit is higher than count of issues being created' do
before do
stub_application_setting(issues_create_limit: 2)
end
it 'creates 2 issues' do
expect { subject }.to change { created_model.count }.by(2)
end
end
end
end
end
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