gitlab-ce/spec/lib/gitlab/event_store/subscription_spec.rb

143 lines
4.1 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::EventStore::Subscription, feature_category: :shared do
let(:worker) do
stub_const('EventSubscriber', Class.new).tap do |klass|
klass.class_eval do
include Gitlab::EventStore::Subscriber
def handle_event(event)
event.data
end
end
end
end
let(:event_klass) { stub_const('TestEvent', Class.new(Gitlab::EventStore::Event)) }
let(:event) { event_klass.new(data: data) }
let(:delay) { nil }
let(:condition) { nil }
let(:group_size) { nil }
subject(:subscription) { described_class.new(worker, condition, delay, group_size) }
before do
event_klass.class_eval do
def schema
{
'required' => %w[name id],
'type' => 'object',
'properties' => {
'name' => { 'type' => 'string' },
'id' => { 'type' => 'integer' }
}
}
end
end
end
describe '#consume_events' do
let(:event1) { event_klass.new(data: { name: 'Bob', id: 123 }) }
let(:event2) { event_klass.new(data: { name: 'Alice', id: 456 }) }
let(:event3) { event_klass.new(data: { name: 'Eva', id: 789 }) }
let(:group_size) { 3 }
let(:events) { [event1, event2, event3] }
let(:serialized_data) { events.map(&:data).map(&:deep_stringify_keys) }
subject(:consume_events) { subscription.consume_events(events) }
context 'with invalid events' do
let(:events) { [event1, invalid_event] }
context 'when event is invalid' do
let(:invalid_event) { stub_const('TestEvent', Class.new { attr_reader :data }).new }
it 'raises InvalidEvent error' do
expect { consume_events }.to raise_error(Gitlab::EventStore::InvalidEvent)
end
end
context 'when one of the events is a different event' do
let(:invalid_event_klass) { stub_const('DifferentEvent', Class.new(Gitlab::EventStore::Event)) }
let(:invalid_event) { invalid_event_klass.new(data: {}) }
before do
invalid_event_klass.class_eval do
def schema
{
'type' => 'object',
'properties' => {}
}
end
end
end
it 'raises InvalidEvent error' do
expect { consume_events }.to raise_error(Gitlab::EventStore::InvalidEvent)
end
end
end
context 'when grouped events size is more than batch scheduling size' do
let(:group_size) { 2 }
before do
stub_const("#{described_class}::SCHEDULING_BATCH_SIZE", 1)
end
it 'dispatches the events to the worker with batch parameters' do
expect(worker).to receive(:bulk_perform_in).with(
1.second,
[['TestEvent', serialized_data.take(2)], ['TestEvent', serialized_data.drop(2)]],
batch_size: 1,
batch_delay: 10.seconds
)
consume_events
end
context 'with delayed dispatching of event' do
let(:delay) { 1.minute }
it 'dispatches the events to the worker with batch parameters and delay' do
expect(worker).to receive(:bulk_perform_in).with(
1.minute,
[['TestEvent', serialized_data.take(2)], ['TestEvent', serialized_data.drop(2)]],
batch_size: 1,
batch_delay: 10.seconds
)
consume_events
end
end
end
context 'when subscription has grouped dispatching of events' do
let(:group_size) { 2 }
it 'dispatches the events to the worker in group' do
expect(worker).to receive(:bulk_perform_async).once.with([
['TestEvent', serialized_data.take(2)],
['TestEvent', serialized_data.drop(2)]
])
consume_events
end
end
context 'when subscription has delayed dispatching of event' do
let(:delay) { 1.minute }
it 'dispatches the events to the worker after some time' do
expect(worker).to receive(:bulk_perform_in).with(1.minute, [['TestEvent', serialized_data]])
consume_events
end
end
end
end