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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Analytics::CycleAnalytics::Aggregated::RecordsFetcher do
let_it_be(:project) { create(:project) }
let_it_be(:issue_1) { create(:issue, project: project) }
let_it_be(:issue_2) { create(:issue, project: project) }
let_it_be(:issue_3) { create(:issue, project: project) }
let_it_be(:stage_event_1) { create(:cycle_analytics_issue_stage_event, issue_id: issue_1.id, start_event_timestamp: 2.years.ago, end_event_timestamp: 1.year.ago) } # duration: 1 year
let_it_be(:stage_event_2) { create(:cycle_analytics_issue_stage_event, issue_id: issue_2.id, start_event_timestamp: 5.years.ago, end_event_timestamp: 2.years.ago) } # duration: 3 years
let_it_be(:stage_event_3) { create(:cycle_analytics_issue_stage_event, issue_id: issue_3.id, start_event_timestamp: 6.years.ago, end_event_timestamp: 3.months.ago) } # duration: 5+ years
let_it_be(:stage) { create(:cycle_analytics_project_stage, start_event_identifier: :issue_created, end_event_identifier: :issue_deployed_to_production, project: project) }
let(:params) { {} }
subject(:records_fetcher) do
described_class.new(stage: stage, query: Analytics::CycleAnalytics::IssueStageEvent.all, params: params)
end
shared_examples 'match returned records' do
it 'returns issues in the correct order' do
returned_iids = records_fetcher.serialized_records.pluck(:iid).map(&:to_i)
expect(returned_iids).to eq(expected_issue_ids)
end
end
describe '#serialized_records' do
describe 'sorting' do
context 'when sorting by end event DESC' do
let(:expected_issue_ids) { [issue_3.iid, issue_1.iid, issue_2.iid] }
before do
params[:sort] = :end_event
params[:direction] = :desc
end
it_behaves_like 'match returned records'
end
context 'when sorting by end event ASC' do
let(:expected_issue_ids) { [issue_2.iid, issue_1.iid, issue_3.iid] }
before do
params[:sort] = :end_event
params[:direction] = :asc
end
it_behaves_like 'match returned records'
end
context 'when sorting by duration DESC' do
let(:expected_issue_ids) { [issue_3.iid, issue_2.iid, issue_1.iid] }
before do
params[:sort] = :duration
params[:direction] = :desc
end
it_behaves_like 'match returned records'
end
context 'when sorting by duration ASC' do
let(:expected_issue_ids) { [issue_1.iid, issue_2.iid, issue_3.iid] }
before do
params[:sort] = :duration
params[:direction] = :asc
end
it_behaves_like 'match returned records'
end
end
describe 'pagination' do
let(:expected_issue_ids) { [issue_3.iid] }
before do
params[:sort] = :duration
params[:direction] = :asc
params[:page] = 2
stub_const('Gitlab::Analytics::CycleAnalytics::Aggregated::RecordsFetcher::MAX_RECORDS', 2)
end
it_behaves_like 'match returned records'
end
context 'when passing a block to serialized_records method' do
before do
params[:sort] = :duration
params[:direction] = :asc
end
it 'yields the underlying stage event scope' do
stage_event_records = []
records_fetcher.serialized_records do |scope|
stage_event_records.concat(scope.to_a)
end
expect(stage_event_records.map(&:issue_id)).to eq([issue_1.id, issue_2.id, issue_3.id])
end
end
context 'when the issue record no longer exists' do
it 'skips non-existing issue records' do
create(:cycle_analytics_issue_stage_event, {
issue_id: 0, # non-existing id
start_event_timestamp: 5.months.ago,
end_event_timestamp: 3.months.ago
})
stage_event_count = nil
records_fetcher.serialized_records do |scope|
stage_event_count = scope.to_a.size
end
issue_count = records_fetcher.serialized_records.to_a.size
expect(stage_event_count).to eq(4)
expect(issue_count).to eq(3)
end
end
end
end
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