debian-mirror-gitlab/spec/workers/issues/placement_worker_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
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RSpec.describe Issues::PlacementWorker, feature_category: :team_planning do
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describe '#perform' do
let_it_be(:time) { Time.now.utc }
let_it_be(:group) { create(:group) }
let_it_be(:project) { create(:project, group: group) }
let_it_be(:author) { create(:user) }
let_it_be(:common_attrs) { { author: author, project: project } }
let_it_be(:unplaced) { common_attrs.merge(relative_position: nil) }
let_it_be_with_reload(:issue) { create(:issue, **unplaced, created_at: time) }
let_it_be_with_reload(:issue_a) { create(:issue, **unplaced, created_at: time - 1.minute) }
let_it_be_with_reload(:issue_b) { create(:issue, **unplaced, created_at: time - 2.minutes) }
let_it_be_with_reload(:issue_c) { create(:issue, **unplaced, created_at: time + 1.minute) }
let_it_be_with_reload(:issue_d) { create(:issue, **unplaced, created_at: time + 2.minutes) }
let_it_be_with_reload(:issue_e) { create(:issue, **common_attrs, relative_position: 10, created_at: time + 1.minute) }
let_it_be_with_reload(:issue_f) { create(:issue, **unplaced, created_at: time + 1.minute) }
let_it_be(:irrelevant) { create(:issue, relative_position: nil, created_at: time) }
shared_examples 'running the issue placement worker' do
let(:issue_id) { issue.id }
let(:project_id) { project.id }
it 'places all issues created at most 5 minutes before this one at the end, most recent last' do
expect { run_worker }.not_to change { irrelevant.reset.relative_position }
expect(project.issues.order_by_relative_position)
.to eq([issue_e, issue_b, issue_a, issue, issue_c, issue_f, issue_d])
expect(project.issues.where(relative_position: nil)).not_to exist
end
it 'schedules rebalancing if needed' do
issue_a.update!(relative_position: RelativePositioning::MAX_POSITION)
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expect(Issues::RebalancingWorker).to receive(:perform_async).with(nil, nil, project.group.id)
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run_worker
end
context 'there are more than QUERY_LIMIT unplaced issues' do
before_all do
# Ensure there are more than N issues in this set
n = described_class::QUERY_LIMIT
create_list(:issue, n - 5, **unplaced)
end
it 'limits the sweep to QUERY_LIMIT records, and reschedules placement' do
expect(Issue).to receive(:move_nulls_to_end)
.with(have_attributes(count: described_class::QUERY_LIMIT))
.and_call_original
expect(described_class).to receive(:perform_async).with(nil, project.id)
run_worker
expect(project.issues.where(relative_position: nil)).to exist
end
it 'is eventually correct' do
prefix = project.issues.where.not(relative_position: nil).order(:relative_position).to_a
moved = project.issues.where.not(id: prefix.map(&:id))
run_worker
expect(project.issues.where(relative_position: nil)).to exist
run_worker
expect(project.issues.where(relative_position: nil)).not_to exist
expect(project.issues.order(:relative_position)).to eq(prefix + moved.order(:created_at, :id))
end
end
context 'we are passed bad IDs' do
let(:issue_id) { non_existing_record_id }
let(:project_id) { non_existing_record_id }
def max_positions_by_project
Issue
.group(:project_id)
.pluck(:project_id, Issue.arel_table[:relative_position].maximum.as('max_relative_position'))
.to_h
end
it 'does move any issues to the end' do
expect { run_worker }.not_to change { max_positions_by_project }
end
context 'the project_id refers to an empty project' do
let!(:project_id) { create(:project).id }
it 'does move any issues to the end' do
expect { run_worker }.not_to change { max_positions_by_project }
end
end
end
it 'anticipates the failure to place the issues, and schedules rebalancing' do
allow(Issue).to receive(:move_nulls_to_end) { raise RelativePositioning::NoSpaceLeft }
expect(Issues::RebalancingWorker).to receive(:perform_async).with(nil, nil, project.group.id)
expect(Gitlab::ErrorTracking)
.to receive(:log_exception)
.with(RelativePositioning::NoSpaceLeft, worker_arguments)
run_worker
end
end
context 'passing an issue ID' do
def run_worker
described_class.new.perform(issue_id)
end
let(:worker_arguments) { { issue_id: issue_id, project_id: nil } }
it_behaves_like 'running the issue placement worker'
context 'when block_issue_repositioning is enabled' do
let(:issue_id) { issue.id }
let(:project_id) { project.id }
before do
stub_feature_flags(block_issue_repositioning: group)
end
it 'does not run repositioning tasks' do
expect { run_worker }.not_to change { issue.reset.relative_position }
end
end
end
context 'passing a project ID' do
def run_worker
described_class.new.perform(nil, project_id)
end
let(:worker_arguments) { { issue_id: nil, project_id: project_id } }
it_behaves_like 'running the issue placement worker'
end
end
it 'has the `until_executed` deduplicate strategy' do
expect(described_class.get_deduplicate_strategy).to eq(:until_executed)
expect(described_class.get_deduplication_options).to include({ including_scheduled: true })
end
end