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require 'spec_helper'
require Rails.root.join('db', 'post_migrate', '20180604123514_cleanup_stages_position_migration.rb')
describe CleanupStagesPositionMigration, :migration, :sidekiq, :redis do
let(:migration) { spy('migration') }
before do
allow(Gitlab::BackgroundMigration::MigrateStageIndex)
.to receive(:new).and_return(migration)
end
context 'when there are pending background migrations' do
it 'processes pending jobs synchronously' do
Sidekiq::Testing.disable! do
BackgroundMigrationWorker
.perform_in(2.minutes, 'MigrateStageIndex', [1, 1])
BackgroundMigrationWorker
.perform_async('MigrateStageIndex', [1, 1])
migrate!
expect(migration).to have_received(:perform).with(1, 1).twice
end
end
end
context 'when there are no background migrations pending' do
it 'does nothing' do
Sidekiq::Testing.disable! do
migrate!
expect(migration).not_to have_received(:perform)
end
end
end
context 'when there are still unmigrated stages present' do
let(:stages) { table('ci_stages') }
let(:builds) { table('ci_builds') }
let!(:entities) do
%w[build test broken].map do |name|
stages.create(name: name)
end
end
before do
stages.update_all(position: nil)
builds.create(name: 'unit', stage_id: entities.first.id, stage_idx: 1, ref: 'master')
builds.create(name: 'unit', stage_id: entities.second.id, stage_idx: 1, ref: 'master')
end
it 'migrates stages sequentially for every stage' do
expect(stages.all).to all(have_attributes(position: nil))
migrate!
expect(migration).to have_received(:perform)
.with(entities.first.id, entities.first.id)
expect(migration).to have_received(:perform)
.with(entities.second.id, entities.second.id)
expect(migration).not_to have_received(:perform)
.with(entities.third.id, entities.third.id)
end
end
end
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