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# frozen_string_literal: true
require 'spec_helper'
require Rails.root.join('db', 'migrate', '20200116051619_drop_background_migration_jobs.rb')
describe DropBackgroundMigrationJobs, :sidekiq, :redis, schema: 2020_01_16_051619 do
subject(:migration) { described_class.new }
describe '#up' do
context 'there are only affected jobs on the queue' do
it 'removes enqueued ActivatePrometheusServicesForSharedClusterApplications background jobs' do
Sidekiq::Testing.disable! do # https://github.com/mperham/sidekiq/wiki/testing#api Sidekiq's API does not have a testing mode
Sidekiq::Client.push('queue' => described_class::QUEUE, 'class' => ::BackgroundMigrationWorker, 'args' => [described_class::DROPPED_JOB_CLASS, 1])
expect { migration.up }.to change { Sidekiq::Queue.new(described_class::QUEUE).size }.from(1).to(0)
end
end
end
context "there aren't any affected jobs on the queue" do
it 'skips other enqueued jobs' do
Sidekiq::Testing.disable! do
Sidekiq::Client.push('queue' => described_class::QUEUE, 'class' => ::BackgroundMigrationWorker, 'args' => ['SomeOtherClass', 1])
expect { migration.up }.not_to change { Sidekiq::Queue.new(described_class::QUEUE).size }
end
end
end
context "there are multiple types of jobs on the queue" do
it 'skips other enqueued jobs' do
Sidekiq::Testing.disable! do
queue = Sidekiq::Queue.new(described_class::QUEUE)
# this job will be deleted
Sidekiq::Client.push('queue' => described_class::QUEUE, 'class' => ::BackgroundMigrationWorker, 'args' => [described_class::DROPPED_JOB_CLASS, 1])
# this jobs will be skipped
skipped_jobs_args = [['SomeOtherClass', 1], [described_class::DROPPED_JOB_CLASS, 'wrong id type'], [described_class::DROPPED_JOB_CLASS, 1, 'some wired argument']]
skipped_jobs_args.each do |args|
Sidekiq::Client.push('queue' => described_class::QUEUE, 'class' => ::BackgroundMigrationWorker, 'args' => args)
end
migration.up
expect(queue.size).to be 3
expect(queue.map(&:args)).to match_array skipped_jobs_args
end
end
end
context "other queues" do
it 'does not modify them' do
Sidekiq::Testing.disable! do
Sidekiq::Client.push('queue' => 'other', 'class' => ::BackgroundMigrationWorker, 'args' => ['SomeOtherClass', 1])
Sidekiq::Client.push('queue' => 'other', 'class' => ::BackgroundMigrationWorker, 'args' => [described_class::DROPPED_JOB_CLASS, 1])
expect { migration.up }.not_to change { Sidekiq::Queue.new('other').size }
end
end
end
end
end
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