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|
# frozen_string_literal: true
require 'spec_helper'
require_migration!
RSpec.describe RescheduleMergeRequestDiffUsersBackgroundMigration, :migration do
let(:migration) { described_class.new }
describe '#up' do
before do
allow(described_class::MergeRequestDiff)
.to receive(:minimum)
.with(:id)
.and_return(42)
allow(described_class::MergeRequestDiff)
.to receive(:maximum)
.with(:id)
.and_return(85_123)
end
it 'deletes existing background migration job records' do
args = [150_000, 300_000]
Gitlab::Database::BackgroundMigrationJob
.create!(class_name: described_class::MIGRATION_NAME, arguments: args)
migration.up
found = Gitlab::Database::BackgroundMigrationJob
.where(class_name: described_class::MIGRATION_NAME, arguments: args)
.count
expect(found).to eq(0)
end
it 'schedules the migrations in batches' do
expect(migration)
.to receive(:migrate_in)
.ordered
.with(2.minutes.to_i, described_class::MIGRATION_NAME, [42, 40_042])
expect(migration)
.to receive(:migrate_in)
.ordered
.with(4.minutes.to_i, described_class::MIGRATION_NAME, [40_042, 80_042])
expect(migration)
.to receive(:migrate_in)
.ordered
.with(6.minutes.to_i, described_class::MIGRATION_NAME, [80_042, 120_042])
migration.up
end
it 'creates rows to track the background migration jobs' do
expect(Gitlab::Database::BackgroundMigrationJob)
.to receive(:create!)
.ordered
.with(class_name: described_class::MIGRATION_NAME, arguments: [42, 40_042])
expect(Gitlab::Database::BackgroundMigrationJob)
.to receive(:create!)
.ordered
.with(class_name: described_class::MIGRATION_NAME, arguments: [40_042, 80_042])
expect(Gitlab::Database::BackgroundMigrationJob)
.to receive(:create!)
.ordered
.with(class_name: described_class::MIGRATION_NAME, arguments: [80_042, 120_042])
migration.up
end
end
end
|
