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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Database::BatchedBackgroundMigrationsFinder do
let!(:migration_1) { create(:batched_background_migration, created_at: Time.now - 2) }
let!(:migration_2) { create(:batched_background_migration, created_at: Time.now - 1) }
let!(:migration_3) { create(:batched_background_migration, created_at: Time.now - 3) }
let(:finder) { described_class.new(connection: connection) }
describe '#execute' do
let(:connection) { ApplicationRecord.connection }
subject { finder.execute }
it 'returns migrations order by created_at (DESC)' do
is_expected.to eq([migration_2, migration_1, migration_3])
end
it 'limits the number of returned migrations' do
stub_const('Database::BatchedBackgroundMigrationsFinder::RETURNED_MIGRATIONS', 2)
is_expected.to eq([migration_2, migration_1])
end
end
end
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