spec/support/background_migrations_matchers.rb


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RSpec::Matchers.define :be_scheduled_migration do |delay, *expected|
  match do |migration|
    BackgroundMigrationWorker.jobs.any? do |job|
      job['args'] == [migration, expected] &&
        job['at'].to_i == (delay.to_i + Time.now.to_i)
    end
  end

  failure_message do |migration|
    "Migration `#{migration}` with args `#{expected.inspect}` " \
      'not scheduled in expected time!'
  end
end