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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Database::Reindexing do
include ExclusiveLeaseHelpers
describe '.perform' do
subject { described_class.perform(candidate_indexes) }
let(:coordinator) { instance_double(Gitlab::Database::Reindexing::Coordinator) }
let(:index_selection) { instance_double(Gitlab::Database::Reindexing::IndexSelection) }
let(:candidate_indexes) { double }
let(:indexes) { [double, double] }
it 'delegates to Coordinator' do
expect(Gitlab::Database::Reindexing::IndexSelection).to receive(:new).with(candidate_indexes).and_return(index_selection)
expect(index_selection).to receive(:take).with(2).and_return(indexes)
indexes.each do |index|
expect(Gitlab::Database::Reindexing::Coordinator).to receive(:new).with(index).and_return(coordinator)
expect(coordinator).to receive(:perform)
end
subject
end
end
describe '.candidate_indexes' do
subject { described_class.candidate_indexes }
it 'retrieves regular indexes that are no left-overs from previous runs' do
result = double
expect(Gitlab::Database::PostgresIndex).to receive_message_chain('not_match.reindexing_support').with('\_ccnew[0-9]*$').with(no_args).and_return(result)
expect(subject).to eq(result)
end
end
end
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