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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Database::Reindexing::IndexSelection do
include DatabaseHelpers
subject { described_class.new(Gitlab::Database::PostgresIndex.all).to_a }
before do
swapout_view_for_table(:postgres_index_bloat_estimates)
swapout_view_for_table(:postgres_indexes)
end
def execute(sql)
ActiveRecord::Base.connection.execute(sql)
end
it 'orders by highest bloat first' do
create_list(:postgres_index, 10).each_with_index do |index, i|
create(:postgres_index_bloat_estimate, index: index, bloat_size_bytes: 1.megabyte * i)
end
expected = Gitlab::Database::PostgresIndexBloatEstimate.order(bloat_size_bytes: :desc).map(&:index)
expect(subject).to eq(expected)
end
context 'with time frozen' do
around do |example|
freeze_time { example.run }
end
it 'does not return indexes with reindex action in the last 7 days' do
not_recently_reindexed = create_list(:postgres_index, 2).each_with_index do |index, i|
create(:postgres_index_bloat_estimate, index: index, bloat_size_bytes: 1.megabyte * i)
create(:reindex_action, index: index, action_end: Time.zone.now - 7.days - 1.minute)
end
create_list(:postgres_index, 2).each_with_index do |index, i|
create(:postgres_index_bloat_estimate, index: index, bloat_size_bytes: 1.megabyte * i)
create(:reindex_action, index: index, action_end: Time.zone.now)
end
expected = Gitlab::Database::PostgresIndexBloatEstimate.where(identifier: not_recently_reindexed.map(&:identifier)).map(&:index).map(&:identifier).sort
expect(subject.map(&:identifier).sort).to eq(expected)
end
end
end
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