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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Database::PostgresIndexBloatEstimate do
before do
ActiveRecord::Base.connection.execute(<<~SQL)
ANALYZE schema_migrations
SQL
end
subject { described_class.find(identifier) }
let(:identifier) { 'public.schema_migrations_pkey' }
it { is_expected.to be_a Gitlab::Database::SharedModel }
describe '#bloat_size' do
it 'returns the bloat size in bytes' do
# We cannot reach much more about the bloat size estimate here
expect(subject.bloat_size).to be >= 0
end
end
describe '#bloat_size_bytes' do
it 'is an alias of #bloat_size' do
expect(subject.bloat_size_bytes).to eq(subject.bloat_size)
end
end
describe '#index' do
it 'belongs to a PostgresIndex' do
expect(subject.index.identifier).to eq(identifier)
end
end
end
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