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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Database::PostgresqlAdapter::ForceDisconnectableMixin, :delete, :reestablished_active_record_base do
describe 'checking in a connection to the pool' do
let(:model) do
Class.new(ActiveRecord::Base) do
self.abstract_class = true
def self.name
'ForceDisconnectTestModel'
end
end
end
let(:config) { ActiveRecord::Base.configurations.find_db_config(Rails.env).configuration_hash.merge(pool: 1) }
let(:pool) { model.establish_connection(config) }
it 'calls the force disconnect callback on checkin' do
connection = pool.connection
expect(pool.active_connection?).to be_truthy
expect(connection).to receive(:force_disconnect_if_old!).and_call_original
model.clear_active_connections!
end
end
describe 'disconnecting from the database' do
let(:connection) { ActiveRecord::Base.connection_pool.connection }
let(:timer) { connection.force_disconnect_timer }
context 'when the timer is expired' do
before do
allow(timer).to receive(:expired?).and_return(true)
end
it 'disconnects from the database' do
expect(connection).to receive(:disconnect!).and_call_original
expect(timer).to receive(:reset!).and_call_original
connection.force_disconnect_if_old!
end
context 'when the connection has an open transaction' do
it 'does not disconnect from the database' do
connection.begin_transaction
expect(connection).not_to receive(:disconnect!)
expect(timer).not_to receive(:reset!)
connection.force_disconnect_if_old!
connection.rollback_transaction
end
end
end
context 'when the timer is not expired' do
it 'does not disconnect from the database' do
allow(timer).to receive(:expired?).and_return(false)
expect(connection).not_to receive(:disconnect!)
expect(timer).not_to receive(:reset!)
connection.force_disconnect_if_old!
end
end
end
end
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